Test Failure: Transforms/InstCombine/fneg.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported metadata: 42
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass

----------------------------------------
define float @fneg_fneg(float %a) {
#0:
  %f = fneg float %a
  %r = fneg float %f
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 3. InstCombinePass

----------------------------------------
define float @fneg_fneg(float %a) {
#0:
  %f = fneg float %a
  %r = fneg float %f
  ret float %r
}
=>
define float @fneg_fneg(float %a) {
#0:
  ret float %a
}
Transformation seems to be correct!

-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass

----------------------------------------
define float @fmul_fsub(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub float -0.000000, %m
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 7. InstCombinePass

----------------------------------------
define float @fmul_fsub(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub float -0.000000, %m
  ret float %r
}
=>
define float @fmul_fsub(float %x) {
#0:
  %r = fmul float %x, -42.000000
  ret float %r
}
Transformation seems to be correct!

-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass

----------------------------------------
define float @fmul_fneg(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg float %m
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 11. InstCombinePass

----------------------------------------
define float @fmul_fneg(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg float %m
  ret float %r
}
=>
define float @fmul_fneg(float %x) {
#0:
  %r = fmul float %x, -42.000000
  ret float %r
}
Transformation seems to be correct!

-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. InstCombinePass

----------------------------------------
define float @fmul_fsub_fmf(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub nsz reassoc float -0.000000, %m
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 15. InstCombinePass

----------------------------------------
define float @fmul_fsub_fmf(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub nsz reassoc float -0.000000, %m
  ret float %r
}
=>
define float @fmul_fsub_fmf(float %x) {
#0:
  %r = fmul nsz reassoc float %x, -42.000000
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. InstCombinePass

----------------------------------------
define float @fmul_fneg_fmf(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg nsz reassoc float %m
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 19. InstCombinePass

----------------------------------------
define float @fmul_fneg_fmf(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg nsz reassoc float %m
  ret float %r
}
=>
define float @fmul_fneg_fmf(float %x) {
#0:
  %r = fmul nsz reassoc float %x, -42.000000
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - reassoc

-- 20. PassManager<Function> : Skipping NOP
-- 21. PassManager<Function> : Skipping NOP
-- 22. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fmul_fsub_extra_use(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub float -0.000000, %m
  call void @use(float %m)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 23. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fmul_fsub_extra_use(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fsub float -0.000000, %m
  call void @use(float %m)
  ret float %r
}
=>
declare void @use(float)

define float @fmul_fsub_extra_use(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg float %m
  call void @use(float %m)
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fmul_fneg_extra_use(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg float %m
  call void @use(float %m)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 27. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fmul_fneg_extra_use(float %x) {
#0:
  %m = fmul float %x, 42.000000
  %r = fneg float %m
  call void @use(float %m)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 28. PassManager<Function> : Skipping NOP
-- 29. PassManager<Function> : Skipping NOP
-- 30. InstCombinePass

----------------------------------------
define <4 x double> @fmul_fsub_vec(<4 x double> %x) {
#0:
  %m = fmul <4 x double> %x, { 42.000000, 0x7ff8000000000000, inf, poison }
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %m
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 31. InstCombinePass

----------------------------------------
define <4 x double> @fmul_fsub_vec(<4 x double> %x) {
#0:
  %m = fmul <4 x double> %x, { 42.000000, 0x7ff8000000000000, inf, poison }
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %m
  ret <4 x double> %r
}
=>
define <4 x double> @fmul_fsub_vec(<4 x double> %x) {
#0:
  %r = fmul <4 x double> %x, { -42.000000, 0xfff8000000000000, -inf, poison }
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 32. PassManager<Function> : Skipping NOP
-- 33. PassManager<Function> : Skipping NOP
-- 34. InstCombinePass

----------------------------------------
define <4 x double> @fmul_fneg_vec(<4 x double> %x) {
#0:
  %m = fmul <4 x double> %x, { 42.000000, 0x7ff8000000000000, inf, poison }
  %r = fneg <4 x double> %m
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 35. InstCombinePass

----------------------------------------
define <4 x double> @fmul_fneg_vec(<4 x double> %x) {
#0:
  %m = fmul <4 x double> %x, { 42.000000, 0x7ff8000000000000, inf, poison }
  %r = fneg <4 x double> %m
  ret <4 x double> %r
}
=>
define <4 x double> @fmul_fneg_vec(<4 x double> %x) {
#0:
  %r = fmul <4 x double> %x, { -42.000000, 0xfff8000000000000, -inf, poison }
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 36. PassManager<Function> : Skipping NOP
-- 37. PassManager<Function> : Skipping NOP
-- 38. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fsub(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fsub float -0.000000, %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 39. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fsub(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fsub float -0.000000, %d
  ret float %r
}
=>
define float @fdiv_op1_constant_fsub(float %x) {
#0:
  %r = fdiv float %x, 42.000000
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 40. PassManager<Function> : Skipping NOP
-- 41. PassManager<Function> : Skipping NOP
-- 42. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fneg(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fneg float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 43. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fneg(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fneg float %d
  ret float %r
}
=>
define float @fdiv_op1_constant_fneg(float %x) {
#0:
  %r = fdiv float %x, 42.000000
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 44. PassManager<Function> : Skipping NOP
-- 45. PassManager<Function> : Skipping NOP
-- 46. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fsub_fmf(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fsub nnan float -0.000000, %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 47. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fsub_fmf(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fsub nnan float -0.000000, %d
  ret float %r
}
=>
define float @fdiv_op1_constant_fsub_fmf(float %x) {
#0:
  %r = fdiv nnan float %x, 42.000000
  ret float %r
}
Transformation seems to be correct!

-- 48. PassManager<Function> : Skipping NOP
-- 49. PassManager<Function> : Skipping NOP
-- 50. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fneg_fmf(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fneg nnan float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 51. InstCombinePass

----------------------------------------
define float @fdiv_op1_constant_fneg_fmf(float %x) {
#0:
  %d = fdiv float %x, -42.000000
  %r = fneg nnan float %d
  ret float %r
}
=>
define float @fdiv_op1_constant_fneg_fmf(float %x) {
#0:
  %r = fdiv nnan float %x, 42.000000
  ret float %r
}
Transformation seems to be correct!

-- 52. PassManager<Function> : Skipping NOP
-- 53. PassManager<Function> : Skipping NOP
-- 54. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op1_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float %x, 42.000000
  %r = fsub float -0.000000, %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 55. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op1_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float %x, 42.000000
  %r = fsub float -0.000000, %d
  call void @use(float %d)
  ret float %r
}
=>
declare void @use(float)

define float @fdiv_op1_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float %x, 42.000000
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 56. PassManager<Function> : Skipping NOP
-- 57. PassManager<Function> : Skipping NOP
-- 58. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op1_constant_fneg_extra_use(float %x) {
#0:
  %d = fdiv float %x, 42.000000
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 59. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op1_constant_fneg_extra_use(float %x) {
#0:
  %d = fdiv float %x, 42.000000
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 60. PassManager<Function> : Skipping NOP
-- 61. PassManager<Function> : Skipping NOP
-- 62. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op1_constant_fsub_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> %x, { -42.000000, 0xfff800000abcd000, -inf, poison }
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %d
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 63. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op1_constant_fsub_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> %x, { -42.000000, 0xfff800000abcd000, -inf, poison }
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %d
  ret <4 x double> %r
}
=>
define <4 x double> @fdiv_op1_constant_fsub_vec(<4 x double> %x) {
#0:
  %r = fdiv <4 x double> %x, { 42.000000, 0x7ff800000abcd000, inf, poison }
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 64. PassManager<Function> : Skipping NOP
-- 65. PassManager<Function> : Skipping NOP
-- 66. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op1_constant_fneg_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> %x, { -42.000000, 0xfff800000abcd000, -inf, poison }
  %r = fneg <4 x double> %d
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 67. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op1_constant_fneg_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> %x, { -42.000000, 0xfff800000abcd000, -inf, poison }
  %r = fneg <4 x double> %d
  ret <4 x double> %r
}
=>
define <4 x double> @fdiv_op1_constant_fneg_vec(<4 x double> %x) {
#0:
  %r = fdiv <4 x double> %x, { 42.000000, 0x7ff800000abcd000, inf, poison }
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 68. PassManager<Function> : Skipping NOP
-- 69. PassManager<Function> : Skipping NOP
-- 70. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fsub(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fsub float -0.000000, %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 71. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fsub(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fsub float -0.000000, %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fsub(float %x) {
#0:
  %r = fdiv float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 72. PassManager<Function> : Skipping NOP
-- 73. PassManager<Function> : Skipping NOP
-- 74. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 75. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg(float %x) {
#0:
  %r = fdiv float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 76. PassManager<Function> : Skipping NOP
-- 77. PassManager<Function> : Skipping NOP
-- 78. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_fast_fast(float %x) {
#0:
  %d = fdiv fast float 42.000000, %x
  %r = fneg fast float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 79. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_fast_fast(float %x) {
#0:
  %d = fdiv fast float 42.000000, %x
  %r = fneg fast float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_fast_fast(float %x) {
#0:
  %r = fdiv fast float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - afn
 - arcp
 - contract
 - reassoc

-- 80. PassManager<Function> : Skipping NOP
-- 81. PassManager<Function> : Skipping NOP
-- 82. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_fast(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg fast float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 83. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_fast(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg fast float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_fast(float %x) {
#0:
  %r = fdiv nnan arcp contract reassoc afn float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 84. PassManager<Function> : Skipping NOP
-- 85. PassManager<Function> : Skipping NOP
-- 86. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nsz_nsz(float %x) {
#0:
  %d = fdiv nsz float 42.000000, %x
  %r = fneg nsz float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 87. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nsz_nsz(float %x) {
#0:
  %d = fdiv nsz float 42.000000, %x
  %r = fneg nsz float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_nsz_nsz(float %x) {
#0:
  %r = fdiv nsz float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 88. PassManager<Function> : Skipping NOP
-- 89. PassManager<Function> : Skipping NOP
-- 90. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nsz(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg nsz float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 91. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nsz(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg nsz float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_nsz(float %x) {
#0:
  %r = fdiv float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 92. PassManager<Function> : Skipping NOP
-- 93. PassManager<Function> : Skipping NOP
-- 94. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_ninf_ninf(float %x) {
#0:
  %d = fdiv ninf float 42.000000, %x
  %r = fneg ninf float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 95. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_ninf_ninf(float %x) {
#0:
  %d = fdiv ninf float 42.000000, %x
  %r = fneg ninf float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_ninf_ninf(float %x) {
#0:
  %r = fdiv ninf float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 96. PassManager<Function> : Skipping NOP
-- 97. PassManager<Function> : Skipping NOP
-- 98. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_ninf(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg ninf float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 99. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_ninf(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg ninf float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_ninf(float %x) {
#0:
  %r = fdiv float -42.000000, %x
  ret float %r
}
Transformation seems to be correct!

-- 100. PassManager<Function> : Skipping NOP
-- 101. PassManager<Function> : Skipping NOP
-- 102. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nnan_nnan(float %x) {
#0:
  %d = fdiv nnan float 42.000000, %x
  %r = fneg nnan float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 103. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nnan_nnan(float %x) {
#0:
  %d = fdiv nnan float 42.000000, %x
  %r = fneg nnan float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_nnan_nnan(float %x) {
#0:
  %r = fdiv nnan float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 104. PassManager<Function> : Skipping NOP
-- 105. PassManager<Function> : Skipping NOP
-- 106. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nnan(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg nnan float %d
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 107. InstCombinePass

----------------------------------------
define float @fdiv_op0_constant_fneg_nnan(float %x) {
#0:
  %d = fdiv float 42.000000, %x
  %r = fneg nnan float %d
  ret float %r
}
=>
define float @fdiv_op0_constant_fneg_nnan(float %x) {
#0:
  %r = fdiv nnan float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 108. PassManager<Function> : Skipping NOP
-- 109. PassManager<Function> : Skipping NOP
-- 110. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op0_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float -42.000000, %x
  %r = fsub float -0.000000, %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 111. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op0_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float -42.000000, %x
  %r = fsub float -0.000000, %d
  call void @use(float %d)
  ret float %r
}
=>
declare void @use(float)

define float @fdiv_op0_constant_fsub_extra_use(float %x) {
#0:
  %d = fdiv float -42.000000, %x
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 112. PassManager<Function> : Skipping NOP
-- 113. PassManager<Function> : Skipping NOP
-- 114. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op0_constant_fneg_extra_use(float %x) {
#0:
  %d = fdiv float -42.000000, %x
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 115. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fdiv_op0_constant_fneg_extra_use(float %x) {
#0:
  %d = fdiv float -42.000000, %x
  %r = fneg float %d
  call void @use(float %d)
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 116. PassManager<Function> : Skipping NOP
-- 117. PassManager<Function> : Skipping NOP
-- 118. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op0_constant_fsub_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> { -42.000000, 0x7ff8000000000000, -inf, poison }, %x
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %d
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 119. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op0_constant_fsub_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> { -42.000000, 0x7ff8000000000000, -inf, poison }, %x
  %r = fsub <4 x double> { -0.000000, -0.000000, -0.000000, -0.000000 }, %d
  ret <4 x double> %r
}
=>
define <4 x double> @fdiv_op0_constant_fsub_vec(<4 x double> %x) {
#0:
  %r = fdiv <4 x double> { 42.000000, 0xfff8000000000000, inf, poison }, %x
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 120. PassManager<Function> : Skipping NOP
-- 121. PassManager<Function> : Skipping NOP
-- 122. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op0_constant_fneg_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> { -42.000000, 0x7ff8000000000000, -inf, poison }, %x
  %r = fneg <4 x double> %d
  ret <4 x double> %r
}
Transformation seems to be correct! (syntactically equal)

-- 123. InstCombinePass

----------------------------------------
define <4 x double> @fdiv_op0_constant_fneg_vec(<4 x double> %x) {
#0:
  %d = fdiv <4 x double> { -42.000000, 0x7ff8000000000000, -inf, poison }, %x
  %r = fneg <4 x double> %d
  ret <4 x double> %r
}
=>
define <4 x double> @fdiv_op0_constant_fneg_vec(<4 x double> %x) {
#0:
  %r = fdiv <4 x double> { 42.000000, 0xfff8000000000000, inf, poison }, %x
  ret <4 x double> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 124. PassManager<Function> : Skipping NOP
-- 125. PassManager<Function> : Skipping NOP
-- 126. InstCombinePass

----------------------------------------
define <2 x double> @fneg_fneg_sel(<2 x double> %x, <2 x double> %y, i1 %cond) {
#0:
  %n1 = fneg <2 x double> %x
  %n2 = fneg <2 x double> %y
  %sel = select i1 %cond, <2 x double> %n1, <2 x double> %n2
  ret <2 x double> %sel
}
Transformation seems to be correct! (syntactically equal)

-- 127. InstCombinePass

----------------------------------------
define <2 x double> @fneg_fneg_sel(<2 x double> %x, <2 x double> %y, i1 %cond) {
#0:
  %n1 = fneg <2 x double> %x
  %n2 = fneg <2 x double> %y
  %sel = select i1 %cond, <2 x double> %n1, <2 x double> %n2
  ret <2 x double> %sel
}
=>
define <2 x double> @fneg_fneg_sel(<2 x double> %x, <2 x double> %y, i1 %cond) {
#0:
  %sel.v = select i1 %cond, <2 x double> %x, <2 x double> %y
  %sel = fneg <2 x double> %sel.v
  ret <2 x double> %sel
}
Transformation seems to be correct!

-- 128. PassManager<Function> : Skipping NOP
-- 129. PassManager<Function> : Skipping NOP
-- 130. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %n2 = fneg float %y
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
Transformation seems to be correct! (syntactically equal)

-- 131. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %n2 = fneg float %y
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
=>
declare void @use(float)

define float @fneg_fneg_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %sel.v = select i1 %cond, float %x, float %y
  %sel = fneg float %sel.v
  ret float %sel
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 132. PassManager<Function> : Skipping NOP
-- 133. PassManager<Function> : Skipping NOP
-- 134. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use2(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  %n2 = fneg float %y
  call void @use(float %n2)
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
Transformation seems to be correct! (syntactically equal)

-- 135. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use2(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  %n2 = fneg float %y
  call void @use(float %n2)
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
=>
declare void @use(float)

define float @fneg_fneg_sel_extra_use2(float %x, float %y, i1 %cond) {
#0:
  %n2 = fneg float %y
  call void @use(float %n2)
  %sel.v = select i1 %cond, float %x, float %y
  %sel = fneg float %sel.v
  ret float %sel
}
Transformation seems to be correct!

-- 136. PassManager<Function> : Skipping NOP
-- 137. PassManager<Function> : Skipping NOP
-- 138. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fsub_fsub_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fsub float -0.000000, %x
  call void @use(float %n1)
  %n2 = fsub float -0.000000, %y
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
Transformation seems to be correct! (syntactically equal)

-- 139. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fsub_fsub_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fsub float -0.000000, %x
  call void @use(float %n1)
  %n2 = fsub float -0.000000, %y
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
=>
declare void @use(float)

define float @fsub_fsub_sel_extra_use1(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %sel.v = select i1 %cond, float %x, float %y
  %sel = fneg float %sel.v
  ret float %sel
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 140. PassManager<Function> : Skipping NOP
-- 141. PassManager<Function> : Skipping NOP
-- 142. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use3(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %n2 = fneg float %y
  call void @use(float %n2)
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
Transformation seems to be correct! (syntactically equal)

-- 143. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_fneg_sel_extra_use3(float %x, float %y, i1 %cond) {
#0:
  %n1 = fneg float %x
  call void @use(float %n1)
  %n2 = fneg float %y
  call void @use(float %n2)
  %sel = select i1 %cond, float %n1, float %n2
  ret float %sel
}
Transformation seems to be correct! (syntactically equal)

-- 144. PassManager<Function> : Skipping NOP
-- 145. PassManager<Function> : Skipping NOP
-- 146. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf1(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan double %x
  %n2 = fneg ninf double %y
  %sel = select i1 %cond, double %n1, double %n2
  ret double %sel
}
Transformation seems to be correct! (syntactically equal)

-- 147. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf1(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan double %x
  %n2 = fneg ninf double %y
  %sel = select i1 %cond, double %n1, double %n2
  ret double %sel
}
=>
define double @fneg_fneg_sel_fmf1(double %x, double %y, i1 %cond) {
#0:
  %sel.v = select i1 %cond, double %x, double %y
  %sel = fneg double %sel.v
  ret double %sel
}
Transformation seems to be correct!

-- 148. PassManager<Function> : Skipping NOP
-- 149. PassManager<Function> : Skipping NOP
-- 150. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf2(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan ninf double %x
  %n2 = fneg ninf double %y
  %sel = select i1 %cond, double %n1, double %n2
  ret double %sel
}
Transformation seems to be correct! (syntactically equal)

-- 151. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf2(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan ninf double %x
  %n2 = fneg ninf double %y
  %sel = select i1 %cond, double %n1, double %n2
  ret double %sel
}
=>
define double @fneg_fneg_sel_fmf2(double %x, double %y, i1 %cond) {
#0:
  %sel.v = select ninf i1 %cond, double %x, double %y
  %sel = fneg ninf double %sel.v
  ret double %sel
}
Transformation seems to be correct!

-- 152. PassManager<Function> : Skipping NOP
-- 153. PassManager<Function> : Skipping NOP
-- 154. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf3(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan ninf double %x
  %n2 = fneg ninf double %y
  %sel = select ninf i1 %cond, double %n1, double %n2
  ret double %sel
}
Transformation seems to be correct! (syntactically equal)

-- 155. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf3(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan ninf double %x
  %n2 = fneg ninf double %y
  %sel = select ninf i1 %cond, double %n1, double %n2
  ret double %sel
}
=>
define double @fneg_fneg_sel_fmf3(double %x, double %y, i1 %cond) {
#0:
  %sel.v = select ninf i1 %cond, double %x, double %y
  %sel = fneg ninf double %sel.v
  ret double %sel
}
Transformation seems to be correct!

-- 156. PassManager<Function> : Skipping NOP
-- 157. PassManager<Function> : Skipping NOP
-- 158. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf4(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan double %x
  %n2 = fneg ninf double %y
  %sel = select nnan ninf nsz i1 %cond, double %n1, double %n2
  ret double %sel
}
Transformation seems to be correct! (syntactically equal)

-- 159. InstCombinePass

----------------------------------------
define double @fneg_fneg_sel_fmf4(double %x, double %y, i1 %cond) {
#0:
  %n1 = fneg nnan double %x
  %n2 = fneg ninf double %y
  %sel = select nnan ninf nsz i1 %cond, double %n1, double %n2
  ret double %sel
}
=>
define double @fneg_fneg_sel_fmf4(double %x, double %y, i1 %cond) {
#0:
  %sel.v = select nnan ninf nsz i1 %cond, double %x, double %y
  %sel = fneg nnan ninf nsz double %sel.v
  ret double %sel
}
Transformation seems to be correct!

-- 160. PassManager<Function> : Skipping NOP
-- 161. PassManager<Function> : Skipping NOP
-- 162. InstCombinePass

----------------------------------------
define float @fneg_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fneg float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 163. InstCombinePass

----------------------------------------
define float @fneg_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fneg float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 164. PassManager<Function> : Skipping NOP
-- 165. PassManager<Function> : Skipping NOP
-- 166. InstCombinePass

----------------------------------------
define float @fake_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fsub float -0.000000, %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 167. InstCombinePass

----------------------------------------
define float @fake_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fsub float -0.000000, %a
  ret float %r
}
=>
define float @fake_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fneg float %a
  ret float %r
}
Transformation seems to be correct!

-- 168. PassManager<Function> : Skipping NOP
-- 169. PassManager<Function> : Skipping NOP
-- 170. InstCombinePass

----------------------------------------
define float @fneg_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fneg nsz float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 171. InstCombinePass

----------------------------------------
define float @fneg_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fneg nsz float %a
  ret float %r
}
=>
define float @fneg_nsz_fadd_constant(float %x) {
#0:
  %r = fsub nsz float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 172. PassManager<Function> : Skipping NOP
-- 173. PassManager<Function> : Skipping NOP
-- 174. InstCombinePass

----------------------------------------
define float @fake_fneg_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fsub fast float -0.000000, %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 175. InstCombinePass

----------------------------------------
define float @fake_fneg_nsz_fadd_constant(float %x) {
#0:
  %a = fadd float %x, 42.000000
  %r = fsub fast float -0.000000, %a
  ret float %r
}
=>
define float @fake_fneg_nsz_fadd_constant(float %x) {
#0:
  %r = fsub fast float -42.000000, %x
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 176. PassManager<Function> : Skipping NOP
-- 177. PassManager<Function> : Skipping NOP
-- 178. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_nsz_fadd_constant_extra_use(float %x) {
#0:
  %a = fadd float %x, 42.000000
  call void @use(float %a)
  %r = fneg nsz float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 179. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fneg_nsz_fadd_constant_extra_use(float %x) {
#0:
  %a = fadd float %x, 42.000000
  call void @use(float %a)
  %r = fneg nsz float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 180. PassManager<Function> : Skipping NOP
-- 181. PassManager<Function> : Skipping NOP
-- 182. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fake_fneg_nsz_fadd_constant_extra_use(float %x) {
#0:
  %a = fadd float %x, 42.000000
  call void @use(float %a)
  %r = fsub fast float -0.000000, %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 183. InstCombinePass

----------------------------------------
declare void @use(float)

define float @fake_fneg_nsz_fadd_constant_extra_use(float %x) {
#0:
  %a = fadd float %x, 42.000000
  call void @use(float %a)
  %r = fsub fast float -0.000000, %a
  ret float %r
}
=>
declare void @use(float)

define float @fake_fneg_nsz_fadd_constant_extra_use(float %x) {
#0:
  %a = fadd float %x, 42.000000
  call void @use(float %a)
  %r = fneg fast float %a
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 184. PassManager<Function> : Skipping NOP
-- 185. PassManager<Function> : Skipping NOP
-- 186. InstCombinePass

----------------------------------------
define <2 x float> @fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %a = fadd <2 x float> %x, { 42.000000, 43.000000 }
  %r = fneg nnan nsz reassoc <2 x float> %a
  ret <2 x float> %r
}
Transformation seems to be correct! (syntactically equal)

-- 187. InstCombinePass

----------------------------------------
define <2 x float> @fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %a = fadd <2 x float> %x, { 42.000000, 43.000000 }
  %r = fneg nnan nsz reassoc <2 x float> %a
  ret <2 x float> %r
}
=>
define <2 x float> @fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %r = fsub nnan nsz reassoc <2 x float> { -42.000000, -43.000000 }, %x
  ret <2 x float> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - reassoc

-- 188. PassManager<Function> : Skipping NOP
-- 189. PassManager<Function> : Skipping NOP
-- 190. InstCombinePass

----------------------------------------
define <2 x float> @fake_fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %a = fadd <2 x float> %x, { 42.000000, poison }
  %r = fsub nsz <2 x float> { poison, -0.000000 }, %a
  ret <2 x float> %r
}
Transformation seems to be correct! (syntactically equal)

-- 191. InstCombinePass

----------------------------------------
define <2 x float> @fake_fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %a = fadd <2 x float> %x, { 42.000000, poison }
  %r = fsub nsz <2 x float> { poison, -0.000000 }, %a
  ret <2 x float> %r
}
=>
define <2 x float> @fake_fneg_nsz_fadd_constant_vec(<2 x float> %x) {
#0:
  %r = fsub nsz <2 x float> { -42.000000, poison }, %x
  ret <2 x float> %r
}
Transformation seems to be correct!

-- 192. PassManager<Function> : Skipping NOP
-- 193. PassManager<Function> : Skipping NOP
-- 194. InstCombinePass

----------------------------------------
@g = global 2 bytes, align 1

define float @fneg_nsz_fadd_constant_expr(float %x) {
#0:
  %__constexpr_1 = ptrtoint ptr @g to i32
  %__constexpr_0 = bitcast i32 %__constexpr_1 to float
  %a = fadd float %x, %__constexpr_0
  %r = fneg nsz float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 195. InstCombinePass

----------------------------------------
@g = global 2 bytes, align 1

define float @fneg_nsz_fadd_constant_expr(float %x) {
#0:
  %__constexpr_1 = ptrtoint ptr @g to i32
  %__constexpr_0 = bitcast i32 %__constexpr_1 to float
  %a = fadd float %x, %__constexpr_0
  %r = fneg nsz float %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 196. PassManager<Function> : Skipping NOP
-- 197. PassManager<Function> : Skipping NOP
-- 198. InstCombinePass

----------------------------------------
@g = global 2 bytes, align 1

define float @fake_fneg_nsz_fadd_constant_expr(float %x) {
#0:
  %__constexpr_1 = ptrtoint ptr @g to i32
  %__constexpr_0 = bitcast i32 %__constexpr_1 to float
  %a = fadd float %x, %__constexpr_0
  %r = fsub nsz float -0.000000, %a
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 199. InstCombinePass

----------------------------------------
@g = global 2 bytes, align 1

define float @fake_fneg_nsz_fadd_constant_expr(float %x) {
#0:
  %__constexpr_1 = ptrtoint ptr @g to i32
  %__constexpr_0 = bitcast i32 %__constexpr_1 to float
  %a = fadd float %x, %__constexpr_0
  %r = fsub nsz float -0.000000, %a
  ret float %r
}
=>
@g = global 2 bytes, align 1

define float @fake_fneg_nsz_fadd_constant_expr(float %x) {
#0:
  %__constexpr_1 = ptrtoint ptr @g to i32
  %__constexpr_0 = bitcast i32 %__constexpr_1 to float
  %a = fadd float %x, %__constexpr_0
  %r = fneg nsz float %a
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 200. PassManager<Function> : Skipping NOP
-- 201. PassManager<Function> : Skipping NOP
-- 202. InstCombinePass

----------------------------------------
define float @select_fneg_true(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %nx, float %y
  %r = fneg float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 203. InstCombinePass

----------------------------------------
define float @select_fneg_true(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %nx, float %y
  %r = fneg float %s
  ret float %r
}
=>
define float @select_fneg_true(float %x, float %y, i1 %b) {
#0:
  %y.neg = fneg float %y
  %r = select i1 %b, float %x, float %y.neg
  ret float %r
}
Transformation seems to be correct!

-- 204. PassManager<Function> : Skipping NOP
-- 205. PassManager<Function> : Skipping NOP
-- 206. InstCombinePass

----------------------------------------
define <2 x float> @select_fneg_false(<2 x float> %x, <2 x float> %y, <2 x i1> %b) {
#0:
  %ny = fneg nnan <2 x float> %y
  %s = select ninf <2 x i1> %b, <2 x float> %x, <2 x float> %ny
  %r = fneg nnan nsz <2 x float> %s
  ret <2 x float> %r
}
Transformation seems to be correct! (syntactically equal)

-- 207. InstCombinePass

----------------------------------------
define <2 x float> @select_fneg_false(<2 x float> %x, <2 x float> %y, <2 x i1> %b) {
#0:
  %ny = fneg nnan <2 x float> %y
  %s = select ninf <2 x i1> %b, <2 x float> %x, <2 x float> %ny
  %r = fneg nnan nsz <2 x float> %s
  ret <2 x float> %r
}
=>
define <2 x float> @select_fneg_false(<2 x float> %x, <2 x float> %y, <2 x i1> %b) {
#0:
  %x.neg = fneg nnan nsz <2 x float> %x
  %r = select nnan ninf <2 x i1> %b, <2 x float> %x.neg, <2 x float> %y
  ret <2 x float> %r
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 208. PassManager<Function> : Skipping NOP
-- 209. PassManager<Function> : Skipping NOP
-- 210. InstCombinePass

----------------------------------------
define float @select_fneg_false_no_nsz(float %x, float %y, i1 %b) {
#0:
  %ny = fneg float %y
  %s = select i1 %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 211. InstCombinePass

----------------------------------------
define float @select_fneg_false_no_nsz(float %x, float %y, i1 %b) {
#0:
  %ny = fneg float %y
  %s = select i1 %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
=>
define float @select_fneg_false_no_nsz(float %x, float %y, i1 %b) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %r = select nnan ninf i1 %b, float %x.neg, float %y
  ret float %r
}
Transformation seems to be correct!

-- 212. PassManager<Function> : Skipping NOP
-- 213. PassManager<Function> : Skipping NOP
-- 214. InstCombinePass

----------------------------------------
define float @select_fneg_false_nsz_ok(float %x, float %y, i1 noundef %b) {
#0:
  %ny = fneg float %y
  %s = select i1 noundef %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 215. InstCombinePass

----------------------------------------
define float @select_fneg_false_nsz_ok(float %x, float %y, i1 noundef %b) {
#0:
  %ny = fneg float %y
  %s = select i1 noundef %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
=>
define float @select_fneg_false_nsz_ok(float %x, float %y, i1 noundef %b) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %r = select nnan ninf nsz i1 noundef %b, float %x.neg, float %y
  ret float %r
}
Transformation seems to be correct!

-- 216. PassManager<Function> : Skipping NOP
-- 217. PassManager<Function> : Skipping NOP
-- 218. InstCombinePass

----------------------------------------
define float @select_fneg_false_nsz(float %x, float %y, i1 %b) {
#0:
  %ny = fneg float %y
  %s = select nsz i1 %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 219. InstCombinePass

----------------------------------------
define float @select_fneg_false_nsz(float %x, float %y, i1 %b) {
#0:
  %ny = fneg float %y
  %s = select nsz i1 %b, float %x, float %ny
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
=>
define float @select_fneg_false_nsz(float %x, float %y, i1 %b) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %r = select nnan ninf nsz i1 %b, float %x.neg, float %y
  ret float %r
}
Transformation seems to be correct!

-- 220. PassManager<Function> : Skipping NOP
-- 221. PassManager<Function> : Skipping NOP
-- 222. InstCombinePass

----------------------------------------
define float @select_common_op_fneg_true(float %x, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %x, float %nx
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 223. InstCombinePass

----------------------------------------
define float @select_common_op_fneg_true(float %x, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %x, float %nx
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
=>
define float @select_common_op_fneg_true(float %x, i1 %b) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %r = select nnan ninf nsz i1 %b, float %x.neg, float %x
  ret float %r
}
Transformation seems to be correct!

-- 224. PassManager<Function> : Skipping NOP
-- 225. PassManager<Function> : Skipping NOP
-- 226. InstCombinePass

----------------------------------------
define float @select_common_op_fneg_false(float %x, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %x, float %nx
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 227. InstCombinePass

----------------------------------------
define float @select_common_op_fneg_false(float %x, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %x, float %nx
  %r = fneg nnan ninf nsz float %s
  ret float %r
}
=>
define float @select_common_op_fneg_false(float %x, i1 %b) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %r = select nnan ninf nsz i1 %b, float %x.neg, float %x
  ret float %r
}
Transformation seems to be correct!

-- 228. PassManager<Function> : Skipping NOP
-- 229. PassManager<Function> : Skipping NOP
-- 230. InstCombinePass

----------------------------------------
define float @fabs(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp ogt float %a, %fneg
  %sel = select i1 %cmp, float %fneg, float %a
  %fneg1 = fneg nnan ninf nsz float %sel
  ret float %fneg1
}
Transformation seems to be correct! (syntactically equal)

-- 231. InstCombinePass

----------------------------------------
define float @fabs(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp ogt float %a, %fneg
  %sel = select i1 %cmp, float %fneg, float %a
  %fneg1 = fneg nnan ninf nsz float %sel
  ret float %fneg1
}
=>
define float @fabs(float %a) {
#0:
  %fneg1 = fabs nnan ninf nsz float %a
  ret float %fneg1
}
Transformation seems to be correct!

-- 232. PassManager<Function> : Skipping NOP
-- 233. PassManager<Function> : Skipping NOP
-- 234. InstCombinePass

----------------------------------------
define float @fnabs(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select i1 %cmp, float %fneg, float %a
  %fneg1 = fneg fast float %sel
  ret float %fneg1
}
Transformation seems to be correct! (syntactically equal)

-- 235. InstCombinePass

----------------------------------------
define float @fnabs(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select i1 %cmp, float %fneg, float %a
  %fneg1 = fneg fast float %sel
  ret float %fneg1
}
=>
define float @fnabs(float %a) {
#0:
  %#1 = fabs fast float %a
  %fneg1 = fneg fast float %#1
  ret float %fneg1
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - afn
 - arcp
 - contract
 - reassoc

-- 236. PassManager<Function> : Skipping NOP
-- 237. PassManager<Function> : Skipping NOP
-- 238. InstCombinePass

----------------------------------------
define float @fnabs_1(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp ogt float %a, %fneg
  %sel = select i1 %cmp, float %a, float %fneg
  %fneg1 = fneg fast float %sel
  ret float %fneg1
}
Transformation seems to be correct! (syntactically equal)

-- 239. InstCombinePass

----------------------------------------
define float @fnabs_1(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp ogt float %a, %fneg
  %sel = select i1 %cmp, float %a, float %fneg
  %fneg1 = fneg fast float %sel
  ret float %fneg1
}
=>
define float @fnabs_1(float %a) {
#0:
  %#1 = fabs fast float %a
  %fneg1 = fneg fast float %#1
  ret float %fneg1
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - afn
 - arcp
 - contract
 - reassoc

-- 240. PassManager<Function> : Skipping NOP
-- 241. PassManager<Function> : Skipping NOP
-- 242. InstCombinePass

----------------------------------------
define float @fnabs_2_nsz(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select nsz i1 %cmp, float %fneg, float %a
  %fneg1 = fneg float %sel
  ret float %fneg1
}
Transformation seems to be correct! (syntactically equal)

-- 243. InstCombinePass

----------------------------------------
define float @fnabs_2_nsz(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select nsz i1 %cmp, float %fneg, float %a
  %fneg1 = fneg float %sel
  ret float %fneg1
}
=>
define float @fnabs_2_nsz(float %a) {
#0:
  %cmp = fcmp olt float %a, 0.000000
  %a.neg = fneg float %a
  %fneg1 = select nsz i1 %cmp, float %a, float %a.neg
  ret float %fneg1
}
Transformation seems to be correct!

-- 244. PassManager<Function> : Skipping NOP
-- 245. PassManager<Function> : Skipping NOP
-- 246. InstCombinePass

----------------------------------------
define float @fnabs_2_nsz_nnan(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select nnan nsz i1 %cmp, float %fneg, float %a
  %fneg1 = fneg float %sel
  ret float %fneg1
}
Transformation seems to be correct! (syntactically equal)

-- 247. InstCombinePass

----------------------------------------
define float @fnabs_2_nsz_nnan(float %a) {
#0:
  %fneg = fneg float %a
  %cmp = fcmp olt float %a, %fneg
  %sel = select nnan nsz i1 %cmp, float %fneg, float %a
  %fneg1 = fneg float %sel
  ret float %fneg1
}
=>
define float @fnabs_2_nsz_nnan(float %a) {
#0:
  %sel = fabs nnan nsz float %a
  %fneg1 = fneg float %sel
  ret float %fneg1
}
Transformation seems to be correct!

-- 248. PassManager<Function> : Skipping NOP
-- 249. PassManager<Function> : Skipping NOP
-- 250. InstCombinePass

----------------------------------------
define float @select_fneg_both(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %ny = fneg float %y
  %s = select i1 %b, float %nx, float %ny
  %r = fneg float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 251. InstCombinePass

----------------------------------------
define float @select_fneg_both(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %ny = fneg float %y
  %s = select i1 %b, float %nx, float %ny
  %r = fneg float %s
  ret float %r
}
=>
define float @select_fneg_both(float %x, float %y, i1 %b) {
#0:
  %s.v = select i1 %b, float %x, float %y
  ret float %s.v
}
Transformation seems to be correct!

-- 252. PassManager<Function> : Skipping NOP
-- 253. PassManager<Function> : Skipping NOP
-- 254. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use1(float %x, float %y, i1 %b) {
#0:
  %nx = fneg ninf float %x
  call void @use(float %nx)
  %s = select fast i1 %b, float %nx, float %y
  %r = fneg float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 255. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use1(float %x, float %y, i1 %b) {
#0:
  %nx = fneg ninf float %x
  call void @use(float %nx)
  %s = select fast i1 %b, float %nx, float %y
  %r = fneg float %s
  ret float %r
}
=>
declare void @use(float)

define float @select_fneg_use1(float %x, float %y, i1 %b) {
#0:
  %nx = fneg ninf float %x
  call void @use(float %nx)
  %y.neg = fneg float %y
  %r = select fast i1 %b, float %x, float %y.neg
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - afn
 - arcp
 - contract
 - reassoc

-- 256. PassManager<Function> : Skipping NOP
-- 257. PassManager<Function> : Skipping NOP
-- 258. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use2(float %x, float %y, i1 %b) {
#0:
  call void @use(float %y)
  %nx = fneg nsz float %x
  %s = select ninf i1 %b, float %nx, float %y
  %r = fneg fast float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 259. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use2(float %x, float %y, i1 %b) {
#0:
  call void @use(float %y)
  %nx = fneg nsz float %x
  %s = select ninf i1 %b, float %nx, float %y
  %r = fneg fast float %s
  ret float %r
}
=>
declare void @use(float)

define float @select_fneg_use2(float %x, float %y, i1 %b) {
#0:
  call void @use(float %y)
  %y.neg = fneg fast float %y
  %r = select nnan ninf arcp contract reassoc afn i1 %b, float %x, float %y.neg
  ret float %r
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - afn
 - arcp
 - contract
 - reassoc

-- 260. PassManager<Function> : Skipping NOP
-- 261. PassManager<Function> : Skipping NOP
-- 262. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use3(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %nx, float %y
  call void @use(float %s)
  %r = fneg float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 263. InstCombinePass

----------------------------------------
declare void @use(float)

define float @select_fneg_use3(float %x, float %y, i1 %b) {
#0:
  %nx = fneg float %x
  %s = select i1 %b, float %nx, float %y
  call void @use(float %s)
  %r = fneg float %s
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 264. PassManager<Function> : Skipping NOP
-- 265. PassManager<Function> : Skipping NOP
-- 266. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 267. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp(float %x, i32 %n) {
#0:
  %#1 = fneg float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 268. PassManager<Function> : Skipping NOP
-- 269. PassManager<Function> : Skipping NOP
-- 270. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub float -0.000000, %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 271. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub float -0.000000, %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp(float %x, i32 %n) {
#0:
  %#1 = fneg float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 272. PassManager<Function> : Skipping NOP
-- 273. PassManager<Function> : Skipping NOP
-- 274. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_nsz(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub nsz float -0.000000, %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 275. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_nsz(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub nsz float -0.000000, %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_nsz(float %x, i32 %n) {
#0:
  %#1 = fneg nsz float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 276. PassManager<Function> : Skipping NOP
-- 277. PassManager<Function> : Skipping NOP
-- 278. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_p0_nsz(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub nsz float 0.000000, %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 279. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_p0_nsz(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub nsz float 0.000000, %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_p0_nsz(float %x, i32 %n) {
#0:
  %#1 = fneg nsz float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 280. PassManager<Function> : Skipping NOP
-- 281. PassManager<Function> : Skipping NOP
-- 282. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_p0(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub float 0.000000, %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 283. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fsub_fneg_ldexp_p0(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fsub float 0.000000, %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 284. PassManager<Function> : Skipping NOP
-- 285. PassManager<Function> : Skipping NOP
-- 286. InstCombinePass

----------------------------------------
declare <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>) nofree willreturn memory(none)

define <2 x float> @fneg_ldexp_vector(<2 x float> %x, <2 x i32> %n) {
#0:
  %ldexp = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> %n) nofree willreturn memory(none)
  %neg = fneg <2 x float> %ldexp
  ret <2 x float> %neg
}
Transformation seems to be correct! (syntactically equal)

-- 287. InstCombinePass

----------------------------------------
declare <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>) nofree willreturn memory(none)

define <2 x float> @fneg_ldexp_vector(<2 x float> %x, <2 x i32> %n) {
#0:
  %ldexp = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %x, <2 x i32> %n) nofree willreturn memory(none)
  %neg = fneg <2 x float> %ldexp
  ret <2 x float> %neg
}
=>
declare <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float>, <2 x i32>) nofree willreturn memory(none)

define <2 x float> @fneg_ldexp_vector(<2 x float> %x, <2 x i32> %n) {
#0:
  %#1 = fneg <2 x float> %x
  %neg = call <2 x float> @llvm.ldexp.v2f32.v2i32(<2 x float> %#1, <2 x i32> %n) nofree willreturn memory(none)
  ret <2 x float> %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.v2f32.v2i32

-- 288. PassManager<Function> : Skipping NOP
-- 289. PassManager<Function> : Skipping NOP
-- 290. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_multiuse(float %x, i32 %n, ptr %ptr) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  store float %ldexp, ptr %ptr, align 4
  %neg = fneg float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 291. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_multiuse(float %x, i32 %n, ptr %ptr) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  store float %ldexp, ptr %ptr, align 4
  %neg = fneg float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 292. PassManager<Function> : Skipping NOP
-- 293. PassManager<Function> : Skipping NOP
-- 294. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) NNaN nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 295. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_ldexp(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) NNaN nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_ldexp(float %x, i32 %n) {
#0:
  %#1 = fneg nnan float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) NNaN nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 296. PassManager<Function> : Skipping NOP
-- 297. PassManager<Function> : Skipping NOP
-- 298. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_neg(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg nnan float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 299. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_neg(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg nnan float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf_neg(float %x, i32 %n) {
#0:
  %#1 = fneg nnan float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) NNaN nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 300. PassManager<Function> : Skipping NOP
-- 301. PassManager<Function> : Skipping NOP
-- 302. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg nnan float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 303. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg nnan float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_fmf(float %x, i32 %n) {
#0:
  %#1 = fneg nnan ninf float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) NNaN nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32

-- 304. PassManager<Function> : Skipping NOP
-- 305. PassManager<Function> : Skipping NOP
-- 306. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract0(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 307. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract0(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract0(float %x, i32 %n) {
#0:
  %#1 = fneg contract float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32
 - contract

-- 308. PassManager<Function> : Skipping NOP
-- 309. PassManager<Function> : Skipping NOP
-- 310. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract1(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg contract float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 311. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract1(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg contract float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract1(float %x, i32 %n) {
#0:
  %#1 = fneg contract float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32
 - contract

-- 312. PassManager<Function> : Skipping NOP
-- 313. PassManager<Function> : Skipping NOP
-- 314. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg contract float %ldexp
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 315. InstCombinePass

----------------------------------------
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract(float %x, i32 %n) {
#0:
  %ldexp = call float @llvm.ldexp.f32.i32(float %x, i32 %n) nofree willreturn memory(none)
  %neg = fneg contract float %ldexp
  ret float %neg
}
=>
declare float @llvm.ldexp.f32.i32(float, i32) nofree willreturn memory(none)

define float @fneg_ldexp_contract(float %x, i32 %n) {
#0:
  %#1 = fneg contract float %x
  %neg = call float @llvm.ldexp.f32.i32(float %#1, i32 %n) nofree willreturn memory(none)
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Couldn't prove the correctness of the transformation
Alive2 approximated the semantics of the programs and therefore we
cannot conclude whether the bug found is valid or not.

Approximations done:
 - Unknown libcall: @llvm.ldexp.f32.i32
 - contract

-- 316. PassManager<Function> : Skipping NOP
-- 317. PassManager<Function> : Skipping NOP
ERROR: Unsupported metadata: 42
-- 318. InstCombinePass
ERROR: Unsupported metadata: 42
-- 319. InstCombinePass
ERROR: Unsupported metadata: 42
-- 320. PassManager<Function> : Skipping NOP
ERROR: Unsupported metadata: 42
-- 321. PassManager<Function> : Skipping NOP
-- 322. InstCombinePass

----------------------------------------
define float @test_fneg_select_constants(i1 %cond) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float -0.000000
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 323. InstCombinePass

----------------------------------------
define float @test_fneg_select_constants(i1 %cond) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float -0.000000
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_constants(i1 %cond) {
#0:
  %neg = select i1 %cond, float -0.000000, float 0.000000
  ret float %neg
}
Transformation seems to be correct!

-- 324. PassManager<Function> : Skipping NOP
-- 325. PassManager<Function> : Skipping NOP
-- 326. InstCombinePass

----------------------------------------
define <2 x float> @test_fneg_vec(<2 x i1> %cond) {
#0:
  %sel1 = select <2 x i1> %cond, <2 x float> { 0.000000, -0.000000 }, <2 x float> { -0.000000, 0.000000 }
  %neg = fneg <2 x float> %sel1
  ret <2 x float> %neg
}
Transformation seems to be correct! (syntactically equal)

-- 327. InstCombinePass

----------------------------------------
define <2 x float> @test_fneg_vec(<2 x i1> %cond) {
#0:
  %sel1 = select <2 x i1> %cond, <2 x float> { 0.000000, -0.000000 }, <2 x float> { -0.000000, 0.000000 }
  %neg = fneg <2 x float> %sel1
  ret <2 x float> %neg
}
=>
define <2 x float> @test_fneg_vec(<2 x i1> %cond) {
#0:
  %neg = select <2 x i1> %cond, <2 x float> { -0.000000, 0.000000 }, <2 x float> { 0.000000, -0.000000 }
  ret <2 x float> %neg
}
Transformation seems to be correct!

-- 328. PassManager<Function> : Skipping NOP
-- 329. PassManager<Function> : Skipping NOP
-- 330. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float %x, float -0.000000
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 331. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float %x, float -0.000000
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_var_constant(i1 %cond, float %x) {
#0:
  %x.neg = fneg float %x
  %neg = select i1 %cond, float %x.neg, float 0.000000
  ret float %neg
}
Transformation seems to be correct!

-- 332. PassManager<Function> : Skipping NOP
-- 333. PassManager<Function> : Skipping NOP
-- 334. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant_fmf1(i1 %cond, float %x) {
#0:
  %sel1 = select nnan ninf nsz i1 %cond, float %x, float 1.000000
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 335. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant_fmf1(i1 %cond, float %x) {
#0:
  %sel1 = select nnan ninf nsz i1 %cond, float %x, float 1.000000
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_var_constant_fmf1(i1 %cond, float %x) {
#0:
  %x.neg = fneg float %x
  %neg = select nnan ninf nsz i1 %cond, float %x.neg, float -1.000000
  ret float %neg
}
Transformation seems to be correct!

-- 336. PassManager<Function> : Skipping NOP
-- 337. PassManager<Function> : Skipping NOP
-- 338. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant_fmf2(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float %x, float 1.000000
  %neg = fneg nnan ninf nsz float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 339. InstCombinePass

----------------------------------------
define float @test_fneg_select_var_constant_fmf2(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float %x, float 1.000000
  %neg = fneg nnan ninf nsz float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_var_constant_fmf2(i1 %cond, float %x) {
#0:
  %x.neg = fneg nnan ninf nsz float %x
  %neg = select nnan ninf nsz i1 %cond, float %x.neg, float -1.000000
  ret float %neg
}
Transformation seems to be correct!

-- 340. PassManager<Function> : Skipping NOP
-- 341. PassManager<Function> : Skipping NOP
-- 342. InstCombinePass

----------------------------------------
define float @test_fneg_select_constant_var(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 343. InstCombinePass

----------------------------------------
define float @test_fneg_select_constant_var(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_constant_var(i1 %cond, float %x) {
#0:
  %x.neg = fneg float %x
  %neg = select i1 %cond, float -0.000000, float %x.neg
  ret float %neg
}
Transformation seems to be correct!

-- 344. PassManager<Function> : Skipping NOP
-- 345. PassManager<Function> : Skipping NOP
-- 346. InstCombinePass

----------------------------------------
define float @test_fneg_select_abs(i1 %cond, float %x) {
#0:
  %absx = fabs float %x
  %sel1 = select i1 %cond, float 0.000000, float %absx
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 347. InstCombinePass

----------------------------------------
define float @test_fneg_select_abs(i1 %cond, float %x) {
#0:
  %absx = fabs float %x
  %sel1 = select i1 %cond, float 0.000000, float %absx
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_abs(i1 %cond, float %x) {
#0:
  %absx = fabs float %x
  %absx.neg = fneg float %absx
  %neg = select i1 %cond, float -0.000000, float %absx.neg
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 348. PassManager<Function> : Skipping NOP
-- 349. PassManager<Function> : Skipping NOP
-- 350. InstCombinePass

----------------------------------------
define float @test_fneg_fabs_select(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  %abs = fabs float %sel1
  %neg = fneg float %abs
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 351. InstCombinePass

----------------------------------------
define float @test_fneg_fabs_select(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  %abs = fabs float %sel1
  %neg = fneg float %abs
  ret float %neg
}
=>
define float @test_fneg_fabs_select(i1 %cond, float %x) {
#0:
  %#1 = fabs float %x
  %.neg = fneg float %#1
  %neg = select i1 %cond, float -0.000000, float %.neg
  ret float %neg
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 352. PassManager<Function> : Skipping NOP
-- 353. PassManager<Function> : Skipping NOP
-- 354. InstCombinePass

----------------------------------------
declare void @use(float)

define float @test_fneg_select_constant_var_multiuse(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  call void @use(float %sel1)
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 355. InstCombinePass

----------------------------------------
declare void @use(float)

define float @test_fneg_select_constant_var_multiuse(i1 %cond, float %x) {
#0:
  %sel1 = select i1 %cond, float 0.000000, float %x
  call void @use(float %sel1)
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 356. PassManager<Function> : Skipping NOP
-- 357. PassManager<Function> : Skipping NOP
-- 358. InstCombinePass

----------------------------------------
define float @test_fneg_select_maxnum(float %x) {
#0:
  %cmp1 = fcmp ogt float %x, 1.000000
  %sel1 = select nnan nsz i1 %cmp1, float %x, float 1.000000
  %neg = fneg float %sel1
  ret float %neg
}
Transformation seems to be correct! (syntactically equal)

-- 359. InstCombinePass

----------------------------------------
define float @test_fneg_select_maxnum(float %x) {
#0:
  %cmp1 = fcmp ogt float %x, 1.000000
  %sel1 = select nnan nsz i1 %cmp1, float %x, float 1.000000
  %neg = fneg float %sel1
  ret float %neg
}
=>
define float @test_fneg_select_maxnum(float %x) {
#0:
  %sel1 = fmax nnan nsz float %x, 1.000000
  %neg = fneg float %sel1
  ret float %neg
}
Transformation doesn't verify! (unsound)
ERROR: Target is more poisonous than source

Example:
float %x = #x7f800800 (SNaN)

Source:
i1 %cmp1 = #x0 (0)
float %sel1 = #x3f800000 (1)
float %neg = #xbf800000 (-1)

Target:
float %sel1 = poison
float %neg = poison
Source value: #xbf800000 (-1)
Target value: poison

Pass: InstCombinePass
Command line: '/home/nlopes/llvm/build/bin/opt' '-load=/home/nlopes/alive2/build/tv/tv.so' '-load-pass-plugin=/home/nlopes/alive2/build/tv/tv.so' '-tv-exit-on-error' '-passes=instcombine' '-S' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_aL3ba79n_yZu1.bc"


------------------- SMT STATS -------------------
Num queries: 341
Num invalid: 0
Num skips:   0
Num trivial: 177 (34.2%)
Num timeout: 29 (8.5%)
Num errors:  0 (0.0%)
Num SAT:     197 (57.8%)
Num UNSAT:   115 (33.7%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fneg.ll -passes=instcombine -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fneg.ll
+ /home/nlopes/alive2/build/opt-alive.sh -passes=instcombine -S
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fneg.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fneg.ll

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