Test source: git
Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported type: <vscale x 2 x float>
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass
----------------------------------------
define float @exact_inverse(float %x) {
#0:
%div = fdiv float %x, 8.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 3. InstCombinePass
----------------------------------------
define float @exact_inverse(float %x) {
#0:
%div = fdiv float %x, 8.000000
ret float %div
}
=>
define float @exact_inverse(float %x) {
#0:
%div = fmul float %x, 0.125000
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass
----------------------------------------
define float @exact_inverse2(float %x) {
#0:
%div = fdiv float %x, 0.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 7. InstCombinePass
----------------------------------------
define float @exact_inverse2(float %x) {
#0:
%div = fdiv float %x, 0.000000
ret float %div
}
=>
define float @exact_inverse2(float %x) {
#0:
%div = fmul float %x, 85070591730234615865843651857942052864.000000
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass
----------------------------------------
define float @exact_inverse_but_denorm(float %x) {
#0:
%div = fdiv float %x, 170141183460469231731687303715884105728.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 11. InstCombinePass
----------------------------------------
define float @exact_inverse_but_denorm(float %x) {
#0:
%div = fdiv float %x, 170141183460469231731687303715884105728.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. InstCombinePass
----------------------------------------
define float @not_exact_inverse2(float %x) {
#0:
%div = fdiv float %x, 0x00000001
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 15. InstCombinePass
----------------------------------------
define float @not_exact_inverse2(float %x) {
#0:
%div = fdiv float %x, 0x00000001
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. InstCombinePass
----------------------------------------
define float @not_exact_but_allow_recip(float %x) {
#0:
%div = fdiv arcp float %x, 3.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 19. InstCombinePass
----------------------------------------
define float @not_exact_but_allow_recip(float %x) {
#0:
%div = fdiv arcp float %x, 3.000000
ret float %div
}
=>
define float @not_exact_but_allow_recip(float %x) {
#0:
%div = fmul arcp float %x, 0.333333
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 20. PassManager<Function> : Skipping NOP
-- 21. PassManager<Function> : Skipping NOP
-- 22. InstCombinePass
----------------------------------------
define float @not_exact_but_allow_recip_but_denorm(float %x) {
#0:
%div = fdiv arcp float %x, 170141345719746060945050695293894393856.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 23. InstCombinePass
----------------------------------------
define float @not_exact_but_allow_recip_but_denorm(float %x) {
#0:
%div = fdiv arcp float %x, 170141345719746060945050695293894393856.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. InstCombinePass
----------------------------------------
define <2 x float> @exact_inverse_splat(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 4.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 27. InstCombinePass
----------------------------------------
define <2 x float> @exact_inverse_splat(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 4.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @exact_inverse_splat(<2 x float> %x) {
#0:
%div = fmul <2 x float> %x, { 0.250000, 0.250000 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 28. PassManager<Function> : Skipping NOP
-- 29. PassManager<Function> : Skipping NOP
ERROR: Unsupported type: <vscale x 2 x float>
-- 30. InstCombinePass
ERROR: Unsupported type: <vscale x 2 x float>
-- 31. InstCombinePass
ERROR: Unsupported type: <vscale x 2 x float>
-- 32. PassManager<Function> : Skipping NOP
ERROR: Unsupported type: <vscale x 2 x float>
-- 33. PassManager<Function> : Skipping NOP
-- 34. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_but_allow_recip_splat(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { 3.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 35. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_but_allow_recip_splat(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { 3.000000, 3.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @not_exact_but_allow_recip_splat(<2 x float> %x) {
#0:
%div = fmul arcp <2 x float> %x, { 0.333333, 0.333333 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 36. PassManager<Function> : Skipping NOP
-- 37. PassManager<Function> : Skipping NOP
-- 38. InstCombinePass
----------------------------------------
define <2 x float> @exact_inverse_vec(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 8.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 39. InstCombinePass
----------------------------------------
define <2 x float> @exact_inverse_vec(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 8.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @exact_inverse_vec(<2 x float> %x) {
#0:
%div = fmul <2 x float> %x, { 0.250000, 0.125000 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 40. PassManager<Function> : Skipping NOP
-- 41. PassManager<Function> : Skipping NOP
-- 42. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_splat(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 3.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 43. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_splat(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 3.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 44. PassManager<Function> : Skipping NOP
-- 45. PassManager<Function> : Skipping NOP
-- 46. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 47. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec(<2 x float> %x) {
#0:
%div = fdiv <2 x float> %x, { 4.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 48. PassManager<Function> : Skipping NOP
-- 49. PassManager<Function> : Skipping NOP
-- 50. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec_arcp(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { 4.000000, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 51. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec_arcp(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { 4.000000, 3.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @not_exact_inverse_vec_arcp(<2 x float> %x) {
#0:
%div = fmul arcp <2 x float> %x, { 0.250000, 0.333333 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 52. PassManager<Function> : Skipping NOP
-- 53. PassManager<Function> : Skipping NOP
-- 54. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec_arcp_with_poison_elt(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { poison, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 55. InstCombinePass
----------------------------------------
define <2 x float> @not_exact_inverse_vec_arcp_with_poison_elt(<2 x float> %x) {
#0:
%div = fdiv arcp <2 x float> %x, { poison, 3.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 56. PassManager<Function> : Skipping NOP
-- 57. PassManager<Function> : Skipping NOP
-- 58. InstCombinePass
----------------------------------------
define float @div_with_div_numerator(float %x, float %y, float %z) {
#0:
%div1 = fdiv ninf float %x, %y
%div2 = fdiv arcp reassoc float %div1, %z
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 59. InstCombinePass
----------------------------------------
define float @div_with_div_numerator(float %x, float %y, float %z) {
#0:
%div1 = fdiv ninf float %x, %y
%div2 = fdiv arcp reassoc float %div1, %z
ret float %div2
}
=>
define float @div_with_div_numerator(float %x, float %y, float %z) {
#0:
%#1 = fmul arcp reassoc float %y, %z
%div2 = fdiv arcp reassoc float %x, %#1
ret float %div2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 60. PassManager<Function> : Skipping NOP
-- 61. PassManager<Function> : Skipping NOP
-- 62. InstCombinePass
----------------------------------------
define <2 x float> @div_with_div_denominator(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
#0:
%div1 = fdiv nnan <2 x float> %x, %y
%div2 = fdiv arcp reassoc <2 x float> %z, %div1
ret <2 x float> %div2
}
Transformation seems to be correct! (syntactically equal)
-- 63. InstCombinePass
----------------------------------------
define <2 x float> @div_with_div_denominator(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
#0:
%div1 = fdiv nnan <2 x float> %x, %y
%div2 = fdiv arcp reassoc <2 x float> %z, %div1
ret <2 x float> %div2
}
=>
define <2 x float> @div_with_div_denominator(<2 x float> %x, <2 x float> %y, <2 x float> %z) {
#0:
%#1 = fmul arcp reassoc <2 x float> %y, %z
%div2 = fdiv arcp reassoc <2 x float> %#1, %x
ret <2 x float> %div2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 64. PassManager<Function> : Skipping NOP
-- 65. PassManager<Function> : Skipping NOP
-- 66. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_numerator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float %x, %y
%div2 = fdiv fast float %div1, %z
call void @use_f32(float %div1)
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 67. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_numerator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float %x, %y
%div2 = fdiv fast float %div1, %z
call void @use_f32(float %div1)
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 68. PassManager<Function> : Skipping NOP
-- 69. PassManager<Function> : Skipping NOP
-- 70. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_denominator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float %x, %y
%div2 = fdiv fast float %z, %div1
call void @use_f32(float %div1)
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 71. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_denominator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float %x, %y
%div2 = fdiv fast float %z, %div1
call void @use_f32(float %div1)
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 72. PassManager<Function> : Skipping NOP
-- 73. PassManager<Function> : Skipping NOP
-- 74. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_denominator_with_one_as_numerator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float 1.000000, %y
%div2 = fdiv arcp reassoc float %z, %div1
call void @use_f32(float %div1)
ret float %div2
}
Transformation seems to be correct! (syntactically equal)
-- 75. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @div_with_div_denominator_with_one_as_numerator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float 1.000000, %y
%div2 = fdiv arcp reassoc float %z, %div1
call void @use_f32(float %div1)
ret float %div2
}
=>
declare void @use_f32(float)
define float @div_with_div_denominator_with_one_as_numerator_extra_use(float %x, float %y, float %z) {
#0:
%div1 = fdiv float 1.000000, %y
%div2 = fmul arcp reassoc float %y, %z
call void @use_f32(float %div1)
ret float %div2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 76. PassManager<Function> : Skipping NOP
-- 77. PassManager<Function> : Skipping NOP
-- 78. InstCombinePass
----------------------------------------
define float @fneg_fneg(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 79. InstCombinePass
----------------------------------------
define float @fneg_fneg(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
=>
define float @fneg_fneg(float %x, float %y) {
#0:
%div = fdiv float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 80. PassManager<Function> : Skipping NOP
-- 81. PassManager<Function> : Skipping NOP
-- 82. InstCombinePass
----------------------------------------
define float @unary_fneg_unary_fneg(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fneg float %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 83. InstCombinePass
----------------------------------------
define float @unary_fneg_unary_fneg(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fneg float %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
=>
define float @unary_fneg_unary_fneg(float %x, float %y) {
#0:
%div = fdiv float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 84. PassManager<Function> : Skipping NOP
-- 85. PassManager<Function> : Skipping NOP
-- 86. InstCombinePass
----------------------------------------
define float @unary_fneg_fneg(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 87. InstCombinePass
----------------------------------------
define float @unary_fneg_fneg(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
=>
define float @unary_fneg_fneg(float %x, float %y) {
#0:
%div = fdiv float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 88. PassManager<Function> : Skipping NOP
-- 89. PassManager<Function> : Skipping NOP
-- 90. InstCombinePass
----------------------------------------
define float @fneg_unary_fneg(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fneg float %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 91. InstCombinePass
----------------------------------------
define float @fneg_unary_fneg(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fneg float %y
%div = fdiv float %x.fneg, %y.fneg
ret float %div
}
=>
define float @fneg_unary_fneg(float %x, float %y) {
#0:
%div = fdiv float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 92. PassManager<Function> : Skipping NOP
-- 93. PassManager<Function> : Skipping NOP
-- 94. InstCombinePass
----------------------------------------
define float @fneg_fneg_fast(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv fast float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 95. InstCombinePass
----------------------------------------
define float @fneg_fneg_fast(float %x, float %y) {
#0:
%x.fneg = fsub float -0.000000, %x
%y.fneg = fsub float -0.000000, %y
%div = fdiv fast float %x.fneg, %y.fneg
ret float %div
}
=>
define float @fneg_fneg_fast(float %x, float %y) {
#0:
%div = fdiv fast float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 96. PassManager<Function> : Skipping NOP
-- 97. PassManager<Function> : Skipping NOP
-- 98. InstCombinePass
----------------------------------------
define float @unary_fneg_unary_fneg_fast(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fneg float %y
%div = fdiv fast float %x.fneg, %y.fneg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 99. InstCombinePass
----------------------------------------
define float @unary_fneg_unary_fneg_fast(float %x, float %y) {
#0:
%x.fneg = fneg float %x
%y.fneg = fneg float %y
%div = fdiv fast float %x.fneg, %y.fneg
ret float %div
}
=>
define float @unary_fneg_unary_fneg_fast(float %x, float %y) {
#0:
%div = fdiv fast float %x, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 100. PassManager<Function> : Skipping NOP
-- 101. PassManager<Function> : Skipping NOP
-- 102. InstCombinePass
----------------------------------------
define <2 x float> @fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%yneg = fsub <2 x float> { -0.000000, -0.000000 }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 103. InstCombinePass
----------------------------------------
define <2 x float> @fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%yneg = fsub <2 x float> { -0.000000, -0.000000 }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
=>
define <2 x float> @fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%div = fdiv <2 x float> %x, %y
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 104. PassManager<Function> : Skipping NOP
-- 105. PassManager<Function> : Skipping NOP
-- 106. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fneg <2 x float> %x
%yneg = fneg <2 x float> %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 107. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fneg <2 x float> %x
%yneg = fneg <2 x float> %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
=>
define <2 x float> @unary_fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%div = fdiv <2 x float> %x, %y
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 108. PassManager<Function> : Skipping NOP
-- 109. PassManager<Function> : Skipping NOP
-- 110. InstCombinePass
----------------------------------------
define <2 x float> @fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%yneg = fneg <2 x float> %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 111. InstCombinePass
----------------------------------------
define <2 x float> @fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%yneg = fneg <2 x float> %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
=>
define <2 x float> @fneg_unary_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%div = fdiv <2 x float> %x, %y
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 112. PassManager<Function> : Skipping NOP
-- 113. PassManager<Function> : Skipping NOP
-- 114. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fneg <2 x float> %x
%yneg = fsub <2 x float> { -0.000000, -0.000000 }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 115. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fneg <2 x float> %x
%yneg = fsub <2 x float> { -0.000000, -0.000000 }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
=>
define <2 x float> @unary_fneg_fneg_vec(<2 x float> %x, <2 x float> %y) {
#0:
%div = fdiv <2 x float> %x, %y
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 116. PassManager<Function> : Skipping NOP
-- 117. PassManager<Function> : Skipping NOP
-- 118. InstCombinePass
----------------------------------------
define <2 x float> @fneg_fneg_vec_poison_elts(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { poison, -0.000000 }, %x
%yneg = fsub <2 x float> { -0.000000, poison }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 119. InstCombinePass
----------------------------------------
define <2 x float> @fneg_fneg_vec_poison_elts(<2 x float> %x, <2 x float> %y) {
#0:
%xneg = fsub <2 x float> { poison, -0.000000 }, %x
%yneg = fsub <2 x float> { -0.000000, poison }, %y
%div = fdiv <2 x float> %xneg, %yneg
ret <2 x float> %div
}
=>
define <2 x float> @fneg_fneg_vec_poison_elts(<2 x float> %x, <2 x float> %y) {
#0:
%div = fdiv <2 x float> %x, %y
ret <2 x float> %div
}
Transformation seems to be correct!
-- 120. PassManager<Function> : Skipping NOP
-- 121. PassManager<Function> : Skipping NOP
-- 122. InstCombinePass
----------------------------------------
define float @fneg_dividend_constant_divisor(float %x) {
#0:
%neg = fsub float -0.000000, %x
%div = fdiv nsz float %neg, 3.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 123. InstCombinePass
----------------------------------------
define float @fneg_dividend_constant_divisor(float %x) {
#0:
%neg = fsub float -0.000000, %x
%div = fdiv nsz float %neg, 3.000000
ret float %div
}
=>
define float @fneg_dividend_constant_divisor(float %x) {
#0:
%div = fdiv nsz float %x, -3.000000
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 124. PassManager<Function> : Skipping NOP
-- 125. PassManager<Function> : Skipping NOP
-- 126. InstCombinePass
----------------------------------------
define float @unary_fneg_dividend_constant_divisor(float %x) {
#0:
%neg = fneg float %x
%div = fdiv nsz float %neg, 3.000000
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 127. InstCombinePass
----------------------------------------
define float @unary_fneg_dividend_constant_divisor(float %x) {
#0:
%neg = fneg float %x
%div = fdiv nsz float %neg, 3.000000
ret float %div
}
=>
define float @unary_fneg_dividend_constant_divisor(float %x) {
#0:
%div = fdiv nsz float %x, -3.000000
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 128. PassManager<Function> : Skipping NOP
-- 129. PassManager<Function> : Skipping NOP
-- 130. InstCombinePass
----------------------------------------
define float @fneg_divisor_constant_dividend(float %x) {
#0:
%neg = fsub float -0.000000, %x
%div = fdiv nnan float -3.000000, %neg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 131. InstCombinePass
----------------------------------------
define float @fneg_divisor_constant_dividend(float %x) {
#0:
%neg = fsub float -0.000000, %x
%div = fdiv nnan float -3.000000, %neg
ret float %div
}
=>
define float @fneg_divisor_constant_dividend(float %x) {
#0:
%div = fdiv nnan float 3.000000, %x
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 132. PassManager<Function> : Skipping NOP
-- 133. PassManager<Function> : Skipping NOP
-- 134. InstCombinePass
----------------------------------------
define float @unary_fneg_divisor_constant_dividend(float %x) {
#0:
%neg = fneg float %x
%div = fdiv nnan float -3.000000, %neg
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 135. InstCombinePass
----------------------------------------
define float @unary_fneg_divisor_constant_dividend(float %x) {
#0:
%neg = fneg float %x
%div = fdiv nnan float -3.000000, %neg
ret float %div
}
=>
define float @unary_fneg_divisor_constant_dividend(float %x) {
#0:
%div = fdiv nnan float 3.000000, %x
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 136. PassManager<Function> : Skipping NOP
-- 137. PassManager<Function> : Skipping NOP
-- 138. InstCombinePass
----------------------------------------
define <2 x float> @fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 139. InstCombinePass
----------------------------------------
define <2 x float> @fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%div = fdiv ninf <2 x float> %x, { -3.000000, 8.000000 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 140. PassManager<Function> : Skipping NOP
-- 141. PassManager<Function> : Skipping NOP
-- 142. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 143. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @unary_fneg_dividend_constant_divisor_vec(<2 x float> %x) {
#0:
%div = fdiv ninf <2 x float> %x, { -3.000000, 8.000000 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 144. PassManager<Function> : Skipping NOP
-- 145. PassManager<Function> : Skipping NOP
-- 146. InstCombinePass
----------------------------------------
define <2 x float> @fneg_dividend_constant_divisor_vec_poison_elt(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { poison, -0.000000 }, %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 147. InstCombinePass
----------------------------------------
define <2 x float> @fneg_dividend_constant_divisor_vec_poison_elt(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { poison, -0.000000 }, %x
%div = fdiv ninf <2 x float> %neg, { 3.000000, -8.000000 }
ret <2 x float> %div
}
=>
define <2 x float> @fneg_dividend_constant_divisor_vec_poison_elt(<2 x float> %x) {
#0:
%div = fdiv ninf <2 x float> %x, { -3.000000, 8.000000 }
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 148. PassManager<Function> : Skipping NOP
-- 149. PassManager<Function> : Skipping NOP
-- 150. InstCombinePass
----------------------------------------
define <2 x float> @fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv afn <2 x float> { -3.000000, 5.000000 }, %neg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 151. InstCombinePass
----------------------------------------
define <2 x float> @fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv afn <2 x float> { -3.000000, 5.000000 }, %neg
ret <2 x float> %div
}
=>
define <2 x float> @fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%div = fdiv afn <2 x float> { 3.000000, -5.000000 }, %x
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 152. PassManager<Function> : Skipping NOP
-- 153. PassManager<Function> : Skipping NOP
-- 154. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv afn <2 x float> { -3.000000, 5.000000 }, %neg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 155. InstCombinePass
----------------------------------------
define <2 x float> @unary_fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv afn <2 x float> { -3.000000, 5.000000 }, %neg
ret <2 x float> %div
}
=>
define <2 x float> @unary_fneg_divisor_constant_dividend_vec(<2 x float> %x) {
#0:
%div = fdiv afn <2 x float> { 3.000000, -5.000000 }, %x
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 156. PassManager<Function> : Skipping NOP
-- 157. PassManager<Function> : Skipping NOP
-- 158. InstCombinePass
----------------------------------------
define float @div_factor(float %x, float %y) {
#0:
%m = fmul float %x, %y
%d = fdiv nnan reassoc float %x, %m
ret float %d
}
Transformation seems to be correct! (syntactically equal)
-- 159. InstCombinePass
----------------------------------------
define float @div_factor(float %x, float %y) {
#0:
%m = fmul float %x, %y
%d = fdiv nnan reassoc float %x, %m
ret float %d
}
=>
define float @div_factor(float %x, float %y) {
#0:
%d = fdiv nnan reassoc float 1.000000, %y
ret float %d
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 160. PassManager<Function> : Skipping NOP
-- 161. PassManager<Function> : Skipping NOP
-- 162. InstCombinePass
----------------------------------------
define float @div_factor_too_strict(float %x, float %y) {
#0:
%m = fmul float %x, %y
%d = fdiv reassoc float %x, %m
ret float %d
}
Transformation seems to be correct! (syntactically equal)
-- 163. InstCombinePass
----------------------------------------
define float @div_factor_too_strict(float %x, float %y) {
#0:
%m = fmul float %x, %y
%d = fdiv reassoc float %x, %m
ret float %d
}
Transformation seems to be correct! (syntactically equal)
-- 164. PassManager<Function> : Skipping NOP
-- 165. PassManager<Function> : Skipping NOP
-- 166. InstCombinePass
----------------------------------------
define <2 x float> @div_factor_commute(<2 x float> %x, <2 x float> %y) {
#0:
%m = fmul <2 x float> %y, %x
%d = fdiv nnan ninf nsz reassoc <2 x float> %x, %m
ret <2 x float> %d
}
Transformation seems to be correct! (syntactically equal)
-- 167. InstCombinePass
----------------------------------------
define <2 x float> @div_factor_commute(<2 x float> %x, <2 x float> %y) {
#0:
%m = fmul <2 x float> %y, %x
%d = fdiv nnan ninf nsz reassoc <2 x float> %x, %m
ret <2 x float> %d
}
=>
define <2 x float> @div_factor_commute(<2 x float> %x, <2 x float> %y) {
#0:
%d = fdiv nnan ninf nsz reassoc <2 x float> { 1.000000, 1.000000 }, %y
ret <2 x float> %d
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 168. PassManager<Function> : Skipping NOP
-- 169. PassManager<Function> : Skipping NOP
-- 170. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend1(<2 x float> %x) {
#0:
%t1 = fmul <2 x float> %x, { 3.000000, 7.000000 }
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, 7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 171. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend1(<2 x float> %x) {
#0:
%t1 = fmul <2 x float> %x, { 3.000000, 7.000000 }
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, 7.000000 }, %t1
ret <2 x float> %t2
}
=>
define <2 x float> @div_constant_dividend1(<2 x float> %x) {
#0:
%t2 = fdiv arcp reassoc <2 x float> { 5.000000, 1.000000 }, %x
ret <2 x float> %t2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 172. PassManager<Function> : Skipping NOP
-- 173. PassManager<Function> : Skipping NOP
-- 174. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend1_arcp_only(<2 x float> %x) {
#0:
%t1 = fmul <2 x float> %x, { 3.000000, 7.000000 }
%t2 = fdiv arcp <2 x float> { 15.000000, 7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 175. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend1_arcp_only(<2 x float> %x) {
#0:
%t1 = fmul <2 x float> %x, { 3.000000, 7.000000 }
%t2 = fdiv arcp <2 x float> { 15.000000, 7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 176. PassManager<Function> : Skipping NOP
-- 177. PassManager<Function> : Skipping NOP
-- 178. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend2(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> %x, { 3.000000, -7.000000 }
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 179. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend2(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> %x, { 3.000000, -7.000000 }
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
=>
define <2 x float> @div_constant_dividend2(<2 x float> %x) {
#0:
%t2 = fdiv arcp reassoc <2 x float> { 45.000000, 49.000000 }, %x
ret <2 x float> %t2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 180. PassManager<Function> : Skipping NOP
-- 181. PassManager<Function> : Skipping NOP
-- 182. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend2_reassoc_only(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> %x, { 3.000000, -7.000000 }
%t2 = fdiv reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 183. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend2_reassoc_only(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> %x, { 3.000000, -7.000000 }
%t2 = fdiv reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 184. PassManager<Function> : Skipping NOP
-- 185. PassManager<Function> : Skipping NOP
-- 186. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend3(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> { 3.000000, 7.000000 }, %x
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
Transformation seems to be correct! (syntactically equal)
-- 187. InstCombinePass
----------------------------------------
define <2 x float> @div_constant_dividend3(<2 x float> %x) {
#0:
%t1 = fdiv <2 x float> { 3.000000, 7.000000 }, %x
%t2 = fdiv arcp reassoc <2 x float> { 15.000000, -7.000000 }, %t1
ret <2 x float> %t2
}
=>
define <2 x float> @div_constant_dividend3(<2 x float> %x) {
#0:
%#1 = fmul arcp reassoc <2 x float> %x, { 15.000000, -7.000000 }
%t2 = fmul arcp reassoc <2 x float> %#1, { 0.333333, 0.142857 }
ret <2 x float> %t2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 188. PassManager<Function> : Skipping NOP
-- 189. PassManager<Function> : Skipping NOP
-- 190. InstCombinePass
----------------------------------------
define double @fdiv_fneg1(double %x, double %y) {
#0:
%neg = fsub double -0.000000, %x
%div = fdiv double %neg, %y
ret double %div
}
Transformation seems to be correct! (syntactically equal)
-- 191. InstCombinePass
----------------------------------------
define double @fdiv_fneg1(double %x, double %y) {
#0:
%neg = fsub double -0.000000, %x
%div = fdiv double %neg, %y
ret double %div
}
=>
define double @fdiv_fneg1(double %x, double %y) {
#0:
%neg = fneg double %x
%div = fdiv double %neg, %y
ret double %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 192. PassManager<Function> : Skipping NOP
-- 193. PassManager<Function> : Skipping NOP
-- 194. InstCombinePass
----------------------------------------
define double @fdiv_unary_fneg1(double %x, double %y) {
#0:
%neg = fneg double %x
%div = fdiv double %neg, %y
ret double %div
}
Transformation seems to be correct! (syntactically equal)
-- 195. InstCombinePass
----------------------------------------
define double @fdiv_unary_fneg1(double %x, double %y) {
#0:
%neg = fneg double %x
%div = fdiv double %neg, %y
ret double %div
}
Transformation seems to be correct! (syntactically equal)
-- 196. PassManager<Function> : Skipping NOP
-- 197. PassManager<Function> : Skipping NOP
-- 198. InstCombinePass
----------------------------------------
define <2 x float> @fdiv_fneg2(<2 x float> %x, <2 x float> %y) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv <2 x float> %y, %neg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 199. InstCombinePass
----------------------------------------
define <2 x float> @fdiv_fneg2(<2 x float> %x, <2 x float> %y) {
#0:
%neg = fsub <2 x float> { -0.000000, -0.000000 }, %x
%div = fdiv <2 x float> %y, %neg
ret <2 x float> %div
}
=>
define <2 x float> @fdiv_fneg2(<2 x float> %x, <2 x float> %y) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv <2 x float> %y, %neg
ret <2 x float> %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 200. PassManager<Function> : Skipping NOP
-- 201. PassManager<Function> : Skipping NOP
-- 202. InstCombinePass
----------------------------------------
define <2 x float> @fdiv_unary_fneg2(<2 x float> %x, <2 x float> %y) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv <2 x float> %y, %neg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 203. InstCombinePass
----------------------------------------
define <2 x float> @fdiv_unary_fneg2(<2 x float> %x, <2 x float> %y) {
#0:
%neg = fneg <2 x float> %x
%div = fdiv <2 x float> %y, %neg
ret <2 x float> %div
}
Transformation seems to be correct! (syntactically equal)
-- 204. PassManager<Function> : Skipping NOP
-- 205. PassManager<Function> : Skipping NOP
-- 206. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @fdiv_fneg1_extra_use(float %x, float %y) {
#0:
%neg = fsub float -0.000000, %x
call void @use_f32(float %neg)
%div = fdiv float %neg, %y
ret float %div
}
Transformation seems to be correct! (syntactically equal)
-- 207. InstCombinePass
----------------------------------------
declare void @use_f32(float)
define float @fdiv_fneg1_extra_use(float %x, float %y) {
#0:
%neg = fsub float -0.000000, %x
call void @use_f32(float %neg)
%div = fdiv float %neg, %y
ret float %div
}
=>
declare void @use_f32(float)
define float @fdiv_fneg1_extra_use(float %x, float %y) {
#0:
%neg = fneg float %x
call void @use_f32(float %neg)
%div = fdiv float %neg, %y
ret float %div
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 208. PassManager<Function> : Skipping NOP
-- 209. PassManager<Function> : Skipping NOP
-- 210. InstCombinePass
----------------------------------------
define float @fabs_same_op(float %x) {
#0:
%a = fabs float %x
%r = fdiv float %a, %a
ret float %r
}
Transformation seems to be correct! (syntactically equal)
-- 211. InstCombinePass
----------------------------------------
define float @fabs_same_op(float %x) {
#0:
%a = fabs float %x
%r = fdiv float %a, %a
ret float %r
}
=>
define float @fabs_same_op(float %x) {
#0:
%r = fdiv float %x, %x
ret float %r
}
Transformation doesn't verify! (unsound)
ERROR: Value mismatch
Example:
float %x = undef
Source:
float %a = #x00000000 (+0.0)
float %r = #x7fc00000 (QNaN)
Target:
float %r = #xff800000 (-oo)
Source value: #x7fc00000 (QNaN)
Target value: #xff800000 (-oo)
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' '-S' '-passes=instcombine' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_HhJBDBuw_HGGf.bc"
------------------- SMT STATS -------------------
Num queries: 147
Num invalid: 0
Num skips: 0
Num trivial: 110 (42.8%)
Num timeout: 38 (25.9%)
Num errors: 0 (0.0%)
Num SAT: 90 (61.2%)
Num UNSAT: 19 (12.9%)
Alive2: Transform doesn't verify; aborting!
RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh -S -passes=instcombine < /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fdiv.ll | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fdiv.ll + /home/nlopes/alive2/build/opt-alive.sh -S -passes=instcombine + /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fdiv.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fdiv.ll
NOTE: This test would pass if undef didn't exist!