Test source: git
Comments: LLVM PR59279
Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported instruction: store volatile double %fpext, ptr undef, align 8
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass
----------------------------------------
define float @replace_fabs_call_f32(float %x) {
%0:
%fabsf = fabs float %x, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 3. InstCombinePass
----------------------------------------
define float @replace_fabs_call_f32(float %x) {
%0:
%fabsf = fabs float %x, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass
----------------------------------------
define double @replace_fabs_call_f64(double %x) {
%0:
%fabs = fabs double %x, exceptions=ignore
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 7. InstCombinePass
----------------------------------------
define double @replace_fabs_call_f64(double %x) {
%0:
%fabs = fabs double %x, exceptions=ignore
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass
----------------------------------------
define fp128 @replace_fabs_call_f128(fp128 %x) {
%0:
%fabsl = call fp128 @fabsl(fp128 %x)
ret fp128 %fabsl
}
Transformation seems to be correct! (syntactically equal)
-- 11. InstCombinePass
----------------------------------------
define fp128 @replace_fabs_call_f128(fp128 %x) {
%0:
%fabsl = call fp128 @fabsl(fp128 %x)
ret fp128 %fabsl
}
=>
define fp128 @replace_fabs_call_f128(fp128 %x) {
%0:
%fabsl = fabs fp128 %x, exceptions=ignore
ret fp128 %fabsl
}
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: @fabsl
-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. InstCombinePass
----------------------------------------
define float @fmf_replace_fabs_call_f32(float %x) {
%0:
%fabsf = fabs nnan float %x, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 15. InstCombinePass
----------------------------------------
define float @fmf_replace_fabs_call_f32(float %x) {
%0:
%fabsf = fabs nnan float %x, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. InstCombinePass
----------------------------------------
define float @square_fabs_intrinsic_f32(float %x) {
%0:
%mul = fmul float %x, %x, exceptions=ignore
%fabsf = fabs float %mul, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 19. InstCombinePass
----------------------------------------
define float @square_fabs_intrinsic_f32(float %x) {
%0:
%mul = fmul float %x, %x, exceptions=ignore
%fabsf = fabs float %mul, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 20. PassManager<Function> : Skipping NOP
-- 21. PassManager<Function> : Skipping NOP
-- 22. InstCombinePass
----------------------------------------
define double @square_fabs_intrinsic_f64(double %x) {
%0:
%mul = fmul double %x, %x, exceptions=ignore
%fabs = fabs double %mul, exceptions=ignore
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 23. InstCombinePass
----------------------------------------
define double @square_fabs_intrinsic_f64(double %x) {
%0:
%mul = fmul double %x, %x, exceptions=ignore
%fabs = fabs double %mul, exceptions=ignore
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. InstCombinePass
----------------------------------------
define fp128 @square_fabs_intrinsic_f128(fp128 %x) {
%0:
%mul = fmul fp128 %x, %x, exceptions=ignore
%fabsl = fabs fp128 %mul, exceptions=ignore
ret fp128 %fabsl
}
Transformation seems to be correct! (syntactically equal)
-- 27. InstCombinePass
----------------------------------------
define fp128 @square_fabs_intrinsic_f128(fp128 %x) {
%0:
%mul = fmul fp128 %x, %x, exceptions=ignore
%fabsl = fabs fp128 %mul, exceptions=ignore
ret fp128 %fabsl
}
Transformation seems to be correct! (syntactically equal)
-- 28. PassManager<Function> : Skipping NOP
-- 29. PassManager<Function> : Skipping NOP
-- 30. InstCombinePass
----------------------------------------
define float @square_nnan_fabs_intrinsic_f32(float %x) {
%0:
%mul = fmul nnan float %x, %x, exceptions=ignore
%fabsf = fabs float %mul, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 31. InstCombinePass
----------------------------------------
define float @square_nnan_fabs_intrinsic_f32(float %x) {
%0:
%mul = fmul nnan float %x, %x, exceptions=ignore
%fabsf = fabs float %mul, exceptions=ignore
ret float %fabsf
}
=>
define float @square_nnan_fabs_intrinsic_f32(float %x) {
%0:
%mul = fmul nnan float %x, %x, exceptions=ignore
ret float %mul
}
Transformation seems to be correct!
-- 32. PassManager<Function> : Skipping NOP
-- 33. PassManager<Function> : Skipping NOP
-- 34. InstCombinePass
----------------------------------------
define float @square_fabs_shrink_call1(float %x) {
%0:
%ext = fpext float %x to double, exceptions=ignore
%sq = fmul double %ext, %ext, exceptions=ignore
%fabs = fabs double %sq, exceptions=ignore
%trunc = fptrunc double %fabs to float, exceptions=ignore
ret float %trunc
}
Transformation seems to be correct! (syntactically equal)
-- 35. InstCombinePass
----------------------------------------
define float @square_fabs_shrink_call1(float %x) {
%0:
%ext = fpext float %x to double, exceptions=ignore
%sq = fmul double %ext, %ext, exceptions=ignore
%fabs = fabs double %sq, exceptions=ignore
%trunc = fptrunc double %fabs to float, exceptions=ignore
ret float %trunc
}
=>
define float @square_fabs_shrink_call1(float %x) {
%0:
%1 = fmul float %x, %x, exceptions=ignore
%trunc = fabs float %1, exceptions=ignore
ret float %trunc
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 36. PassManager<Function> : Skipping NOP
-- 37. PassManager<Function> : Skipping NOP
-- 38. InstCombinePass
----------------------------------------
define float @square_fabs_shrink_call2(float %x) {
%0:
%sq = fmul float %x, %x, exceptions=ignore
%ext = fpext float %sq to double, exceptions=ignore
%fabs = fabs double %ext, exceptions=ignore
%trunc = fptrunc double %fabs to float, exceptions=ignore
ret float %trunc
}
Transformation seems to be correct! (syntactically equal)
-- 39. InstCombinePass
----------------------------------------
define float @square_fabs_shrink_call2(float %x) {
%0:
%sq = fmul float %x, %x, exceptions=ignore
%ext = fpext float %sq to double, exceptions=ignore
%fabs = fabs double %ext, exceptions=ignore
%trunc = fptrunc double %fabs to float, exceptions=ignore
ret float %trunc
}
=>
define float @square_fabs_shrink_call2(float %x) {
%0:
%sq = fmul float %x, %x, exceptions=ignore
%1 = fabs float %sq, exceptions=ignore
ret float %1
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 40. PassManager<Function> : Skipping NOP
-- 41. PassManager<Function> : Skipping NOP
-- 42. InstCombinePass
----------------------------------------
define float @fabs_select_constant_negative_positive(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -1.000000, float 2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 43. InstCombinePass
----------------------------------------
define float @fabs_select_constant_negative_positive(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -1.000000, float 2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
=>
define float @fabs_select_constant_negative_positive(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%fabs = select i1 %cmp, float 1.000000, float 2.000000
ret float %fabs
}
Transformation seems to be correct!
-- 44. PassManager<Function> : Skipping NOP
-- 45. PassManager<Function> : Skipping NOP
-- 46. InstCombinePass
----------------------------------------
define float @fabs_select_constant_positive_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float 1.000000, float -2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 47. InstCombinePass
----------------------------------------
define float @fabs_select_constant_positive_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float 1.000000, float -2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
=>
define float @fabs_select_constant_positive_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%fabs = select i1 %cmp, float 1.000000, float 2.000000
ret float %fabs
}
Transformation seems to be correct!
-- 48. PassManager<Function> : Skipping NOP
-- 49. PassManager<Function> : Skipping NOP
-- 50. InstCombinePass
----------------------------------------
define float @fabs_select_constant_negative_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -1.000000, float -2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 51. InstCombinePass
----------------------------------------
define float @fabs_select_constant_negative_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -1.000000, float -2.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
=>
define float @fabs_select_constant_negative_negative(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%fabs = select i1 %cmp, float 1.000000, float 2.000000
ret float %fabs
}
Transformation seems to be correct!
-- 52. PassManager<Function> : Skipping NOP
-- 53. PassManager<Function> : Skipping NOP
-- 54. InstCombinePass
----------------------------------------
define float @fabs_select_constant_neg0(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -0.000000, float 0.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 55. InstCombinePass
----------------------------------------
define float @fabs_select_constant_neg0(i32 %c) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float -0.000000, float 0.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
=>
define float @fabs_select_constant_neg0(i32 %c) {
%0:
ret float 0.000000
}
Transformation seems to be correct!
-- 56. PassManager<Function> : Skipping NOP
-- 57. PassManager<Function> : Skipping NOP
-- 58. InstCombinePass
----------------------------------------
define float @fabs_select_var_constant_negative(i32 %c, float %x) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float %x, float -1.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 59. InstCombinePass
----------------------------------------
define float @fabs_select_var_constant_negative(i32 %c, float %x) {
%0:
%cmp = icmp eq i32 %c, 0
%select = select i1 %cmp, float %x, float -1.000000
%fabs = fabs float %select, exceptions=ignore
ret float %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 60. PassManager<Function> : Skipping NOP
-- 61. PassManager<Function> : Skipping NOP
-- 62. InstCombinePass
----------------------------------------
define float @square_fma_fabs_intrinsic_f32(float %x) {
%0:
%fma = fma float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fma, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 63. InstCombinePass
----------------------------------------
define float @square_fma_fabs_intrinsic_f32(float %x) {
%0:
%fma = fma float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fma, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 64. PassManager<Function> : Skipping NOP
-- 65. PassManager<Function> : Skipping NOP
-- 66. InstCombinePass
----------------------------------------
define float @square_nnan_fma_fabs_intrinsic_f32(float %x) {
%0:
%fma = fma nnan float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fma, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 67. InstCombinePass
----------------------------------------
define float @square_nnan_fma_fabs_intrinsic_f32(float %x) {
%0:
%fma = fma nnan float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fma, exceptions=ignore
ret float %fabsf
}
=>
define float @square_nnan_fma_fabs_intrinsic_f32(float %x) {
%0:
%fma = fma nnan float %x, float %x, float 1.000000, exceptions=ignore
ret float %fma
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 68. PassManager<Function> : Skipping NOP
-- 69. PassManager<Function> : Skipping NOP
-- 70. InstCombinePass
----------------------------------------
define float @square_fmuladd_fabs_intrinsic_f32(float %x) {
%0:
%fmuladd = fmuladd float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fmuladd, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 71. InstCombinePass
----------------------------------------
define float @square_fmuladd_fabs_intrinsic_f32(float %x) {
%0:
%fmuladd = fmuladd float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fmuladd, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 72. PassManager<Function> : Skipping NOP
-- 73. PassManager<Function> : Skipping NOP
-- 74. InstCombinePass
----------------------------------------
define float @square_nnan_fmuladd_fabs_intrinsic_f32(float %x) {
%0:
%fmuladd = fmuladd nnan float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fmuladd, exceptions=ignore
ret float %fabsf
}
Transformation seems to be correct! (syntactically equal)
-- 75. InstCombinePass
----------------------------------------
define float @square_nnan_fmuladd_fabs_intrinsic_f32(float %x) {
%0:
%fmuladd = fmuladd nnan float %x, float %x, float 1.000000, exceptions=ignore
%fabsf = fabs float %fmuladd, exceptions=ignore
ret float %fabsf
}
=>
define float @square_nnan_fmuladd_fabs_intrinsic_f32(float %x) {
%0:
%fmuladd = fmuladd nnan float %x, float %x, float 1.000000, exceptions=ignore
ret float %fmuladd
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 76. PassManager<Function> : Skipping NOP
-- 77. PassManager<Function> : Skipping NOP
ERROR: Unsupported instruction: store volatile double %fpext, ptr undef, align 8
-- 78. InstCombinePass
ERROR: Unsupported instruction: store volatile double %fpext, ptr undef, align 8
-- 79. InstCombinePass
ERROR: Unsupported instruction: store volatile double %fpext, ptr undef, align 8
-- 80. PassManager<Function> : Skipping NOP
ERROR: Unsupported instruction: store volatile double %fpext, ptr undef, align 8
-- 81. PassManager<Function> : Skipping NOP
-- 82. InstCombinePass
----------------------------------------
define double @select_fcmp_ole_zero(double %x) {
%0:
%lezero = fcmp ole double %x, 0.000000
%negx = fsub double 0.000000, %x, exceptions=ignore
%fabs = select i1 %lezero, double %negx, double %x
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 83. InstCombinePass
----------------------------------------
define double @select_fcmp_ole_zero(double %x) {
%0:
%lezero = fcmp ole double %x, 0.000000
%negx = fsub double 0.000000, %x, exceptions=ignore
%fabs = select i1 %lezero, double %negx, double %x
ret double %fabs
}
=>
define double @select_fcmp_ole_zero(double %x) {
%0:
%1 = fabs double %x, exceptions=ignore
ret double %1
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 84. PassManager<Function> : Skipping NOP
-- 85. PassManager<Function> : Skipping NOP
-- 86. InstCombinePass
----------------------------------------
define double @select_fcmp_nnan_ole_zero(double %x) {
%0:
%lezero = fcmp ole double %x, 0.000000
%negx = fsub nnan double 0.000000, %x, exceptions=ignore
%fabs = select i1 %lezero, double %negx, double %x
ret double %fabs
}
Transformation seems to be correct! (syntactically equal)
-- 87. InstCombinePass
----------------------------------------
define double @select_fcmp_nnan_ole_zero(double %x) {
%0:
%lezero = fcmp ole double %x, 0.000000
%negx = fsub nnan double 0.000000, %x, exceptions=ignore
%fabs = select i1 %lezero, double %negx, double %x
ret double %fabs
}
=>
define double @select_fcmp_nnan_ole_zero(double %x) {
%0:
%1 = fabs double %x, exceptions=ignore
ret double %1
}
Transformation doesn't verify! (unsound)
ERROR: Value mismatch
Example:
double %x = #xfff0000000040000 (QNaN)
Source:
i1 %lezero = #x0 (0)
double %negx = poison
double %fabs = #xfff0000000040000 (QNaN)
Target:
double %1 = #x7ff0000000040000 (QNaN)
Source value: #xfff0000000040000 (QNaN)
Target value: #x7ff0000000040000 (QNaN)
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' '-mtriple=x86_64-unknown-linux-gnu' '-passes=instcombine' '-S' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
------------------- SMT STATS -------------------
Num queries: 55
Num invalid: 0
Num skips: 0
Num trivial: 43 (43.9%)
Num timeout: 5 (9.1%)
Num errors: 0 (0.0%)
Num SAT: 38 (69.1%)
Num UNSAT: 12 (21.8%)
Alive2: Transform doesn't verify; aborting!
+ : 'RUN: at line 2' + /home/nlopes/alive2/build/opt-alive.sh -mtriple=x86_64-unknown-linux-gnu -passes=instcombine -S + /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fabs.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/fabs.ll