Test source: git
Comments: LLVM PR50281
Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
-- 1. PassManager<Function> : Skipping NOP
-- 2. InstCombinePass
----------------------------------------
define double @t1(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = select i1 %#1, float %a, float 5.000000
%#3 = fpext float %#2 to double
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 3. InstCombinePass
----------------------------------------
define double @t1(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = select i1 %#1, float %a, float 5.000000
%#3 = fpext float %#2 to double
ret double %#3
}
=>
define double @t1(float %a) {
#0:
%.inv = fcmp oge float %a, 5.000000
%#1 = select i1 %.inv, float 5.000000, float %a
%#2 = fpext float %#1 to double
ret double %#2
}
Transformation seems to be correct!
-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
-- 6. InstCombinePass
----------------------------------------
define double @t2(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 5.000000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 7. InstCombinePass
----------------------------------------
define double @t2(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 5.000000
ret double %#3
}
=>
define double @t2(float %a) {
#0:
%.inv = fcmp oge float %a, 5.000000
%#1 = select i1 %.inv, float 5.000000, float %a
%#2 = fpext float %#1 to double
ret double %#2
}
Transformation seems to be correct!
-- 8. PassManager<Function> : Skipping NOP
-- 9. PassManager<Function> : Skipping NOP
-- 10. InstCombinePass
----------------------------------------
define float @t4(double %a) {
#0:
%#1 = fcmp ult double %a, 5.000000
%#2 = fptrunc double %a to float
%#3 = select i1 %#1, float %#2, float 5.000000
ret float %#3
}
Transformation seems to be correct! (syntactically equal)
-- 11. InstCombinePass
----------------------------------------
define float @t4(double %a) {
#0:
%#1 = fcmp ult double %a, 5.000000
%#2 = fptrunc double %a to float
%#3 = select i1 %#1, float %#2, float 5.000000
ret float %#3
}
=>
define float @t4(double %a) {
#0:
%.inv = fcmp oge double %a, 5.000000
%#1 = select i1 %.inv, double 5.000000, double %a
%#2 = fptrunc double %#1 to float
ret float %#2
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 12. PassManager<Function> : Skipping NOP
-- 13. PassManager<Function> : Skipping NOP
-- 14. InstCombinePass
----------------------------------------
define double @t5(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 5.001000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 15. InstCombinePass
----------------------------------------
define double @t5(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 5.001000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. InstCombinePass
----------------------------------------
define float @not_maxnum(float %x) {
#0:
%cmp = fcmp olt float %x, 0.000000
%sel = select i1 %cmp, float -0.000000, float %x
ret float %sel
}
Transformation seems to be correct! (syntactically equal)
-- 19. InstCombinePass
----------------------------------------
define float @not_maxnum(float %x) {
#0:
%cmp = fcmp olt float %x, 0.000000
%sel = select i1 %cmp, float -0.000000, float %x
ret float %sel
}
Transformation seems to be correct! (syntactically equal)
-- 20. PassManager<Function> : Skipping NOP
-- 21. PassManager<Function> : Skipping NOP
-- 22. InstCombinePass
----------------------------------------
define double @t6(float %a) {
#0:
%#1 = fcmp ult float %a, -0.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 0.000000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 23. InstCombinePass
----------------------------------------
define double @t6(float %a) {
#0:
%#1 = fcmp ult float %a, -0.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double 0.000000
ret double %#3
}
=>
define double @t6(float %a) {
#0:
%.inv = fcmp oge float %a, 0.000000
%#1 = select i1 %.inv, float 0.000000, float %a
%#2 = fpext float %#1 to double
ret double %#2
}
Transformation seems to be correct!
-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. InstCombinePass
----------------------------------------
define double @t7(float %a) {
#0:
%#1 = fcmp ult float %a, 0.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double -0.000000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 27. InstCombinePass
----------------------------------------
define double @t7(float %a) {
#0:
%#1 = fcmp ult float %a, 0.000000
%#2 = fpext float %a to double
%#3 = select i1 %#1, double %#2, double -0.000000
ret double %#3
}
Transformation seems to be correct! (syntactically equal)
-- 28. PassManager<Function> : Skipping NOP
-- 29. PassManager<Function> : Skipping NOP
-- 30. InstCombinePass
----------------------------------------
define float @fmin_fmin_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp olt float %x, -0.000000
%min1 = select i1 %cmp1, float %x, float 0.000000
%cmp2 = fcmp olt float %min1, 0.000000
%min2 = select i1 %cmp2, float %min1, float 0.000000
ret float %min2
}
Transformation seems to be correct! (syntactically equal)
-- 31. InstCombinePass
----------------------------------------
define float @fmin_fmin_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp olt float %x, -0.000000
%min1 = select i1 %cmp1, float %x, float 0.000000
%cmp2 = fcmp olt float %min1, 0.000000
%min2 = select i1 %cmp2, float %min1, float 0.000000
ret float %min2
}
=>
define float @fmin_fmin_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp olt float %x, 0.000000
%min2 = select i1 %cmp1, float %x, float 0.000000
ret float %min2
}
Transformation seems to be correct!
-- 32. PassManager<Function> : Skipping NOP
-- 33. PassManager<Function> : Skipping NOP
-- 34. InstCombinePass
----------------------------------------
define float @fmax_fmax_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp ogt float %x, 0.000000
%max1 = select i1 %cmp1, float %x, float -0.000000
%cmp2 = fcmp ogt float 0.000000, %max1
%max2 = select i1 %cmp2, float -0.000000, float %max1
ret float %max2
}
Transformation seems to be correct! (syntactically equal)
-- 35. InstCombinePass
----------------------------------------
define float @fmax_fmax_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp ogt float %x, 0.000000
%max1 = select i1 %cmp1, float %x, float -0.000000
%cmp2 = fcmp ogt float 0.000000, %max1
%max2 = select i1 %cmp2, float -0.000000, float %max1
ret float %max2
}
=>
define float @fmax_fmax_zero_mismatch(float %x) {
#0:
%cmp1 = fcmp ogt float %x, 0.000000
%max1 = select i1 %cmp1, float %x, float -0.000000
ret float %max1
}
Transformation seems to be correct!
-- 36. PassManager<Function> : Skipping NOP
-- 37. PassManager<Function> : Skipping NOP
-- 38. InstCombinePass
----------------------------------------
define i64 @t8(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fptoui float %a to i64
%#3 = select i1 %#1, i64 %#2, i64 5
ret i64 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 39. InstCombinePass
----------------------------------------
define i64 @t8(float %a) {
#0:
%#1 = fcmp ult float %a, 5.000000
%#2 = fptoui float %a to i64
%#3 = select i1 %#1, i64 %#2, i64 5
ret i64 %#3
}
=>
define i64 @t8(float %a) {
#0:
%.inv = fcmp oge float %a, 5.000000
%#1 = select i1 %.inv, float 5.000000, float %a
%#2 = fptoui float %#1 to i64
ret i64 %#2
}
Transformation seems to be correct!
-- 40. PassManager<Function> : Skipping NOP
-- 41. PassManager<Function> : Skipping NOP
-- 42. InstCombinePass
----------------------------------------
define i8 @t9(float %a) {
#0:
%#1 = fcmp ult float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 43. InstCombinePass
----------------------------------------
define i8 @t9(float %a) {
#0:
%#1 = fcmp ult float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
=>
define i8 @t9(float %a) {
#0:
%.inv = fcmp oge float %a, 0.000000
%#1 = select i1 %.inv, float 0.000000, float %a
%#2 = fptosi float %#1 to i8
ret i8 %#2
}
Transformation seems to be correct!
-- 44. PassManager<Function> : Skipping NOP
-- 45. PassManager<Function> : Skipping NOP
-- 46. InstCombinePass
----------------------------------------
define i8 @t11(float %a, float %b) {
#0:
%#1 = fcmp fast ult float %b, %a
%#2 = fptosi float %a to i8
%#3 = fptosi float %b to i8
%#4 = select i1 %#1, i8 %#3, i8 %#2
ret i8 %#4
}
Transformation seems to be correct! (syntactically equal)
-- 47. InstCombinePass
----------------------------------------
define i8 @t11(float %a, float %b) {
#0:
%#1 = fcmp fast ult float %b, %a
%#2 = fptosi float %a to i8
%#3 = fptosi float %b to i8
%#4 = select i1 %#1, i8 %#3, i8 %#2
ret i8 %#4
}
=>
define i8 @t11(float %a, float %b) {
#0:
%.inv = fcmp fast oge float %b, %a
%.v = select fast i1 %.inv, float %a, float %b
%#1 = fptosi float %.v to i8
ret i8 %#1
}
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
-- 48. PassManager<Function> : Skipping NOP
-- 49. PassManager<Function> : Skipping NOP
-- 50. InstCombinePass
----------------------------------------
define i8 @t12(float %a, float %b) {
#0:
%#1 = fcmp nnan ult float %b, %a
%#2 = fptosi float %a to i8
%#3 = fptosi float %b to i8
%#4 = select i1 %#1, i8 %#3, i8 %#2
ret i8 %#4
}
Transformation seems to be correct! (syntactically equal)
-- 51. InstCombinePass
----------------------------------------
define i8 @t12(float %a, float %b) {
#0:
%#1 = fcmp nnan ult float %b, %a
%#2 = fptosi float %a to i8
%#3 = fptosi float %b to i8
%#4 = select i1 %#1, i8 %#3, i8 %#2
ret i8 %#4
}
=>
define i8 @t12(float %a, float %b) {
#0:
%.inv = fcmp nnan oge float %b, %a
%.v = select nnan i1 %.inv, float %a, float %b
%#1 = fptosi float %.v to i8
ret i8 %#1
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 52. PassManager<Function> : Skipping NOP
-- 53. PassManager<Function> : Skipping NOP
-- 54. InstCombinePass
----------------------------------------
define i8 @t13(float %a) {
#0:
%#1 = fcmp ult float %a, 1.500000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 1
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 55. InstCombinePass
----------------------------------------
define i8 @t13(float %a) {
#0:
%#1 = fcmp ult float %a, 1.500000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 1
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 56. PassManager<Function> : Skipping NOP
-- 57. PassManager<Function> : Skipping NOP
-- 58. InstCombinePass
----------------------------------------
define i8 @t14(float %a) {
#0:
%#1 = fcmp ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 59. InstCombinePass
----------------------------------------
define i8 @t14(float %a) {
#0:
%#1 = fcmp ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
=>
define i8 @t14(float %a) {
#0:
%.inv = fcmp oge float %a, 0.000000
%#1 = select i1 %.inv, float 0.000000, float %a
%#2 = fptosi float %#1 to i8
ret i8 %#2
}
Transformation seems to be correct!
-- 60. PassManager<Function> : Skipping NOP
-- 61. PassManager<Function> : Skipping NOP
-- 62. InstCombinePass
----------------------------------------
define i8 @t14_commute(float %a) {
#0:
%#1 = fcmp ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 0, i8 %#2
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 63. InstCombinePass
----------------------------------------
define i8 @t14_commute(float %a) {
#0:
%#1 = fcmp ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 0, i8 %#2
ret i8 %#3
}
=>
define i8 @t14_commute(float %a) {
#0:
%#1 = fcmp ogt float %a, 0.000000
%#2 = select i1 %#1, float %a, float 0.000000
%#3 = fptosi float %#2 to i8
ret i8 %#3
}
Transformation seems to be correct!
-- 64. PassManager<Function> : Skipping NOP
-- 65. PassManager<Function> : Skipping NOP
-- 66. InstCombinePass
----------------------------------------
define i8 @t15(float %a) {
#0:
%#1 = fcmp nsz ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
Transformation seems to be correct! (syntactically equal)
-- 67. InstCombinePass
----------------------------------------
define i8 @t15(float %a) {
#0:
%#1 = fcmp nsz ule float %a, 0.000000
%#2 = fptosi float %a to i8
%#3 = select i1 %#1, i8 %#2, i8 0
ret i8 %#3
}
=>
define i8 @t15(float %a) {
#0:
%.inv = fcmp nsz oge float %a, 0.000000
%#1 = select nsz i1 %.inv, float 0.000000, float %a
%#2 = fptosi float %#1 to i8
ret i8 %#2
}
Transformation seems to be correct!
-- 68. PassManager<Function> : Skipping NOP
-- 69. PassManager<Function> : Skipping NOP
-- 70. InstCombinePass
----------------------------------------
define double @t16(i32 %x) {
#0:
%cmp = icmp sgt i32 %x, 0
%cst = sitofp i32 %x to double
%sel = select i1 %cmp, double %cst, double 0.500000
ret double %sel
}
Transformation seems to be correct! (syntactically equal)
-- 71. InstCombinePass
----------------------------------------
define double @t16(i32 %x) {
#0:
%cmp = icmp sgt i32 %x, 0
%cst = sitofp i32 %x to double
%sel = select i1 %cmp, double %cst, double 0.500000
ret double %sel
}
Transformation seems to be correct! (syntactically equal)
-- 72. PassManager<Function> : Skipping NOP
-- 73. PassManager<Function> : Skipping NOP
-- 74. InstCombinePass
----------------------------------------
define double @t17(i32 %x) {
#0:
%cmp = icmp sgt i32 %x, 2
%cst = sitofp i32 %x to double
%sel = select i1 %cmp, double %cst, double 2.000000
ret double %sel
}
Transformation seems to be correct! (syntactically equal)
-- 75. InstCombinePass
----------------------------------------
define double @t17(i32 %x) {
#0:
%cmp = icmp sgt i32 %x, 2
%cst = sitofp i32 %x to double
%sel = select i1 %cmp, double %cst, double 2.000000
ret double %sel
}
=>
define double @t17(i32 %x) {
#0:
%sel1 = smax i32 %x, 2
%sel = uitofp nneg i32 %sel1 to double
ret double %sel
}
Transformation doesn't verify! (not unsound)
ERROR: Timeout
-- 76. PassManager<Function> : Skipping NOP
-- 77. PassManager<Function> : Skipping NOP
-- 78. InstCombinePass
----------------------------------------
define float @fneg_fmax(float %x, float %y) {
#0:
%n1 = fneg float %x
%n2 = fneg float %y
%cond = fcmp nnan ogt float %n1, %n2
%max = select i1 %cond, float %n1, float %n2
ret float %max
}
Transformation seems to be correct! (syntactically equal)
-- 79. InstCombinePass
----------------------------------------
define float @fneg_fmax(float %x, float %y) {
#0:
%n1 = fneg float %x
%n2 = fneg float %y
%cond = fcmp nnan ogt float %n1, %n2
%max = select i1 %cond, float %n1, float %n2
ret float %max
}
=>
define float @fneg_fmax(float %x, float %y) {
#0:
%cond = fcmp nnan olt float %x, %y
%max.v = select i1 %cond, float %x, float %y
%max = fneg float %max.v
ret float %max
}
Transformation seems to be correct!
-- 80. PassManager<Function> : Skipping NOP
-- 81. PassManager<Function> : Skipping NOP
-- 82. InstCombinePass
----------------------------------------
define <2 x float> @fsub_fmax(<2 x float> %x, <2 x float> %y) {
#0:
%n1 = fsub <2 x float> { -0.000000, -0.000000 }, %x
%n2 = fsub <2 x float> { -0.000000, -0.000000 }, %y
%cond = fcmp nnan nsz uge <2 x float> %n1, %n2
%max = select <2 x i1> %cond, <2 x float> %n1, <2 x float> %n2
ret <2 x float> %max
}
Transformation seems to be correct! (syntactically equal)
-- 83. InstCombinePass
----------------------------------------
define <2 x float> @fsub_fmax(<2 x float> %x, <2 x float> %y) {
#0:
%n1 = fsub <2 x float> { -0.000000, -0.000000 }, %x
%n2 = fsub <2 x float> { -0.000000, -0.000000 }, %y
%cond = fcmp nnan nsz uge <2 x float> %n1, %n2
%max = select <2 x i1> %cond, <2 x float> %n1, <2 x float> %n2
ret <2 x float> %max
}
=>
define <2 x float> @fsub_fmax(<2 x float> %x, <2 x float> %y) {
#0:
%cond.inv = fcmp nnan nsz ogt <2 x float> %x, %y
%max.v = select nnan nsz <2 x i1> %cond.inv, <2 x float> %y, <2 x float> %x
%max = fneg <2 x float> %max.v
ret <2 x float> %max
}
Transformation doesn't verify! (unsound)
ERROR: Target's return value is more undefined
Example:
<2 x float> %x = < #x00000000 (+0.0), #x7f800200 (SNaN) >
<2 x float> %y = < #x00000000 (+0.0), #x00000000 (+0.0) >
Source:
<2 x float> %n1 = < #x80000000 (-0.0), #x7f800200 (SNaN) >
<2 x float> %n2 = < #x80000000 (-0.0), #x80000000 (-0.0) >
<2 x i1> %cond = < #x1 (1), poison >
<2 x float> %max = < #x80000000 (-0.0), poison >
Target:
<2 x i1> %cond.inv = < #x0 (0), poison >
<2 x float> %max.v = < #x80000000 (-0.0), poison >
<2 x float> %max = < #x00000000 (+0.0), poison >
Source value: < #x80000000 (-0.0), poison >
Target value: < #x00000000 (+0.0), 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' '-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_plwJ2n7W_LEU9.bc"
------------------- SMT STATS -------------------
Num queries: 111
Num invalid: 0
Num skips: 0
Num trivial: 57 (33.9%)
Num timeout: 3 (2.7%)
Num errors: 0 (0.0%)
Num SAT: 63 (56.8%)
Num UNSAT: 45 (40.5%)
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/minmax-fp.ll | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/minmax-fp.ll + /home/nlopes/alive2/build/opt-alive.sh -S -passes=instcombine + /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/minmax-fp.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/InstCombine/minmax-fp.ll