Test Failure: Transforms/VectorCombine/X86/load.ll

Test source: git

Comments: LLVM PR44185

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
ERROR: Unsupported instruction:   %s = load volatile float, float* %p, align 4
-- 1. PassManager<Function> : Skipping NOP
-- 2. VectorCombinePass

----------------------------------------
define float @matching_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %r = load float, ptr dereferenceable(16) align(16) %p, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 3. VectorCombinePass

----------------------------------------
define float @matching_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %r = load float, ptr dereferenceable(16) align(16) %p, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 4. PassManager<Function> : Skipping NOP
-- 5. PassManager<Function> : Skipping NOP
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
-- 6. VectorCombinePass
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
-- 7. VectorCombinePass
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
-- 8. PassManager<Function> : Skipping NOP
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
-- 9. PassManager<Function> : Skipping NOP
-- 10. VectorCombinePass

----------------------------------------
define double @larger_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load double, ptr %bc, align 16
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

-- 11. VectorCombinePass

----------------------------------------
define double @larger_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load double, ptr %bc, align 16
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define float @smaller_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 15. VectorCombinePass

----------------------------------------
define float @smaller_fp_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 16. PassManager<Function> : Skipping NOP
-- 17. PassManager<Function> : Skipping NOP
-- 18. VectorCombinePass

----------------------------------------
define float @matching_fp_vector(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 19. VectorCombinePass

----------------------------------------
define float @matching_fp_vector(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define float @matching_fp_vector_gep00(ptr dereferenceable(16) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(16) align(16) %p, 16 x i64 0, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 23. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep00(ptr dereferenceable(16) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(16) align(16) %p, 16 x i64 0, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 24. PassManager<Function> : Skipping NOP
-- 25. PassManager<Function> : Skipping NOP
-- 26. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep01(ptr dereferenceable(20) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(20) align(16) %p, 16 x i64 0, 4 x i64 1
  %r = load float, ptr %gep, align 4
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 27. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep01(ptr dereferenceable(20) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(20) align(16) %p, 16 x i64 0, 4 x i64 1
  %r = load float, ptr %gep, align 4
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define float @matching_fp_vector_gep01_deref(ptr dereferenceable(19) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(19) align(16) %p, 16 x i64 0, 4 x i64 1
  %r = load float, ptr %gep, align 4
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 31. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep01_deref(ptr dereferenceable(19) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(19) align(16) %p, 16 x i64 0, 4 x i64 1
  %r = load float, ptr %gep, align 4
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 32. PassManager<Function> : Skipping NOP
-- 33. PassManager<Function> : Skipping NOP
-- 34. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep10(ptr dereferenceable(32) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(32) align(16) %p, 16 x i64 1, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 35. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep10(ptr dereferenceable(32) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(32) align(16) %p, 16 x i64 1, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 36. PassManager<Function> : Skipping NOP
-- 37. PassManager<Function> : Skipping NOP
-- 38. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep10_deref(ptr dereferenceable(31) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(31) align(16) %p, 16 x i64 1, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 39. VectorCombinePass

----------------------------------------
define float @matching_fp_vector_gep10_deref(ptr dereferenceable(31) align(16) %p) {
%0:
  %gep = gep inbounds ptr dereferenceable(31) align(16) %p, 16 x i64 1, 4 x i64 0
  %r = load float, ptr %gep, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 40. PassManager<Function> : Skipping NOP
-- 41. PassManager<Function> : Skipping NOP
-- 42. VectorCombinePass

----------------------------------------
define float @nonmatching_int_vector(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 43. VectorCombinePass

----------------------------------------
define float @nonmatching_int_vector(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 44. PassManager<Function> : Skipping NOP
-- 45. PassManager<Function> : Skipping NOP
-- 46. VectorCombinePass

----------------------------------------
define double @less_aligned(ptr dereferenceable(16) align(4) %p) {
%0:
  %r = load double, ptr dereferenceable(16) align(4) %p, align 4
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

-- 47. VectorCombinePass

----------------------------------------
define double @less_aligned(ptr dereferenceable(16) align(4) %p) {
%0:
  %r = load double, ptr dereferenceable(16) align(4) %p, align 4
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define float @matching_fp_scalar_small_deref(ptr dereferenceable(15) align(16) %p) {
%0:
  %r = load float, ptr dereferenceable(15) align(16) %p, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

-- 51. VectorCombinePass

----------------------------------------
define float @matching_fp_scalar_small_deref(ptr dereferenceable(15) align(16) %p) {
%0:
  %r = load float, ptr dereferenceable(15) align(16) %p, align 16
  ret float %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define i64 @larger_int_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i64, ptr %bc, align 16
  ret i64 %r
}
Transformation seems to be correct! (syntactically equal)

-- 55. VectorCombinePass

----------------------------------------
define i64 @larger_int_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i64, ptr %bc, align 16
  ret i64 %r
}
Transformation seems to be correct! (syntactically equal)

-- 56. PassManager<Function> : Skipping NOP
-- 57. PassManager<Function> : Skipping NOP
-- 58. VectorCombinePass

----------------------------------------
define i8 @smaller_int_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i8, ptr %bc, align 16
  ret i8 %r
}
Transformation seems to be correct! (syntactically equal)

-- 59. VectorCombinePass

----------------------------------------
define i8 @smaller_int_scalar(ptr dereferenceable(16) align(16) %p) {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i8, ptr %bc, align 16
  ret i8 %r
}
Transformation seems to be correct! (syntactically equal)

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

----------------------------------------
define double @larger_fp_scalar_256bit_vec(ptr dereferenceable(32) align(32) %p) {
%0:
  %bc = bitcast ptr dereferenceable(32) align(32) %p to ptr
  %r = load double, ptr %bc, align 32
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

-- 63. VectorCombinePass

----------------------------------------
define double @larger_fp_scalar_256bit_vec(ptr dereferenceable(32) align(32) %p) {
%0:
  %bc = bitcast ptr dereferenceable(32) align(32) %p to ptr
  %r = load double, ptr %bc, align 32
  ret double %r
}
Transformation seems to be correct! (syntactically equal)

-- 64. PassManager<Function> : Skipping NOP
-- 65. PassManager<Function> : Skipping NOP
-- 66. VectorCombinePass

----------------------------------------
define <4 x float> @load_f32_insert_v4f32(ptr dereferenceable(16) align(16) %p) nofree {
%0:
  %s = load float, ptr dereferenceable(16) align(16) %p, align 4
  %r = insertelement <4 x float> undef, float %s, i32 0
  ret <4 x float> %r
}
Transformation seems to be correct! (syntactically equal)

-- 67. VectorCombinePass

----------------------------------------
define <4 x float> @load_f32_insert_v4f32(ptr dereferenceable(16) align(16) %p) nofree {
%0:
  %s = load float, ptr dereferenceable(16) align(16) %p, align 4
  %r = insertelement <4 x float> undef, float %s, i32 0
  ret <4 x float> %r
}
=>
define <4 x float> @load_f32_insert_v4f32(ptr dereferenceable(16) align(16) %p) nofree {
%0:
  %1 = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %2 = load <4 x float>, ptr %1, align 16
  %r = shufflevector <4 x float> %2, <4 x float> poison, 0, 4294967295, 4294967295, 4294967295
  ret <4 x float> %r
}
Transformation doesn't verify! (unsound)
ERROR: Target is more poisonous than source

Example:
ptr dereferenceable(16) align(16) %p = pointer(non-local, block_id=1, offset=0)

Source:
float %s = poison
<4 x float> %r = < poison, #x00000000 (+0.0)	[based on undef value], #x00000000 (+0.0), #x00000000 (+0.0) >

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 4	alloc type: 0
Block 1 >	size: 16	align: 4294967296	alloc type: 0

Target:
ptr %1 = pointer(non-local, block_id=1, offset=0)
<4 x float> %2 = < poison, poison, poison, poison >
<4 x float> %r = < poison, poison, poison, poison >
Source value: < poison, #x00000000 (+0.0), #x00000000 (+0.0), #x00000000 (+0.0) >
Target value: < poison, poison, poison, poison >

Pass: VectorCombinePass
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=vector-combine' '-S' '-mtriple=x86_64--' '-mattr=sse2' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'


------------------- SMT STATS -------------------
Num queries: 7
Num invalid: 0
Num skips:   0
Num trivial: 9 (56.2%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     6 (85.7%)
Num UNSAT:   1 (14.3%)
Alive2: Transform doesn't verify; aborting!

stderr:

+ : 'RUN: at line 2'
+ /home/nlopes/alive2/build/opt-alive.sh -passes=vector-combine -S -mtriple=x86_64-- -mattr=sse2
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/VectorCombine/X86/load.ll --check-prefixes=CHECK,SSE2

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/VectorCombine/X86/load.ll --check-prefixes=CHECK,SSE2

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