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

Test source: git

Comments: LLVM PR44185

Log:

Source: <stdin>
ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16
ERROR: Unsupported instruction:   %s = load volatile float, float* %p, align 4

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

ERROR: Unsupported instruction:   %r = load volatile float, float* %p, align 16

----------------------------------------
define double @larger_fp_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load double, ptr %bc, align 16
  ret double %r
}
=>
define double @larger_fp_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @smaller_fp_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
=>
define float @smaller_fp_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
=>
define float @matching_fp_vector(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector_gep00(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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
}
=>
define float @matching_fp_vector_gep00(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector_gep01(ptr dereferenceable(20) align(16) %p) denormal-fp-math=ieee,ieee {
%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
}
=>
define float @matching_fp_vector_gep01(ptr dereferenceable(20) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector_gep01_deref(ptr dereferenceable(19) align(16) %p) denormal-fp-math=ieee,ieee {
%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
}
=>
define float @matching_fp_vector_gep01_deref(ptr dereferenceable(19) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector_gep10(ptr dereferenceable(32) align(16) %p) denormal-fp-math=ieee,ieee {
%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
}
=>
define float @matching_fp_vector_gep10(ptr dereferenceable(32) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @matching_fp_vector_gep10_deref(ptr dereferenceable(31) align(16) %p) denormal-fp-math=ieee,ieee {
%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
}
=>
define float @matching_fp_vector_gep10_deref(ptr dereferenceable(31) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define float @nonmatching_int_vector(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load float, ptr %bc, align 16
  ret float %r
}
=>
define float @nonmatching_int_vector(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


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


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


----------------------------------------
define i64 @larger_int_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i64, ptr %bc, align 16
  ret i64 %r
}
=>
define i64 @larger_int_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define i8 @smaller_int_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(16) align(16) %p to ptr
  %r = load i8, ptr %bc, align 16
  ret i8 %r
}
=>
define i8 @smaller_int_scalar(ptr dereferenceable(16) align(16) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define double @larger_fp_scalar_256bit_vec(ptr dereferenceable(32) align(32) %p) denormal-fp-math=ieee,ieee {
%0:
  %bc = bitcast ptr dereferenceable(32) align(32) %p to ptr
  %r = load double, ptr %bc, align 32
  ret double %r
}
=>
define double @larger_fp_scalar_256bit_vec(ptr dereferenceable(32) align(32) %p) denormal-fp-math=ieee,ieee {
%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)


----------------------------------------
define <4 x float> @load_f32_insert_v4f32(ptr dereferenceable(16) align(16) %p) nofree denormal-fp-math=ieee,ieee {
%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 denormal-fp-math=ieee,ieee {
%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!
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, NaN	[based on undef value], NaN, NaN >

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 4	alloc type: 0
Block 1 >	size: 128	align: 16	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, NaN, NaN, NaN >
Target value: < poison, poison, poison, poison >


------------------- 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

<-- Back