Test Failure: Transforms/Scalarizer/order-bug.ll

Test source: git

Log:

Source: /home/nlopes/llvm/llvm/test/Transforms/Scalarizer/order-bug.ll

----------------------------------------
define <4 x i32> @main(float %a) {
%entry:
  %i = insertelement <4 x float> undef, float %a, i32 0
  br label %z

%z:
  %b = bitcast <4 x float> %i to <4 x i32>
  br label %y

%y:
  %f = shufflevector <4 x i32> %b, <4 x i32> undef, 0, 0, 0, 0
  ret <4 x i32> %f
}
=>
define <4 x i32> @main(float %a) {
%entry:
  %i = insertelement <4 x float> undef, float %a, i32 0
  br label %z

%z:
  %b.i0 = bitcast float %a to i32
  br label %y

%y:
  %f.upto0 = insertelement <4 x i32> undef, i32 %b.i0, i32 0
  %f.upto1 = insertelement <4 x i32> %f.upto0, i32 %b.i0, i32 1
  %f.upto2 = insertelement <4 x i32> %f.upto1, i32 %b.i0, i32 2
  %f = insertelement <4 x i32> %f.upto2, i32 %b.i0, i32 3
  ret <4 x i32> %f
}
Transformation doesn't verify!
ERROR: Value mismatch

Example:
float %a = undef

Source:
<4 x float> %i = < undef, #x00000000 (+0.0)	[based on undef value], #x00000000 (+0.0), #x00000000 (+0.0) >
<4 x i32> %b = < #x7f800000 (2139095040), #x00000000 (0), #x00000000 (0), #x00000000 (0) >
<4 x i32> %f = < #x7f800000 (2139095040), #x7f800000 (2139095040), #x7f800000 (2139095040), #x7f800000 (2139095040) >

Target:
<4 x float> %i = < undef, #x00000000 (+0.0)	[based on undef value], #x00000000 (+0.0), #x00000000 (+0.0) >
i32 %b.i0 = #x02000000 (33554432)
<4 x i32> %f.upto0 = < #x02000000 (33554432), #x00000000 (0), #x00000000 (0), #x00000000 (0) >
<4 x i32> %f.upto1 = < #x02000000 (33554432), #x00001000 (4096), #x00000000 (0), #x00000000 (0) >
<4 x i32> %f.upto2 = < #x02000000 (33554432), #x00001000 (4096), #x04000000 (67108864), #x00000000 (0) >
<4 x i32> %f = < #x02000000 (33554432), #x00001000 (4096), #x04000000 (67108864), #x7f802000 (2139103232) >
Source value: < #x7f800000 (2139095040), #x7f800000 (2139095040), #x7f800000 (2139095040), #x7f800000 (2139095040) >
Target value: < #x02000000 (33554432), #x00001000 (4096), #x04000000 (67108864), #x7f802000 (2139103232) >


------------------- SMT STATS -------------------
Num queries: 8
Num invalid: 0
Num skips:   0
Num trivial: 2 (20.0%)
Num timeout: 2 (25.0%)
Num errors:  0 (0.0%)
Num SAT:     3 (37.5%)
Num UNSAT:   3 (37.5%)

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/scripts/opt-alive.sh /home/nlopes/llvm/llvm/test/Transforms/Scalarizer/order-bug.ll -scalarizer -S -o -
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/Scalarizer/order-bug.ll

Alive2: Transform doesn't verify; aborting!
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/Scalarizer/order-bug.ll

NOTE: This test would pass if undef didn't exist!

<-- Back