Test Failure: Transforms/InstSimplify/pr49495.ll

Test source: git

Log:

Source: <stdin>

----------------------------------------
define i1 @test1(* %a, * %b) {
%0:
  %cond1 = icmp ne * %a, %b
  %a2 = gep inbounds * %a, 1 x i64 -1
  %cond2 = icmp ugt * %a2, %b
  %res = select i1 %cond1, i1 %cond2, i1 0
  ret i1 %res
}
=>
define i1 @test1(* %a, * %b) {
%0:
  %a2 = gep inbounds * %a, 1 x i64 -1
  %cond2 = icmp ugt * %a2, %b
  ret i1 %cond2
}
Transformation doesn't verify!
ERROR: Target is more poisonous than source

Example:
* %a = null
* %b = null

Source:
i1 %cond1 = #x0 (0)
* %a2 = poison
i1 %cond2 = poison
i1 %res = #x0 (0)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 1	alloc type: 0
Block 1 >	align: 262144	alloc type: 0
Block 2 >	align: 2	alloc type: 0

Target:
* %a2 = poison
i1 %cond2 = poison
Source value: #x0 (0)
Target value: poison


------------------- SMT STATS -------------------
Num queries: 2
Num invalid: 0
Num skips:   0
Num trivial: 2 (50.0%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     2 (100.0%)
Num UNSAT:   0 (0.0%)

stderr:

+ : 'RUN: at line 2'
+ /home/nlopes/alive2/build/opt-alive.sh -instsimplify -S
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/InstSimplify/pr49495.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/InstSimplify/pr49495.ll

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