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| author | Owen Anderson <resistor@mac.com> | 2010-12-15 00:55:35 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2010-12-15 00:55:35 +0000 |
| commit | 86e8a700f516e8993417fb57d5386614b35c775d (patch) | |
| tree | 07070adf1ac277abd6807a74239d4ad044d53784 /test/Transforms/CorrelatedValuePropagation | |
| parent | 93f83deba1df95211898fe756758e81969955bd9 (diff) | |
| download | external_llvm-86e8a700f516e8993417fb57d5386614b35c775d.zip external_llvm-86e8a700f516e8993417fb57d5386614b35c775d.tar.gz external_llvm-86e8a700f516e8993417fb57d5386614b35c775d.tar.bz2 | |
Fix PR8790, another instance where unreachable code can cause instruction simplification to fail,
this case involve a select that simplifies to itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121817 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/CorrelatedValuePropagation')
| -rw-r--r-- | test/Transforms/CorrelatedValuePropagation/crash.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/CorrelatedValuePropagation/crash.ll b/test/Transforms/CorrelatedValuePropagation/crash.ll index 8636788..80c43d0 100644 --- a/test/Transforms/CorrelatedValuePropagation/crash.ll +++ b/test/Transforms/CorrelatedValuePropagation/crash.ll @@ -18,3 +18,20 @@ for.cond.us.us: ; preds = %for.cond.us.us for.end: ; preds = %for.cond.us, %for.cond.us.us, %entry ret void } + +; PR 8790 +define void @test2() nounwind ssp { +entry: + br label %func_29.exit + +sdf.exit.i: + %l_44.1.mux.i = select i1 %tobool5.not.i, i8 %l_44.1.mux.i, i8 1 + br label %srf.exit.i + +srf.exit.i: + %tobool5.not.i = icmp ne i8 undef, 0 + br i1 %tobool5.not.i, label %sdf.exit.i, label %func_29.exit + +func_29.exit: + ret void +} |