From 86e8a700f516e8993417fb57d5386614b35c775d Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Wed, 15 Dec 2010 00:55:35 +0000 Subject: 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 --- test/Transforms/CorrelatedValuePropagation/crash.ll | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'test/Transforms/CorrelatedValuePropagation') diff --git a/test/Transforms/CorrelatedValuePropagation/crash.ll b/test/Transforms/CorrelatedValuePropagation/crash.ll index 8636788511..80c43d0f1d 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 +} -- cgit v1.2.3