From 21f83a2f95c30b21398b6db0f80ac7eb0b4b672a Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 26 Nov 2009 22:04:42 +0000
Subject: Fix PR5471 by removing an instcombine xform.  Some pieces of the code
 generates store to undef and some generates store to null as the idiom for
 undefined behavior.  Since simplifycfg zaps both, don't remove the undefined
 behavior in instcombine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89971 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/InstCombine/crash.ll | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test/Transforms/InstCombine/crash.ll')

diff --git a/test/Transforms/InstCombine/crash.ll b/test/Transforms/InstCombine/crash.ll
index fbac472e19..1528f6ddf3 100644
--- a/test/Transforms/InstCombine/crash.ll
+++ b/test/Transforms/InstCombine/crash.ll
@@ -125,3 +125,15 @@ l10:
   %v11 = select i1 %v5_, i64 0, i64 %v6
   ret i64 %v11
 }
+
+; PR5471
+define arm_apcscc i32 @test5a() {
+       ret i32 0
+}
+
+define arm_apcscc void @test5() {
+       store i1 true, i1* undef
+       %1 = invoke i32 @test5a() to label %exit unwind label %exit
+exit:
+       ret void
+}
-- 
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