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diff test/Analysis/BasicAA/unreachable-block.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/Analysis/BasicAA/unreachable-block.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,16 @@
+; RUN: opt -basicaa -aa-eval -disable-output < %s >& /dev/null
+
+; BasicAA shouldn't infinitely recurse on the use-def cycles in
+; unreachable code.
+
+define void @func_2() nounwind {
+entry:
+  unreachable
+
+bb:
+  %t = select i1 undef, i32* %t, i32* undef
+  %p = select i1 undef, i32* %p, i32* %p
+  %q = select i1 undef, i32* undef, i32* %p
+  %a = getelementptr i8* %a, i32 0
+  unreachable
+}