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authorDan Gohman <gohman@apple.com>2010-11-11 16:21:47 +0000
committerDan Gohman <gohman@apple.com>2010-11-11 16:21:47 +0000
commit5aae3dcb53b89344d598eee7e1021dce7ec6345c (patch)
tree35c110b9311c64ac16cd3b628f23faae0fe1d17e /test/Analysis/TypeBasedAliasAnalysis
parent2c71f18ff7f5e1504ffeff85f643314e84e6e5d9 (diff)
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Make Sink tbaa-aware.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118788 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/TypeBasedAliasAnalysis')
-rw-r--r--test/Analysis/TypeBasedAliasAnalysis/sink.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Analysis/TypeBasedAliasAnalysis/sink.ll b/test/Analysis/TypeBasedAliasAnalysis/sink.ll
new file mode 100644
index 0000000000..e9bb61f602
--- /dev/null
+++ b/test/Analysis/TypeBasedAliasAnalysis/sink.ll
@@ -0,0 +1,20 @@
+; RUN: opt -tbaa -enable-tbaa -sink -S < %s | FileCheck %s
+
+; CHECK: a:
+; CHECK: %f = load float* %p, !tbaa !2
+; CHECK: store float %f, float* %q
+
+define void @foo(float* %p, i1 %c, float* %q, float* %r) {
+ %f = load float* %p, !tbaa !0
+ store float 0.0, float* %r, !tbaa !1
+ br i1 %c, label %a, label %b
+a:
+ store float %f, float* %q
+ br label %b
+b:
+ ret void
+}
+
+!0 = metadata !{metadata !"A", metadata !2}
+!1 = metadata !{metadata !"B", metadata !2}
+!2 = metadata !{metadata !"test"}