Make Sink tbaa-aware.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118788 91177308-0d34-0410-b5e6-96231b3b80d8

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"}