1 files changed, 33 insertions, 0 deletions
diff --git a/test/Analysis/GlobalsModRef/pr12351.ll b/test/Analysis/GlobalsModRef/pr12351.ll
new file mode 100644
index 000000000000..1c5ac43f8d27
--- /dev/null
+++ b/test/Analysis/GlobalsModRef/pr12351.ll
@@ -0,0 +1,33 @@
+; RUN: opt < %s -basicaa -globalsmodref-aa -gvn -S | FileCheck %s
+
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
+define void @foo(i8* %x, i8* %y) {
+  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %x, i8* %y, i32 1, i32 1, i1 false);
+  ret void
+}
+
+define void @bar(i8* %y, i8* %z) {
+  %x = alloca i8
+  call void @foo(i8* %x, i8* %y)
+  %t = load i8* %x
+  store i8 %t, i8* %y
+; CHECK: store i8 %t, i8* %y
+  ret void
+}
+
+
+define i32 @foo2() {
+  %foo = alloca i32
+  call void @bar2(i32* %foo)
+  %t0 = load i32* %foo, align 4
+; CHECK: %t0 = load i32* %foo, align 4
+  ret i32 %t0
+}
+
+define void @bar2(i32* %foo)  {
+  store i32 0, i32* %foo, align 4
+  tail call void @llvm.dbg.value(metadata !{}, i64 0, metadata !{})
+  ret void
+}
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone