1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/GVN/rle-nonlocal.ll b/test/Transforms/GVN/rle-nonlocal.ll
new file mode 100644
index 0000000..5c73dad
--- /dev/null
+++ b/test/Transforms/GVN/rle-nonlocal.ll
@@ -0,0 +1,24 @@
+; RUN: opt < %s -gvn -S | FileCheck %s
+
+define i32 @main(i32** %p) {
+block1:
+	br i1 true, label %block2, label %block3
+
+block2:
+ %a = load i32** %p
+ br label %block4
+
+block3:
+  %b = load i32** %p
+  br label %block4
+
+block4:
+; CHECK-NOT: %existingPHI = phi
+; CHECK: %DEAD = phi
+  %existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ] 
+  %DEAD = load i32** %p
+  %c = load i32* %DEAD
+  %d = load i32* %existingPHI
+  %e = add i32 %c, %d
+  ret i32 %e
+}