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-rw-r--r--llvm/test/Transforms/GVN/invariant-load.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GVN/invariant-load.ll b/llvm/test/Transforms/GVN/invariant-load.ll
index 982da8cfe48..f74fd3392c1 100644
--- a/llvm/test/Transforms/GVN/invariant-load.ll
+++ b/llvm/test/Transforms/GVN/invariant-load.ll
@@ -114,6 +114,23 @@ entry:
ret i32 %res
}
+define i32 @test8(i1 %cnd, i32* %p) {
+; CHECK-LABEL: test8
+; CHECK: @bar
+; CHECK: load i32, i32* %p2, !invariant.load
+; CHECK: br label %merge
+entry:
+ %v1 = load i32, i32* %p, !invariant.load !0
+ br i1 %cnd, label %taken, label %merge
+taken:
+ %p2 = call i32* (...) @bar(i32* %p)
+ br label %merge
+merge:
+ %p3 = phi i32* [%p, %entry], [%p2, %taken]
+ %v2 = load i32, i32* %p3, !invariant.load !0
+ %res = sub i32 %v1, %v2
+ ret i32 %res
+}
!0 = !{ }
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