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-rw-r--r--llvm/test/Transforms/GVN/basic.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GVN/basic.ll b/llvm/test/Transforms/GVN/basic.ll
new file mode 100644
index 00000000000..44b32130631
--- /dev/null
+++ b/llvm/test/Transforms/GVN/basic.ll
@@ -0,0 +1,16 @@
+; RUN: opt < %s -gvn -S | FileCheck %s
+; RUN: opt < %s -passes=gvn -S | FileCheck %s
+
+define i32 @main() {
+block1:
+ %z1 = bitcast i32 0 to i32
+ br label %block2
+block2:
+ %z2 = bitcast i32 0 to i32
+ ret i32 %z2
+}
+
+; CHECK: define i32 @main() {
+; CHECK-NEXT: block1:
+; CHECK-NEXT: ret i32 0
+; CHECK-NEXT: }
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