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-rw-r--r--test/Transforms/GlobalOpt/metadata.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/metadata.ll b/test/Transforms/GlobalOpt/metadata.ll
new file mode 100644
index 0000000000..ecf3f94196
--- /dev/null
+++ b/test/Transforms/GlobalOpt/metadata.ll
@@ -0,0 +1,26 @@
+; RUN: opt -S -globalopt < %s | FileCheck %s
+
+; PR6112 - When globalopt does RAUW(@G, %G), the metadata reference should drop
+; to null. Function local metadata that references @G from a different function
+; to that containing %G should likewise drop to null.
+@G = internal global i8** null
+
+define i32 @main(i32 %argc, i8** %argv) {
+; CHECK-LABEL: @main(
+; CHECK: %G = alloca
+ store i8** %argv, i8*** @G
+ ret i32 0
+}
+
+define void @foo(i32 %x) {
+ call void @llvm.foo(metadata !{i8*** @G, i32 %x})
+; CHECK: call void @llvm.foo(metadata !{null, i32 %x})
+ ret void
+}
+
+declare void @llvm.foo(metadata) nounwind readnone
+
+!named = !{!0}
+
+!0 = metadata !{i8*** @G}
+; CHECK: !0 = metadata !{null}