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-rw-r--r--llvm/test/Transforms/Inline/label-annotation.ll35
1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Inline/label-annotation.ll b/llvm/test/Transforms/Inline/label-annotation.ll
new file mode 100644
index 00000000000..9d471f63620
--- /dev/null
+++ b/llvm/test/Transforms/Inline/label-annotation.ll
@@ -0,0 +1,35 @@
+; Inlining should not clone label annotations.
+; Currently we block all duplication for simplicity.
+
+; RUN: opt < %s -S -inline | FileCheck %s
+
+@the_global = global i32 0
+
+declare void @llvm.codeview.annotation(metadata)
+
+define void @inlinee() {
+entry:
+ store i32 42, i32* @the_global
+ call void @llvm.codeview.annotation(metadata !0)
+ ret void
+}
+
+define void @caller() {
+entry:
+ call void @inlinee()
+ ret void
+}
+
+!0 = !{!"annotation"}
+
+; CHECK-LABEL: define void @inlinee()
+; CHECK: store i32 42, i32* @the_global
+; CHECK: call void @llvm.codeview.annotation(metadata !0)
+; CHECK: ret void
+
+; CHECK-LABEL: define void @caller()
+; MSVC can inline this. If we ever do, check for the store but make sure
+; there is no annotation.
+; CHECK: call void @inlinee()
+; CHECK-NOT: call void @llvm.codeview.annotation
+; CHECK: ret void
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