Verifier: check that functions have at most a single !prof attachment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272734 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/test/Verifier/metadata-function-prof.ll b/test/Verifier/metadata-function-prof.ll
new file mode 100644
index 000000000000..ca0628f44f89
--- /dev/null
+++ b/test/Verifier/metadata-function-prof.ll
@@ -0,0 +1,12 @@
+; RUN: not llvm-as %s -disable-output 2>&1 | FileCheck %s
+
+define void @foo() !prof !0 {
+  unreachable
+}
+
+; CHECK: function must have a single !prof attachment
+define void @foo2() !prof !0 !prof !0 {
+  unreachable
+}
+
+!0 = !{}