From c0a0363d5c269dc955c48345bf6b8e39d1c49e8b Mon Sep 17 00:00:00 2001
From: Reid Kleckner <rnk@google.com>
Date: Wed, 25 May 2016 18:36:22 +0000
Subject: [IR] Copy comdats in GlobalObject::copyAttributesFrom

This is probably correct for all uses except cross-module IR linking,
where we need to move the comdat from the source module to the
destination module.

Fixes PR27870.

Reviewers: majnemer

Differential Revision: http://reviews.llvm.org/D20631

llvm-svn: 270743
---
 llvm/test/Transforms/DeadArgElim/comdat.ll | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 llvm/test/Transforms/DeadArgElim/comdat.ll

(limited to 'llvm/test/Transforms')

diff --git a/llvm/test/Transforms/DeadArgElim/comdat.ll b/llvm/test/Transforms/DeadArgElim/comdat.ll
new file mode 100644
index 00000000000..d3752eb4074
--- /dev/null
+++ b/llvm/test/Transforms/DeadArgElim/comdat.ll
@@ -0,0 +1,14 @@
+; RUN: opt -S < %s -deadargelim | FileCheck %s
+
+$f = comdat any
+
+define void @f() comdat {
+  call void @g(i32 0)
+  ret void
+}
+
+define internal void @g(i32 %dead) comdat($f) {
+  ret void
+}
+
+; CHECK: define internal void @g() comdat($f) {
-- 
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