From 77b0b852fad6397db36a14c85dac8747d0fb9211 Mon Sep 17 00:00:00 2001
From: Stepan Dyatkovskiy <stpworld@narod.ru>
Date: Mon, 9 Jun 2014 19:03:02 +0000
Subject: [PATCH] =?UTF-8?q?Added=20functions=20cross-reference=20test.=20O?=
 =?UTF-8?q?riginally=20this=20similar=20was=20initiated=20by=20Bj=C3=B6rn?=
 =?UTF-8?q?=20Steinbrink=20here:=20http://reviews.llvm.org/D3437?=
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Bug itself has been fixed by principal changes in MergeFunctions. Though
special checks for functions merging are still actual. And the test has
been accepted with slight modifications.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210486 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/MergeFunc/functions.ll | 27 ++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 test/Transforms/MergeFunc/functions.ll

diff --git a/test/Transforms/MergeFunc/functions.ll b/test/Transforms/MergeFunc/functions.ll
new file mode 100644
index 00000000000..006fdf52367
--- /dev/null
+++ b/test/Transforms/MergeFunc/functions.ll
@@ -0,0 +1,27 @@
+; RUN: opt -S -mergefunc < %s | FileCheck %s
+
+; Be sure we don't merge cross-referenced functions of same type.
+
+; CHECK-LABEL: @left
+; CHECK-LABEL: entry-block
+; CHECK-LABEL: call void @right(i64 %p)
+define void @left(i64 %p) {
+entry-block:
+  call void @right(i64 %p)
+  call void @right(i64 %p)
+  call void @right(i64 %p)
+  call void @right(i64 %p)
+  ret void
+}
+
+; CHECK-LABEL: @right
+; CHECK-LABEL: entry-block
+; CHECK-LABEL: call void @left(i64 %p)
+define void @right(i64 %p) {
+entry-block:
+  call void @left(i64 %p)
+  call void @left(i64 %p)
+  call void @left(i64 %p)
+  call void @left(i64 %p)
+  ret void
+}