From 12cccdd73142aba5b1d04c0c108a80bff59e13ed Mon Sep 17 00:00:00 2001
From: Andrew Kaylor <andrew.kaylor@intel.com>
Date: Wed, 13 Jul 2016 17:25:11 +0000
Subject: Fix for Bug 26903, adds support to inline __builtin_mempcpy

Patch by Sunita Marathe

Differential Revision: http://reviews.llvm.org/D21920

llvm-svn: 275284
---
 llvm/test/CodeGen/Generic/mempcpy_call.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 llvm/test/CodeGen/Generic/mempcpy_call.ll

(limited to 'llvm/test/CodeGen/Generic')

diff --git a/llvm/test/CodeGen/Generic/mempcpy_call.ll b/llvm/test/CodeGen/Generic/mempcpy_call.ll
new file mode 100644
index 00000000000..b88f20160af
--- /dev/null
+++ b/llvm/test/CodeGen/Generic/mempcpy_call.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -O2 | FileCheck %s
+
+; This test just checks that mempcpy is lowered as memcpy.
+; The test to check that the return value of mempcpy is the dst pointer adjusted
+; by the copy size is done by Codegen/X86/mempcpy_ret_val.ll
+
+; CHECK-LABEL: CALL_MEMPCPY:
+; CHECK: callq memcpy
+;
+define void @CALL_MEMPCPY(i8* %DST, i8* %SRC, i64 %N) {
+entry:
+  %call = tail call i8* @mempcpy(i8* %DST, i8* %SRC, i64 %N)
+  ret void
+}
+
+declare i8* @mempcpy(i8*, i8*, i64)
-- 
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