From 68d599df37218452acd5a680d5360d3caaa1623c Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 1 Apr 2008 20:38:36 +0000
Subject: Speculatively micro-optimize memory-zeroing calls on Darwin 10.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/darwin-bzero.ll | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 test/CodeGen/X86/darwin-bzero.ll

(limited to 'test/CodeGen/X86/darwin-bzero.ll')

diff --git a/test/CodeGen/X86/darwin-bzero.ll b/test/CodeGen/X86/darwin-bzero.ll
new file mode 100644
index 0000000000..c292140e10
--- /dev/null
+++ b/test/CodeGen/X86/darwin-bzero.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin10 | grep __bzero
+
+declare void @llvm.memset.i32(i8*, i8, i32, i32)
+
+define void @foo(i8* %p, i32 %len) {
+  call void @llvm.memset.i32(i8* %p, i8 0, i32 %len, i32 1);
+  ret void
+}
-- 
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