From 228232b2821f8e7f9c0b874ad733414bda183db6 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@apple.com>
Date: Tue, 30 Nov 2010 07:20:12 +0000
Subject: Rewrite mwait and monitor support and custom lower arguments.

Fixes PR8573.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120404 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/apm.ll | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 test/CodeGen/X86/apm.ll

(limited to 'test/CodeGen')

diff --git a/test/CodeGen/X86/apm.ll b/test/CodeGen/X86/apm.ll
new file mode 100644
index 0000000..b112185
--- /dev/null
+++ b/test/CodeGen/X86/apm.ll
@@ -0,0 +1,26 @@
+; RUN: llc < %s -o - -march=x86-64 | FileCheck %s
+; PR8573
+
+; CHECK: _foo:
+; CHECK: leaq    (%rdi), %rax
+; CHECK-NEXT: movl    %esi, %ecx
+; CHECK-NEXT: monitor
+define void @foo(i8* %P, i32 %E, i32 %H) nounwind {
+entry:
+  tail call void @llvm.x86.sse3.monitor(i8* %P, i32 %E, i32 %H)
+  ret void
+}
+
+declare void @llvm.x86.sse3.monitor(i8*, i32, i32) nounwind
+
+; CHECK: _bar:
+; CHECK: movl    %edi, %ecx
+; CHECK-NEXT: movl    %esi, %eax
+; CHECK-NEXT: mwait
+define void @bar(i32 %E, i32 %H) nounwind {
+entry:
+  tail call void @llvm.x86.sse3.mwait(i32 %E, i32 %H)
+  ret void
+}
+
+declare void @llvm.x86.sse3.mwait(i32, i32) nounwind
-- 
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