From ba584fe8feb840a82ad5966cb9eca6df0eeaafc2 Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka@mips.com>
Date: Wed, 11 Jul 2012 00:53:32 +0000
Subject: Lower RETURNADDR node in Mips backend.

Patch by Sasa Stankovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160031 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/Mips/return_address.ll | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 test/CodeGen/Mips/return_address.ll

(limited to 'test')

diff --git a/test/CodeGen/Mips/return_address.ll b/test/CodeGen/Mips/return_address.ll
new file mode 100644
index 0000000..e1c9241
--- /dev/null
+++ b/test/CodeGen/Mips/return_address.ll
@@ -0,0 +1,23 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s
+
+define i8* @f1() nounwind {
+entry:
+  %0 = call i8* @llvm.returnaddress(i32 0)
+  ret i8* %0
+
+; CHECK:    addu    $2, $zero, $ra
+}
+
+define i8* @f2() nounwind {
+entry:
+  call void @g()
+  %0 = call i8* @llvm.returnaddress(i32 0)
+  ret i8* %0
+
+; CHECK:    addu    $[[R0:[0-9]+]], $zero, $ra
+; CHECK:    jal
+; CHECK:    addu    $2,  $zero, $[[R0]]
+}
+
+declare i8* @llvm.returnaddress(i32) nounwind readnone
+declare void @g()
-- 
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