Implement @llvm.returnaddress. rdar://8015977.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104421 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/arm-frameaddr.ll b/test/CodeGen/ARM/arm-frameaddr.ll
index 2739860..1c7ac25 100644
--- a/test/CodeGen/ARM/arm-frameaddr.ll
+++ b/test/CodeGen/ARM/arm-frameaddr.ll
@@ -1,10 +1,15 @@
-; RUN: llc < %s -mtriple=arm-apple-darwin  | grep mov | grep r7
-; RUN: llc < %s -mtriple=arm-linux-gnueabi | grep mov | grep r11
+; RUN: llc < %s -mtriple=arm-apple-darwin  | FileCheck %s -check-prefix=DARWIN
+; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s -check-prefix=LINUX
 ; PR4344
 ; PR4416
 
 define arm_aapcscc i8* @t() nounwind {
 entry:
+; DARWIN: t:
+; DARWIN: mov r0, r7
+
+; LINUX: t:
+; LINUX: mov r0, r11
 	%0 = call i8* @llvm.frameaddress(i32 0)
         ret i8* %0
 }