From 2457f2c66184e978d4ed8fa9e2128effff26cb0b Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Sat, 22 May 2010 01:47:14 +0000
Subject: Implement @llvm.returnaddress. rdar://8015977.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104421 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PowerPC/PPCISelLowering.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'lib/Target/PowerPC')

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 6f11953..10b516a 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -5496,12 +5496,15 @@ bool PPCTargetLowering::isLegalAddressImmediate(llvm::GlobalValue* GV) const {
 
 SDValue PPCTargetLowering::LowerRETURNADDR(SDValue Op,
                                            SelectionDAG &DAG) const {
+  MachineFunction &MF = DAG.getMachineFunction();
+  MachineFrameInfo *MFI = MF.getFrameInfo();
+  MFI->setReturnAddressIsTaken(true);
+
   DebugLoc dl = Op.getDebugLoc();
   unsigned Depth = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
 
   // Make sure the function does not optimize away the store of the RA to
   // the stack.
-  MachineFunction &MF = DAG.getMachineFunction();
   PPCFunctionInfo *FuncInfo = MF.getInfo<PPCFunctionInfo>();
   FuncInfo->setLRStoreRequired();
   bool isPPC64 = PPCSubTarget.isPPC64();
-- 
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