Sparc: Mark functions calling llvm.vastart and llvm.returnaddress intrinsics as non-leaf functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183079 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 561a019..140efc3 100644
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -1613,6 +1613,9 @@
MachineFunction &MF = DAG.getMachineFunction();
SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();
+ //Need frame address to find the address of VarArgsFrameIndex
+ MF.getFrameInfo()->setFrameAddressIsTaken(true);
+
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
SDLoc DL(Op);
@@ -1719,6 +1722,9 @@
if (depth == 0)
RetAddr = DAG.getCopyFromReg(DAG.getEntryNode(), dl, RetReg, VT);
else {
+ //Need frame address to find return address of the caller
+ MFI->setFrameAddressIsTaken(true);
+
// flush first to make sure the windowed registers' values are in stack
SDValue Chain = getFLUSHW(Op, DAG);
RetAddr = DAG.getCopyFromReg(Chain, dl, SP::I6, VT);