Make $fp and $ra callee-saved registers and let PrologEpilogInserter handle
saving and restoring them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131745 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index ea26d57..08da34b 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -1042,6 +1042,7 @@
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
bool IsPIC = getTargetMachine().getRelocationModel() == Reloc::PIC_;
+ MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
@@ -1066,6 +1067,8 @@
int LastArgStackLoc = 0;
unsigned FirstStackArgLoc = (Subtarget->isABI_EABI() ? 0 : 16);
+ MipsFI->setHasCall();
+
// Walk the register/memloc assignments, inserting copies/loads.
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
SDValue Arg = OutVals[i];
@@ -1226,7 +1229,6 @@
// Function can have an arbitrary number of calls, so
// hold the LastArgStackLoc with the biggest offset.
int FI;
- MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
if (LastArgStackLoc >= MipsFI->getGPStackOffset()) {
LastArgStackLoc = (!LastArgStackLoc) ? (16) : (LastArgStackLoc+4);
// Create the frame index only once. SPOffset here can be anything