PPCFrameLowering::PPCFrameLowering(const PPCSubtarget &STI)
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
- (STI.hasQPX() || STI.isBGQ()) ? 32 : 16, 0),
+ STI.getPlatformStackAlignment(), 0),
Subtarget(STI), ReturnSaveOffset(computeReturnSaveOffset(Subtarget)),
TOCSaveOffset(computeTOCSaveOffset(Subtarget)),
FramePointerSaveOffset(computeFramePointerSaveOffset(Subtarget)),
}
}
-void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
- MachineBasicBlock &MBB = MF.front(); // Prolog goes in entry BB
+void PPCFrameLowering::emitPrologue(MachineFunction &MF,
+ MachineBasicBlock &MBB) const {
+ assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");
MachineBasicBlock::iterator MBBI = MBB.begin();
MachineFrameInfo *MFI = MF.getFrameInfo();
const PPCInstrInfo &TII =
// Get processor type.
bool isPPC64 = Subtarget.isPPC64();
// Get the ABI.
- bool isDarwinABI = Subtarget.isDarwinABI();
bool isSVR4ABI = Subtarget.isSVR4ABI();
bool isELFv2ABI = Subtarget.isELFv2ABI();
- assert((isDarwinABI || isSVR4ABI) &&
+ assert((Subtarget.isDarwinABI() || isSVR4ABI) &&
"Currently only Darwin and SVR4 ABIs are supported for PowerPC.");
// Scan the prolog, looking for an UPDATE_VRSAVE instruction. If we find it,