summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/ARM/ARMFrameLowering.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Target/ARM/ARMFrameLowering.cpp')
-rw-r--r--llvm/lib/Target/ARM/ARMFrameLowering.cpp63
1 files changed, 40 insertions, 23 deletions
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index a67b3600c4f..980229a011a 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -47,7 +47,8 @@ ARMFrameLowering::ARMFrameLowering(const ARMSubtarget &sti)
/// pointer register. This is true if the function has variable sized allocas
/// or if frame pointer elimination is disabled.
bool ARMFrameLowering::hasFP(const MachineFunction &MF) const {
- const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
+ const TargetRegisterInfo *RegInfo =
+ MF.getTarget().getSubtargetImpl()->getRegisterInfo();
// iOS requires FP not to be clobbered for backtracing purpose.
if (STI.isTargetIOS())
@@ -163,14 +164,15 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const {
MCContext &Context = MMI.getContext();
const TargetMachine &TM = MF.getTarget();
const MCRegisterInfo *MRI = Context.getRegisterInfo();
- const ARMBaseRegisterInfo *RegInfo =
- static_cast<const ARMBaseRegisterInfo*>(TM.getRegisterInfo());
- const ARMBaseInstrInfo &TII =
- *static_cast<const ARMBaseInstrInfo*>(TM.getInstrInfo());
+ const ARMBaseRegisterInfo *RegInfo = static_cast<const ARMBaseRegisterInfo *>(
+ TM.getSubtargetImpl()->getRegisterInfo());
+ const ARMBaseInstrInfo &TII = *static_cast<const ARMBaseInstrInfo *>(
+ TM.getSubtargetImpl()->getInstrInfo());
assert(!AFI->isThumb1OnlyFunction() &&
"This emitPrologue does not support Thumb1!");
bool isARM = !AFI->isThumbFunction();
- unsigned Align = TM.getFrameLowering()->getStackAlignment();
+ unsigned Align =
+ TM.getSubtargetImpl()->getFrameLowering()->getStackAlignment();
unsigned ArgRegsSaveSize = AFI->getArgRegsSaveSize(Align);
unsigned NumBytes = MFI->getStackSize();
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
@@ -574,14 +576,19 @@ void ARMFrameLowering::emitEpilogue(MachineFunction &MF,
DebugLoc dl = MBBI->getDebugLoc();
MachineFrameInfo *MFI = MF.getFrameInfo();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
+ const TargetRegisterInfo *RegInfo =
+ MF.getTarget().getSubtargetImpl()->getRegisterInfo();
const ARMBaseInstrInfo &TII =
- *static_cast<const ARMBaseInstrInfo*>(MF.getTarget().getInstrInfo());
+ *static_cast<const ARMBaseInstrInfo *>(
+ MF.getTarget().getSubtargetImpl()->getInstrInfo());
assert(!AFI->isThumb1OnlyFunction() &&
"This emitEpilogue does not support Thumb1!");
bool isARM = !AFI->isThumbFunction();
- unsigned Align = MF.getTarget().getFrameLowering()->getStackAlignment();
+ unsigned Align = MF.getTarget()
+ .getSubtargetImpl()
+ ->getFrameLowering()
+ ->getStackAlignment();
unsigned ArgRegsSaveSize = AFI->getArgRegsSaveSize(Align);
int NumBytes = (int)MFI->getStackSize();
unsigned FramePtr = RegInfo->getFrameRegister(MF);
@@ -717,8 +724,8 @@ ARMFrameLowering::ResolveFrameIndexReference(const MachineFunction &MF,
int FI, unsigned &FrameReg,
int SPAdj) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
- const ARMBaseRegisterInfo *RegInfo =
- static_cast<const ARMBaseRegisterInfo*>(MF.getTarget().getRegisterInfo());
+ const ARMBaseRegisterInfo *RegInfo = static_cast<const ARMBaseRegisterInfo *>(
+ MF.getTarget().getSubtargetImpl()->getRegisterInfo());
const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
int Offset = MFI->getObjectOffset(FI) + MFI->getStackSize();
int FPOffset = Offset - AFI->getFramePtrSpillOffset();
@@ -803,7 +810,8 @@ void ARMFrameLowering::emitPushInst(MachineBasicBlock &MBB,
unsigned NumAlignedDPRCS2Regs,
unsigned MIFlags) const {
MachineFunction &MF = *MBB.getParent();
- const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+ const TargetInstrInfo &TII =
+ *MF.getTarget().getSubtargetImpl()->getInstrInfo();
DebugLoc DL;
if (MI != MBB.end()) DL = MI->getDebugLoc();
@@ -876,7 +884,8 @@ void ARMFrameLowering::emitPopInst(MachineBasicBlock &MBB,
bool(*Func)(unsigned, bool),
unsigned NumAlignedDPRCS2Regs) const {
MachineFunction &MF = *MBB.getParent();
- const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+ const TargetInstrInfo &TII =
+ *MF.getTarget().getSubtargetImpl()->getInstrInfo();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
DebugLoc DL = MI->getDebugLoc();
unsigned RetOpcode = MI->getOpcode();
@@ -966,7 +975,8 @@ static void emitAlignedDPRCS2Spills(MachineBasicBlock &MBB,
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
DebugLoc DL = MI->getDebugLoc();
- const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+ const TargetInstrInfo &TII =
+ *MF.getTarget().getSubtargetImpl()->getInstrInfo();
MachineFrameInfo &MFI = *MF.getFrameInfo();
// Mark the D-register spill slots as properly aligned. Since MFI computes
@@ -1125,7 +1135,8 @@ static void emitAlignedDPRCS2Restores(MachineBasicBlock &MBB,
MachineFunction &MF = *MBB.getParent();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
DebugLoc DL = MI->getDebugLoc();
- const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
+ const TargetInstrInfo &TII =
+ *MF.getTarget().getSubtargetImpl()->getInstrInfo();
// Find the frame index assigned to d8.
int D8SpillFI = 0;
@@ -1340,12 +1351,15 @@ static void checkNumAlignedDPRCS2Regs(MachineFunction &MF) {
return;
// Don't bother if the default stack alignment is sufficiently high.
- if (MF.getTarget().getFrameLowering()->getStackAlignment() >= 8)
+ if (MF.getTarget()
+ .getSubtargetImpl()
+ ->getFrameLowering()
+ ->getStackAlignment() >= 8)
return;
// Aligned spills require stack realignment.
- const ARMBaseRegisterInfo *RegInfo =
- static_cast<const ARMBaseRegisterInfo*>(MF.getTarget().getRegisterInfo());
+ const ARMBaseRegisterInfo *RegInfo = static_cast<const ARMBaseRegisterInfo *>(
+ MF.getTarget().getSubtargetImpl()->getRegisterInfo());
if (!RegInfo->canRealignStack(MF))
return;
@@ -1384,10 +1398,11 @@ ARMFrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
unsigned NumGPRSpills = 0;
SmallVector<unsigned, 4> UnspilledCS1GPRs;
SmallVector<unsigned, 4> UnspilledCS2GPRs;
- const ARMBaseRegisterInfo *RegInfo =
- static_cast<const ARMBaseRegisterInfo*>(MF.getTarget().getRegisterInfo());
+ const ARMBaseRegisterInfo *RegInfo = static_cast<const ARMBaseRegisterInfo *>(
+ MF.getTarget().getSubtargetImpl()->getRegisterInfo());
const ARMBaseInstrInfo &TII =
- *static_cast<const ARMBaseInstrInfo*>(MF.getTarget().getInstrInfo());
+ *static_cast<const ARMBaseInstrInfo *>(
+ MF.getTarget().getSubtargetImpl()->getInstrInfo());
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
MachineFrameInfo *MFI = MF.getFrameInfo();
MachineRegisterInfo &MRI = MF.getRegInfo();
@@ -1628,7 +1643,8 @@ void ARMFrameLowering::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
const ARMBaseInstrInfo &TII =
- *static_cast<const ARMBaseInstrInfo*>(MF.getTarget().getInstrInfo());
+ *static_cast<const ARMBaseInstrInfo *>(
+ MF.getTarget().getSubtargetImpl()->getInstrInfo());
if (!hasReservedCallFrame(MF)) {
// If we have alloca, convert as follows:
// ADJCALLSTACKDOWN -> sub, sp, sp, amount
@@ -1746,7 +1762,8 @@ void ARMFrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const {
MCContext &Context = MMI.getContext();
const MCRegisterInfo *MRI = Context.getRegisterInfo();
const ARMBaseInstrInfo &TII =
- *static_cast<const ARMBaseInstrInfo*>(MF.getTarget().getInstrInfo());
+ *static_cast<const ARMBaseInstrInfo *>(
+ MF.getTarget().getSubtargetImpl()->getInstrInfo());
ARMFunctionInfo *ARMFI = MF.getInfo<ARMFunctionInfo>();
DebugLoc DL;
OpenPOWER on IntegriCloud