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Diffstat (limited to 'llvm/lib/Target/X86/X86FrameLowering.cpp')
-rw-r--r--llvm/lib/Target/X86/X86FrameLowering.cpp60
1 files changed, 25 insertions, 35 deletions
diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp
index d078c4d18cd..f17e5a34e50 100644
--- a/llvm/lib/Target/X86/X86FrameLowering.cpp
+++ b/llvm/lib/Target/X86/X86FrameLowering.cpp
@@ -46,8 +46,7 @@ bool X86FrameLowering::hasReservedCallFrame(const MachineFunction &MF) const {
bool X86FrameLowering::hasFP(const MachineFunction &MF) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
const MachineModuleInfo &MMI = MF.getMMI();
- const TargetRegisterInfo *RegInfo =
- MF.getTarget().getSubtargetImpl()->getRegisterInfo();
+ const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();
return (MF.getTarget().Options.DisableFramePointerElim(MF) ||
RegInfo->needsStackRealignment(MF) ||
@@ -315,8 +314,7 @@ X86FrameLowering::emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
MachineFrameInfo *MFI = MF.getFrameInfo();
MachineModuleInfo &MMI = MF.getMMI();
const MCRegisterInfo *MRI = MMI.getContext().getRegisterInfo();
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
// Add callee saved registers to move list.
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
@@ -441,10 +439,9 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
MachineBasicBlock::iterator MBBI = MBB.begin();
MachineFrameInfo *MFI = MF.getFrameInfo();
const Function *Fn = MF.getFunction();
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
MachineModuleInfo &MMI = MF.getMMI();
X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
uint64_t MaxAlign = MFI->getMaxAlignment(); // Desired stack alignment.
@@ -836,10 +833,9 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
assert(MBBI != MBB.end() && "Returning block has no instructions");
unsigned RetOpcode = MBBI->getOpcode();
@@ -1049,8 +1045,8 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
int X86FrameLowering::getFrameIndexOffset(const MachineFunction &MF,
int FI) const {
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
const MachineFrameInfo *MFI = MF.getFrameInfo();
int Offset = MFI->getObjectOffset(FI) - getOffsetOfLocalArea();
uint64_t StackSize = MFI->getStackSize();
@@ -1092,8 +1088,8 @@ int X86FrameLowering::getFrameIndexOffset(const MachineFunction &MF,
int X86FrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const {
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
// We can't calculate offset from frame pointer if the stack is realigned,
// so enforce usage of stack/base pointer. The base pointer is used when we
// have dynamic allocas in addition to dynamic realignment.
@@ -1110,8 +1106,8 @@ bool X86FrameLowering::assignCalleeSavedSpillSlots(
MachineFunction &MF, const TargetRegisterInfo *TRI,
std::vector<CalleeSavedInfo> &CSI) const {
MachineFrameInfo *MFI = MF.getFrameInfo();
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
unsigned SlotSize = RegInfo->getSlotSize();
X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
@@ -1178,8 +1174,7 @@ bool X86FrameLowering::spillCalleeSavedRegisters(
DebugLoc DL = MBB.findDebugLoc(MI);
MachineFunction &MF = *MBB.getParent();
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
// Push GPRs. It increases frame size.
@@ -1227,8 +1222,7 @@ bool X86FrameLowering::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
DebugLoc DL = MBB.findDebugLoc(MI);
MachineFunction &MF = *MBB.getParent();
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
// Reload XMMs from stack frame.
@@ -1259,8 +1253,8 @@ void
X86FrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const {
MachineFrameInfo *MFI = MF.getFrameInfo();
- const X86RegisterInfo *RegInfo = static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+ const X86RegisterInfo *RegInfo =
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo());
unsigned SlotSize = RegInfo->getSlotSize();
X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
@@ -1337,8 +1331,7 @@ void
X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const {
MachineBasicBlock &prologueMBB = MF.front();
MachineFrameInfo *MFI = MF.getFrameInfo();
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
uint64_t StackSize;
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
bool Is64Bit = STI.is64Bit();
@@ -1547,12 +1540,11 @@ X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const {
/// temp0 = sp - MaxStack
/// if( temp0 < SP_LIMIT(P) ) goto IncStack else goto OldStart
void X86FrameLowering::adjustForHiPEPrologue(MachineFunction &MF) const {
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
MachineFrameInfo *MFI = MF.getFrameInfo();
const unsigned SlotSize =
- static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo())->getSlotSize();
+ static_cast<const X86RegisterInfo *>(MF.getSubtarget().getRegisterInfo())
+ ->getSlotSize();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
const bool Is64Bit = STI.is64Bit();
DebugLoc DL;
@@ -1682,11 +1674,9 @@ void X86FrameLowering::adjustForHiPEPrologue(MachineFunction &MF) const {
void X86FrameLowering::
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
- const TargetInstrInfo &TII =
- *MF.getTarget().getSubtargetImpl()->getInstrInfo();
- const X86RegisterInfo &RegInfo =
- *static_cast<const X86RegisterInfo *>(
- MF.getTarget().getSubtargetImpl()->getRegisterInfo());
+ const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
+ const X86RegisterInfo &RegInfo = *static_cast<const X86RegisterInfo *>(
+ MF.getSubtarget().getRegisterInfo());
unsigned StackPtr = RegInfo.getStackRegister();
bool reseveCallFrame = hasReservedCallFrame(MF);
int Opcode = I->getOpcode();
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