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Remove caching of the subtarget for X86FrameLowering.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210290 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-06-05 22:00:31 +00:00
parent 6d18c24e99
commit d334d25a10
2 changed files with 9 additions and 6 deletions
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7
lib/Target/X86/X86FrameLowering.cpp
View File

@ -411,6 +411,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
uint64_t MaxAlign = MFI->getMaxAlignment(); // Desired stack alignment.
uint64_t StackSize = MFI->getStackSize(); // Number of bytes to allocate.
bool HasFP = hasFP(MF);
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
bool Is64Bit = STI.is64Bit();
bool IsLP64 = STI.isTarget64BitLP64();
bool IsWin64 = STI.isTargetWin64();
@ -728,6 +729,7 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
assert(MBBI != MBB.end() && "Returning block has no instructions");
unsigned RetOpcode = MBBI->getOpcode();
DebugLoc DL = MBBI->getDebugLoc();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
bool Is64Bit = STI.is64Bit();
bool IsLP64 = STI.isTarget64BitLP64();
bool UseLEA = STI.useLeaForSP();
@ -990,6 +992,7 @@ bool X86FrameLowering::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
X86MachineFunctionInfo *X86FI = MF.getInfo<X86MachineFunctionInfo>();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
// Push GPRs. It increases frame size.
unsigned Opc = STI.is64Bit() ? X86::PUSH64r : X86::PUSH32r;
@ -1039,6 +1042,7 @@ bool X86FrameLowering::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineFunction &MF = *MBB.getParent();
const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
// Reload XMMs from stack frame.
for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
@ -1167,6 +1171,7 @@ X86FrameLowering::adjustForSegmentedStacks(MachineFunction &MF) const {
MachineFrameInfo *MFI = MF.getFrameInfo();
const TargetInstrInfo &TII = *MF.getTarget().getInstrInfo();
uint64_t StackSize;
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
bool Is64Bit = STI.is64Bit();
unsigned TlsReg, TlsOffset;
DebugLoc DL;
@ -1378,6 +1383,7 @@ void X86FrameLowering::adjustForHiPEPrologue(MachineFunction &MF) const {
const unsigned SlotSize =
static_cast<const X86RegisterInfo *>(MF.getTarget().getRegisterInfo())
->getSlotSize();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
const bool Is64Bit = STI.is64Bit();
DebugLoc DL;
// HiPE-specific values
@ -1513,6 +1519,7 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
bool reseveCallFrame = hasReservedCallFrame(MF);
int Opcode = I->getOpcode();
bool isDestroy = Opcode == TII.getCallFrameDestroyOpcode();
const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
bool IsLP64 = STI.isTarget64BitLP64();
DebugLoc DL = I->getDebugLoc();
uint64_t Amount = !reseveCallFrame ? I->getOperand(0).getImm() : 0;

8
lib/Target/X86/X86FrameLowering.h
View File

@ -23,14 +23,10 @@ class MCSymbol;
class X86TargetMachine;
class X86FrameLowering : public TargetFrameLowering {
const X86Subtarget &STI;
public:
explicit X86FrameLowering(const X86Subtarget &sti)
: TargetFrameLowering(StackGrowsDown,
sti.getStackAlignment(),
(sti.is64Bit() ? -8 : -4)),
STI(sti) {
}
: TargetFrameLowering(StackGrowsDown, sti.getStackAlignment(),
(sti.is64Bit() ? -8 : -4)) {}
void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI, DebugLoc DL,