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[X86] Make a helper method into a static function local to the cpp file. 

llvm-svn: 281154
This commit is contained in:
Craig Topper 2016-09-11 05:33:35 +00:00
parent 11a3204355
commit 69be1bd352
2 changed files with 10 additions and 11 deletions
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18
llvm/lib/Target/X86/X86InstrInfo.cpp
View File

@ -5621,7 +5621,9 @@ static bool expandMOV32r1(MachineInstrBuilder &MIB, const TargetInstrInfo &TII,
return true;
}
bool X86InstrInfo::ExpandMOVImmSExti8(MachineInstrBuilder &MIB) const {
static bool ExpandMOVImmSExti8(MachineInstrBuilder &MIB,
const TargetInstrInfo &TII,
const X86Subtarget &Subtarget) {
MachineBasicBlock &MBB = *MIB->getParent();
DebugLoc DL = MIB->getDebugLoc();
int64_t Imm = MIB->getOperand(1).getImm();
@ -5638,23 +5640,23 @@ bool X86InstrInfo::ExpandMOVImmSExti8(MachineInstrBuilder &MIB) const {
X86MachineFunctionInfo *X86FI =
MBB.getParent()->getInfo<X86MachineFunctionInfo>();
if (X86FI->getUsesRedZone()) {
MIB->setDesc(get(MIB->getOpcode() == X86::MOV32ImmSExti8 ? X86::MOV32ri
: X86::MOV64ri));
MIB->setDesc(TII.get(MIB->getOpcode() ==
X86::MOV32ImmSExti8 ? X86::MOV32ri : X86::MOV64ri));
return true;
}
// 64-bit mode doesn't have 32-bit push/pop, so use 64-bit operations and
// widen the register if necessary.
StackAdjustment = 8;
BuildMI(MBB, I, DL, get(X86::PUSH64i8)).addImm(Imm);
MIB->setDesc(get(X86::POP64r));
BuildMI(MBB, I, DL, TII.get(X86::PUSH64i8)).addImm(Imm);
MIB->setDesc(TII.get(X86::POP64r));
MIB->getOperand(0)
.setReg(getX86SubSuperRegister(MIB->getOperand(0).getReg(), 64));
} else {
assert(MIB->getOpcode() == X86::MOV32ImmSExti8);
StackAdjustment = 4;
BuildMI(MBB, I, DL, get(X86::PUSH32i8)).addImm(Imm);
MIB->setDesc(get(X86::POP32r));
BuildMI(MBB, I, DL, TII.get(X86::PUSH32i8)).addImm(Imm);
MIB->setDesc(TII.get(X86::POP32r));
}
// Build CFI if necessary.
@ -5711,7 +5713,7 @@ bool X86InstrInfo::expandPostRAPseudo(MachineInstr &MI) const {
return expandMOV32r1(MIB, *this, /*MinusOne=*/ true);
case X86::MOV32ImmSExti8:
case X86::MOV64ImmSExti8:
return ExpandMOVImmSExti8(MIB);
return ExpandMOVImmSExti8(MIB, *this, Subtarget);
case X86::SETB_C8r:
return Expand2AddrUndef(MIB, get(X86::SBB8rr));
case X86::SETB_C16r:

3
llvm/lib/Target/X86/X86InstrInfo.h
View File

@ -584,9 +584,6 @@ private:
/// operand and follow operands form a reference to the stack frame.
bool isFrameOperand(const MachineInstr &MI, unsigned int Op,
int &FrameIndex) const;
/// Expand the MOVImmSExti8 pseudo-instructions.
bool ExpandMOVImmSExti8(MachineInstrBuilder &MIB) const;
};
} // End llvm namespace