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[X86] Remove LEA16r references from X86FixupLEAs. NFCI

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As far as I know, we never emit LEA16r

llvm-svn: 359840
This commit is contained in:
Craig Topper 2019-05-02 22:46:23 +00:00
parent 4c479b950c
commit bdd0a08703
1 changed files with 2 additions and 9 deletions
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11
lib/Target/X86/X86FixupLEAs.cpp
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@ -183,8 +183,8 @@ FixupLEAPass::postRAConvertToLEA(MachineBasicBlock &MBB,
FunctionPass *llvm::createX86FixupLEAs() { return new FixupLEAPass(); }
static bool isLEA(unsigned Opcode) {
return Opcode == X86::LEA16r || Opcode == X86::LEA32r ||
Opcode == X86::LEA64r || Opcode == X86::LEA64_32r;
return Opcode == X86::LEA32r || Opcode == X86::LEA64r ||
Opcode == X86::LEA64_32r;
}
bool FixupLEAPass::runOnMachineFunction(MachineFunction &MF) {
@ -322,8 +322,6 @@ static inline unsigned getADDrrFromLEA(unsigned LEAOpcode) {
switch (LEAOpcode) {
default:
llvm_unreachable("Unexpected LEA instruction");
case X86::LEA16r:
return X86::ADD16rr;
case X86::LEA32r:
return X86::ADD32rr;
case X86::LEA64_32r:
@ -338,8 +336,6 @@ static inline unsigned getADDriFromLEA(unsigned LEAOpcode,
switch (LEAOpcode) {
default:
llvm_unreachable("Unexpected LEA instruction");
case X86::LEA16r:
return IsInt8 ? X86::ADD16ri8 : X86::ADD16ri;
case X86::LEA32r:
case X86::LEA64_32r:
return IsInt8 ? X86::ADD32ri8 : X86::ADD32ri;
@ -370,9 +366,6 @@ bool FixupLEAPass::fixupIncDec(MachineBasicBlock::iterator &I,
unsigned NewOpcode;
bool isINC = MI.getOperand(1 + X86::AddrDisp).getImm() == 1;
switch (MI.getOpcode()) {
case X86::LEA16r:
NewOpcode = isINC ? X86::INC16r : X86::DEC16r;
break;
case X86::LEA32r:
case X86::LEA64_32r:
NewOpcode = isINC ? X86::INC32r : X86::DEC32r;