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Eliminate all remaining tabs and trailing spaces.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22523 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeff Cohen
2005-07-27 06:12:32 +00:00
parent 54eed36da5
commit 00b16889ab
69 changed files with 1272 additions and 1272 deletions
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22
lib/Target/X86/X86PeepholeOpt.cpp
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@@ -30,7 +30,7 @@ namespace {
virtual bool runOnMachineFunction(MachineFunction &MF);
bool PeepholeOptimize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator &I);
MachineBasicBlock::iterator &I);
virtual const char *getPassName() const { return "X86 Peephole Optimizer"; }
};
@@ -44,17 +44,17 @@ bool PH::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::iterator BI = MF.begin(), E = MF.end(); BI != E; ++BI)
for (MachineBasicBlock::iterator I = BI->begin(); I != BI->end(); )
if (PeepholeOptimize(*BI, I)) {
Changed = true;
Changed = true;
++NumPHOpts;
} else
++I;
++I;
return Changed;
}
bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator &I) {
MachineBasicBlock::iterator &I) {
assert(I != MBB.end());
MachineBasicBlock::iterator NextI = next(I);
@@ -218,20 +218,20 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
if (MI->getOperand(1).isImmediate()) { // avoid mov EAX, <value>
int Val = MI->getOperand(1).getImmedValue();
if (Val == 0) { // mov EAX, 0 -> xor EAX, EAX
static const unsigned Opcode[] ={X86::XOR8rr,X86::XOR16rr,X86::XOR32rr};
unsigned Reg = MI->getOperand(0).getReg();
I = MBB.insert(MBB.erase(I),
static const unsigned Opcode[] ={X86::XOR8rr,X86::XOR16rr,X86::XOR32rr};
unsigned Reg = MI->getOperand(0).getReg();
I = MBB.insert(MBB.erase(I),
BuildMI(Opcode[Size], 2, Reg).addReg(Reg).addReg(Reg));
return true;
return true;
} else if (Val == -1) { // mov EAX, -1 -> or EAX, -1
// TODO: 'or Reg, -1' has a smaller encoding than 'mov Reg, -1'
// TODO: 'or Reg, -1' has a smaller encoding than 'mov Reg, -1'
}
}
return false;
#endif
case X86::BSWAP32r: // Change bswap EAX, bswap EAX into nothing
if (Next->getOpcode() == X86::BSWAP32r &&
MI->getOperand(0).getReg() == Next->getOperand(0).getReg()) {
MI->getOperand(0).getReg() == Next->getOperand(0).getReg()) {
I = MBB.erase(MBB.erase(I));
return true;
}
@@ -314,7 +314,7 @@ namespace {
virtual bool runOnMachineFunction(MachineFunction &MF);
bool PeepholeOptimize(MachineBasicBlock &MBB,
MachineBasicBlock::iterator &I);
MachineBasicBlock::iterator &I);
virtual const char *getPassName() const {
return "X86 SSA-based Peephole Optimizer";