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Remove redundant foldMemoryOperand variants and other code clean up.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44517 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-12-02 08:30:39 +00:00
parent 0465fb5663
commit aee4af68ae
19 changed files with 171 additions and 257 deletions
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6
lib/Target/Alpha/AlphaRegisterInfo.cpp
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@@ -153,8 +153,10 @@ void AlphaRegisterInfo::loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
}
MachineInstr *AlphaRegisterInfo::foldMemoryOperand(MachineInstr *MI,
unsigned OpNum,
SmallVectorImpl<unsigned> &Ops,
int FrameIndex) const {
if (Ops.size() != 1) return NULL;
// Make sure this is a reg-reg copy.
unsigned Opc = MI->getOpcode();
@@ -166,7 +168,7 @@ MachineInstr *AlphaRegisterInfo::foldMemoryOperand(MachineInstr *MI,
case Alpha::CPYSS:
case Alpha::CPYST:
if (MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) {
if (OpNum == 0) { // move -> store
if (Ops[0] == 0) { // move -> store
unsigned InReg = MI->getOperand(1).getReg();
Opc = (Opc == Alpha::BISr) ? Alpha::STQ :
((Opc == Alpha::CPYSS) ? Alpha::STS : Alpha::STT);