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Completely eliminate def&use operands. Now a register operand is EITHER a

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def operand or a use operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30109 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-09-05 02:31:13 +00:00
parent 2926869b4a
commit 09e460662a
10 changed files with 78 additions and 106 deletions
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4
lib/Target/Sparc/SparcRegisterInfo.cpp
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@ -147,7 +147,7 @@ SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
if (Offset >= -4096 && Offset <= 4095) {
// If the offset is small enough to fit in the immediate field, directly
// encode it.
MI.getOperand(i).ChangeToRegister(SP::I6);
MI.getOperand(i).ChangeToRegister(SP::I6, false);
MI.getOperand(i+1).ChangeToImmediate(Offset);
} else {
// Otherwise, emit a G1 = SETHI %hi(offset). FIXME: it would be better to
@ -158,7 +158,7 @@ SparcRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II) const {
BuildMI(*MI.getParent(), II, SP::ADDrr, 2,
SP::G1).addReg(SP::G1).addReg(SP::I6);
// Insert: G1+%lo(offset) into the user.
MI.getOperand(i).ChangeToRegister(SP::G1);
MI.getOperand(i).ChangeToRegister(SP::G1, false);
MI.getOperand(i+1).ChangeToImmediate(Offset & ((1 << 10)-1));
}
}