6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-13 22:24:07 +00:00
Code Issues Projects Releases Wiki Activity

Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-19 21:49:54 +00:00
parent d1b2c5b34d
commit b371f457b0
23 changed files with 334 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/CodeGen/MachineInstr.cpp
View File

@ -180,6 +180,17 @@ MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg) {
return NULL;
}
/// findRegisterDefOperand() - Returns the MachineOperand that is a def of
/// the specific register or NULL if it is not found.
MachineOperand *MachineInstr::findRegisterDefOperand(unsigned Reg) {
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
MachineOperand &MO = getOperand(i);
if (MO.isReg() && MO.isDef() && MO.getReg() == Reg)
return &MO;
}
return NULL;
}
/// copyKillDeadInfo - Copies kill / dead operand properties from MI.
///
void MachineInstr::copyKillDeadInfo(const MachineInstr *MI) {