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Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-01-20 19:12:24 +00:00
parent a913f4fca9
commit 04ee5a1d92
32 changed files with 161 additions and 127 deletions
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lib/Target/PowerPC/PPCInstrInfo.cpp
+5 -1
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@@ -42,7 +42,11 @@ const TargetRegisterClass *PPCInstrInfo::getPointerRegClass() const {
bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
unsigned& sourceReg,
unsigned& destReg) const {
unsigned& destReg,
unsigned& sourceSubIdx,
unsigned& destSubIdx) const {
sourceSubIdx = destSubIdx = 0; // No sub-registers.
unsigned oc = MI.getOpcode();
if (oc == PPC::OR || oc == PPC::OR8 || oc == PPC::VOR ||
oc == PPC::OR4To8 || oc == PPC::OR8To4) { // or r1, r2, r2