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Rename RemoveCopiesFromValNo to TurnCopiesFromValNoToImpDefs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73479 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-06-16 07:15:05 +00:00
parent 67fcf56ac4
commit 7b11365787
2 changed files with 10 additions and 10 deletions
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12
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -963,11 +963,11 @@ bool SimpleRegisterCoalescing::CanCoalesceWithImpDef(MachineInstr *CopyMI,
}
/// RemoveCopiesFromValNo - The specified value# is defined by an implicit
/// def and it is being removed. Turn all copies from this value# into
/// implicit_defs.
void SimpleRegisterCoalescing::RemoveCopiesFromValNo(LiveInterval &li,
VNInfo *VNI) {
/// TurnCopiesFromValNoToImpDefs - The specified value# is defined by an
/// implicit_def and it is being removed. Turn all copies from this value#
/// into implicit_defs.
void SimpleRegisterCoalescing::TurnCopiesFromValNoToImpDefs(LiveInterval &li,
VNInfo *VNI) {
SmallVector<MachineInstr*, 4> ImpDefs;
MachineOperand *LastUse = NULL;
unsigned LastUseIdx = li_->getUseIndex(VNI->def);
@ -1775,7 +1775,7 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec &TheCopy, bool &Again) {
VNInfo *ImpVal = LR->valno;
assert(ImpVal->def == CopyIdx);
unsigned NextDef = LR->end;
RemoveCopiesFromValNo(*ResDstInt, ImpVal);
TurnCopiesFromValNoToImpDefs(*ResDstInt, ImpVal);
ResDstInt->removeValNo(ImpVal);
LR = ResDstInt->FindLiveRangeContaining(NextDef);
if (LR != ResDstInt->end() && LR->valno->def == NextDef) {

8
lib/CodeGen/SimpleRegisterCoalescing.h
View File

@ -219,10 +219,10 @@ namespace llvm {
bool CanCoalesceWithImpDef(MachineInstr *CopyMI,
LiveInterval &li, LiveInterval &ImpLi) const;
/// RemoveCopiesFromValNo - The specified value# is defined by an implicit
/// def and it is being removed. Turn all copies from this value# into
/// identity copies so they will be removed.
void RemoveCopiesFromValNo(LiveInterval &li, VNInfo *VNI);
/// TurnCopiesFromValNoToImpDefs - The specified value# is defined by an
/// implicit_def and it is being removed. Turn all copies from this value#
/// into implicit_defs.
void TurnCopiesFromValNoToImpDefs(LiveInterval &li, VNInfo *VNI);
/// isWinToJoinVRWithSrcPhysReg - Return true if it's worth while to join a
/// a virtual destination register with physical source register.