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fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not

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side-effect the current object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-12-08 06:06:26 +00:00
parent 87f8e49027
commit 34f849098b
2 changed files with 7 additions and 4 deletions
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2
include/llvm/Analysis/PHITransAddr.h
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@ -88,7 +88,7 @@ private:
/// PHITranslateSubExpr if it dominates PredBB, otherwise return null.
Value *GetAvailablePHITranslatedSubExpr(Value *V,
BasicBlock *CurBB, BasicBlock *PredBB,
const DominatorTree &DT);
const DominatorTree &DT) const;
/// InsertPHITranslatedSubExpr - Insert a computation of the PHI translated
/// version of 'V' for the edge PredBB->CurBB into the end of the PredBB

9
lib/Analysis/PHITransAddr.cpp
View File

@ -22,7 +22,7 @@ static bool CanPHITrans(Instruction *Inst) {
isa<GetElementPtrInst>(Inst))
return true;
if (Inst->getOpcode() == Instruction::And &&
if (Inst->getOpcode() == Instruction::Add &&
isa<ConstantInt>(Inst->getOperand(1)))
return true;
@ -205,9 +205,12 @@ bool PHITransAddr::PHITranslateValue(BasicBlock *CurBB, BasicBlock *PredBB) {
/// PHITranslateSubExpr if it dominates PredBB, otherwise return null.
Value *PHITransAddr::
GetAvailablePHITranslatedSubExpr(Value *V, BasicBlock *CurBB,BasicBlock *PredBB,
const DominatorTree &DT) {
const DominatorTree &DT) const {
PHITransAddr Tmp(V, TD);
Tmp.PHITranslateValue(CurBB, PredBB);
// See if PHI translation succeeds.
V = PHITranslateSubExpr(V, CurBB, PredBB);
V = Tmp.getAddr();
// Make sure the value is live in the predecessor.
if (Instruction *Inst = dyn_cast_or_null<Instruction>(V))