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Changed insert instructions only for CONSTANTS - back to original

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1271 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ruchira Sasanka 2001-11-12 19:32:04 +00:00
parent 3438b21ebd
commit 061b8edb27
1 changed files with 7 additions and 5 deletions
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12
lib/Transforms/HoistPHIConstants.cpp
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@ -30,12 +30,12 @@ static Value *NormalizePhiOperand(PHINode *PN, Value *CPV,
// Check if we've already inserted a copy for this constant in Pred
// Note that `copyCache[Pred]' will create an empty vector the first time
//
//CachedCopyMap::iterator CCI = CopyCache.find(BBConstTy(Pred, CPV));
//if (CCI != CopyCache.end()) return CCI->second;
CachedCopyMap::iterator CCI = CopyCache.find(BBConstTy(Pred, CPV));
if (CCI != CopyCache.end()) return CCI->second;
// Create a copy instruction and add it to the cache...
CastInst *Inst = new CastInst(CPV, CPV->getType());
//CopyCache.insert(make_pair(BBConstTy(Pred, CPV), Inst));
CopyCache.insert(make_pair(BBConstTy(Pred, CPV), Inst));
// Insert the copy just before the terminator inst of the predecessor BB
assert(Pred->getTerminator() && "Degenerate BB encountered!");
@ -68,13 +68,15 @@ bool HoistPHIConstants::doHoistPHIConstants(Method *M) {
for (vector<PHINode*>::iterator PI=phis.begin(); PI != phis.end(); ++PI)
for (unsigned i = 0; i < (*PI)->getNumIncomingValues(); ++i)
{
//if (isa<ConstPoolVal>(Op)) {--- Do for all phi args -- Ruchira
Value *Op = (*PI)->getIncomingValue(i);
if (isa<ConstPoolVal>(Op)) {
(*PI)->setIncomingValue(i,
NormalizePhiOperand((*PI),
(*PI)->getIncomingValue(i),
(*PI)->getIncomingBlock(i), Cache));
Changed = true;
//}
}
}
}