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Hacks to make this ugly ugly code work with the new use lists.

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llvm-svn: 19957
This commit is contained in:
Chris Lattner 2005-02-01 01:22:56 +00:00
parent fdbedbbb45
commit 849a4118e6
1 changed files with 12 additions and 17 deletions
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29
lib/Transforms/ExprTypeConvert.cpp
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@ -539,13 +539,14 @@ Value *llvm::ConvertExpressionToType(Value *V, const Type *Ty,
VMC.ExprMap[I] = Res;
unsigned NumUses = I->use_size();
//// WTF is this code! FIXME: remove this.
unsigned NumUses = I->getNumUses();
for (unsigned It = 0; It < NumUses; ) {
unsigned OldSize = NumUses;
Value::use_iterator UI = I->use_begin();
std::advance(UI, It);
ConvertOperandToType(*UI, I, Res, VMC, TD);
NumUses = I->use_size();
NumUses = I->getNumUses();
if (NumUses == OldSize) ++It;
}
@ -898,13 +899,14 @@ void llvm::ConvertValueToNewType(Value *V, Value *NewVal, ValueMapCache &VMC,
const TargetData &TD) {
ValueHandle VH(VMC, V);
unsigned NumUses = V->use_size();
// FIXME: This is horrible!
unsigned NumUses = V->getNumUses();
for (unsigned It = 0; It < NumUses; ) {
unsigned OldSize = NumUses;
Value::use_iterator UI = V->use_begin();
std::advance(UI, It);
ConvertOperandToType(*UI, V, NewVal, VMC, TD);
NumUses = V->use_size();
NumUses = V->getNumUses();
if (NumUses == OldSize) ++It;
}
}
@ -1237,22 +1239,15 @@ static void ConvertOperandToType(User *U, Value *OldVal, Value *NewVal,
if (I->getType() != Res->getType())
ConvertValueToNewType(I, Res, VMC, TD);
else {
bool FromStart = true;
Value::use_iterator UI;
while (1) {
if (FromStart) UI = I->use_begin();
if (UI == I->use_end()) break;
for (Value::use_iterator UI = I->use_begin(), E = I->use_end();
UI != E; )
if (isa<ValueHandle>(*UI)) {
++UI;
FromStart = false;
} else {
User *U = *UI;
if (!FromStart) --UI;
U->replaceUsesOfWith(I, Res);
if (!FromStart) ++UI;
Use &U = UI.getUse();
++UI; // Do not invalidate UI.
U.set(Res);
}
}
}
}
@ -1301,7 +1296,7 @@ ValueHandle::~ValueHandle() {
RecursiveDelete(Cache, dyn_cast<Instruction>(V));
} else {
//DEBUG(std::cerr << "VH RELEASING: " << (void*)Operands[0].get() << " "
// << Operands[0]->use_size() << " " << Operands[0]);
// << Operands[0]->getNumUses() << " " << Operands[0]);
}
}