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Remove unused variables.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-11-02 08:18:15 +00:00
parent 45430ac4f6
commit 4ab09d4bb7
1 changed files with 5 additions and 6 deletions
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11
lib/VMCore/ConstantFold.cpp
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@ -809,7 +809,7 @@ Constant *llvm::ConstantFoldCastInstruction(const Constant *V,
if (V->getType() == DestTy) return (Constant*)V;
// Cast of a global address to boolean is always true.
if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
if (isa<GlobalValue>(V)) {
if (DestTy == Type::BoolTy)
// FIXME: When we support 'external weak' references, we have to prevent
// this transformation from happening. This code will need to be updated
@ -962,7 +962,7 @@ Constant *llvm::ConstantFoldInsertElementInstruction(const Constant *Val,
const ConstantInt *CIdx = dyn_cast<ConstantInt>(Idx);
if (!CIdx) return 0;
uint64_t idxVal = CIdx->getZExtValue();
if (const UndefValue *UVal = dyn_cast<UndefValue>(Val)) {
if (isa<UndefValue>(Val)) {
// Insertion of scalar constant into packed undef
// Optimize away insertion of undef
if (isa<UndefValue>(Elt))
@ -980,8 +980,7 @@ Constant *llvm::ConstantFoldInsertElementInstruction(const Constant *Val,
}
return ConstantPacked::get(Ops);
}
if (const ConstantAggregateZero *CVal =
dyn_cast<ConstantAggregateZero>(Val)) {
if (isa<ConstantAggregateZero>(Val)) {
// Insertion of scalar constant into packed aggregate zero
// Optimize away insertion of zero
if (Elt->isNullValue())
@ -1387,7 +1386,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
}
if (const ConstantExpr *CE1 = dyn_cast<ConstantExpr>(V1)) {
if (const ConstantExpr *CE2 = dyn_cast<ConstantExpr>(V2)) {
if (isa<ConstantExpr>(V2)) {
// There are many possible foldings we could do here. We should probably
// at least fold add of a pointer with an integer into the appropriate
// getelementptr. This will improve alias analysis a bit.
@ -1444,7 +1443,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
}
}
} else if (const ConstantExpr *CE2 = dyn_cast<ConstantExpr>(V2)) {
} else if (isa<ConstantExpr>(V2)) {
// If V2 is a constant expr and V1 isn't, flop them around and fold the
// other way if possible.
switch (Opcode) {