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