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cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94995 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1589,24 +1589,24 @@ Instruction *InstCombiner::visitICmpInstWithCastAndCast(ICmpInst &ICI) {
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Instruction *InstCombiner::visitICmpInst(ICmpInst &I) {
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bool Changed = false;
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Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);
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/// Orders the operands of the compare so that they are listed from most
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/// complex to least complex. This puts constants before unary operators,
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/// before binary operators.
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if (getComplexity(I.getOperand(0)) < getComplexity(I.getOperand(1))) {
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if (getComplexity(Op0) < getComplexity(Op1)) {
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I.swapOperands();
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std::swap(Op0, Op1);
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Changed = true;
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}
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Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);
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if (Value *V = SimplifyICmpInst(I.getPredicate(), Op0, Op1, TD))
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return ReplaceInstUsesWith(I, V);
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const Type *Ty = Op0->getType();
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// icmp's with boolean values can always be turned into bitwise operations
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if (Ty == Type::getInt1Ty(I.getContext())) {
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if (Ty->isInteger(1)) {
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switch (I.getPredicate()) {
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default: llvm_unreachable("Invalid icmp instruction!");
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case ICmpInst::ICMP_EQ: { // icmp eq i1 A, B -> ~(A^B)
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