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[InstCombine] Remove an if that should have been guaranteed by the caller. Replace with an assert. NFC

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llvm-svn: 306997
This commit is contained in:
Craig Topper 2017-07-03 05:54:11 +00:00
parent 8101679254
commit 6ccf4facf7
1 changed files with 2 additions and 4 deletions
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6
lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
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@ -80,16 +80,14 @@ static Value *getFCmpValue(unsigned Code, Value *LHS, Value *RHS,
/// \return Pointer to node that must replace the original binary operator, or
/// null pointer if no transformation was made.
Value *InstCombiner::SimplifyBSwap(BinaryOperator &I) {
assert(I.isBitwiseLogicOp() && "Unexpected opcode for bswap simplifying");
IntegerType *ITy = dyn_cast<IntegerType>(I.getType());
// Can't do vectors.
if (I.getType()->isVectorTy())
return nullptr;
// Can only do bitwise ops.
if (!I.isBitwiseLogicOp())
return nullptr;
Value *OldLHS = I.getOperand(0);
Value *OldRHS = I.getOperand(1);
ConstantInt *ConstLHS = dyn_cast<ConstantInt>(OldLHS);