| Index: lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
|
| diff --git a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
|
| index ecc9fc3e456066c80bc0dce119a6dcca93fa34d8..0ac0ca27acf60e548474d6663c4c895b9335fa61 100644
|
| --- a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
|
| +++ b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
|
| @@ -525,32 +525,31 @@ Instruction *InstCombiner::visitFMul(BinaryOperator &I) {
|
| }
|
|
|
| // B * (uitofp i1 C) -> select C, B, 0
|
| - if (I.hasNoNaNs() && I.hasNoInfs() && I.hasNoSignedZeros()) {
|
| - Value *LHS = Op0, *RHS = Op1;
|
| - Value *B, *C;
|
| - if (!match(RHS, m_UIToFp(m_Value(C))))
|
| - std::swap(LHS, RHS);
|
| -
|
| - if (match(RHS, m_UIToFp(m_Value(C))) && C->getType()->isIntegerTy(1)) {
|
| - B = LHS;
|
| - Value *Zero = ConstantFP::getNegativeZero(B->getType());
|
| - return SelectInst::Create(C, B, Zero);
|
| - }
|
| + if(I.hasNoNaNs() && I.hasNoInfs() && I.hasNoSignedZeros()) {
|
| + Value *LHS=Op0, *RHS=Op1;
|
| + Value *B, *C;
|
| + if (!match(RHS, m_UIToFp(m_Value(C))))
|
| + std::swap(LHS, RHS);
|
| +
|
| + if (match(RHS, m_UIToFp(m_Value(C)))) {
|
| + B=LHS;
|
| + Value *Zero = ConstantFP::getNegativeZero(B->getType());
|
| + return SelectInst::Create(C, B, Zero);
|
| + }
|
| }
|
|
|
| // A * (1 - uitofp i1 C) -> select C, 0, A
|
| - if (I.hasNoNaNs() && I.hasNoInfs() && I.hasNoSignedZeros()) {
|
| - Value *LHS = Op0, *RHS = Op1;
|
| - Value *A, *C;
|
| - if (!match(RHS, m_FSub(m_FPOne(), m_UIToFp(m_Value(C)))))
|
| - std::swap(LHS, RHS);
|
| -
|
| - if (match(RHS, m_FSub(m_FPOne(), m_UIToFp(m_Value(C)))) &&
|
| - C->getType()->isIntegerTy(1)) {
|
| - A = LHS;
|
| - Value *Zero = ConstantFP::getNegativeZero(A->getType());
|
| - return SelectInst::Create(C, Zero, A);
|
| - }
|
| + if(I.hasNoNaNs() && I.hasNoInfs() && I.hasNoSignedZeros()) {
|
| + Value *LHS=Op0, *RHS=Op1;
|
| + Value *A, *C;
|
| + if (!match(RHS, m_FSub(m_FPOne(), m_UIToFp(m_Value(C)))))
|
| + std::swap(LHS, RHS);
|
| +
|
| + if (match(RHS, m_FSub(m_FPOne(), m_UIToFp(m_Value(C))))) {
|
| + A=LHS;
|
| + Value *Zero = ConstantFP::getNegativeZero(A->getType());
|
| + return SelectInst::Create(C, Zero, A);
|
| + }
|
| }
|
|
|
| if (!isa<Constant>(Op1))
|
|
|