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fix formatting; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299307 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2017-04-01 18:40:30 +00:00
parent e02485adce
commit c1440de334
1 changed files with 35 additions and 34 deletions
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69
lib/Analysis/InstructionSimplify.cpp
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@ -887,27 +887,25 @@ static Value *SimplifyFSubInst(Value *Op0, Value *Op1, FastMathFlags FMF,
}
/// Given the operands for an FMul, see if we can fold the result
static Value *SimplifyFMulInst(Value *Op0, Value *Op1,
FastMathFlags FMF,
const Query &Q,
unsigned MaxRecurse) {
if (Constant *CLHS = dyn_cast<Constant>(Op0)) {
static Value *SimplifyFMulInst(Value *Op0, Value *Op1, FastMathFlags FMF,
const Query &Q, unsigned MaxRecurse) {
if (Constant *CLHS = dyn_cast<Constant>(Op0)) {
if (Constant *CRHS = dyn_cast<Constant>(Op1))
return ConstantFoldBinaryOpOperands(Instruction::FMul, CLHS, CRHS, Q.DL);
// Canonicalize the constant to the RHS.
std::swap(Op0, Op1);
}
}
// fmul X, 1.0 ==> X
if (match(Op1, m_FPOne()))
return Op0;
// fmul X, 1.0 ==> X
if (match(Op1, m_FPOne()))
return Op0;
// fmul nnan nsz X, 0 ==> 0
if (FMF.noNaNs() && FMF.noSignedZeros() && match(Op1, m_AnyZero()))
return Op1;
// fmul nnan nsz X, 0 ==> 0
if (FMF.noNaNs() && FMF.noSignedZeros() && match(Op1, m_AnyZero()))
return Op1;
return nullptr;
return nullptr;
}
/// Given operands for a Mul, see if we can fold the result.
@ -4112,38 +4110,41 @@ static Value *SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS,
const Query &Q, unsigned MaxRecurse) {
switch (Opcode) {
case Instruction::Add:
return SimplifyAddInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false,
Q, MaxRecurse);
return SimplifyAddInst(LHS, RHS, false, false, Q, MaxRecurse);
case Instruction::FAdd:
return SimplifyFAddInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::Sub:
return SimplifySubInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false,
Q, MaxRecurse);
return SimplifySubInst(LHS, RHS, false, false, Q, MaxRecurse);
case Instruction::FSub:
return SimplifyFSubInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::Mul: return SimplifyMulInst (LHS, RHS, Q, MaxRecurse);
case Instruction::Mul:
return SimplifyMulInst(LHS, RHS, Q, MaxRecurse);
case Instruction::FMul:
return SimplifyFMulInst (LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::SDiv: return SimplifySDivInst(LHS, RHS, Q, MaxRecurse);
case Instruction::UDiv: return SimplifyUDivInst(LHS, RHS, Q, MaxRecurse);
return SimplifyFMulInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::SDiv:
return SimplifySDivInst(LHS, RHS, Q, MaxRecurse);
case Instruction::UDiv:
return SimplifyUDivInst(LHS, RHS, Q, MaxRecurse);
case Instruction::FDiv:
return SimplifyFDivInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::SRem: return SimplifySRemInst(LHS, RHS, Q, MaxRecurse);
case Instruction::URem: return SimplifyURemInst(LHS, RHS, Q, MaxRecurse);
return SimplifyFDivInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::SRem:
return SimplifySRemInst(LHS, RHS, Q, MaxRecurse);
case Instruction::URem:
return SimplifyURemInst(LHS, RHS, Q, MaxRecurse);
case Instruction::FRem:
return SimplifyFRemInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
return SimplifyFRemInst(LHS, RHS, FastMathFlags(), Q, MaxRecurse);
case Instruction::Shl:
return SimplifyShlInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false,
Q, MaxRecurse);
return SimplifyShlInst(LHS, RHS, false, false, Q, MaxRecurse);
case Instruction::LShr:
return SimplifyLShrInst(LHS, RHS, /*isExact*/false, Q, MaxRecurse);
return SimplifyLShrInst(LHS, RHS, false, Q, MaxRecurse);
case Instruction::AShr:
return SimplifyAShrInst(LHS, RHS, /*isExact*/false, Q, MaxRecurse);
case Instruction::And: return SimplifyAndInst(LHS, RHS, Q, MaxRecurse);
case Instruction::Or: return SimplifyOrInst (LHS, RHS, Q, MaxRecurse);
case Instruction::Xor: return SimplifyXorInst(LHS, RHS, Q, MaxRecurse);
return SimplifyAShrInst(LHS, RHS, false, Q, MaxRecurse);
case Instruction::And:
return SimplifyAndInst(LHS, RHS, Q, MaxRecurse);
case Instruction::Or:
return SimplifyOrInst(LHS, RHS, Q, MaxRecurse);
case Instruction::Xor:
return SimplifyXorInst(LHS, RHS, Q, MaxRecurse);
default:
if (Constant *CLHS = dyn_cast<Constant>(LHS))
if (Constant *CRHS = dyn_cast<Constant>(RHS))