From 4cb9c6ade04ff9c26c3464d07719fafcb85eae8a Mon Sep 17 00:00:00 2001 From: Sanjay Patel Date: Wed, 9 Sep 2015 14:54:29 +0000 Subject: [PATCH] function names start with a lower case letter; NFC git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247150 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/InstCombineCasts.cpp | 108 +++++++++--------- 1 file changed, 54 insertions(+), 54 deletions(-) diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp index 41812e1de53..fabf80b3fd0 100644 --- a/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -25,7 +25,7 @@ using namespace PatternMatch; /// If so, decompose it, returning some value X, such that Val is /// X*Scale+Offset. /// -static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, +static Value *decomposeSimpleLinearExpr(Value *Val, unsigned &Scale, uint64_t &Offset) { if (ConstantInt *CI = dyn_cast(Val)) { Offset = CI->getZExtValue(); @@ -62,7 +62,7 @@ static Value *DecomposeSimpleLinearExpr(Value *Val, unsigned &Scale, // where C1 is divisible by C2. unsigned SubScale; Value *SubVal = - DecomposeSimpleLinearExpr(I->getOperand(0), SubScale, Offset); + decomposeSimpleLinearExpr(I->getOperand(0), SubScale, Offset); Offset += RHS->getZExtValue(); Scale = SubScale; return SubVal; @@ -114,7 +114,7 @@ Instruction *InstCombiner::PromoteCastOfAllocation(BitCastInst &CI, unsigned ArraySizeScale; uint64_t ArrayOffset; Value *NumElements = // See if the array size is a decomposable linear expr. - DecomposeSimpleLinearExpr(AI.getOperand(0), ArraySizeScale, ArrayOffset); + decomposeSimpleLinearExpr(AI.getOperand(0), ArraySizeScale, ArrayOffset); // If we can now satisfy the modulus, by using a non-1 scale, we really can // do the xform. @@ -328,7 +328,7 @@ Instruction *InstCombiner::commonCastTransforms(CastInst &CI) { /// /// This function works on both vectors and scalars. /// -static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, +static bool canEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, Instruction *CxtI) { // We can always evaluate constants in another type. if (isa(V)) @@ -358,8 +358,8 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, case Instruction::Or: case Instruction::Xor: // These operators can all arbitrarily be extended or truncated. - return CanEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI) && - CanEvaluateTruncated(I->getOperand(1), Ty, IC, CxtI); + return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI) && + canEvaluateTruncated(I->getOperand(1), Ty, IC, CxtI); case Instruction::UDiv: case Instruction::URem: { @@ -370,8 +370,8 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, APInt Mask = APInt::getHighBitsSet(OrigBitWidth, OrigBitWidth-BitWidth); if (IC.MaskedValueIsZero(I->getOperand(0), Mask, 0, CxtI) && IC.MaskedValueIsZero(I->getOperand(1), Mask, 0, CxtI)) { - return CanEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI) && - CanEvaluateTruncated(I->getOperand(1), Ty, IC, CxtI); + return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI) && + canEvaluateTruncated(I->getOperand(1), Ty, IC, CxtI); } } break; @@ -382,7 +382,7 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, if (ConstantInt *CI = dyn_cast(I->getOperand(1))) { uint32_t BitWidth = Ty->getScalarSizeInBits(); if (CI->getLimitedValue(BitWidth) < BitWidth) - return CanEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI); + return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI); } break; case Instruction::LShr: @@ -395,7 +395,7 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, if (IC.MaskedValueIsZero(I->getOperand(0), APInt::getHighBitsSet(OrigBitWidth, OrigBitWidth-BitWidth), 0, CxtI) && CI->getLimitedValue(BitWidth) < BitWidth) { - return CanEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI); + return canEvaluateTruncated(I->getOperand(0), Ty, IC, CxtI); } } break; @@ -409,8 +409,8 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, return true; case Instruction::Select: { SelectInst *SI = cast(I); - return CanEvaluateTruncated(SI->getTrueValue(), Ty, IC, CxtI) && - CanEvaluateTruncated(SI->getFalseValue(), Ty, IC, CxtI); + return canEvaluateTruncated(SI->getTrueValue(), Ty, IC, CxtI) && + canEvaluateTruncated(SI->getFalseValue(), Ty, IC, CxtI); } case Instruction::PHI: { // We can change a phi if we can change all operands. Note that we never @@ -418,7 +418,7 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty, InstCombiner &IC, // instructions with a single use. PHINode *PN = cast(I); for (Value *IncValue : PN->incoming_values()) - if (!CanEvaluateTruncated(IncValue, Ty, IC, CxtI)) + if (!canEvaluateTruncated(IncValue, Ty, IC, CxtI)) return false; return true; } @@ -456,7 +456,7 @@ Instruction *InstCombiner::visitTrunc(TruncInst &CI) { // expression tree to something weird like i93 unless the source is also // strange. if ((DestTy->isVectorTy() || ShouldChangeType(SrcTy, DestTy)) && - CanEvaluateTruncated(Src, DestTy, *this, &CI)) { + canEvaluateTruncated(Src, DestTy, *this, &CI)) { // If this cast is a truncate, evaluting in a different type always // eliminates the cast, so it is always a win. @@ -674,7 +674,7 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI, /// clear the top bits anyway, doing this has no extra cost. /// /// This function works on both vectors and scalars. -static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, +static bool canEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, InstCombiner &IC, Instruction *CxtI) { BitsToClear = 0; if (isa(V)) @@ -704,8 +704,8 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, case Instruction::Add: case Instruction::Sub: case Instruction::Mul: - if (!CanEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI) || - !CanEvaluateZExtd(I->getOperand(1), Ty, Tmp, IC, CxtI)) + if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI) || + !canEvaluateZExtd(I->getOperand(1), Ty, Tmp, IC, CxtI)) return false; // These can all be promoted if neither operand has 'bits to clear'. if (BitsToClear == 0 && Tmp == 0) @@ -732,7 +732,7 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, // We can promote shl(x, cst) if we can promote x. Since shl overwrites the // upper bits we can reduce BitsToClear by the shift amount. if (ConstantInt *Amt = dyn_cast(I->getOperand(1))) { - if (!CanEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI)) + if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI)) return false; uint64_t ShiftAmt = Amt->getZExtValue(); BitsToClear = ShiftAmt < BitsToClear ? BitsToClear - ShiftAmt : 0; @@ -743,7 +743,7 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, // We can promote lshr(x, cst) if we can promote x. This requires the // ultimate 'and' to clear out the high zero bits we're clearing out though. if (ConstantInt *Amt = dyn_cast(I->getOperand(1))) { - if (!CanEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI)) + if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI)) return false; BitsToClear += Amt->getZExtValue(); if (BitsToClear > V->getType()->getScalarSizeInBits()) @@ -753,8 +753,8 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, // Cannot promote variable LSHR. return false; case Instruction::Select: - if (!CanEvaluateZExtd(I->getOperand(1), Ty, Tmp, IC, CxtI) || - !CanEvaluateZExtd(I->getOperand(2), Ty, BitsToClear, IC, CxtI) || + if (!canEvaluateZExtd(I->getOperand(1), Ty, Tmp, IC, CxtI) || + !canEvaluateZExtd(I->getOperand(2), Ty, BitsToClear, IC, CxtI) || // TODO: If important, we could handle the case when the BitsToClear are // known zero in the disagreeing side. Tmp != BitsToClear) @@ -766,10 +766,10 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear, // get into trouble with cyclic PHIs here because we only consider // instructions with a single use. PHINode *PN = cast(I); - if (!CanEvaluateZExtd(PN->getIncomingValue(0), Ty, BitsToClear, IC, CxtI)) + if (!canEvaluateZExtd(PN->getIncomingValue(0), Ty, BitsToClear, IC, CxtI)) return false; for (unsigned i = 1, e = PN->getNumIncomingValues(); i != e; ++i) - if (!CanEvaluateZExtd(PN->getIncomingValue(i), Ty, Tmp, IC, CxtI) || + if (!canEvaluateZExtd(PN->getIncomingValue(i), Ty, Tmp, IC, CxtI) || // TODO: If important, we could handle the case when the BitsToClear // are known zero in the disagreeing input. Tmp != BitsToClear) @@ -806,7 +806,7 @@ Instruction *InstCombiner::visitZExt(ZExtInst &CI) { // strange. unsigned BitsToClear; if ((DestTy->isVectorTy() || ShouldChangeType(SrcTy, DestTy)) && - CanEvaluateZExtd(Src, DestTy, BitsToClear, *this, &CI)) { + canEvaluateZExtd(Src, DestTy, BitsToClear, *this, &CI)) { assert(BitsToClear < SrcTy->getScalarSizeInBits() && "Unreasonable BitsToClear"); @@ -1010,7 +1010,7 @@ Instruction *InstCombiner::transformSExtICmp(ICmpInst *ICI, Instruction &CI) { /// /// This function works on both vectors and scalars. /// -static bool CanEvaluateSExtd(Value *V, Type *Ty) { +static bool canEvaluateSExtd(Value *V, Type *Ty) { assert(V->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits() && "Can't sign extend type to a smaller type"); // If this is a constant, it can be trivially promoted. @@ -1040,15 +1040,15 @@ static bool CanEvaluateSExtd(Value *V, Type *Ty) { case Instruction::Sub: case Instruction::Mul: // These operators can all arbitrarily be extended if their inputs can. - return CanEvaluateSExtd(I->getOperand(0), Ty) && - CanEvaluateSExtd(I->getOperand(1), Ty); + return canEvaluateSExtd(I->getOperand(0), Ty) && + canEvaluateSExtd(I->getOperand(1), Ty); //case Instruction::Shl: TODO //case Instruction::LShr: TODO case Instruction::Select: - return CanEvaluateSExtd(I->getOperand(1), Ty) && - CanEvaluateSExtd(I->getOperand(2), Ty); + return canEvaluateSExtd(I->getOperand(1), Ty) && + canEvaluateSExtd(I->getOperand(2), Ty); case Instruction::PHI: { // We can change a phi if we can change all operands. Note that we never @@ -1056,7 +1056,7 @@ static bool CanEvaluateSExtd(Value *V, Type *Ty) { // instructions with a single use. PHINode *PN = cast(I); for (Value *IncValue : PN->incoming_values()) - if (!CanEvaluateSExtd(IncValue, Ty)) return false; + if (!canEvaluateSExtd(IncValue, Ty)) return false; return true; } default: @@ -1098,7 +1098,7 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { // expression tree to something weird like i93 unless the source is also // strange. if ((DestTy->isVectorTy() || ShouldChangeType(SrcTy, DestTy)) && - CanEvaluateSExtd(Src, DestTy)) { + canEvaluateSExtd(Src, DestTy)) { // Okay, we can transform this! Insert the new expression now. DEBUG(dbgs() << "ICE: EvaluateInDifferentType converting expression type" " to avoid sign extend: " << CI); @@ -1168,7 +1168,7 @@ Instruction *InstCombiner::visitSExt(SExtInst &CI) { /// Return a Constant* for the specified floating-point constant if it fits /// in the specified FP type without changing its value. -static Constant *FitsInFPType(ConstantFP *CFP, const fltSemantics &Sem) { +static Constant *fitsInFPType(ConstantFP *CFP, const fltSemantics &Sem) { bool losesInfo; APFloat F = CFP->getValueAPF(); (void)F.convert(Sem, APFloat::rmNearestTiesToEven, &losesInfo); @@ -1179,10 +1179,10 @@ static Constant *FitsInFPType(ConstantFP *CFP, const fltSemantics &Sem) { /// If this is a floating-point extension instruction, look /// through it until we get the source value. -static Value *LookThroughFPExtensions(Value *V) { +static Value *lookThroughFPExtensions(Value *V) { if (Instruction *I = dyn_cast(V)) if (I->getOpcode() == Instruction::FPExt) - return LookThroughFPExtensions(I->getOperand(0)); + return lookThroughFPExtensions(I->getOperand(0)); // If this value is a constant, return the constant in the smallest FP type // that can accurately represent it. This allows us to turn @@ -1191,14 +1191,14 @@ static Value *LookThroughFPExtensions(Value *V) { if (CFP->getType() == Type::getPPC_FP128Ty(V->getContext())) return V; // No constant folding of this. // See if the value can be truncated to half and then reextended. - if (Value *V = FitsInFPType(CFP, APFloat::IEEEhalf)) + if (Value *V = fitsInFPType(CFP, APFloat::IEEEhalf)) return V; // See if the value can be truncated to float and then reextended. - if (Value *V = FitsInFPType(CFP, APFloat::IEEEsingle)) + if (Value *V = fitsInFPType(CFP, APFloat::IEEEsingle)) return V; if (CFP->getType()->isDoubleTy()) return V; // Won't shrink. - if (Value *V = FitsInFPType(CFP, APFloat::IEEEdouble)) + if (Value *V = fitsInFPType(CFP, APFloat::IEEEdouble)) return V; // Don't try to shrink to various long double types. } @@ -1218,8 +1218,8 @@ Instruction *InstCombiner::visitFPTrunc(FPTruncInst &CI) { // is explained below in the various case statements. BinaryOperator *OpI = dyn_cast(CI.getOperand(0)); if (OpI && OpI->hasOneUse()) { - Value *LHSOrig = LookThroughFPExtensions(OpI->getOperand(0)); - Value *RHSOrig = LookThroughFPExtensions(OpI->getOperand(1)); + Value *LHSOrig = lookThroughFPExtensions(OpI->getOperand(0)); + Value *RHSOrig = lookThroughFPExtensions(OpI->getOperand(1)); unsigned OpWidth = OpI->getType()->getFPMantissaWidth(); unsigned LHSWidth = LHSOrig->getType()->getFPMantissaWidth(); unsigned RHSWidth = RHSOrig->getType()->getFPMantissaWidth(); @@ -1511,7 +1511,7 @@ Instruction *InstCombiner::visitPtrToInt(PtrToIntInst &CI) { /// Try to replace it with a shuffle (and vector/vector bitcast) if possible. /// /// The source and destination vector types may have different element types. -static Instruction *OptimizeVectorResize(Value *InVal, VectorType *DestTy, +static Instruction *optimizeVectorResize(Value *InVal, VectorType *DestTy, InstCombiner &IC) { // We can only do this optimization if the output is a multiple of the input // element size, or the input is a multiple of the output element size. @@ -1581,7 +1581,7 @@ static unsigned getTypeSizeIndex(unsigned Value, Type *Ty) { /// /// This returns false if the pattern can't be matched or true if it can, /// filling in Elements with the elements found here. -static bool CollectInsertionElements(Value *V, unsigned Shift, +static bool collectInsertionElements(Value *V, unsigned Shift, SmallVectorImpl &Elements, Type *VecEltTy, bool isBigEndian) { assert(isMultipleOfTypeSize(Shift, VecEltTy) && @@ -1618,7 +1618,7 @@ static bool CollectInsertionElements(Value *V, unsigned Shift, // If the constant is the size of a vector element, we just need to bitcast // it to the right type so it gets properly inserted. if (NumElts == 1) - return CollectInsertionElements(ConstantExpr::getBitCast(C, VecEltTy), + return collectInsertionElements(ConstantExpr::getBitCast(C, VecEltTy), Shift, Elements, VecEltTy, isBigEndian); // Okay, this is a constant that covers multiple elements. Slice it up into @@ -1634,7 +1634,7 @@ static bool CollectInsertionElements(Value *V, unsigned Shift, Constant *Piece = ConstantExpr::getLShr(C, ConstantInt::get(C->getType(), ShiftI)); Piece = ConstantExpr::getTrunc(Piece, ElementIntTy); - if (!CollectInsertionElements(Piece, ShiftI, Elements, VecEltTy, + if (!collectInsertionElements(Piece, ShiftI, Elements, VecEltTy, isBigEndian)) return false; } @@ -1648,19 +1648,19 @@ static bool CollectInsertionElements(Value *V, unsigned Shift, switch (I->getOpcode()) { default: return false; // Unhandled case. case Instruction::BitCast: - return CollectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, + return collectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, isBigEndian); case Instruction::ZExt: if (!isMultipleOfTypeSize( I->getOperand(0)->getType()->getPrimitiveSizeInBits(), VecEltTy)) return false; - return CollectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, + return collectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, isBigEndian); case Instruction::Or: - return CollectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, + return collectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, isBigEndian) && - CollectInsertionElements(I->getOperand(1), Shift, Elements, VecEltTy, + collectInsertionElements(I->getOperand(1), Shift, Elements, VecEltTy, isBigEndian); case Instruction::Shl: { // Must be shifting by a constant that is a multiple of the element size. @@ -1668,7 +1668,7 @@ static bool CollectInsertionElements(Value *V, unsigned Shift, if (!CI) return false; Shift += CI->getZExtValue(); if (!isMultipleOfTypeSize(Shift, VecEltTy)) return false; - return CollectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, + return collectInsertionElements(I->getOperand(0), Shift, Elements, VecEltTy, isBigEndian); } @@ -1690,13 +1690,13 @@ static bool CollectInsertionElements(Value *V, unsigned Shift, /// %tmp43 = bitcast i64 %ins35 to <2 x float> /// /// Into two insertelements that do "buildvector{%inc, %inc5}". -static Value *OptimizeIntegerToVectorInsertions(BitCastInst &CI, +static Value *optimizeIntegerToVectorInsertions(BitCastInst &CI, InstCombiner &IC) { VectorType *DestVecTy = cast(CI.getType()); Value *IntInput = CI.getOperand(0); SmallVector Elements(DestVecTy->getNumElements()); - if (!CollectInsertionElements(IntInput, 0, Elements, + if (!collectInsertionElements(IntInput, 0, Elements, DestVecTy->getElementType(), IC.getDataLayout().isBigEndian())) return nullptr; @@ -1718,7 +1718,7 @@ static Value *OptimizeIntegerToVectorInsertions(BitCastInst &CI, /// See if we can optimize an integer->float/double bitcast. /// The various long double bitcasts can't get in here. -static Instruction *OptimizeIntToFloatBitCast(BitCastInst &CI, InstCombiner &IC, +static Instruction *optimizeIntToFloatBitCast(BitCastInst &CI, InstCombiner &IC, const DataLayout &DL) { Value *Src = CI.getOperand(0); Type *DestTy = CI.getType(); @@ -1819,7 +1819,7 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) { // Try to optimize int -> float bitcasts. if ((DestTy->isFloatTy() || DestTy->isDoubleTy()) && isa(SrcTy)) - if (Instruction *I = OptimizeIntToFloatBitCast(CI, *this, DL)) + if (Instruction *I = optimizeIntToFloatBitCast(CI, *this, DL)) return I; if (VectorType *DestVTy = dyn_cast(DestTy)) { @@ -1838,7 +1838,7 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) { CastInst *SrcCast = cast(Src); if (BitCastInst *BCIn = dyn_cast(SrcCast->getOperand(0))) if (isa(BCIn->getOperand(0)->getType())) - if (Instruction *I = OptimizeVectorResize(BCIn->getOperand(0), + if (Instruction *I = optimizeVectorResize(BCIn->getOperand(0), cast(DestTy), *this)) return I; } @@ -1846,7 +1846,7 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) { // If the input is an 'or' instruction, we may be doing shifts and ors to // assemble the elements of the vector manually. Try to rip the code out // and replace it with insertelements. - if (Value *V = OptimizeIntegerToVectorInsertions(CI, *this)) + if (Value *V = optimizeIntegerToVectorInsertions(CI, *this)) return ReplaceInstUsesWith(CI, V); } } -- 2.34.1