#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include <cerrno>
/// otherwise TD is null.
static Constant *SymbolicallyEvaluateBinop(unsigned Opc, Constant *Op0,
Constant *Op1, const TargetData *TD,
- LLVMContext *Context){
+ LLVMContext &Context){
// SROA
// Fold (and 0xffffffff00000000, (shl x, 32)) -> shl.
if (IsConstantOffsetFromGlobal(Op1, GV2, Offs2, *TD) &&
GV1 == GV2) {
// (&GV+C1) - (&GV+C2) -> C1-C2, pointer arithmetic cannot overflow.
- return Context->getConstantInt(Op0->getType(), Offs1-Offs2);
+ return ConstantInt::get(Op0->getType(), Offs1-Offs2);
}
}
/// constant expression, do so.
static Constant *SymbolicallyEvaluateGEP(Constant* const* Ops, unsigned NumOps,
const Type *ResultTy,
- LLVMContext *Context,
+ LLVMContext &Context,
const TargetData *TD) {
Constant *Ptr = Ops[0];
if (!TD || !cast<PointerType>(Ptr->getType())->getElementType()->isSized())
uint64_t Offset = TD->getIndexedOffset(Ptr->getType(),
(Value**)Ops+1, NumOps-1);
- Constant *C = Context->getConstantInt(TD->getIntPtrType(), Offset+BasePtr);
- return Context->getConstantExprIntToPtr(C, ResultTy);
+ Constant *C = ConstantInt::get(TD->getIntPtrType(), Offset+BasePtr);
+ return ConstantExpr::getIntToPtr(C, ResultTy);
}
/// FoldBitCast - Constant fold bitcast, symbolically evaluating it with
/// targetdata. Return 0 if unfoldable.
static Constant *FoldBitCast(Constant *C, const Type *DestTy,
- const TargetData &TD, LLVMContext *Context) {
+ const TargetData &TD, LLVMContext &Context) {
// If this is a bitcast from constant vector -> vector, fold it.
if (ConstantVector *CV = dyn_cast<ConstantVector>(C)) {
if (const VectorType *DestVTy = dyn_cast<VectorType>(DestTy)) {
if (DstEltTy->isFloatingPoint()) {
// Fold to an vector of integers with same size as our FP type.
unsigned FPWidth = DstEltTy->getPrimitiveSizeInBits();
- const Type *DestIVTy = Context->getVectorType(
- Context->getIntegerType(FPWidth), NumDstElt);
+ const Type *DestIVTy = VectorType::get(
+ IntegerType::get(FPWidth), NumDstElt);
// Recursively handle this integer conversion, if possible.
C = FoldBitCast(C, DestIVTy, TD, Context);
if (!C) return 0;
// Finally, VMCore can handle this now that #elts line up.
- return Context->getConstantExprBitCast(C, DestTy);
+ return ConstantExpr::getBitCast(C, DestTy);
}
// Okay, we know the destination is integer, if the input is FP, convert
// it to integer first.
if (SrcEltTy->isFloatingPoint()) {
unsigned FPWidth = SrcEltTy->getPrimitiveSizeInBits();
- const Type *SrcIVTy = Context->getVectorType(
- Context->getIntegerType(FPWidth), NumSrcElt);
+ const Type *SrcIVTy = VectorType::get(
+ IntegerType::get(FPWidth), NumSrcElt);
// Ask VMCore to do the conversion now that #elts line up.
- C = Context->getConstantExprBitCast(C, SrcIVTy);
+ C = ConstantExpr::getBitCast(C, SrcIVTy);
CV = dyn_cast<ConstantVector>(C);
if (!CV) return 0; // If VMCore wasn't able to fold it, bail out.
}
SmallVector<Constant*, 32> Result;
if (NumDstElt < NumSrcElt) {
// Handle: bitcast (<4 x i32> <i32 0, i32 1, i32 2, i32 3> to <2 x i64>)
- Constant *Zero = Context->getNullValue(DstEltTy);
+ Constant *Zero = Constant::getNullValue(DstEltTy);
unsigned Ratio = NumSrcElt/NumDstElt;
unsigned SrcBitSize = SrcEltTy->getPrimitiveSizeInBits();
unsigned SrcElt = 0;
if (!Src) return 0; // Reject constantexpr elements.
// Zero extend the element to the right size.
- Src = Context->getConstantExprZExt(Src, Elt->getType());
+ Src = ConstantExpr::getZExt(Src, Elt->getType());
// Shift it to the right place, depending on endianness.
- Src = Context->getConstantExprShl(Src,
- Context->getConstantInt(Src->getType(), ShiftAmt));
+ Src = ConstantExpr::getShl(Src,
+ ConstantInt::get(Src->getType(), ShiftAmt));
ShiftAmt += isLittleEndian ? SrcBitSize : -SrcBitSize;
// Mix it in.
- Elt = Context->getConstantExprOr(Elt, Src);
+ Elt = ConstantExpr::getOr(Elt, Src);
}
Result.push_back(Elt);
}
for (unsigned j = 0; j != Ratio; ++j) {
// Shift the piece of the value into the right place, depending on
// endianness.
- Constant *Elt = Context->getConstantExprLShr(Src,
- Context->getConstantInt(Src->getType(), ShiftAmt));
+ Constant *Elt = ConstantExpr::getLShr(Src,
+ ConstantInt::get(Src->getType(), ShiftAmt));
ShiftAmt += isLittleEndian ? DstBitSize : -DstBitSize;
// Truncate and remember this piece.
- Result.push_back(Context->getConstantExprTrunc(Elt, DstEltTy));
+ Result.push_back(ConstantExpr::getTrunc(Elt, DstEltTy));
}
}
}
- return Context->getConstantVector(Result.data(), Result.size());
+ return ConstantVector::get(Result.data(), Result.size());
}
}
/// is returned. Note that this function can only fail when attempting to fold
/// instructions like loads and stores, which have no constant expression form.
///
-Constant *llvm::ConstantFoldInstruction(Instruction *I, LLVMContext *Context,
+Constant *llvm::ConstantFoldInstruction(Instruction *I, LLVMContext &Context,
const TargetData *TD) {
if (PHINode *PN = dyn_cast<PHINode>(I)) {
if (PN->getNumIncomingValues() == 0)
- return Context->getUndef(PN->getType());
+ return UndefValue::get(PN->getType());
Constant *Result = dyn_cast<Constant>(PN->getIncomingValue(0));
if (Result == 0) return 0;
/// using the specified TargetData. If successful, the constant result is
/// result is returned, if not, null is returned.
Constant *llvm::ConstantFoldConstantExpression(ConstantExpr *CE,
- LLVMContext *Context,
+ LLVMContext &Context,
const TargetData *TD) {
SmallVector<Constant*, 8> Ops;
for (User::op_iterator i = CE->op_begin(), e = CE->op_end(); i != e; ++i)
///
Constant *llvm::ConstantFoldInstOperands(unsigned Opcode, const Type *DestTy,
Constant* const* Ops, unsigned NumOps,
- LLVMContext *Context,
+ LLVMContext &Context,
const TargetData *TD) {
// Handle easy binops first.
if (Instruction::isBinaryOp(Opcode)) {
Context))
return C;
- return Context->getConstantExpr(Opcode, Ops[0], Ops[1]);
+ return ConstantExpr::get(Opcode, Ops[0], Ops[1]);
}
switch (Opcode) {
return 0;
case Instruction::ICmp:
case Instruction::FCmp:
- assert(0 &&"This function is invalid for compares: no predicate specified");
+ llvm_unreachable("This function is invalid for compares: no predicate specified");
case Instruction::PtrToInt:
// If the input is a inttoptr, eliminate the pair. This requires knowing
// the width of a pointer, so it can't be done in ConstantExpr::getCast.
unsigned InWidth = Input->getType()->getScalarSizeInBits();
if (TD->getPointerSizeInBits() < InWidth) {
Constant *Mask =
- Context->getConstantInt(APInt::getLowBitsSet(InWidth,
+ ConstantInt::get(Context, APInt::getLowBitsSet(InWidth,
TD->getPointerSizeInBits()));
- Input = Context->getConstantExprAnd(Input, Mask);
+ Input = ConstantExpr::getAnd(Input, Mask);
}
// Do a zext or trunc to get to the dest size.
- return Context->getConstantExprIntegerCast(Input, DestTy, false);
+ return ConstantExpr::getIntegerCast(Input, DestTy, false);
}
}
- return Context->getConstantExprCast(Opcode, Ops[0], DestTy);
+ return ConstantExpr::getCast(Opcode, Ops[0], DestTy);
case Instruction::IntToPtr:
// If the input is a ptrtoint, turn the pair into a ptr to ptr bitcast if
// the int size is >= the ptr size. This requires knowing the width of a
if (CE->getOpcode() == Instruction::PtrToInt) {
Constant *Input = CE->getOperand(0);
Constant *C = FoldBitCast(Input, DestTy, *TD, Context);
- return C ? C : Context->getConstantExprBitCast(Input, DestTy);
+ return C ? C : ConstantExpr::getBitCast(Input, DestTy);
}
// If there's a constant offset added to the integer value before
// it is casted back to a pointer, see if the expression can be
if (ElemIdx.ult(APInt(ElemIdx.getBitWidth(),
AT->getNumElements()))) {
Constant *Index[] = {
- Context->getNullValue(CE->getType()),
- Context->getConstantInt(ElemIdx)
+ Constant::getNullValue(CE->getType()),
+ ConstantInt::get(Context, ElemIdx)
};
return
- Context->getConstantExprGetElementPtr(GV, &Index[0], 2);
+ ConstantExpr::getGetElementPtr(GV, &Index[0], 2);
}
}
}
}
}
}
- return Context->getConstantExprCast(Opcode, Ops[0], DestTy);
+ return ConstantExpr::getCast(Opcode, Ops[0], DestTy);
case Instruction::Trunc:
case Instruction::ZExt:
case Instruction::SExt:
case Instruction::SIToFP:
case Instruction::FPToUI:
case Instruction::FPToSI:
- return Context->getConstantExprCast(Opcode, Ops[0], DestTy);
+ return ConstantExpr::getCast(Opcode, Ops[0], DestTy);
case Instruction::BitCast:
if (TD)
if (Constant *C = FoldBitCast(Ops[0], DestTy, *TD, Context))
return C;
- return Context->getConstantExprBitCast(Ops[0], DestTy);
+ return ConstantExpr::getBitCast(Ops[0], DestTy);
case Instruction::Select:
- return Context->getConstantExprSelect(Ops[0], Ops[1], Ops[2]);
+ return ConstantExpr::getSelect(Ops[0], Ops[1], Ops[2]);
case Instruction::ExtractElement:
- return Context->getConstantExprExtractElement(Ops[0], Ops[1]);
+ return ConstantExpr::getExtractElement(Ops[0], Ops[1]);
case Instruction::InsertElement:
- return Context->getConstantExprInsertElement(Ops[0], Ops[1], Ops[2]);
+ return ConstantExpr::getInsertElement(Ops[0], Ops[1], Ops[2]);
case Instruction::ShuffleVector:
- return Context->getConstantExprShuffleVector(Ops[0], Ops[1], Ops[2]);
+ return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
case Instruction::GetElementPtr:
if (Constant *C = SymbolicallyEvaluateGEP(Ops, NumOps, DestTy, Context, TD))
return C;
- return Context->getConstantExprGetElementPtr(Ops[0], Ops+1, NumOps-1);
+ return ConstantExpr::getGetElementPtr(Ops[0], Ops+1, NumOps-1);
}
}
Constant *llvm::ConstantFoldCompareInstOperands(unsigned Predicate,
Constant*const * Ops,
unsigned NumOps,
- LLVMContext *Context,
+ LLVMContext &Context,
const TargetData *TD) {
// fold: icmp (inttoptr x), null -> icmp x, 0
// fold: icmp (ptrtoint x), 0 -> icmp x, null
if (CE0->getOpcode() == Instruction::IntToPtr) {
// Convert the integer value to the right size to ensure we get the
// proper extension or truncation.
- Constant *C = Context->getConstantExprIntegerCast(CE0->getOperand(0),
+ Constant *C = ConstantExpr::getIntegerCast(CE0->getOperand(0),
IntPtrTy, false);
- Constant *NewOps[] = { C, Context->getNullValue(C->getType()) };
+ Constant *NewOps[] = { C, Constant::getNullValue(C->getType()) };
return ConstantFoldCompareInstOperands(Predicate, NewOps, 2,
Context, TD);
}
if (CE0->getOpcode() == Instruction::PtrToInt &&
CE0->getType() == IntPtrTy) {
Constant *C = CE0->getOperand(0);
- Constant *NewOps[] = { C, Context->getNullValue(C->getType()) };
+ Constant *NewOps[] = { C, Constant::getNullValue(C->getType()) };
// FIXME!
return ConstantFoldCompareInstOperands(Predicate, NewOps, 2,
Context, TD);
if (CE0->getOpcode() == Instruction::IntToPtr) {
// Convert the integer value to the right size to ensure we get the
// proper extension or truncation.
- Constant *C0 = Context->getConstantExprIntegerCast(CE0->getOperand(0),
+ Constant *C0 = ConstantExpr::getIntegerCast(CE0->getOperand(0),
IntPtrTy, false);
- Constant *C1 = Context->getConstantExprIntegerCast(CE1->getOperand(0),
+ Constant *C1 = ConstantExpr::getIntegerCast(CE1->getOperand(0),
IntPtrTy, false);
Constant *NewOps[] = { C0, C1 };
return ConstantFoldCompareInstOperands(Predicate, NewOps, 2,
}
}
}
- return Context->getConstantExprCompare(Predicate, Ops[0], Ops[1]);
+ return ConstantExpr::getCompare(Predicate, Ops[0], Ops[1]);
}
/// constant expression, or null if something is funny and we can't decide.
Constant *llvm::ConstantFoldLoadThroughGEPConstantExpr(Constant *C,
ConstantExpr *CE,
- LLVMContext *Context) {
- if (CE->getOperand(1) != Context->getNullValue(CE->getOperand(1)->getType()))
+ LLVMContext &Context) {
+ if (CE->getOperand(1) != Constant::getNullValue(CE->getOperand(1)->getType()))
return 0; // Do not allow stepping over the value!
// Loop over all of the operands, tracking down which value we are
if (ConstantStruct *CS = dyn_cast<ConstantStruct>(C)) {
C = CS->getOperand(El);
} else if (isa<ConstantAggregateZero>(C)) {
- C = Context->getNullValue(STy->getElementType(El));
+ C = Constant::getNullValue(STy->getElementType(El));
} else if (isa<UndefValue>(C)) {
- C = Context->getUndef(STy->getElementType(El));
+ C = UndefValue::get(STy->getElementType(El));
} else {
return 0;
}
if (ConstantArray *CA = dyn_cast<ConstantArray>(C))
C = CA->getOperand(CI->getZExtValue());
else if (isa<ConstantAggregateZero>(C))
- C = Context->getNullValue(ATy->getElementType());
+ C = Constant::getNullValue(ATy->getElementType());
else if (isa<UndefValue>(C))
- C = Context->getUndef(ATy->getElementType());
+ C = UndefValue::get(ATy->getElementType());
else
return 0;
} else if (const VectorType *PTy = dyn_cast<VectorType>(*I)) {
if (ConstantVector *CP = dyn_cast<ConstantVector>(C))
C = CP->getOperand(CI->getZExtValue());
else if (isa<ConstantAggregateZero>(C))
- C = Context->getNullValue(PTy->getElementType());
+ C = Constant::getNullValue(PTy->getElementType());
else if (isa<UndefValue>(C))
- C = Context->getUndef(PTy->getElementType());
+ C = UndefValue::get(PTy->getElementType());
else
return 0;
} else {
}
if (!F->hasName()) return false;
- const char *Str = F->getNameStart();
- unsigned Len = F->getNameLen();
+ StringRef Name = F->getName();
// In these cases, the check of the length is required. We don't want to
// return true for a name like "cos\0blah" which strcmp would return equal to
// "cos", but has length 8.
- switch (Str[0]) {
+ switch (Name[0]) {
default: return false;
case 'a':
- if (Len == 4)
- return !strcmp(Str, "acos") || !strcmp(Str, "asin") ||
- !strcmp(Str, "atan");
- else if (Len == 5)
- return !strcmp(Str, "atan2");
- return false;
+ return Name == "acos" || Name == "asin" ||
+ Name == "atan" || Name == "atan2";
case 'c':
- if (Len == 3)
- return !strcmp(Str, "cos");
- else if (Len == 4)
- return !strcmp(Str, "ceil") || !strcmp(Str, "cosf") ||
- !strcmp(Str, "cosh");
- return false;
+ return Name == "cos" || Name == "ceil" || Name == "cosf" || Name == "cosh";
case 'e':
- if (Len == 3)
- return !strcmp(Str, "exp");
- return false;
+ return Name == "exp";
case 'f':
- if (Len == 4)
- return !strcmp(Str, "fabs") || !strcmp(Str, "fmod");
- else if (Len == 5)
- return !strcmp(Str, "floor");
- return false;
- break;
+ return Name == "fabs" || Name == "fmod" || Name == "floor";
case 'l':
- if (Len == 3 && !strcmp(Str, "log"))
- return true;
- if (Len == 5 && !strcmp(Str, "log10"))
- return true;
- return false;
+ return Name == "log" || Name == "log10";
case 'p':
- if (Len == 3 && !strcmp(Str, "pow"))
- return true;
- return false;
+ return Name == "pow";
case 's':
- if (Len == 3)
- return !strcmp(Str, "sin");
- if (Len == 4)
- return !strcmp(Str, "sinh") || !strcmp(Str, "sqrt") ||
- !strcmp(Str, "sinf");
- if (Len == 5)
- return !strcmp(Str, "sqrtf");
- return false;
+ return Name == "sin" || Name == "sinh" || Name == "sqrt" ||
+ Name == "sinf" || Name == "sqrtf";
case 't':
- if (Len == 3 && !strcmp(Str, "tan"))
- return true;
- else if (Len == 4 && !strcmp(Str, "tanh"))
- return true;
- return false;
+ return Name == "tan" || Name == "tanh";
}
}
static Constant *ConstantFoldFP(double (*NativeFP)(double), double V,
- const Type *Ty, LLVMContext *Context) {
+ const Type *Ty, LLVMContext &Context) {
errno = 0;
V = NativeFP(V);
if (errno != 0) {
}
if (Ty == Type::FloatTy)
- return Context->getConstantFP(APFloat((float)V));
+ return ConstantFP::get(Context, APFloat((float)V));
if (Ty == Type::DoubleTy)
- return Context->getConstantFP(APFloat(V));
- assert(0 && "Can only constant fold float/double");
+ return ConstantFP::get(Context, APFloat(V));
+ llvm_unreachable("Can only constant fold float/double");
return 0; // dummy return to suppress warning
}
static Constant *ConstantFoldBinaryFP(double (*NativeFP)(double, double),
double V, double W,
const Type *Ty,
- LLVMContext *Context) {
+ LLVMContext &Context) {
errno = 0;
V = NativeFP(V, W);
if (errno != 0) {
}
if (Ty == Type::FloatTy)
- return Context->getConstantFP(APFloat((float)V));
+ return ConstantFP::get(Context, APFloat((float)V));
if (Ty == Type::DoubleTy)
- return Context->getConstantFP(APFloat(V));
- assert(0 && "Can only constant fold float/double");
+ return ConstantFP::get(Context, APFloat(V));
+ llvm_unreachable("Can only constant fold float/double");
return 0; // dummy return to suppress warning
}
llvm::ConstantFoldCall(Function *F,
Constant* const* Operands, unsigned NumOperands) {
if (!F->hasName()) return 0;
- LLVMContext *Context = F->getContext();
- const char *Str = F->getNameStart();
- unsigned Len = F->getNameLen();
+ LLVMContext &Context = F->getContext();
+ StringRef Name = F->getName();
const Type *Ty = F->getReturnType();
if (NumOperands == 1) {
/// f(arg). Long double not supported yet.
double V = Ty==Type::FloatTy ? (double)Op->getValueAPF().convertToFloat():
Op->getValueAPF().convertToDouble();
- switch (Str[0]) {
+ switch (Name[0]) {
case 'a':
- if (Len == 4 && !strcmp(Str, "acos"))
+ if (Name == "acos")
return ConstantFoldFP(acos, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "asin"))
+ else if (Name == "asin")
return ConstantFoldFP(asin, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "atan"))
+ else if (Name == "atan")
return ConstantFoldFP(atan, V, Ty, Context);
break;
case 'c':
- if (Len == 4 && !strcmp(Str, "ceil"))
+ if (Name == "ceil")
return ConstantFoldFP(ceil, V, Ty, Context);
- else if (Len == 3 && !strcmp(Str, "cos"))
+ else if (Name == "cos")
return ConstantFoldFP(cos, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "cosh"))
+ else if (Name == "cosh")
return ConstantFoldFP(cosh, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "cosf"))
+ else if (Name == "cosf")
return ConstantFoldFP(cos, V, Ty, Context);
break;
case 'e':
- if (Len == 3 && !strcmp(Str, "exp"))
+ if (Name == "exp")
return ConstantFoldFP(exp, V, Ty, Context);
break;
case 'f':
- if (Len == 4 && !strcmp(Str, "fabs"))
+ if (Name == "fabs")
return ConstantFoldFP(fabs, V, Ty, Context);
- else if (Len == 5 && !strcmp(Str, "floor"))
+ else if (Name == "floor")
return ConstantFoldFP(floor, V, Ty, Context);
break;
case 'l':
- if (Len == 3 && !strcmp(Str, "log") && V > 0)
+ if (Name == "log" && V > 0)
return ConstantFoldFP(log, V, Ty, Context);
- else if (Len == 5 && !strcmp(Str, "log10") && V > 0)
+ else if (Name == "log10" && V > 0)
return ConstantFoldFP(log10, V, Ty, Context);
- else if (!strcmp(Str, "llvm.sqrt.f32") ||
- !strcmp(Str, "llvm.sqrt.f64")) {
+ else if (Name == "llvm.sqrt.f32" ||
+ Name == "llvm.sqrt.f64") {
if (V >= -0.0)
return ConstantFoldFP(sqrt, V, Ty, Context);
else // Undefined
- return Context->getNullValue(Ty);
+ return Constant::getNullValue(Ty);
}
break;
case 's':
- if (Len == 3 && !strcmp(Str, "sin"))
+ if (Name == "sin")
return ConstantFoldFP(sin, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "sinh"))
+ else if (Name == "sinh")
return ConstantFoldFP(sinh, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "sqrt") && V >= 0)
+ else if (Name == "sqrt" && V >= 0)
return ConstantFoldFP(sqrt, V, Ty, Context);
- else if (Len == 5 && !strcmp(Str, "sqrtf") && V >= 0)
+ else if (Name == "sqrtf" && V >= 0)
return ConstantFoldFP(sqrt, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "sinf"))
+ else if (Name == "sinf")
return ConstantFoldFP(sin, V, Ty, Context);
break;
case 't':
- if (Len == 3 && !strcmp(Str, "tan"))
+ if (Name == "tan")
return ConstantFoldFP(tan, V, Ty, Context);
- else if (Len == 4 && !strcmp(Str, "tanh"))
+ else if (Name == "tanh")
return ConstantFoldFP(tanh, V, Ty, Context);
break;
default:
break;
}
} else if (ConstantInt *Op = dyn_cast<ConstantInt>(Operands[0])) {
- if (Len > 11 && !memcmp(Str, "llvm.bswap", 10))
- return Context->getConstantInt(Op->getValue().byteSwap());
- else if (Len > 11 && !memcmp(Str, "llvm.ctpop", 10))
- return Context->getConstantInt(Ty, Op->getValue().countPopulation());
- else if (Len > 10 && !memcmp(Str, "llvm.cttz", 9))
- return Context->getConstantInt(Ty, Op->getValue().countTrailingZeros());
- else if (Len > 10 && !memcmp(Str, "llvm.ctlz", 9))
- return Context->getConstantInt(Ty, Op->getValue().countLeadingZeros());
+ if (Name.startswith("llvm.bswap"))
+ return ConstantInt::get(Context, Op->getValue().byteSwap());
+ else if (Name.startswith("llvm.ctpop"))
+ return ConstantInt::get(Ty, Op->getValue().countPopulation());
+ else if (Name.startswith("llvm.cttz"))
+ return ConstantInt::get(Ty, Op->getValue().countTrailingZeros());
+ else if (Name.startswith("llvm.ctlz"))
+ return ConstantInt::get(Ty, Op->getValue().countLeadingZeros());
}
} else if (NumOperands == 2) {
if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) {
(double)Op2->getValueAPF().convertToFloat():
Op2->getValueAPF().convertToDouble();
- if (Len == 3 && !strcmp(Str, "pow")) {
+ if (Name == "pow") {
return ConstantFoldBinaryFP(pow, Op1V, Op2V, Ty, Context);
- } else if (Len == 4 && !strcmp(Str, "fmod")) {
+ } else if (Name == "fmod") {
return ConstantFoldBinaryFP(fmod, Op1V, Op2V, Ty, Context);
- } else if (Len == 5 && !strcmp(Str, "atan2")) {
+ } else if (Name == "atan2") {
return ConstantFoldBinaryFP(atan2, Op1V, Op2V, Ty, Context);
}
} else if (ConstantInt *Op2C = dyn_cast<ConstantInt>(Operands[1])) {
- if (!strcmp(Str, "llvm.powi.f32")) {
- return Context->getConstantFP(APFloat((float)std::pow((float)Op1V,
+ if (Name == "llvm.powi.f32") {
+ return ConstantFP::get(Context, APFloat((float)std::pow((float)Op1V,
(int)Op2C->getZExtValue())));
- } else if (!strcmp(Str, "llvm.powi.f64")) {
- return Context->getConstantFP(APFloat((double)std::pow((double)Op1V,
+ } else if (Name == "llvm.powi.f64") {
+ return ConstantFP::get(Context, APFloat((double)std::pow((double)Op1V,
(int)Op2C->getZExtValue())));
}
}