diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp')
| -rw-r--r-- | contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp b/contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp index 30edf3b7aae4..5687afa61e2a 100644 --- a/contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp +++ b/contrib/llvm/lib/Transforms/Utils/IntegerDivision.cpp @@ -380,14 +380,10 @@ bool llvm::expandRemainder(BinaryOperator *Rem) { IRBuilder<> Builder(Rem); - Type *RemTy = Rem->getType(); - if (RemTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); - - unsigned RemTyBitWidth = RemTy->getIntegerBitWidth(); - - if (RemTyBitWidth != 32 && RemTyBitWidth != 64) - llvm_unreachable("Div of bitwidth other than 32 or 64 not supported"); + assert(!Rem->getType()->isVectorTy() && "Div over vectors not supported"); + assert((Rem->getType()->getIntegerBitWidth() == 32 || + Rem->getType()->getIntegerBitWidth() == 64) && + "Div of bitwidth other than 32 or 64 not supported"); // First prepare the sign if it's a signed remainder if (Rem->getOpcode() == Instruction::SRem) { @@ -401,7 +397,7 @@ bool llvm::expandRemainder(BinaryOperator *Rem) { // If we didn't actually generate an urem instruction, we're done // This happens for example if the input were constant. In this case the // Builder insertion point was unchanged - if (Rem == Builder.GetInsertPoint()) + if (Rem == Builder.GetInsertPoint().getNodePtrUnchecked()) return true; BinaryOperator *BO = dyn_cast<BinaryOperator>(Builder.GetInsertPoint()); @@ -440,14 +436,10 @@ bool llvm::expandDivision(BinaryOperator *Div) { IRBuilder<> Builder(Div); - Type *DivTy = Div->getType(); - if (DivTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); - - unsigned DivTyBitWidth = DivTy->getIntegerBitWidth(); - - if (DivTyBitWidth != 32 && DivTyBitWidth != 64) - llvm_unreachable("Div of bitwidth other than 32 or 64 not supported"); + assert(!Div->getType()->isVectorTy() && "Div over vectors not supported"); + assert((Div->getType()->getIntegerBitWidth() == 32 || + Div->getType()->getIntegerBitWidth() == 64) && + "Div of bitwidth other than 32 or 64 not supported"); // First prepare the sign if it's a signed division if (Div->getOpcode() == Instruction::SDiv) { @@ -461,7 +453,7 @@ bool llvm::expandDivision(BinaryOperator *Div) { // If we didn't actually generate an udiv instruction, we're done // This happens for example if the input were constant. In this case the // Builder insertion point was unchanged - if (Div == Builder.GetInsertPoint()) + if (Div == Builder.GetInsertPoint().getNodePtrUnchecked()) return true; BinaryOperator *BO = dyn_cast<BinaryOperator>(Builder.GetInsertPoint()); @@ -492,15 +484,14 @@ bool llvm::expandRemainderUpTo32Bits(BinaryOperator *Rem) { "Trying to expand remainder from a non-remainder function"); Type *RemTy = Rem->getType(); - if (RemTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); + assert(!RemTy->isVectorTy() && "Div over vectors not supported"); unsigned RemTyBitWidth = RemTy->getIntegerBitWidth(); - if (RemTyBitWidth > 32) - llvm_unreachable("Div of bitwidth greater than 32 not supported"); + assert(RemTyBitWidth <= 32 && + "Div of bitwidth greater than 32 not supported"); - if (RemTyBitWidth == 32) + if (RemTyBitWidth == 32) return expandRemainder(Rem); // If bitwidth smaller than 32 extend inputs, extend output and proceed @@ -542,15 +533,13 @@ bool llvm::expandRemainderUpTo64Bits(BinaryOperator *Rem) { "Trying to expand remainder from a non-remainder function"); Type *RemTy = Rem->getType(); - if (RemTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); + assert(!RemTy->isVectorTy() && "Div over vectors not supported"); unsigned RemTyBitWidth = RemTy->getIntegerBitWidth(); - if (RemTyBitWidth > 64) - llvm_unreachable("Div of bitwidth greater than 64 not supported"); + assert(RemTyBitWidth <= 64 && "Div of bitwidth greater than 64 not supported"); - if (RemTyBitWidth == 64) + if (RemTyBitWidth == 64) return expandRemainder(Rem); // If bitwidth smaller than 64 extend inputs, extend output and proceed @@ -593,13 +582,11 @@ bool llvm::expandDivisionUpTo32Bits(BinaryOperator *Div) { "Trying to expand division from a non-division function"); Type *DivTy = Div->getType(); - if (DivTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); + assert(!DivTy->isVectorTy() && "Div over vectors not supported"); unsigned DivTyBitWidth = DivTy->getIntegerBitWidth(); - if (DivTyBitWidth > 32) - llvm_unreachable("Div of bitwidth greater than 32 not supported"); + assert(DivTyBitWidth <= 32 && "Div of bitwidth greater than 32 not supported"); if (DivTyBitWidth == 32) return expandDivision(Div); @@ -643,13 +630,12 @@ bool llvm::expandDivisionUpTo64Bits(BinaryOperator *Div) { "Trying to expand division from a non-division function"); Type *DivTy = Div->getType(); - if (DivTy->isVectorTy()) - llvm_unreachable("Div over vectors not supported"); + assert(!DivTy->isVectorTy() && "Div over vectors not supported"); unsigned DivTyBitWidth = DivTy->getIntegerBitWidth(); - if (DivTyBitWidth > 64) - llvm_unreachable("Div of bitwidth greater than 64 not supported"); + assert(DivTyBitWidth <= 64 && + "Div of bitwidth greater than 64 not supported"); if (DivTyBitWidth == 64) return expandDivision(Div); |