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Diffstat (limited to 'gnu/llvm/tools/clang/lib/CodeGen/CGBuilder.h')
| -rw-r--r-- | gnu/llvm/tools/clang/lib/CodeGen/CGBuilder.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/gnu/llvm/tools/clang/lib/CodeGen/CGBuilder.h b/gnu/llvm/tools/clang/lib/CodeGen/CGBuilder.h deleted file mode 100644 index 654ef72060b..00000000000 --- a/gnu/llvm/tools/clang/lib/CodeGen/CGBuilder.h +++ /dev/null @@ -1,306 +0,0 @@ -//===-- CGBuilder.h - Choose IRBuilder implementation ----------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H -#define LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H - -#include "llvm/IR/DataLayout.h" -#include "llvm/IR/IRBuilder.h" -#include "Address.h" -#include "CodeGenTypeCache.h" - -namespace clang { -namespace CodeGen { - -class CodeGenFunction; - -/// This is an IRBuilder insertion helper that forwards to -/// CodeGenFunction::InsertHelper, which adds necessary metadata to -/// instructions. -class CGBuilderInserter : protected llvm::IRBuilderDefaultInserter { -public: - CGBuilderInserter() = default; - explicit CGBuilderInserter(CodeGenFunction *CGF) : CGF(CGF) {} - -protected: - /// This forwards to CodeGenFunction::InsertHelper. - void InsertHelper(llvm::Instruction *I, const llvm::Twine &Name, - llvm::BasicBlock *BB, - llvm::BasicBlock::iterator InsertPt) const; -private: - CodeGenFunction *CGF = nullptr; -}; - -typedef CGBuilderInserter CGBuilderInserterTy; - -typedef llvm::IRBuilder<llvm::ConstantFolder, CGBuilderInserterTy> - CGBuilderBaseTy; - -class CGBuilderTy : public CGBuilderBaseTy { - /// Storing a reference to the type cache here makes it a lot easier - /// to build natural-feeling, target-specific IR. - const CodeGenTypeCache &TypeCache; -public: - CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::LLVMContext &C) - : CGBuilderBaseTy(C), TypeCache(TypeCache) {} - CGBuilderTy(const CodeGenTypeCache &TypeCache, - llvm::LLVMContext &C, const llvm::ConstantFolder &F, - const CGBuilderInserterTy &Inserter) - : CGBuilderBaseTy(C, F, Inserter), TypeCache(TypeCache) {} - CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::Instruction *I) - : CGBuilderBaseTy(I), TypeCache(TypeCache) {} - CGBuilderTy(const CodeGenTypeCache &TypeCache, llvm::BasicBlock *BB) - : CGBuilderBaseTy(BB), TypeCache(TypeCache) {} - - llvm::ConstantInt *getSize(CharUnits N) { - return llvm::ConstantInt::get(TypeCache.SizeTy, N.getQuantity()); - } - llvm::ConstantInt *getSize(uint64_t N) { - return llvm::ConstantInt::get(TypeCache.SizeTy, N); - } - - // Note that we intentionally hide the CreateLoad APIs that don't - // take an alignment. - llvm::LoadInst *CreateLoad(Address Addr, const llvm::Twine &Name = "") { - return CreateAlignedLoad(Addr.getPointer(), - Addr.getAlignment().getQuantity(), - Name); - } - llvm::LoadInst *CreateLoad(Address Addr, const char *Name) { - // This overload is required to prevent string literals from - // ending up in the IsVolatile overload. - return CreateAlignedLoad(Addr.getPointer(), - Addr.getAlignment().getQuantity(), - Name); - } - llvm::LoadInst *CreateLoad(Address Addr, bool IsVolatile, - const llvm::Twine &Name = "") { - return CreateAlignedLoad(Addr.getPointer(), - Addr.getAlignment().getQuantity(), - IsVolatile, - Name); - } - - using CGBuilderBaseTy::CreateAlignedLoad; - llvm::LoadInst *CreateAlignedLoad(llvm::Value *Addr, CharUnits Align, - const llvm::Twine &Name = "") { - return CreateAlignedLoad(Addr, Align.getQuantity(), Name); - } - llvm::LoadInst *CreateAlignedLoad(llvm::Value *Addr, CharUnits Align, - const char *Name) { - return CreateAlignedLoad(Addr, Align.getQuantity(), Name); - } - llvm::LoadInst *CreateAlignedLoad(llvm::Type *Ty, llvm::Value *Addr, - CharUnits Align, - const llvm::Twine &Name = "") { - assert(Addr->getType()->getPointerElementType() == Ty); - return CreateAlignedLoad(Addr, Align.getQuantity(), Name); - } - - // Note that we intentionally hide the CreateStore APIs that don't - // take an alignment. - llvm::StoreInst *CreateStore(llvm::Value *Val, Address Addr, - bool IsVolatile = false) { - return CreateAlignedStore(Val, Addr.getPointer(), - Addr.getAlignment().getQuantity(), IsVolatile); - } - - using CGBuilderBaseTy::CreateAlignedStore; - llvm::StoreInst *CreateAlignedStore(llvm::Value *Val, llvm::Value *Addr, - CharUnits Align, bool IsVolatile = false) { - return CreateAlignedStore(Val, Addr, Align.getQuantity(), IsVolatile); - } - - // FIXME: these "default-aligned" APIs should be removed, - // but I don't feel like fixing all the builtin code right now. - llvm::StoreInst *CreateDefaultAlignedStore(llvm::Value *Val, - llvm::Value *Addr, - bool IsVolatile = false) { - return CGBuilderBaseTy::CreateStore(Val, Addr, IsVolatile); - } - - /// Emit a load from an i1 flag variable. - llvm::LoadInst *CreateFlagLoad(llvm::Value *Addr, - const llvm::Twine &Name = "") { - assert(Addr->getType()->getPointerElementType() == getInt1Ty()); - return CreateAlignedLoad(getInt1Ty(), Addr, CharUnits::One(), Name); - } - - /// Emit a store to an i1 flag variable. - llvm::StoreInst *CreateFlagStore(bool Value, llvm::Value *Addr) { - assert(Addr->getType()->getPointerElementType() == getInt1Ty()); - return CreateAlignedStore(getInt1(Value), Addr, CharUnits::One()); - } - - using CGBuilderBaseTy::CreateBitCast; - Address CreateBitCast(Address Addr, llvm::Type *Ty, - const llvm::Twine &Name = "") { - return Address(CreateBitCast(Addr.getPointer(), Ty, Name), - Addr.getAlignment()); - } - - using CGBuilderBaseTy::CreateAddrSpaceCast; - Address CreateAddrSpaceCast(Address Addr, llvm::Type *Ty, - const llvm::Twine &Name = "") { - return Address(CreateAddrSpaceCast(Addr.getPointer(), Ty, Name), - Addr.getAlignment()); - } - - /// Cast the element type of the given address to a different type, - /// preserving information like the alignment and address space. - Address CreateElementBitCast(Address Addr, llvm::Type *Ty, - const llvm::Twine &Name = "") { - auto PtrTy = Ty->getPointerTo(Addr.getAddressSpace()); - return CreateBitCast(Addr, PtrTy, Name); - } - - using CGBuilderBaseTy::CreatePointerBitCastOrAddrSpaceCast; - Address CreatePointerBitCastOrAddrSpaceCast(Address Addr, llvm::Type *Ty, - const llvm::Twine &Name = "") { - llvm::Value *Ptr = - CreatePointerBitCastOrAddrSpaceCast(Addr.getPointer(), Ty, Name); - return Address(Ptr, Addr.getAlignment()); - } - - using CGBuilderBaseTy::CreateStructGEP; - Address CreateStructGEP(Address Addr, unsigned Index, CharUnits Offset, - const llvm::Twine &Name = "") { - return Address(CreateStructGEP(Addr.getElementType(), - Addr.getPointer(), Index, Name), - Addr.getAlignment().alignmentAtOffset(Offset)); - } - Address CreateStructGEP(Address Addr, unsigned Index, - const llvm::StructLayout *Layout, - const llvm::Twine &Name = "") { - auto Offset = CharUnits::fromQuantity(Layout->getElementOffset(Index)); - return CreateStructGEP(Addr, Index, Offset, Name); - } - - /// Given - /// %addr = [n x T]* ... - /// produce - /// %name = getelementptr inbounds %addr, i64 0, i64 index - /// where i64 is actually the target word size. - /// - /// This API assumes that drilling into an array like this is always - /// an inbounds operation. - /// - /// \param EltSize - the size of the type T in bytes - Address CreateConstArrayGEP(Address Addr, uint64_t Index, CharUnits EltSize, - const llvm::Twine &Name = "") { - return Address(CreateInBoundsGEP(Addr.getPointer(), - {getSize(CharUnits::Zero()), - getSize(Index)}, - Name), - Addr.getAlignment().alignmentAtOffset(Index * EltSize)); - } - - /// Given - /// %addr = T* ... - /// produce - /// %name = getelementptr inbounds %addr, i64 index - /// where i64 is actually the target word size. - /// - /// \param EltSize - the size of the type T in bytes - Address CreateConstInBoundsGEP(Address Addr, uint64_t Index, - CharUnits EltSize, - const llvm::Twine &Name = "") { - return Address(CreateInBoundsGEP(Addr.getElementType(), Addr.getPointer(), - getSize(Index), Name), - Addr.getAlignment().alignmentAtOffset(Index * EltSize)); - } - - /// Given - /// %addr = T* ... - /// produce - /// %name = getelementptr inbounds %addr, i64 index - /// where i64 is actually the target word size. - /// - /// \param EltSize - the size of the type T in bytes - Address CreateConstGEP(Address Addr, uint64_t Index, CharUnits EltSize, - const llvm::Twine &Name = "") { - return Address(CreateGEP(Addr.getElementType(), Addr.getPointer(), - getSize(Index), Name), - Addr.getAlignment().alignmentAtOffset(Index * EltSize)); - } - - /// Given a pointer to i8, adjust it by a given constant offset. - Address CreateConstInBoundsByteGEP(Address Addr, CharUnits Offset, - const llvm::Twine &Name = "") { - assert(Addr.getElementType() == TypeCache.Int8Ty); - return Address(CreateInBoundsGEP(Addr.getPointer(), getSize(Offset), Name), - Addr.getAlignment().alignmentAtOffset(Offset)); - } - Address CreateConstByteGEP(Address Addr, CharUnits Offset, - const llvm::Twine &Name = "") { - assert(Addr.getElementType() == TypeCache.Int8Ty); - return Address(CreateGEP(Addr.getPointer(), getSize(Offset), Name), - Addr.getAlignment().alignmentAtOffset(Offset)); - } - - using CGBuilderBaseTy::CreateConstInBoundsGEP2_32; - Address CreateConstInBoundsGEP2_32(Address Addr, unsigned Idx0, - unsigned Idx1, const llvm::DataLayout &DL, - const llvm::Twine &Name = "") { - auto *GEP = cast<llvm::GetElementPtrInst>(CreateConstInBoundsGEP2_32( - Addr.getElementType(), Addr.getPointer(), Idx0, Idx1, Name)); - llvm::APInt Offset( - DL.getIndexSizeInBits(Addr.getType()->getPointerAddressSpace()), 0, - /*IsSigned=*/true); - if (!GEP->accumulateConstantOffset(DL, Offset)) - llvm_unreachable("offset of GEP with constants is always computable"); - return Address(GEP, Addr.getAlignment().alignmentAtOffset( - CharUnits::fromQuantity(Offset.getSExtValue()))); - } - - llvm::Value *CreateConstInBoundsByteGEP(llvm::Value *Ptr, CharUnits Offset, - const llvm::Twine &Name = "") { - assert(Ptr->getType()->getPointerElementType() == TypeCache.Int8Ty); - return CreateInBoundsGEP(Ptr, getSize(Offset), Name); - } - llvm::Value *CreateConstByteGEP(llvm::Value *Ptr, CharUnits Offset, - const llvm::Twine &Name = "") { - assert(Ptr->getType()->getPointerElementType() == TypeCache.Int8Ty); - return CreateGEP(Ptr, getSize(Offset), Name); - } - - using CGBuilderBaseTy::CreateMemCpy; - llvm::CallInst *CreateMemCpy(Address Dest, Address Src, llvm::Value *Size, - bool IsVolatile = false) { - return CreateMemCpy(Dest.getPointer(), Dest.getAlignment().getQuantity(), - Src.getPointer(), Src.getAlignment().getQuantity(), - Size,IsVolatile); - } - llvm::CallInst *CreateMemCpy(Address Dest, Address Src, uint64_t Size, - bool IsVolatile = false) { - return CreateMemCpy(Dest.getPointer(), Dest.getAlignment().getQuantity(), - Src.getPointer(), Src.getAlignment().getQuantity(), - Size, IsVolatile); - } - - using CGBuilderBaseTy::CreateMemMove; - llvm::CallInst *CreateMemMove(Address Dest, Address Src, llvm::Value *Size, - bool IsVolatile = false) { - return CreateMemMove(Dest.getPointer(), Dest.getAlignment().getQuantity(), - Src.getPointer(), Src.getAlignment().getQuantity(), - Size, IsVolatile); - } - - using CGBuilderBaseTy::CreateMemSet; - llvm::CallInst *CreateMemSet(Address Dest, llvm::Value *Value, - llvm::Value *Size, bool IsVolatile = false) { - return CreateMemSet(Dest.getPointer(), Value, Size, - Dest.getAlignment().getQuantity(), IsVolatile); - } -}; - -} // end namespace CodeGen -} // end namespace clang - -#endif |