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Diffstat (limited to 'lib/VMCore/IRBuilder.cpp')
-rw-r--r-- | lib/VMCore/IRBuilder.cpp | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/lib/VMCore/IRBuilder.cpp b/lib/VMCore/IRBuilder.cpp deleted file mode 100644 index 04f08fe..0000000 --- a/lib/VMCore/IRBuilder.cpp +++ /dev/null @@ -1,153 +0,0 @@ -//===---- IRBuilder.cpp - Builder for LLVM Instrs -------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the IRBuilder class, which is used as a convenient way -// to create LLVM instructions with a consistent and simplified interface. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Function.h" -#include "llvm/GlobalVariable.h" -#include "llvm/IRBuilder.h" -#include "llvm/Intrinsics.h" -#include "llvm/LLVMContext.h" -using namespace llvm; - -/// CreateGlobalString - Make a new global variable with an initializer that -/// has array of i8 type filled in with the nul terminated string value -/// specified. If Name is specified, it is the name of the global variable -/// created. -Value *IRBuilderBase::CreateGlobalString(StringRef Str, const Twine &Name) { - Constant *StrConstant = ConstantDataArray::getString(Context, Str); - Module &M = *BB->getParent()->getParent(); - GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(), - true, GlobalValue::PrivateLinkage, - StrConstant); - GV->setName(Name); - GV->setUnnamedAddr(true); - return GV; -} - -Type *IRBuilderBase::getCurrentFunctionReturnType() const { - assert(BB && BB->getParent() && "No current function!"); - return BB->getParent()->getReturnType(); -} - -Value *IRBuilderBase::getCastedInt8PtrValue(Value *Ptr) { - PointerType *PT = cast<PointerType>(Ptr->getType()); - if (PT->getElementType()->isIntegerTy(8)) - return Ptr; - - // Otherwise, we need to insert a bitcast. - PT = getInt8PtrTy(PT->getAddressSpace()); - BitCastInst *BCI = new BitCastInst(Ptr, PT, ""); - BB->getInstList().insert(InsertPt, BCI); - SetInstDebugLocation(BCI); - return BCI; -} - -static CallInst *createCallHelper(Value *Callee, ArrayRef<Value *> Ops, - IRBuilderBase *Builder) { - CallInst *CI = CallInst::Create(Callee, Ops, ""); - Builder->GetInsertBlock()->getInstList().insert(Builder->GetInsertPoint(),CI); - Builder->SetInstDebugLocation(CI); - return CI; -} - -CallInst *IRBuilderBase:: -CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align, - bool isVolatile, MDNode *TBAATag) { - Ptr = getCastedInt8PtrValue(Ptr); - Value *Ops[] = { Ptr, Val, Size, getInt32(Align), getInt1(isVolatile) }; - Type *Tys[] = { Ptr->getType(), Size->getType() }; - Module *M = BB->getParent()->getParent(); - Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memset, Tys); - - CallInst *CI = createCallHelper(TheFn, Ops, this); - - // Set the TBAA info if present. - if (TBAATag) - CI->setMetadata(LLVMContext::MD_tbaa, TBAATag); - - return CI; -} - -CallInst *IRBuilderBase:: -CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align, - bool isVolatile, MDNode *TBAATag, MDNode *TBAAStructTag) { - Dst = getCastedInt8PtrValue(Dst); - Src = getCastedInt8PtrValue(Src); - - Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) }; - Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() }; - Module *M = BB->getParent()->getParent(); - Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memcpy, Tys); - - CallInst *CI = createCallHelper(TheFn, Ops, this); - - // Set the TBAA info if present. - if (TBAATag) - CI->setMetadata(LLVMContext::MD_tbaa, TBAATag); - - // Set the TBAA Struct info if present. - if (TBAAStructTag) - CI->setMetadata(LLVMContext::MD_tbaa_struct, TBAAStructTag); - - return CI; -} - -CallInst *IRBuilderBase:: -CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align, - bool isVolatile, MDNode *TBAATag) { - Dst = getCastedInt8PtrValue(Dst); - Src = getCastedInt8PtrValue(Src); - - Value *Ops[] = { Dst, Src, Size, getInt32(Align), getInt1(isVolatile) }; - Type *Tys[] = { Dst->getType(), Src->getType(), Size->getType() }; - Module *M = BB->getParent()->getParent(); - Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::memmove, Tys); - - CallInst *CI = createCallHelper(TheFn, Ops, this); - - // Set the TBAA info if present. - if (TBAATag) - CI->setMetadata(LLVMContext::MD_tbaa, TBAATag); - - return CI; -} - -CallInst *IRBuilderBase::CreateLifetimeStart(Value *Ptr, ConstantInt *Size) { - assert(isa<PointerType>(Ptr->getType()) && - "lifetime.start only applies to pointers."); - Ptr = getCastedInt8PtrValue(Ptr); - if (!Size) - Size = getInt64(-1); - else - assert(Size->getType() == getInt64Ty() && - "lifetime.start requires the size to be an i64"); - Value *Ops[] = { Size, Ptr }; - Module *M = BB->getParent()->getParent(); - Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::lifetime_start); - return createCallHelper(TheFn, Ops, this); -} - -CallInst *IRBuilderBase::CreateLifetimeEnd(Value *Ptr, ConstantInt *Size) { - assert(isa<PointerType>(Ptr->getType()) && - "lifetime.end only applies to pointers."); - Ptr = getCastedInt8PtrValue(Ptr); - if (!Size) - Size = getInt64(-1); - else - assert(Size->getType() == getInt64Ty() && - "lifetime.end requires the size to be an i64"); - Value *Ops[] = { Size, Ptr }; - Module *M = BB->getParent()->getParent(); - Value *TheFn = Intrinsic::getDeclaration(M, Intrinsic::lifetime_end); - return createCallHelper(TheFn, Ops, this); -} |