//
//===----------------------------------------------------------------------===//
-#include "llvm/Support/IRBuilder.h"
+#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
-#include "llvm/Metadata.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 the the nul terminated string value
+/// 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(const char *Str, const Twine &Name) {
- Constant *StrConstant = ConstantArray::get(Context, Str, true);
+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::InternalLinkage,
- StrConstant, "", 0, false);
+ true, GlobalValue::PrivateLinkage,
+ StrConstant);
GV->setName(Name);
+ GV->setUnnamedAddr(true);
return GV;
}
-/// SetCurrentDebugLocation - Set location information used by debugging
-/// information.
-void IRBuilderBase::SetCurrentDebugLocation(MDNode *L) {
- if (DbgMDKind == 0)
- DbgMDKind = Context.getMetadata().getMDKindID("dbg");
- CurDbgLocation = L;
+Type *IRBuilderBase::getCurrentFunctionReturnType() const {
+ assert(BB && BB->getParent() && "No current function!");
+ return BB->getParent()->getReturnType();
}
-void IRBuilderBase::SetInstDebugLocation(Instruction *I) const {
- if (CurDbgLocation)
- Context.getMetadata().addMD(DbgMDKind, CurDbgLocation, I);
+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);
}
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