#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Operator.h"
+#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/CBindingWrapping.h"
#include "llvm/Support/ConstantFolder.h"
BasicBlock *BB;
BasicBlock::iterator InsertPt;
LLVMContext &Context;
+
+ MDNode *DefaultFPMathTag;
+ FastMathFlags FMF;
public:
- IRBuilderBase(LLVMContext &context)
- : Context(context) {
+ IRBuilderBase(LLVMContext &context, MDNode *FPMathTag = 0)
+ : Context(context), DefaultFPMathTag(FPMathTag), FMF() {
ClearInsertionPoint();
}
ClearInsertionPoint();
}
+ /// \brief Get the floating point math metadata being used.
+ MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
+
+ /// \brief Get the flags to be applied to created floating point ops
+ FastMathFlags getFastMathFlags() const { return FMF; }
+
+ /// \brief Clear the fast-math flags.
+ void clearFastMathFlags() { FMF.clear(); }
+
+ /// \brief Set the floating point math metadata to be used.
+ void SetDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
+
+ /// \brief Set the fast-math flags to be used with generated fp-math operators
+ void SetFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
+
+ //===--------------------------------------------------------------------===//
+ // RAII helpers.
+ //===--------------------------------------------------------------------===//
+
+ // \brief RAII object that stores the current insertion point and restores it
+ // when the object is destroyed. This includes the debug location.
+ class InsertPointGuard {
+ IRBuilderBase &Builder;
+ AssertingVH<BasicBlock> Block;
+ BasicBlock::iterator Point;
+ DebugLoc DbgLoc;
+
+ InsertPointGuard(const InsertPointGuard &) LLVM_DELETED_FUNCTION;
+ InsertPointGuard &operator=(const InsertPointGuard &) LLVM_DELETED_FUNCTION;
+
+ public:
+ InsertPointGuard(IRBuilderBase &B)
+ : Builder(B), Block(B.GetInsertBlock()), Point(B.GetInsertPoint()),
+ DbgLoc(B.getCurrentDebugLocation()) {}
+
+ ~InsertPointGuard() {
+ Builder.restoreIP(InsertPoint(Block, Point));
+ Builder.SetCurrentDebugLocation(DbgLoc);
+ }
+ };
+
+ // \brief RAII object that stores the current fast math settings and restores
+ // them when the object is destroyed.
+ class FastMathFlagGuard {
+ IRBuilderBase &Builder;
+ FastMathFlags FMF;
+ MDNode *FPMathTag;
+
+ FastMathFlagGuard(const FastMathFlagGuard &) LLVM_DELETED_FUNCTION;
+ FastMathFlagGuard &operator=(
+ const FastMathFlagGuard &) LLVM_DELETED_FUNCTION;
+
+ public:
+ FastMathFlagGuard(IRBuilderBase &B)
+ : Builder(B), FMF(B.FMF), FPMathTag(B.DefaultFPMathTag) {}
+
+ ~FastMathFlagGuard() {
+ Builder.FMF = FMF;
+ Builder.DefaultFPMathTag = FPMathTag;
+ }
+ };
+
//===--------------------------------------------------------------------===//
// Miscellaneous creation methods.
//===--------------------------------------------------------------------===//
return ConstantInt::get(getInt64Ty(), C);
}
+ /// \brief Get a constant N-bit value, zero extended or truncated from
+ /// a 64-bit value.
+ ConstantInt *getIntN(unsigned N, uint64_t C) {
+ return ConstantInt::get(getIntNTy(N), C);
+ }
+
/// \brief Get a constant integer value.
ConstantInt *getInt(const APInt &AI) {
return ConstantInt::get(Context, AI);
return Type::getInt64Ty(Context);
}
+ /// \brief Fetch the type representing an N-bit integer.
+ IntegerType *getIntNTy(unsigned N) {
+ return Type::getIntNTy(Context, N);
+ }
+
/// \brief Fetch the type representing a 32-bit floating point value.
Type *getFloatTy() {
return Type::getFloatTy(Context);
}
/// \brief Fetch the type representing a pointer to an integer value.
- IntegerType* getIntPtrTy(DataLayout *DL, unsigned AddrSpace = 0) {
+ IntegerType* getIntPtrTy(const DataLayout *DL, unsigned AddrSpace = 0) {
return DL->getIntPtrType(Context, AddrSpace);
}
typename Inserter = IRBuilderDefaultInserter<preserveNames> >
class IRBuilder : public IRBuilderBase, public Inserter {
T Folder;
- MDNode *DefaultFPMathTag;
- FastMathFlags FMF;
public:
IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter(),
MDNode *FPMathTag = 0)
- : IRBuilderBase(C), Inserter(I), Folder(F), DefaultFPMathTag(FPMathTag),
- FMF() {
+ : IRBuilderBase(C, FPMathTag), Inserter(I), Folder(F) {
}
explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = 0)
- : IRBuilderBase(C), Folder(), DefaultFPMathTag(FPMathTag), FMF() {
+ : IRBuilderBase(C, FPMathTag), Folder() {
}
explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(F),
- DefaultFPMathTag(FPMathTag), FMF() {
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
SetInsertPoint(TheBB);
}
explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(),
- DefaultFPMathTag(FPMathTag), FMF() {
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
SetInsertPoint(TheBB);
}
explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = 0)
- : IRBuilderBase(IP->getContext()), Folder(), DefaultFPMathTag(FPMathTag),
- FMF() {
+ : IRBuilderBase(IP->getContext(), FPMathTag), Folder() {
SetInsertPoint(IP);
SetCurrentDebugLocation(IP->getDebugLoc());
}
explicit IRBuilder(Use &U, MDNode *FPMathTag = 0)
- : IRBuilderBase(U->getContext()), Folder(), DefaultFPMathTag(FPMathTag),
- FMF() {
+ : IRBuilderBase(U->getContext(), FPMathTag), Folder() {
SetInsertPoint(U);
SetCurrentDebugLocation(cast<Instruction>(U.getUser())->getDebugLoc());
}
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F,
MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(F),
- DefaultFPMathTag(FPMathTag), FMF() {
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
SetInsertPoint(TheBB, IP);
}
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, MDNode *FPMathTag = 0)
- : IRBuilderBase(TheBB->getContext()), Folder(),
- DefaultFPMathTag(FPMathTag), FMF() {
+ : IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
SetInsertPoint(TheBB, IP);
}
/// \brief Get the constant folder being used.
const T &getFolder() { return Folder; }
- /// \brief Get the floating point math metadata being used.
- MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
-
- /// \brief Get the flags to be applied to created floating point ops
- FastMathFlags getFastMathFlags() const { return FMF; }
-
- /// \brief Clear the fast-math flags.
- void clearFastMathFlags() { FMF.clear(); }
-
- /// \brief SetDefaultFPMathTag - Set the floating point math metadata to be used.
- void SetDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
-
- /// \brief Set the fast-math flags to be used with generated fp-math operators
- void SetFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
-
/// \brief Return true if this builder is configured to actually add the
/// requested names to IR created through it.
bool isNamePreserving() const { return preserveNames; }
bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Insert(Folder.CreateSub(LC, RC), Name);
+ return Insert(Folder.CreateSub(LC, RC, HasNUW, HasNSW), Name);
return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
HasNUW, HasNSW);
}
bool HasNUW = false, bool HasNSW = false) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
- return Insert(Folder.CreateMul(LC, RC), Name);
+ return Insert(Folder.CreateMul(LC, RC, HasNUW, HasNSW), Name);
return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
HasNUW, HasNSW);
}
}
Value *CreateBinOp(Instruction::BinaryOps Opc,
- Value *LHS, Value *RHS, const Twine &Name = "") {
+ Value *LHS, Value *RHS, const Twine &Name = "",
+ MDNode *FPMathTag = 0) {
if (Constant *LC = dyn_cast<Constant>(LHS))
if (Constant *RC = dyn_cast<Constant>(RHS))
return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
- return Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
+ llvm::Instruction *BinOp = BinaryOperator::Create(Opc, LHS, RHS);
+ if (isa<FPMathOperator>(BinOp))
+ BinOp = AddFPMathAttributes(BinOp, FPMathTag, FMF);
+ return Insert(BinOp, Name);
}
Value *CreateNeg(Value *V, const Twine &Name = "",
return SI;
}
FenceInst *CreateFence(AtomicOrdering Ordering,
- SynchronizationScope SynchScope = CrossThread) {
- return Insert(new FenceInst(Context, Ordering, SynchScope));
+ SynchronizationScope SynchScope = CrossThread,
+ const Twine &Name = "") {
+ return Insert(new FenceInst(Context, Ordering, SynchScope), Name);
}
AtomicCmpXchgInst *CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New,
AtomicOrdering Ordering,
const Twine &Name = "") {
return CreateCast(Instruction::BitCast, V, DestTy, Name);
}
+ Value *CreateAddrSpaceCast(Value *V, Type *DestTy,
+ const Twine &Name = "") {
+ return CreateCast(Instruction::AddrSpaceCast, V, DestTy, Name);
+ }
Value *CreateZExtOrBitCast(Value *V, Type *DestTy,
const Twine &Name = "") {
if (V->getType() == DestTy)
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