mirror of
https://github.com/c64scene-ar/llvm-6502.git
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f1355a55f8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41506 91177308-0d34-0410-b5e6-96231b3b80d8
429 lines
17 KiB
C++
429 lines
17 KiB
C++
//===-- llvm/Support/LLVMBuilder.h - Builder for LLVM Instrs ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the LLVMBuilder class, which is used as a convenient way
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// to create LLVM instructions with a consistent and simplified interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_LLVMBUILDER_H
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#define LLVM_SUPPORT_LLVMBUILDER_H
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#include "llvm/BasicBlock.h"
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#include "llvm/Instructions.h"
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namespace llvm {
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/// LLVMBuilder - This provides a uniform API for creating instructions and
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/// inserting them into a basic block: either at the end of a BasicBlock, or
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/// at a specific iterator location in a block.
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///
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/// Note that the builder does not expose the full generality of LLVM
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/// instructions. For example, it cannot be used to create instructions with
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/// arbitrary names (specifically, names with nul characters in them) - It only
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/// supports nul-terminated C strings. For fully generic names, use
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/// I->setName(). For access to extra instruction properties, use the mutators
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/// (e.g. setVolatile) on the instructions after they have been created.
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class LLVMBuilder {
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BasicBlock *BB;
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BasicBlock::iterator InsertPt;
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public:
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LLVMBuilder() { ClearInsertionPoint(); }
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explicit LLVMBuilder(BasicBlock *TheBB) { SetInsertPoint(TheBB); }
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LLVMBuilder(BasicBlock *TheBB, BasicBlock::iterator IP) {
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SetInsertPoint(TheBB, IP);
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}
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//===--------------------------------------------------------------------===//
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// Builder configuration methods
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//===--------------------------------------------------------------------===//
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/// ClearInsertionPoint - Clear the insertion point: created instructions will
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/// not be inserted into a block.
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void ClearInsertionPoint() {
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BB = 0;
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}
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BasicBlock *GetInsertBlock() const { return BB; }
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/// SetInsertPoint - This specifies that created instructions should be
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/// appended to the end of the specified block.
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void SetInsertPoint(BasicBlock *TheBB) {
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BB = TheBB;
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InsertPt = BB->end();
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}
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/// SetInsertPoint - This specifies that created instructions should be
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/// inserted at the specified point.
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void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
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BB = TheBB;
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InsertPt = IP;
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}
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/// Insert - Insert and return the specified instruction.
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template<typename InstTy>
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InstTy *Insert(InstTy *I) const {
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InsertHelper(I);
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return I;
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}
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/// InsertHelper - Insert the specified instruction at the specified insertion
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/// point. This is split out of Insert so that it isn't duplicated for every
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/// template instantiation.
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void InsertHelper(Instruction *I) const {
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if (BB) BB->getInstList().insert(InsertPt, I);
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Terminators
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//===--------------------------------------------------------------------===//
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/// CreateRetVoid - Create a 'ret void' instruction.
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ReturnInst *CreateRetVoid() {
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return Insert(new ReturnInst());
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}
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/// @verbatim
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/// CreateRet - Create a 'ret <val>' instruction.
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/// @endverbatim
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ReturnInst *CreateRet(Value *V) {
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return Insert(new ReturnInst(V));
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}
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/// CreateBr - Create an unconditional 'br label X' instruction.
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BranchInst *CreateBr(BasicBlock *Dest) {
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return Insert(new BranchInst(Dest));
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}
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/// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest'
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/// instruction.
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BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False) {
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return Insert(new BranchInst(True, False, Cond));
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}
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/// CreateSwitch - Create a switch instruction with the specified value,
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/// default dest, and with a hint for the number of cases that will be added
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/// (for efficient allocation).
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SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10) {
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return Insert(new SwitchInst(V, Dest, NumCases));
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}
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/// CreateInvoke - Create an invoke instruction.
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template<typename InputIterator>
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InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
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BasicBlock *UnwindDest, InputIterator ArgBegin,
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InputIterator ArgEnd, const char *Name = "") {
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return(Insert(new InvokeInst(Callee, NormalDest, UnwindDest,
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ArgBegin, ArgEnd, Name)));
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}
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UnwindInst *CreateUnwind() {
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return Insert(new UnwindInst());
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}
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UnreachableInst *CreateUnreachable() {
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return Insert(new UnreachableInst());
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Binary Operators
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//===--------------------------------------------------------------------===//
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BinaryOperator *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createAdd(LHS, RHS, Name));
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}
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BinaryOperator *CreateSub(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createSub(LHS, RHS, Name));
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}
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BinaryOperator *CreateMul(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createMul(LHS, RHS, Name));
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}
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BinaryOperator *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createUDiv(LHS, RHS, Name));
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}
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BinaryOperator *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createSDiv(LHS, RHS, Name));
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}
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BinaryOperator *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createFDiv(LHS, RHS, Name));
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}
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BinaryOperator *CreateURem(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createURem(LHS, RHS, Name));
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}
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BinaryOperator *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createSRem(LHS, RHS, Name));
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}
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BinaryOperator *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createFRem(LHS, RHS, Name));
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}
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BinaryOperator *CreateShl(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createShl(LHS, RHS, Name));
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}
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BinaryOperator *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createLShr(LHS, RHS, Name));
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}
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BinaryOperator *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createAShr(LHS, RHS, Name));
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}
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BinaryOperator *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createAnd(LHS, RHS, Name));
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}
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BinaryOperator *CreateOr(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createOr(LHS, RHS, Name));
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}
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BinaryOperator *CreateXor(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::createXor(LHS, RHS, Name));
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}
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BinaryOperator *CreateBinOp(Instruction::BinaryOps Opc,
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Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(BinaryOperator::create(Opc, LHS, RHS, Name));
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}
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BinaryOperator *CreateNeg(Value *V, const char *Name = "") {
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return Insert(BinaryOperator::createNeg(V, Name));
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}
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BinaryOperator *CreateNot(Value *V, const char *Name = "") {
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return Insert(BinaryOperator::createNot(V, Name));
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Memory Instructions
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//===--------------------------------------------------------------------===//
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MallocInst *CreateMalloc(const Type *Ty, Value *ArraySize = 0,
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const char *Name = "") {
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return Insert(new MallocInst(Ty, ArraySize, Name));
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}
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AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0,
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const char *Name = "") {
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return Insert(new AllocaInst(Ty, ArraySize, Name));
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}
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FreeInst *CreateFree(Value *Ptr) {
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return Insert(new FreeInst(Ptr));
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}
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LoadInst *CreateLoad(Value *Ptr, const char *Name = 0) {
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return Insert(new LoadInst(Ptr, Name));
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}
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LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const char *Name = 0) {
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return Insert(new LoadInst(Ptr, Name, isVolatile));
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}
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StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
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return Insert(new StoreInst(Val, Ptr, isVolatile));
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}
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GetElementPtrInst *CreateGEP(Value *Ptr, Value* const *Idx, unsigned NumIdx,
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const char *Name = "") {
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return Insert(new GetElementPtrInst(Ptr, Idx, NumIdx, Name));
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}
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GetElementPtrInst *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") {
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return Insert(new GetElementPtrInst(Ptr, &Idx, 1, Name));
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}
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GetElementPtrInst *CreateGEP(Value *Ptr, Value *Idx0, Value *Idx1,
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const char *Name = "") {
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return Insert(new GetElementPtrInst(Ptr, Idx0, Idx1, Name));
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Cast/Conversion Operators
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//===--------------------------------------------------------------------===//
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TruncInst *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") {
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return Insert(new TruncInst(V, DestTy, Name));
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}
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ZExtInst *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") {
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return Insert(new ZExtInst(V, DestTy, Name));
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}
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SExtInst *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") {
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return Insert(new SExtInst(V, DestTy, Name));
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}
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FPToUIInst *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){
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return Insert(new FPToUIInst(V, DestTy, Name));
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}
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FPToSIInst *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){
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return Insert(new FPToSIInst(V, DestTy, Name));
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}
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UIToFPInst *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){
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return Insert(new UIToFPInst(V, DestTy, Name));
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}
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SIToFPInst *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){
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return Insert(new SIToFPInst(V, DestTy, Name));
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}
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FPTruncInst *CreateFPTrunc(Value *V, const Type *DestTy,
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const char *Name = "") {
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return Insert(new FPTruncInst(V, DestTy, Name));
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}
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FPExtInst *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") {
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return Insert(new FPExtInst(V, DestTy, Name));
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}
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PtrToIntInst *CreatePtrToInt(Value *V, const Type *DestTy,
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const char *Name = "") {
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return Insert(new PtrToIntInst(V, DestTy, Name));
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}
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IntToPtrInst *CreateIntToPtr(Value *V, const Type *DestTy,
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const char *Name = "") {
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return Insert(new IntToPtrInst(V, DestTy, Name));
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}
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BitCastInst *CreateBitCast(Value *V, const Type *DestTy,
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const char *Name = "") {
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return Insert(new BitCastInst(V, DestTy, Name));
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}
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CastInst *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
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const char *Name = "") {
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return Insert(CastInst::create(Op, V, DestTy, Name));
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}
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CastInst *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
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const char *Name = "") {
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return Insert(CastInst::createIntegerCast(V, DestTy, isSigned, Name));
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Compare Instructions
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//===--------------------------------------------------------------------===//
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ICmpInst *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_EQ, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_NE, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_UGT, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_UGE, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_ULT, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_ULE, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_SGT, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_SGE, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_SLT, LHS, RHS, Name));
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}
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ICmpInst *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new ICmpInst(ICmpInst::ICMP_SLE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_OEQ, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_OGT, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_OGE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_OLT, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_OLE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_ONE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_ORD, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_UNO, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_UEQ, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_UGT, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_UGE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_ULT, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_ULE, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") {
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return Insert(new FCmpInst(FCmpInst::FCMP_UNE, LHS, RHS, Name));
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}
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ICmpInst *CreateICmp(ICmpInst::Predicate P, Value *LHS, Value *RHS,
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const char *Name = "") {
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return Insert(new ICmpInst(P, LHS, RHS, Name));
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}
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FCmpInst *CreateFCmp(FCmpInst::Predicate P, Value *LHS, Value *RHS,
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const char *Name = "") {
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return Insert(new FCmpInst(P, LHS, RHS, Name));
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}
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//===--------------------------------------------------------------------===//
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// Instruction creation methods: Other Instructions
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//===--------------------------------------------------------------------===//
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PHINode *CreatePHI(const Type *Ty, const char *Name = "") {
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return Insert(new PHINode(Ty, Name));
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}
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CallInst *CreateCall(Value *Callee, const char *Name = "") {
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return Insert(new CallInst(Callee, Name));
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}
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CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") {
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return Insert(new CallInst(Callee, Arg, Name));
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}
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template<typename InputIterator>
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CallInst *CreateCall(Value *Callee, InputIterator ArgBegin,
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InputIterator ArgEnd, const char *Name = "") {
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return(Insert(new CallInst(Callee, ArgBegin, ArgEnd, Name)));
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}
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SelectInst *CreateSelect(Value *C, Value *True, Value *False,
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const char *Name = "") {
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return Insert(new SelectInst(C, True, False, Name));
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}
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VAArgInst *CreateVAArg(Value *List, const Type *Ty, const char *Name = "") {
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return Insert(new VAArgInst(List, Ty, Name));
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}
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ExtractElementInst *CreateExtractElement(Value *Vec, Value *Idx,
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const char *Name = "") {
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return Insert(new ExtractElementInst(Vec, Idx, Name));
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}
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InsertElementInst *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
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const char *Name = "") {
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return Insert(new InsertElementInst(Vec, NewElt, Idx, Name));
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}
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ShuffleVectorInst *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
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const char *Name = "") {
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return Insert(new ShuffleVectorInst(V1, V2, Mask, Name));
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}
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};
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// TODO: A version of LLVMBuilder that constant folds operands as they come in.
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//class LLVMFoldingBuilder {
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//};
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}
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#endif
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