[llvm-commits] CVS: llvm/include/llvm/Support/LLVMBuilder.h

Chris Lattner sabre at nondot.org
Sun May 27 08:09:57 PDT 2007



Changes in directory llvm/include/llvm/Support:

LLVMBuilder.h added (r1.1)
---
Log message:

Add a new LLVMBuilder class, which makes it simpler and more uniform to 
create large amounts of instructions by separating the insertion point
logic from the logic of what to create.


---
Diffs of the changes:  (+431 -0)

 LLVMBuilder.h |  431 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 431 insertions(+)


Index: llvm/include/llvm/Support/LLVMBuilder.h
diff -c /dev/null llvm/include/llvm/Support/LLVMBuilder.h:1.1
*** /dev/null	Sun May 27 10:09:44 2007
--- llvm/include/llvm/Support/LLVMBuilder.h	Sun May 27 10:09:34 2007
***************
*** 0 ****
--- 1,431 ----
+ //===-- llvm/Support/LLVMBuilder.h - Builder for LLVM Instrs ----*- C++ -*-===//
+ //
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by Chris Lattner and is distributed under the
+ // University of Illinois Open Source License. See LICENSE.TXT for details.
+ //
+ //===----------------------------------------------------------------------===//
+ //
+ // This file defines the LLVMBuilder class, which is used as a convenient way
+ // to create LLVM instructions with a consistent and simplified interface.
+ //
+ //===----------------------------------------------------------------------===//
+ 
+ #ifndef LLVM_SUPPORT_LLVMBUILDER_H
+ #define LLVM_SUPPORT_LLVMBUILDER_H
+ 
+ #include "llvm/BasicBlock.h"
+ #include "llvm/Instructions.h"
+ 
+ namespace llvm {
+ 
+ /// LLVMBuilder - This provides a uniform API for creating instructions and
+ /// inserting them into a basic block: either at the end of a BasicBlock, or 
+ /// at a specific iterator location in a block.
+ ///
+ /// Note that the builder does not expose the full generality of LLVM
+ /// instructions.  For example, it cannot be used to create instructions with
+ /// arbitrary names (specifically, names with nul characters in them) - It only
+ /// supports nul-terminated C strings.  For fully generic names, use
+ /// I->setName().  For access to extra instruction properties, use the mutators
+ /// (e.g. setVolatile) on the instructions after they have been created.
+ class LLVMBuilder {
+   BasicBlock *BB;
+   BasicBlock::iterator InsertPt;
+ public:
+   LLVMBuilder() { ClearInsertionPoint(); }
+   explicit LLVMBuilder(BasicBlock *TheBB) { SetInsertPoint(TheBB); }
+   LLVMBuilder(BasicBlock *TheBB, BasicBlock::iterator IP) {
+     SetInsertPoint(TheBB, IP);
+   }
+ 
+   //===--------------------------------------------------------------------===//
+   // Builder configuration methods
+   //===--------------------------------------------------------------------===//
+ 
+   /// ClearInsertionPoint - Clear the insertion point: created instructions will
+   /// not be inserted into a block.
+   void ClearInsertionPoint() {
+     BB = 0;
+   }
+   
+   BasicBlock *GetInsertBlock() const { return BB; }
+   
+   /// SetInsertPoint - This specifies that created instructions should be
+   /// appended to the end of the specified block.
+   void SetInsertPoint(BasicBlock *TheBB) {
+     BB = TheBB;
+     InsertPt = BB->end();
+   }
+   
+   /// SetInsertPoint - This specifies that created instructions should be
+   /// inserted at the specified point.
+   void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
+     BB = TheBB;
+     InsertPt = IP;
+   }
+   
+   /// Insert - Insert and return the specified instruction.
+   template<typename InstTy>
+   InstTy *Insert(InstTy *I) const {
+     InsertHelper(I);
+     return I;
+   }
+   
+   /// InsertHelper - Insert the specified instruction at the specified insertion
+   /// point.  This is split out of Insert so that it isn't duplicated for every
+   /// template instantiation.
+   void InsertHelper(Instruction *I) const {
+     if (BB) BB->getInstList().insert(InsertPt, I);
+   }
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Terminators
+   //===--------------------------------------------------------------------===//
+ 
+   /// CreateRetVoid - Create a 'ret void' instruction.
+   ReturnInst *CreateRetVoid() {
+     return Insert(new ReturnInst());
+   }
+ 
+   /// CreateRet - Create a 'ret <val>' instruction.
+   ReturnInst *CreateRet(Value *V) {
+     return Insert(new ReturnInst(V));
+   }
+   
+   /// CreateBr - Create an unconditional 'br label X' instruction.
+   BranchInst *CreateBr(BasicBlock *Dest) {
+     return Insert(new BranchInst(Dest));
+   }
+ 
+   /// CreateCondBr - Create a conditional 'br Cond, TrueDest, FalseDest'
+   /// instruction.
+   BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False) {
+     return Insert(new BranchInst(True, False, Cond));
+   }
+   
+   /// CreateSwitch - Create a switch instruction with the specified value,
+   /// default dest, and with a hint for the number of cases that will be added
+   /// (for efficient allocation).
+   SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10) {
+     return Insert(new SwitchInst(V, Dest, NumCases));
+   }
+   
+   /// CreateInvoke - Create an invoke instruction.
+   InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest, 
+                            BasicBlock *UnwindDest,
+                            Value *const* Args, unsigned NumArgs,
+                            const char *Name = "") {
+     return Insert(new InvokeInst(Callee, NormalDest, UnwindDest, Args, NumArgs,
+                                  Name));
+   }
+   
+   UnwindInst *CreateUnwind() {
+     return Insert(new UnwindInst());
+   }
+ 
+   UnreachableInst *CreateUnreachable() {
+     return Insert(new UnreachableInst());
+   }
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Binary Operators
+   //===--------------------------------------------------------------------===//
+ 
+   BinaryOperator *CreateAdd(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createAdd(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateSub(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createSub(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateMul(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createMul(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateUDiv(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createUDiv(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateSDiv(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createSDiv(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateFDiv(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createFDiv(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateURem(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createURem(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateSRem(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createSRem(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateFRem(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createFRem(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateShl(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createShl(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateLShr(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createLShr(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateAShr(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createAShr(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateAnd(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createAnd(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateOr(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createOr(LHS, RHS, Name));
+   }
+   BinaryOperator *CreateXor(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::createXor(LHS, RHS, Name));
+   }
+ 
+   BinaryOperator *CreateBinOp(Instruction::BinaryOps Opc,
+                               Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(BinaryOperator::create(Opc, LHS, RHS, Name));
+   }
+   
+   BinaryOperator *CreateNeg(Value *V, const char *Name = "") {
+     return Insert(BinaryOperator::createNeg(V, Name));
+   }
+   BinaryOperator *CreateNot(Value *V, const char *Name = "") {
+     return Insert(BinaryOperator::createNot(V, Name));
+   }
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Memory Instructions
+   //===--------------------------------------------------------------------===//
+   
+   MallocInst *CreateMalloc(const Type *Ty, Value *ArraySize = 0,
+                            const char *Name = "") {
+     return Insert(new MallocInst(Ty, ArraySize, Name));
+   }
+   AllocaInst *CreateAlloca(const Type *Ty, Value *ArraySize = 0,
+                            const char *Name = "") {
+     return Insert(new AllocaInst(Ty, ArraySize, Name));
+   }
+   FreeInst *CreateFree(Value *Ptr) {
+     return Insert(new FreeInst(Ptr));
+   }
+   LoadInst *CreateLoad(Value *Ptr, const char *Name = 0) {
+     return Insert(new LoadInst(Ptr, Name));
+   }
+   LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const char *Name = 0) {
+     return Insert(new LoadInst(Ptr, Name, isVolatile));
+   }
+   StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
+     return Insert(new StoreInst(Val, Ptr, isVolatile));
+   }
+   GetElementPtrInst *CreateGEP(Value *Ptr, Value* const *Idx, unsigned NumIdx,
+                                const char *Name = "") {
+     return Insert(new GetElementPtrInst(Ptr, Idx, NumIdx, Name));
+   }
+   GetElementPtrInst *CreateGEP(Value *Ptr, Value *Idx, const char *Name = "") {
+     return Insert(new GetElementPtrInst(Ptr, &Idx, 1, Name));
+   }
+   GetElementPtrInst *CreateGEP(Value *Ptr, Value *Idx0, Value *Idx1,
+                                const char *Name = "") {
+     return Insert(new GetElementPtrInst(Ptr, Idx0, Idx1, Name));
+   }
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Cast/Conversion Operators
+   //===--------------------------------------------------------------------===//
+   
+   TruncInst *CreateTrunc(Value *V, const Type *DestTy, const char *Name = "") {
+     return Insert(new TruncInst(V, DestTy, Name));
+   }
+   ZExtInst *CreateZExt(Value *V, const Type *DestTy, const char *Name = "") {
+     return Insert(new ZExtInst(V, DestTy, Name));
+   }
+   SExtInst *CreateSExt(Value *V, const Type *DestTy, const char *Name = "") {
+     return Insert(new SExtInst(V, DestTy, Name));
+   }
+   FPToUIInst *CreateFPToUI(Value *V, const Type *DestTy, const char *Name = ""){
+     return Insert(new FPToUIInst(V, DestTy, Name));
+   }
+   FPToSIInst *CreateFPToSI(Value *V, const Type *DestTy, const char *Name = ""){
+     return Insert(new FPToSIInst(V, DestTy, Name));
+   }
+   UIToFPInst *CreateUIToFP(Value *V, const Type *DestTy, const char *Name = ""){
+     return Insert(new UIToFPInst(V, DestTy, Name));
+   }
+   SIToFPInst *CreateSIToFP(Value *V, const Type *DestTy, const char *Name = ""){
+     return Insert(new SIToFPInst(V, DestTy, Name));
+   }
+   FPTruncInst *CreateFPTrunc(Value *V, const Type *DestTy,
+                              const char *Name = "") {
+     return Insert(new FPTruncInst(V, DestTy, Name));
+   }
+   FPExtInst *CreateFPExt(Value *V, const Type *DestTy, const char *Name = "") {
+     return Insert(new FPExtInst(V, DestTy, Name));
+   }
+   PtrToIntInst *CreatePtrToInt(Value *V, const Type *DestTy,
+                                const char *Name = "") {
+     return Insert(new PtrToIntInst(V, DestTy, Name));
+   }
+   IntToPtrInst *CreateIntToPtr(Value *V, const Type *DestTy,
+                                const char *Name = "") {
+     return Insert(new IntToPtrInst(V, DestTy, Name));
+   }
+   BitCastInst *CreateBitCast(Value *V, const Type *DestTy,
+                              const char *Name = "") {
+     return Insert(new BitCastInst(V, DestTy, Name));
+   }
+   
+   CastInst *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
+                        const char *Name = "") {
+     return Insert(CastInst::create(Op, V, DestTy, Name));
+   }
+   CastInst *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
+                           const char *Name = "") {
+     return Insert(CastInst::createIntegerCast(V, DestTy, isSigned, Name));
+   }
+   
+   
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Compare Instructions
+   //===--------------------------------------------------------------------===//
+   
+   ICmpInst *CreateICmpEQ(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_EQ, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpNE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_NE, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_UGT, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_UGE, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_ULT, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_ULE, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpSGT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_SGT, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpSGE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_SGE, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpSLT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_SLT, LHS, RHS, Name));
+   }
+   ICmpInst *CreateICmpSLE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new ICmpInst(ICmpInst::ICMP_SLE, LHS, RHS, Name));
+   }
+   
+   FCmpInst *CreateFCmpOEQ(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_OEQ, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpOGT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_OGT, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpOGE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_OGE, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpOLT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_OLT, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpOLE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_OLE, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpONE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_ONE, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpORD(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_ORD, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpUNO(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_UNO, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpUEQ(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_UEQ, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpUGT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_UGT, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpUGE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_UGE, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpULT(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_ULT, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpULE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_ULE, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmpUNE(Value *LHS, Value *RHS, const char *Name = "") {
+     return Insert(new FCmpInst(FCmpInst::FCMP_UNE, LHS, RHS, Name));
+   }
+   
+   
+   ICmpInst *CreateICmp(ICmpInst::Predicate P, Value *LHS, Value *RHS, 
+                        const char *Name = "") {
+     return Insert(new ICmpInst(P, LHS, RHS, Name));
+   }
+   FCmpInst *CreateFCmp(FCmpInst::Predicate P, Value *LHS, Value *RHS, 
+                        const char *Name = "") {
+     return Insert(new FCmpInst(P, LHS, RHS, Name));
+   }
+   
+   //===--------------------------------------------------------------------===//
+   // Instruction creation methods: Other Instructions
+   //===--------------------------------------------------------------------===//
+   
+   PHINode *CreatePHI(const Type *Ty, const char *Name = "") {
+     return Insert(new PHINode(Ty, Name));
+   }
+ 
+   CallInst *CreateCall(Value *Callee, const char *Name = "") {
+     return Insert(new CallInst(Callee, (Value**)0, 0, Name));
+   }
+   CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") {
+     return Insert(new CallInst(Callee, &Arg, 1, Name));
+   }
+   CallInst *CreateCall(Value *Callee, Value *Arg0, Value *Arg1,
+                        const char *Name = "") {
+     Value *Args[] = { Arg0, Arg1 };
+     return Insert(new CallInst(Callee, Args, 2, Name));
+   }
+   
+   
+   CallInst *CreateCall(Value *Callee, Value* const *Args, unsigned NumArgs,
+                        const char *Name = "") {
+     return Insert(new CallInst(Callee, Args, NumArgs, Name));
+   }
+   
+   SelectInst *CreateSelect(Value *C, Value *True, Value *False,
+                            const char *Name = "") {
+     return Insert(new SelectInst(C, True, False, Name));
+   }
+   
+   VAArgInst *CreateVAArg(Value *List, const Type *Ty, const char *Name = "") {
+     return Insert(new VAArgInst(List, Ty, Name));
+   }
+   
+   ExtractElementInst *CreateExtractElement(Value *Vec, Value *Idx,
+                                            const char *Name = "") {
+     return Insert(new ExtractElementInst(Vec, Idx, Name));
+   }
+   
+   InsertElementInst *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
+                                          const char *Name = "") {
+     return Insert(new InsertElementInst(Vec, NewElt, Idx, Name));
+   }
+   
+   ShuffleVectorInst *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
+                                          const char *Name = "") {
+     return Insert(new ShuffleVectorInst(V1, V2, Mask, Name));
+   }
+ };
+ 
+ // TODO: A version of LLVMBuilder that constant folds operands as they come in.
+ //class LLVMFoldingBuilder {
+ //};
+   
+ }
+ 
+ #endif






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