llvm-6502/lib/VMCore/Core.cpp
2007-09-18 18:07:51 +00:00

331 lines
11 KiB
C++

//===-- Core.cpp ----------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Gordon Henriksen and is distributed under the
// University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the C bindings for libLLVMCore.a, which implements
// the LLVM intermediate representation.
//
//===----------------------------------------------------------------------===//
#include "llvm-c/Core.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/CHelpers.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/GlobalVariable.h"
#include <ostream>
#include <fstream>
#include <cassert>
using namespace llvm;
/*===-- Operations on modules ---------------------------------------------===*/
LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID) {
return wrap(new Module(ModuleID));
}
void LLVMDisposeModule(LLVMModuleRef M) {
delete unwrap(M);
}
int LLVMAddTypeName(LLVMModuleRef M, const char *Name, LLVMTypeRef Ty) {
return unwrap(M)->addTypeName(Name, unwrap(Ty));
}
/*===-- Operations on types -----------------------------------------------===*/
/*--.. Operations on all types (mostly) ....................................--*/
LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
return static_cast<LLVMTypeKind>(unwrap(Ty)->getTypeID());
}
void LLVMRefineAbstractType(LLVMTypeRef AbstractType, LLVMTypeRef ConcreteType){
DerivedType *Ty = unwrap<DerivedType>(AbstractType);
Ty->refineAbstractTypeTo(unwrap(ConcreteType));
}
/*--.. Operations on integer types .........................................--*/
LLVMTypeRef LLVMInt1Type() { return (LLVMTypeRef) Type::Int1Ty; }
LLVMTypeRef LLVMInt8Type() { return (LLVMTypeRef) Type::Int8Ty; }
LLVMTypeRef LLVMInt16Type() { return (LLVMTypeRef) Type::Int16Ty; }
LLVMTypeRef LLVMInt32Type() { return (LLVMTypeRef) Type::Int32Ty; }
LLVMTypeRef LLVMInt64Type() { return (LLVMTypeRef) Type::Int64Ty; }
LLVMTypeRef LLVMCreateIntegerType(unsigned NumBits) {
return wrap(IntegerType::get(NumBits));
}
unsigned LLVMGetIntegerTypeWidth(LLVMTypeRef IntegerTy) {
return unwrap<IntegerType>(IntegerTy)->getBitWidth();
}
/*--.. Operations on real types ............................................--*/
LLVMTypeRef LLVMFloatType() { return (LLVMTypeRef) Type::FloatTy; }
LLVMTypeRef LLVMDoubleType() { return (LLVMTypeRef) Type::DoubleTy; }
LLVMTypeRef LLVMX86FP80Type() { return (LLVMTypeRef) Type::X86_FP80Ty; }
LLVMTypeRef LLVMFP128Type() { return (LLVMTypeRef) Type::FP128Ty; }
LLVMTypeRef LLVMPPCFP128Type() { return (LLVMTypeRef) Type::PPC_FP128Ty; }
/*--.. Operations on function types ........................................--*/
LLVMTypeRef LLVMCreateFunctionType(LLVMTypeRef ReturnType,
LLVMTypeRef *ParamTypes, unsigned ParamCount,
int IsVarArg) {
std::vector<const Type*> Tys;
for (LLVMTypeRef *I = ParamTypes, *E = ParamTypes + ParamCount; I != E; ++I)
Tys.push_back(unwrap(*I));
return wrap(FunctionType::get(unwrap(ReturnType), Tys, IsVarArg != 0));
}
int LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy) {
return unwrap<FunctionType>(FunctionTy)->isVarArg();
}
LLVMTypeRef LLVMGetFunctionReturnType(LLVMTypeRef FunctionTy) {
return wrap(unwrap<FunctionType>(FunctionTy)->getReturnType());
}
unsigned LLVMGetFunctionParamCount(LLVMTypeRef FunctionTy) {
return unwrap<FunctionType>(FunctionTy)->getNumParams();
}
void LLVMGetFunctionParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest) {
FunctionType *Ty = unwrap<FunctionType>(FunctionTy);
for (FunctionType::param_iterator I = Ty->param_begin(),
E = Ty->param_end(); I != E; ++I)
*Dest++ = wrap(*I);
}
/*--.. Operations on struct types ..........................................--*/
LLVMTypeRef LLVMCreateStructType(LLVMTypeRef *ElementTypes,
unsigned ElementCount, int Packed) {
std::vector<const Type*> Tys;
for (LLVMTypeRef *I = ElementTypes,
*E = ElementTypes + ElementCount; I != E; ++I)
Tys.push_back(unwrap(*I));
return wrap(StructType::get(Tys, Packed != 0));
}
unsigned LLVMGetStructElementCount(LLVMTypeRef StructTy) {
return unwrap<StructType>(StructTy)->getNumElements();
}
void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest) {
StructType *Ty = unwrap<StructType>(StructTy);
for (FunctionType::param_iterator I = Ty->element_begin(),
E = Ty->element_end(); I != E; ++I)
*Dest++ = wrap(*I);
}
int LLVMIsPackedStruct(LLVMTypeRef StructTy) {
return unwrap<StructType>(StructTy)->isPacked();
}
/*--.. Operations on array, pointer, and vector types (sequence types) .....--*/
LLVMTypeRef LLVMCreateArrayType(LLVMTypeRef ElementType, unsigned ElementCount){
return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
}
LLVMTypeRef LLVMCreatePointerType(LLVMTypeRef ElementType) {
return wrap(PointerType::get(unwrap(ElementType)));
}
LLVMTypeRef LLVMCreateVectorType(LLVMTypeRef ElementType,unsigned ElementCount){
return wrap(VectorType::get(unwrap(ElementType), ElementCount));
}
LLVMTypeRef LLVMGetElementType(LLVMTypeRef Ty) {
return wrap(unwrap<SequentialType>(Ty)->getElementType());
}
unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy) {
return unwrap<ArrayType>(ArrayTy)->getNumElements();
}
unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy) {
return unwrap<VectorType>(VectorTy)->getNumElements();
}
/*--.. Operations on other types ...........................................--*/
LLVMTypeRef LLVMVoidType() { return (LLVMTypeRef) Type::VoidTy; }
LLVMTypeRef LLVMLabelType() { return (LLVMTypeRef) Type::LabelTy; }
LLVMTypeRef LLVMCreateOpaqueType() {
return wrap(llvm::OpaqueType::get());
}
/*===-- Operations on values ----------------------------------------------===*/
/*--.. Operations on all values ............................................--*/
LLVMTypeRef LLVMGetTypeOfValue(LLVMValueRef Val) {
return wrap(unwrap(Val)->getType());
}
const char *LLVMGetValueName(LLVMValueRef Val) {
return unwrap(Val)->getNameStart();
}
void LLVMSetValueName(LLVMValueRef Val, const char *Name) {
unwrap(Val)->setName(Name);
}
/*--.. Operations on constants of any type .................................--*/
LLVMValueRef LLVMGetNull(LLVMTypeRef Ty) {
return wrap(Constant::getNullValue(unwrap(Ty)));
}
LLVMValueRef LLVMGetAllOnes(LLVMTypeRef Ty) {
return wrap(Constant::getAllOnesValue(unwrap(Ty)));
}
LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty) {
return wrap(UndefValue::get(unwrap(Ty)));
}
int LLVMIsConstant(LLVMValueRef Ty) {
return isa<Constant>(unwrap(Ty));
}
int LLVMIsNull(LLVMValueRef Val) {
if (Constant *C = dyn_cast<Constant>(unwrap(Val)))
return C->isNullValue();
return false;
}
int LLVMIsUndef(LLVMValueRef Val) {
return isa<UndefValue>(unwrap(Val));
}
/*--.. Operations on scalar constants ......................................--*/
LLVMValueRef LLVMGetIntConstant(LLVMTypeRef IntTy, unsigned long long N,
int SignExtend) {
return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), N, SignExtend != 0));
}
LLVMValueRef LLVMGetRealConstant(LLVMTypeRef RealTy, double N) {
return wrap(ConstantFP::get(unwrap(RealTy), APFloat(N)));
}
/*--.. Operations on composite constants ...................................--*/
LLVMValueRef LLVMGetStringConstant(const char *Str, unsigned Length,
int DontNullTerminate) {
/* Inverted the sense of AddNull because ', 0)' is a
better mnemonic for null termination than ', 1)'. */
return wrap(ConstantArray::get(std::string(Str, Length),
DontNullTerminate == 0));
}
LLVMValueRef LLVMGetArrayConstant(LLVMTypeRef ElementTy,
LLVMValueRef *ConstantVals, unsigned Length) {
return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length),
unwrap<Constant>(ConstantVals, Length),
Length));
}
LLVMValueRef LLVMGetStructConstant(LLVMValueRef *ConstantVals, unsigned Count,
int Packed) {
return wrap(ConstantStruct::get(unwrap<Constant>(ConstantVals, Count),
Count, Packed != 0));
}
LLVMValueRef LLVMGetVectorConstant(LLVMValueRef *ScalarConstantVals,
unsigned Size) {
return wrap(ConstantVector::get(unwrap<Constant>(ScalarConstantVals, Size),
Size));
}
/*--.. Operations on global variables, functions, and aliases (globals) ....--*/
int LLVMIsDeclaration(LLVMValueRef Global) {
return unwrap<GlobalValue>(Global)->isDeclaration();
}
LLVMLinkage LLVMGetLinkage(LLVMValueRef Global) {
return static_cast<LLVMLinkage>(unwrap<GlobalValue>(Global)->getLinkage());
}
void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage) {
unwrap<GlobalValue>(Global)
->setLinkage(static_cast<GlobalValue::LinkageTypes>(Linkage));
}
const char *LLVMGetSection(LLVMValueRef Global) {
return unwrap<GlobalValue>(Global)->getSection().c_str();
}
void LLVMSetSection(LLVMValueRef Global, const char *Section) {
unwrap<GlobalValue>(Global)->setSection(Section);
}
LLVMVisibility LLVMGetVisibility(LLVMValueRef Global) {
return static_cast<LLVMVisibility>(
unwrap<GlobalValue>(Global)->getVisibility());
}
void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
unwrap<GlobalValue>(Global)
->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
}
unsigned LLVMGetAlignment(LLVMValueRef Global) {
return unwrap<GlobalValue>(Global)->getAlignment();
}
void LLVMSetAlignment(LLVMValueRef Global, unsigned Bytes) {
unwrap<GlobalValue>(Global)->setAlignment(Bytes);
}
/*--.. Operations on global variables ......................................--*/
LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name) {
return wrap(new GlobalVariable(unwrap(Ty), false,
GlobalValue::ExternalLinkage, 0, Name, unwrap(M)));
}
void LLVMDeleteGlobal(LLVMValueRef GlobalVar) {
unwrap<GlobalVariable>(GlobalVar)->eraseFromParent();
}
int LLVMHasInitializer(LLVMValueRef GlobalVar) {
return unwrap<GlobalVariable>(GlobalVar)->hasInitializer();
}
LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar) {
return wrap(unwrap<GlobalVariable>(GlobalVar)->getInitializer());
}
void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal) {
unwrap<GlobalVariable>(GlobalVar)
->setInitializer(unwrap<Constant>(ConstantVal));
}
int LLVMIsThreadLocal(LLVMValueRef GlobalVar) {
return unwrap<GlobalVariable>(GlobalVar)->isThreadLocal();
}
void LLVMSetThreadLocal(LLVMValueRef GlobalVar, int IsThreadLocal) {
unwrap<GlobalVariable>(GlobalVar)->setThreadLocal(IsThreadLocal != 0);
}