X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FLLVMContext.h;h=afae08b07dafd44262037500c993f24570b35c99;hb=8d627d31531ad45fecca82d52cd34092c7c4cc1d;hp=ab2df1b70ae46e2406f007d08d0a0f0398cada44;hpb=9e9a0d5fc26878e51a58a8b57900fcbf952c2691;p=oota-llvm.git diff --git a/include/llvm/LLVMContext.h b/include/llvm/LLVMContext.h index ab2df1b70ae..afae08b07da 100644 --- a/include/llvm/LLVMContext.h +++ b/include/llvm/LLVMContext.h @@ -15,37 +15,12 @@ #ifndef LLVM_LLVMCONTEXT_H #define LLVM_LLVMCONTEXT_H -#include "llvm/Support/DataTypes.h" -#include -#include - namespace llvm { -class APFloat; -class APInt; -class ArrayType; -class Constant; -class ConstantAggregateZero; -class ConstantArray; -class ConstantFP; -class ConstantInt; -class ConstantPointerNull; -class ConstantStruct; -class ConstantVector; -class FunctionType; -class IntegerType; class LLVMContextImpl; -class MDNode; -class MDString; -class OpaqueType; -class PointerType; class StringRef; -class StructType; -class Type; -class UndefValue; -class Use; -class Value; -class VectorType; +class Instruction; +template class SmallVectorImpl; /// This is an important class for using LLVM in a threaded context. It /// (opaquely) owns and manages the core "global" data of LLVM's core @@ -53,44 +28,61 @@ class VectorType; /// LLVMContext itself provides no locking guarantees, so you should be careful /// to have one context per thread. class LLVMContext { - LLVMContextImpl* pImpl; - - friend class ConstantInt; - friend class ConstantFP; - friend class ConstantStruct; - friend class ConstantArray; - friend class ConstantVector; - friend class ConstantAggregateZero; + // DO NOT IMPLEMENT + LLVMContext(LLVMContext&); + void operator=(LLVMContext&); + public: + LLVMContextImpl *const pImpl; LLVMContext(); ~LLVMContext(); - // Constant accessors - Constant* getNullValue(const Type* Ty); + // Pinned metadata names, which always have the same value. This is a + // compile-time performance optimization, not a correctness optimization. + enum { + MD_dbg = 1 // "dbg" -> 1. + }; - /// @returns the value for an integer constant of the given type that has all - /// its bits set to true. - /// @brief Get the all ones value - Constant* getAllOnesValue(const Type* Ty); + /// getMDKindID - Return a unique non-zero ID for the specified metadata kind. + /// This ID is uniqued across modules in the current LLVMContext. + unsigned getMDKindID(StringRef Name) const; - // ConstantInt accessors - ConstantInt* getTrue(); - ConstantInt* getFalse(); - - // MDNode accessors - MDNode* getMDNode(Value* const* Vals, unsigned NumVals); + /// getMDKindNames - Populate client supplied SmallVector with the name for + /// custom metadata IDs registered in this LLVMContext. ID #0 is not used, + /// so it is filled in as an empty string. + void getMDKindNames(SmallVectorImpl &Result) const; - // MDString accessors - MDString* getMDString(const StringRef &Str); + /// setInlineAsmDiagnosticHandler - This method sets a handler that is invoked + /// when problems with inline asm are detected by the backend. The first + /// argument is a function pointer (of type SourceMgr::DiagHandlerTy) and the + /// second is a context pointer that gets passed into the DiagHandler. + /// + /// LLVMContext doesn't take ownership or interpreter either of these + /// pointers. + void setInlineAsmDiagnosticHandler(void *DiagHandler, void *DiagContext = 0); + + /// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by + /// setInlineAsmDiagnosticHandler. + void *getInlineAsmDiagnosticHandler() const; + + /// getInlineAsmDiagnosticContext - Return the diagnostic context set by + /// setInlineAsmDiagnosticHandler. + void *getInlineAsmDiagnosticContext() const; - // Methods for erasing constants - void erase(MDString *M); - void erase(MDNode *M); + /// emitError - Emit an error message to the currently installed error handler + /// with optional location information. This function returns, so code should + /// be prepared to drop the erroneous construct on the floor and "not crash". + /// The generated code need not be correct. The error message will be + /// implicitly prefixed with "error: " and should not end with a ".". + void emitError(unsigned LocCookie, StringRef ErrorStr); + void emitError(const Instruction *I, StringRef ErrorStr); + void emitError(StringRef ErrorStr); }; -/// FOR BACKWARDS COMPATIBILITY - Returns a global context. -extern LLVMContext& getGlobalContext(); +/// getGlobalContext - Returns a global context. This is for LLVM clients that +/// only care about operating on a single thread. +extern LLVMContext &getGlobalContext(); }