From: Chris Lattner Date: Wed, 1 Jul 2009 04:13:31 +0000 (+0000) Subject: improve the APIs for creating struct and function types with no arguments/elements X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0fd38069cb6699ce21eb159f22d3f23c012c9e81;p=oota-llvm.git improve the APIs for creating struct and function types with no arguments/elements to not have to create a temporary vector (in the API at least). Patch by Jay Foad! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74584 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/examples/ModuleMaker/ModuleMaker.cpp b/examples/ModuleMaker/ModuleMaker.cpp index 154e24065c0..e2584e7ff34 100644 --- a/examples/ModuleMaker/ModuleMaker.cpp +++ b/examples/ModuleMaker/ModuleMaker.cpp @@ -27,8 +27,7 @@ int main() { Module *M = new Module("test"); // Create the main function: first create the type 'int ()' - FunctionType *FT = FunctionType::get(Type::Int32Ty, std::vector(), - /*not vararg*/false); + FunctionType *FT = FunctionType::get(Type::Int32Ty, /*not vararg*/false); // By passing a module as the last parameter to the Function constructor, // it automatically gets appended to the Module. diff --git a/include/llvm/DerivedTypes.h b/include/llvm/DerivedTypes.h index b5824f8f815..053091b86fe 100644 --- a/include/llvm/DerivedTypes.h +++ b/include/llvm/DerivedTypes.h @@ -159,6 +159,15 @@ public: bool isVarArg ///< Whether this is a variable argument length function ); + /// FunctionType::get - Create a FunctionType taking no parameters. + /// + static FunctionType *get( + const Type *Result, ///< The result type + bool isVarArg ///< Whether this is a variable argument length function + ) { + return get(Result, std::vector(), isVarArg); + } + /// isValidReturnType - Return true if the specified type is valid as a return /// type. static bool isValidReturnType(const Type *RetTy); @@ -234,6 +243,12 @@ public: static StructType *get(const std::vector &Params, bool isPacked=false); + /// StructType::get - Create an empty structure type. + /// + static StructType *get(bool isPacked=false) { + return get(std::vector(), isPacked); + } + /// StructType::get - This static method is a convenience method for /// creating structure types by specifying the elements as arguments. /// Note that this method always returns a non-packed struct. To get diff --git a/include/llvm/Support/TypeBuilder.h b/include/llvm/Support/TypeBuilder.h index 5198c817399..b0ae516b815 100644 --- a/include/llvm/Support/TypeBuilder.h +++ b/include/llvm/Support/TypeBuilder.h @@ -253,8 +253,7 @@ public: private: static const FunctionType *create() { - std::vector params; - return FunctionType::get(TypeBuilder::get(), params, false); + return FunctionType::get(TypeBuilder::get(), false); } }; template class TypeBuilder { @@ -360,8 +359,7 @@ public: private: static const FunctionType *create() { - std::vector params; - return FunctionType::get(TypeBuilder::get(), params, true); + return FunctionType::get(TypeBuilder::get(), true); } }; template diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index 6b27cf41624..dbc3ae8a978 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -327,7 +327,7 @@ bool DISubprogram::describes(const Function *F) { DIFactory::DIFactory(Module &m) : M(m), StopPointFn(0), FuncStartFn(0), RegionStartFn(0), RegionEndFn(0), DeclareFn(0) { - EmptyStructPtr = PointerType::getUnqual(StructType::get(NULL, NULL)); + EmptyStructPtr = PointerType::getUnqual(StructType::get()); } /// getCastToEmpty - Return this descriptor as a Constant* with type '{}*'. diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp index 909370cb669..83ed401ef4b 100644 --- a/lib/AsmParser/LLParser.cpp +++ b/lib/AsmParser/LLParser.cpp @@ -1244,7 +1244,7 @@ bool LLParser::ParseStructType(PATypeHolder &Result, bool Packed) { Lex.Lex(); // Consume the '{' if (EatIfPresent(lltok::rbrace)) { - Result = StructType::get(std::vector(), Packed); + Result = StructType::get(Packed); return false; } diff --git a/lib/Debugger/ProgramInfo.cpp b/lib/Debugger/ProgramInfo.cpp index 125ff556dd5..e58b3d58e6d 100644 --- a/lib/Debugger/ProgramInfo.cpp +++ b/lib/Debugger/ProgramInfo.cpp @@ -271,8 +271,7 @@ ProgramInfo::getSourceFiles(bool RequiresCompleteMap) { // should be on the use list of the llvm.dbg.translation_units global. // GlobalVariable *Units = - M->getGlobalVariable("llvm.dbg.translation_units", - StructType::get(std::vector())); + M->getGlobalVariable("llvm.dbg.translation_units", StructType::get()); if (Units == 0) throw "Program contains no debugging information!"; @@ -354,8 +353,7 @@ ProgramInfo::getSourceFunctions(bool RequiresCompleteMap) { // should be on the use list of the llvm.dbg.translation_units global. // GlobalVariable *Units = - M->getGlobalVariable("llvm.dbg.globals", - StructType::get(std::vector())); + M->getGlobalVariable("llvm.dbg.globals", StructType::get()); if (Units == 0) throw "Program contains no debugging information!"; diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp index db5a306badc..1d8312f7629 100644 --- a/lib/ExecutionEngine/JIT/JIT.cpp +++ b/lib/ExecutionEngine/JIT/JIT.cpp @@ -453,7 +453,7 @@ GenericValue JIT::runFunction(Function *F, // arguments. Make this function and return. // First, create the function. - FunctionType *STy=FunctionType::get(RetTy, std::vector(), false); + FunctionType *STy=FunctionType::get(RetTy, false); Function *Stub = Function::Create(STy, Function::InternalLinkage, "", F->getParent()); diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp index cbf3a1d827a..7fe097c7c57 100644 --- a/lib/Transforms/IPO/GlobalOpt.cpp +++ b/lib/Transforms/IPO/GlobalOpt.cpp @@ -1928,8 +1928,7 @@ static GlobalVariable *InstallGlobalCtors(GlobalVariable *GCL, if (Ctors[i]) { CSVals[1] = Ctors[i]; } else { - const Type *FTy = FunctionType::get(Type::VoidTy, - std::vector(), false); + const Type *FTy = FunctionType::get(Type::VoidTy, false); const PointerType *PFTy = PointerType::getUnqual(FTy); CSVals[1] = Constant::getNullValue(PFTy); CSVals[0] = ConstantInt::get(Type::Int32Ty, 2147483647); diff --git a/lib/Transforms/IPO/RaiseAllocations.cpp b/lib/Transforms/IPO/RaiseAllocations.cpp index 8c97b5d17c0..99003689fb1 100644 --- a/lib/Transforms/IPO/RaiseAllocations.cpp +++ b/lib/Transforms/IPO/RaiseAllocations.cpp @@ -92,8 +92,7 @@ void RaiseAllocations::doInitialization(Module &M) { // i8*(...) * malloc // This handles the common declaration of: 'void *malloc();' const FunctionType *Malloc3Type = - FunctionType::get(PointerType::getUnqual(Type::Int8Ty), - std::vector(), true); + FunctionType::get(PointerType::getUnqual(Type::Int8Ty), true); if (TyWeHave != Malloc3Type) // Give up MallocFunc = 0; @@ -113,14 +112,12 @@ void RaiseAllocations::doInitialization(Module &M) { // Check to see if the prototype was forgotten, giving us // void (...) * free // This handles the common forward declaration of: 'void free();' - const FunctionType* Free2Type = FunctionType::get(Type::VoidTy, - std::vector(),true); + const FunctionType* Free2Type = FunctionType::get(Type::VoidTy, true); if (TyWeHave != Free2Type) { // One last try, check to see if we can find free as // int (...)* free. This handles the case where NOTHING was declared. - const FunctionType* Free3Type = FunctionType::get(Type::Int32Ty, - std::vector(),true); + const FunctionType* Free3Type = FunctionType::get(Type::Int32Ty, true); if (TyWeHave != Free3Type) { // Give up. diff --git a/lib/Transforms/Utils/LowerAllocations.cpp b/lib/Transforms/Utils/LowerAllocations.cpp index 9af47f56ef3..74e7028d127 100644 --- a/lib/Transforms/Utils/LowerAllocations.cpp +++ b/lib/Transforms/Utils/LowerAllocations.cpp @@ -89,7 +89,7 @@ bool LowerAllocations::doInitialization(Module &M) { const Type *BPTy = PointerType::getUnqual(Type::Int8Ty); // Prototype malloc as "char* malloc(...)", because we don't know in // doInitialization whether size_t is int or long. - FunctionType *FT = FunctionType::get(BPTy, std::vector(), true); + FunctionType *FT = FunctionType::get(BPTy, true); MallocFunc = M.getOrInsertFunction("malloc", FT); FreeFunc = M.getOrInsertFunction("free" , Type::VoidTy, BPTy, (Type *)0); return true; diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp index 2d28fb72e34..8c34e68ac6d 100644 --- a/utils/TableGen/IntrinsicEmitter.cpp +++ b/utils/TableGen/IntrinsicEmitter.cpp @@ -146,7 +146,7 @@ static void EmitTypeForValueType(std::ostream &OS, MVT::SimpleValueType VT) { OS << "IntegerType::get(" << BitWidth << ")"; } else if (VT == MVT::Other) { // MVT::OtherVT is used to mean the empty struct type here. - OS << "StructType::get(std::vector())"; + OS << "StructType::get()"; } else if (VT == MVT::f32) { OS << "Type::FloatTy"; } else if (VT == MVT::f64) {