search for: integertype

Hi, I have a Type * which may come from an IntegerType as shown below: Type.getIntegerBitWidth() tells me numBits. But how to extract the IntegerType.getSignBit? If pType isIntegerType, I need to know if it is signed or unsigned... How to achieve this? Thx Alex llvm::Type * getRandomValid_IntegerType(llvm::LLVMContext &C) { using namesp...

it seems the code snippit below cann't be compiled throuth. the compiler complains: error: no matching function for call to ‘llvm::IntegerType::get(int)’ /usr/local/include/llvm/DerivedTypes.h:108: note: candidates are: static const llvm::IntegerType* llvm::IntegerType::get(llvm::LLVMContext&, unsigned int) Module* makeLLVMModule() { // Module Construction Module* mod = new Module("test", getGlobalContext()); Consta...

...is declared like this: void func(int a, unsigned chat *p); and in the Pass(a Function Pass ,and using the InstVistor template ), I wrote like this: void visitStoreInst(StoreInst &SI) { //Get the refference of the types Module *M = SI.getParent()->getParent()->getParent(); IntegerType* Int8Type = IntegerType::getInt8Ty(M->getContext()); IntegerType* Int32Type = IntegerType::getInt32Ty(M->getContext()); IntegerType* Int64Type = IntegerType::getInt64Ty(M->getContext()); PointerType* VoidPtrType = PointerType::getUnqual(Int8Type); Type* VoidType = Type::getVoi...

Hi all, I couldn't find any reasonable way to create the IntegerType that would match, say, intptr_t, that is the native word size of the machine I'm building on. More accurately defined, when compiling on a 64 bit Mac OS machine I want it to be Int64Ty, but if for example I'm using the "-arch i386" command line option on that machine during compil...

The code that I have written to get the function type is: const std::vector<Type *> ParamTys; ParamTys.push_back(IntegerType::getInt32Ty(Context)); ParamTys.push_back(IntegerType::getInt32Ty(Context)); ParamTys.push_back(IntegerType::getInt32Ty(Context)); ParamTys.push_back(PointerType::get(Type::getVoidTy(Context), 0)); ParamTys.push_back(PointerType::get(Type::getVoidTy(Context), 0)); FunctionType *ftype = FunctionTyp...

Good morning everyone, It seems the LLVM tutorial is not up to date anymore and doesn't compile as is... The function makeLLVMModule() function doesn't compile at all. Here is a fix: Module *makeLLVMModule() { // Caches the global context to share it with new Module() and IntegerType::get() calls LLVMContext &context = getGlobalContext(); // Module Construction Module *mod = new Module("test", context); Constant *c = mod->getOrInsertFunction("mul_add", // IntegerType::get (context, 32)...

Hi all, We're hitting some walls here when generating the correct structure layout for specific C++ ABI requirements, and I was wondering how much StructLayout could help. For instance, the ABI has some complicated rules on the size of derived classes (http://www.codesourcery.com/public/cxx-abi/abi.html#class-types) and LLVM struct type cannot reflect that in full. Example: // CHECK:

Akshay Jain <jivan.molu at gmail.com> writes: > I have tried it, but I always end up with some kind of error. Can you > explain how can I get a function type for function which returns void > (nothing) and it's arguments are (int, int, int, void *, void *, ...) ?? Instead of getting something to cut&paste, you would be much more enriched if the problematic code and the

I found these lines in the BrainF example: //declare i32 @getchar() getchar_func = cast<Function>(module-> getOrInsertFunction("getchar", IntegerType::getInt32Ty(C), NULL)); //declare i32 @putchar(i32) putchar_func = cast<Function>(module-> getOrInsertFunction("putchar", IntegerType::getInt32Ty(C), IntegerType::getInt32Ty(C), NULL)); Since getchar and putchar are never defined, I'm assu...

I'm using LLVM 3.3 Release. From the Class Reference Page. CallInst has a member function : static CallInst * Create (Value *Func, ArrayRef< Value * > Args, const Twine &NameStr="", Instruction *InsertBefore=0) This is what I want to use! the default name is "" and I also use that . Thanks! ----- Kind Regards! -JinHuang -- View this message in context:

Hi, For the following code const Type * Int32Type = IntegerType::getInt32Ty(getGlobalContext()); AllocaInst* newInst = new AllocaInst(Int32Type, 0, "flag", Bb); Bb->getInstList().push_back(newInst); It gives me the error " error: no matching constructor for initialization of 'llvm::AllocaInst' AllocaInst*...

..._, __LINE__); // Module* Mod = makeLLVMModule(); llvm::Module *mod = new llvm::Module("test"); // make a function object printf("%s:%d make function\n", __FILE__, __LINE__); // Constant* c = mod->getOrInsertFunction // ("mul_add", // /*ret type*/ IntegerType::get(32), // /*args*/ IntegerType::get(32), // IntegerType::get(32), // IntegerType::get(32), // /*varargs terminated with null*/ NULL); llvm::Constant *c = mod->getOrInsertFunction ("main", // function name llvm::IntegerType::get(32),...

I have tried it, but I always end up with some kind of error. Can you explain how can I get a function type for function which returns void (nothing) and it's arguments are (int, int, int, void *, void *, ...) ?? Thanks in advance. On Tue, Apr 16, 2013 at 7:22 AM, Óscar Fuentes <ofv at wanadoo.es> wrote: > Akshay Jain <jivan.molu at gmail.com> writes: > > > I am

Hi, sivart Thanks for pointing it out. I used it, and it works. Thank you again. BTW, for any later reference, the function prototype declaration with no arguments is not what I wrote: fcall2 = M.getOrInsertFunction("foo", IntegerType::get(M.getContext(), 32), Type::getVoidTy(M.getContext())); INSTEAD, I changed to : fcall2 = M.getOrInsertFunction("foo", FunctionType::get( IntegerType::get(M.getContext(), 32), false)); combining with this, the insertion works finally. Thanks, --Shuying On Mon, Nov 22, 2010 at 6:...

How can I check if a particular Integer Type is signed/unsigned? Arushi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20100916/baea061d/attachment.html>

Hi, I want to insert a function with a void type parameter, for example: int foo(void); OI declared fcall2 = M.getOrInsertFunction("foo", IntegerType::get(M.getContext(), 32), Type::getVoidTy(M.getContext())); then the question is how to get the void type value to make the CallInst inserted sucessfully? (what should be ********) CallInst::Create(fcall2, ******, "", insertPos); -- --Shuying

Sorry, these IRBuilder methods are really in IRBuilderBase. Garrison On Jul 11, 2011, at 11:54, Garrison Venn wrote: > Are the get type methods for IRBuilder, such as const IntegerType *getInt32Ty(), going to have > their return type const qualifiers removed? Doing so would match the semi equivalent static > methods of Type, such as static IntegerType *getInt32Ty(LLVMContext &C). > > Thanks in advance > > Garrison > > On Jul 9, 2011, at 3:35, Chris...

...code, where length, a, b, c, are global variables. int length = 0; length += sprintf(buffer+length, "str%d", a); length += sprintf(buffer+length, "str%c", b); length += sprintf(buffer+length, "str%d", c); I did it in the following way. 1. Create the global array: IntegerType CHARTYPE = IntegerType::get(llvm::getGlobalContext(), 8); ArrayType* ty = ArrayType::get(CHARTYPE, 1024); GlobalVariable* buffer = new GlobalVariable(mod, ty, false, GlobalValue::ExternalLinkage, 0, "buffer"); 2. Create sprintf std::vector<Type*> agrs(2, Type::getInt8P...

...ableSizedStructs.txt illuarstrated, and it works find, here's an example of my implementation: auto *p = builder.CreateGEP(structTy, llvm::ConstantPointerNull::get(pointerTy), constint1); auto *size = builder.CreatePtrToInt(p, llvm::IntegerType::get(context, 64)); and type definitions: auto *constint1 = llvm::ConstantInt::get(context, llvm::APInt(64, 1)); auto *int64Ty = llvm::IntegerType::get(context, 64); auto *doubleTy = llvm::Type::getDoubleTy(context); auto *structTy = llvm::StructType::create(context, "Foo"); structTy-&gt...

Hi, guys. I'm a newbie to LLVM and have a very simple question. Which instructions should I use (in terms of IRBuilder calls) to allocate an array of bytes in stack (alloca?), then to work with it (from a given offset) as with integer (bitcast?). I mean something like that: unsigned char var[8]; unsigned int offset = 3; int val = *(int*)(&var+offset); /* read */ *(int*)(&var+offset)