similar to: [LLVMdev] Little Problem about Variable memory allocating way in function

in the tutorial of official llvm doc, chapter 3, it deals with arguement of function as follow: for (Function::arg_iterator AI = F->arg_begin(); Idx != Args.size(); ++AI, ++Idx) { AI->setName(Args[Idx]); // NamedValues is map<string, Value*> NamedValues[Args[Idx]] = AI; and when it try to get the value of arguement, it simply does: Value

Maybe My statement is not clear. Take an example: main.c: int global; void fun(int array[], int i){ array[i] = i + 1; global = i; } int main(){ int arr[40], i = 0; fun(arr, 10); return 0; } Can I determine whether the value of arr array and global variable have changed after the function call, fun(arr, 10), by LLVM API? It could be more complicated considerring the nested function

2012/8/25 Iaroslav Markov <ymarkov at cs.stonybrook.edu>: > Can't you do it by performing some analysis on CFG? You can traverse that structure with BFS. And after that for all the BB you have visited more than once, you try to find a parent that has a branch instruction as a terminator. Additionally you ensure that there are no BB with branches as terminators on your way. If such

Thanks for your response! But I want to determine wheter the specific variable's value has been changed between two usages of variable, and wheter the parameter's value is changed in a function. Like the reaching definition analysis, and ud chains. 2012/8/9 ��f�� (Wei-Ren Chen) <chenwj at iis.sinica.edu.tw>: > On Thu, Aug 09, 2012 at 11:16:15AM +0800, Jianfei Hu wrote: >>

Hello All, I want to dertermine whether a basicblock is in a conditional branch. such as, //============================= if a > 2 // BasicBlock A then BasicBlock B endif BasicBlock C //============================= What I want to identify is BasicBlock B, which is in a condtional block. but C is not. In other words, I want to distinguish BasicBlocks that * must * be executed and that

Hello, I want to traverse CallGraph code segment: virtual void getAnalysisUsage(AnalysisUsage &AU) const { AU.addRequired<CallGraph>(); } virtual bool runOnModule(Module &F) { CallGraph &g = getAnalysis<CallGraph>(); for ( CallGraph::iterator i = g.begin(); i != g.end(); i++) { errs()<<"-----------------\n";

On Thu, Aug 9, 2012 at 6:57 AM, Jianfei Hu <hujianfei258 at gmail.com> wrote: > Thanks for your response! > > But I want to determine wheter the specific variable's value has been > changed between > two usages of variable, and wheter the parameter's value is changed in > a function. Like the > reaching definition analysis, and ud chains. > > > 2012/8/9

Yes, this demanding comes from our recent research project. If it's avaiable, could you send me the source code of taint-tracking analysis ? I really appreciate your help. Thanks! 2012/8/9 John Criswell <criswell at illinois.edu>: > On 8/9/12 12:40 AM, Jianfei Hu wrote: >> >> Maybe My statement is not clear. Take an example: >> main.c: >> int global; >>

On Fri, Aug 17, 2012 at 4:23 PM, Jianfei Hu <hujianfei258 at gmail.com> wrote: > Hello, > I want to traverse CallGraph > > code segment: > > > virtual void getAnalysisUsage(AnalysisUsage &AU) const > { > AU.addRequired<CallGraph>(); > } > > virtual

On 8/9/12 12:40 AM, Jianfei Hu wrote: > Maybe My statement is not clear. Take an example: > main.c: > int global; > void fun(int array[], int i){ > array[i] = i + 1; > global = i; > } > > int main(){ > int arr[40], i = 0; > fun(arr, 10); > return 0; > } > Can I determine whether the value of arr array and global variable > have changed

Hello, I have simulated 30 observations from a binomial(5,0.1) distribution. Now I need to make frequency table( that means I need to tally how many 0's , 1's 2's....... 5's) I know that the simple R function table() will do this, but I am afraid that some times I may get zero frequency for some particular values (for example in the above there are 5-0's 10-1's ,

I read the tutorial doc and some info of SSA, finally understand it. Thanks for your help. And the segmentation error of loading arguementation occurs, (gdb error info) Program received signal SIGSEGV, Segmentation fault. 0x0855bb68 in llvm::LoadInst::LoadInst(llvm::Value*, char const*, bool, llvm::Instruction*) () code is like follows: //#include necessary header files int main(){

In the general sense you may get some help by looking at the control dependence graph. - dibyendu ----- Original Message ----- From: Jianfei Hu [mailto:hujianfei258 at gmail.com] Sent: Saturday, August 25, 2012 07:43 AM To: LLVMdev at cs.uiuc.edu <LLVMdev at cs.uiuc.edu> Subject: [LLVMdev] How to Check whether BasicBlock resides in a conditional branch Hello All, I want to dertermine

Hello, Using openssh 2.1.1p1 I have tried to use scp to copy a file from one remote system directly to another remote system - e.g. 'scp -i ./ecp eros:jhf alice:jhf', so the file jhf is copied from the remote system eros to the remote system alice via an intermidate system (the one where the command is issued from). The key is in the file ecp. Using protocol 1 it doesn't seem to

Hi we wanted to access a class varaible from outside of the same class, like class klass @@var1 end we found out we can not use the class variable like this: klass.var1 we have to create a class function like class klass @@var1 def var1 return @@var1 end end If anyone know how to access a class variable directly without passing by a function??? Thanks you very much

Hi, I have problem to understand this line does exactly? this is from the class ConnectionSpecficication, methode "active_connections" def self.active_connections #:nodoc: if allow_concurrency Thread.current[''active_connections''] ||= {} else @@active_connections ||= {} end end what the line "@@active_connections ||= {}" means exactly? as I

Now I have an address that present in a unsigned long address like the following format: Value* addr = CONST(0xc0008000) But I do not know how to read the data from the above addr varaible. I tried the following three kind of code: 1. Code: Value* addr = CONST(0xc0008000); Value* data = new LoadInst(addr, "", false, bb); Error: Segmentation fault 2. Code(

On Nov 1, 2011, at 6:26 PM, Michael Spencer wrote: > A major feature of the linker design I have been working on is the > object file IR it is based on. It takes the concept of an atom (a > named range of data) and formalizes it into a graph based data > structure where edges represent the relations between atoms such as > relocations, groupings, and layout constraints. This

Can't you do it by performing some analysis on CFG? You can traverse that structure with BFS. And after that for all the BB you have visited more than once, you try to find a parent that has a branch instruction as a terminator. Additionally you ensure that there are no BB with branches as terminators on your way. If such parent exist, you mark that there is exist a direct connection between

Hi, I''m using link_to_remote to trigger an ajax zone, but depends on a varaible, the new zone has different features. before I has a button inside a form. so when I click on the button, I get the value of the variable inside "params". but since I use link_to_remote now, I don''t get any value from params anymore.... Is there some way I can get the data inside a form