similar to: [LLVMdev] BasicCallGraph patch

On Thu, 12 Jul 2007, Zhongxing Xu wrote: > The current BasicCallGraph will miss call sites like this: > %tmp86 = call i8* (...)* bitcast (i8* ()* @find_ispell to i8* (...)*)( ) > ; <i8*> [#uses=1] > > Here the direct user of @find_ispell is a ConstantExpr. > I added several lines of code to address this case. > Below is the output of command: svn diff

I am doing inter-procedural static analysis, so I need to do DFS of call graph. llvm-gcc sometimes generates this kind of call instruction, which cause the call graph to be incomplete. But thanks for your information, instcombine really solves the problem. On 7/17/07, Chris Lattner <sabre at nondot.org> wrote: > > On Thu, 12 Jul 2007, Zhongxing Xu wrote: > > The current

On Tue, 17 Jul 2007, Zhongxing Xu wrote: > I am doing inter-procedural static analysis, so I need to do DFS of call > graph. llvm-gcc sometimes generates this kind of call instruction, which > cause the call graph to be incomplete. > > But thanks for your information, instcombine really solves the problem. Happy to help. You'll probably find that other optimizations help as

Hi, I did a little experiment, basically to extract implemented CallGraph to be a "new" pass with different registered name, and run the "new" pass, but the result always gives out Segmentation Fault... I am probably missing sth? Implemented another new class, class BasicCallGraph2 : public ModulePass, public CallGraph { ..... ... } The inside code is exact same as

Shuying Liang wrote: > Hi, > > I did a little experiment, basically to extract implemented CallGraph > to be a "new" pass with different registered name, and run the "new" > pass, but the result always gives out Segmentation Fault... I am > probably missing > sth? > > Implemented another new class, > class BasicCallGraph2 : public ModulePass,

Hi, Both LazyValueInfo and ScalarEvolution can calculate a constant range for an LLVM Value. I found that some times they do not agree, may be I interpreted them incorrectly For example in the following IR: bb85: ; preds = %bb85, %bb73 %tmp86 = phi i32 [ 1, %bb73 ], [ %tmp95, %bb85 ] %tmp95 = add nsw i32 %tmp86, 1 %tmp96 = icmp slt i32 %tmp95,

> Happy to help. You'll probably find that other optimizations help as > well, such as simplifycfg (which deletes dead blocks). Thank you. I am using it. Depending on what > you are doing, using the LLVM IR can be tricky for this sort of stuff > because it can get too far from the source level. > Yes, it is really a problem. Now I am using my eyes to map the LLVM IR back

The follwing is a snippet of code to find some indirect calls in a module, which I learned from TopDownClosure.cpp: void FPS::repairCallGraph(Module &M) { CompleteBUDataStructures &DS = getAnalysis<CompleteBUDataStructures>(); for (Module::iterator f = M.begin(); f != M.end(); ++f ) { if( f->isExternal() ) continue; for (Function::iterator I = f->begin(); I !=

Hi all, I have been trying to build a loop nesting analysis which works interprocedurally. In order to find the functions called inside a given loop, I am traversing the Instructions into the BasicBlock's that conform a Loop, and applying the code that CallGraph construction uses: ------ extract from CallGraph.cpp : 144 // Look for calls by this function. for (Function::iterator BB =

Hello all, It's been a month since my previous email on the topic, and since then I've done some initial work on porting the coroutines passes to the new pass manager. In total there are 6 patches -- that's a lot to review, so allow me to introduce the changes being made in each of them. # What's finished In these first 6 patches, I focused on lowering coroutine intrinsics

Thanks, maybe we could use ScalarEvolution in LazyValueInfo if it is available? On Mon, Jul 24, 2017 at 1:44 PM, John Regehr via llvm-dev < llvm-dev at lists.llvm.org> wrote: > Since they are different static analyses there's no reason to expect them > to agree, but they should both be conservative. In other words, if you like > you can compute the intersection of the two

Hi everyone! I have upgrade my fileserver from samba2-smbpasswd to samba3.0.23c with LDAP-PDC. Now i can't print to the printers on that server with NT4. "net use ..." is functional, but if I print to that printer, I get the error - free translated from german message - "The syntax of the filename, directory name or the disc-label is wrong." WinXP hasn't that

Hi everyone! I have some trouble with samba 3.0.23 as PDC for NT4 workstations with SP6a. I have upgraded from samba2. 1. The ntconfig.pol from the netlogon-share does'nt work. I get a prf1.tmp in the User-Profile-Folder and the policy wouldn't mix to the registry. In the Event-Log I found an entry "RegLoadKey ist mit dem Fehler 87 f?r C:\WINNT\Profiles\aba\prfD.tmp

On Mar 25, 2010, at 8:18 AM, John Criswell wrote: > Dear All, > > I'm currently upgrading SAFECode to the LLVM 2.7 API. I'm getting some > strange errors in LLVM Passes that use analysis groups and multiple > inheritance. Hey John, This is almost certainly due to the "eliminate rtti" work. You probably need to implement

On Monday 22 May 2006 22:22, Andrew Lenharth wrote: > On Mon, 2006-05-22 at 15:33 +0800, 澶忎竴姘� wrote: > > But my code does not always works: if the arguments are not pointer, > > CompleteBUDataStructures not records it. So, if you want to find all indirect > > calls, you maybe have to repair CompleteBUDataStructures. :) > > Not surprising, CBU is trying to do something

Say I want to find all LLVM Value*-es that a live on exit from a basic block. What's the best way? - The 'LiveRange', 'LiveVariables' and 'LiveIntervals' classes seem to be tied to register allocation. - The ./lib/Target/SparcV9/LiveVar/FunctionLiveVarInfo.h file seem to provide what I need, but it's no a public header. - Volodya

On Tue, 2006-05-23 at 13:32 +0800, Nai Xia wrote: > On Monday 22 May 2006 22:22, Andrew Lenharth wrote: > > On Mon, 2006-05-22 at 15:33 +0800, 澶忎竴姘� wrote: > > > But my code does not always works: if the arguments are not pointer, > > > CompleteBUDataStructures not records it. So, if you want to find all indirect > > > calls, you maybe have to repair

Hi everyone, I am writing a pass that finds all uses of global variables (my goal is to find the uses of strings, and strings are defined as global variables). So, I can iterate over global vars by for(Module::global_iterator gi = M.global_begin(), gend = M.global_end(); gi != gend; ++gi) ...... But if I use its def-use chain for(Value::use_iterator i = gi->use_begin(), e = F->use_end; i!=e;

Hi all, How can I get a reference to an instruction if I have a reference to an operand? For example, let suppose I have a reference to the ConstantExpr "getelementptr inbounds" in the following instruction: %4 = getelementptr i32* getelementptr inbounds ([8 x i32]* @__mem_grid_MOD_nnyp, i32 0, i32 0), i32 %3 then, how can I get a reference to the GetElementPtrInst object? The

On Wed, 11 May 2005, Alkis Evlogimenos wrote: > On Wed, 2005-05-11 at 13:17 -0500, Chris Lattner wrote: >> On Wed, 11 May 2005, Vladimir Prus wrote: >>> Say I want to find all LLVM Value*-es that a live on exit from a basic block. >>> What's the best way? >>> >>> - The 'LiveRange', 'LiveVariables' and 'LiveIntervals' classes