similar to: [LLVMdev] Given Filename and line number, how to get its basicblock?

On Sep 23, 2009, at 10:37 PM, hc2428 at columbia.edu wrote: > Dear developers, > Here I met a question: if I got a file called foo.c, and I want > to know which BasicBlock contains the 30 th line in foo.c, how can I > get this BasicBlock in LLVM? > Hi Heming, The only way I can think of to do this is to look at the debug information. Devang's been hard at work recoding

Dear developers: When I am doing basicblock pass, I meet a bug: there is an iterator "I" in a basicblock, and it is not pointing to the first instruction in this basicblock. However, "I--;" will fail by an assertion. The basic block ("I" is pointing to the second instruction) in test.ll: bb: ; preds = %bb1 %1 = call i32 (i8*, ...)* @printf(i8* noalias

Quoting Chris Lattner <clattner at apple.com>: Dear staff, I am using the ds-aa to pass mysqld. I compile mysqld 4.0.12 statically (compile all libraries statically to the executable) and got the bc file, named it as mysqld.bc3. I use the command to pass: opt -load <poolalloc install dir>/lib/libLLVMDataStructure.so -ds-aa mysqld.bc3 -print-alias-sets -disable-output

Dear folks, If I want to setup a mapping between an LLVM instruction and the x86 assembly instructions it generates, is this possible? Or, an equavalent question is, when LLVM is emitting assebmly instructions, will it transform a set of LLVM instructions to a set of assembly instructions, or transform each LLVM instruction to assembly instructions independently? -- Regards, Heming Cui

Dear staff, I downloaded an llvm version from the svn trunk at June 12, because the released 2.5 version can not support "gcc -g -Ox", and x=1,2,3. I use the version in svn to compile an httpd.bc file succefully with dbgstoppoint() functions. However, when I use llc to compile the bc file to .s file (llc -f -o httpd.s httpd.bc), I met this error (the httpd.bc file will be

Quoting hc2428 at columbia.edu: Dear staff, Here is the bc file. Heming > Quoting Chris Lattner <clattner at apple.com>: > > Dear staff, > I am using the ds-aa to pass mysqld. I compile mysqld 4.0.12 > statically (compile all libraries statically to the executable) and > got the bc file, named it as mysqld.bc3. > I use the command to pass: > > opt

On 27 Sep., 05:45, hc2... at columbia.edu wrote: > Dear developers: >      When I am doing basicblock pass, I meet a bug: there is an   > iterator "I" in a basicblock, and it is not pointing to the first   > instruction in this basicblock. However, "I--;" will fail by an   > assertion. Hi hc! are you on SVN trunk? Cheers, Gabor > > The basic block

AAAH! I see you are still at 2.5. Then this patch (the fix) is relevant for you: <http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/ ilist.h?r1=66061&r2=68785&diff_format=h> Cheers, Gabor On 27 Sep., 05:45, hc2... at columbia.edu wrote: > Dear developers: >      When I am doing basicblock pass, I meet a bug: there is an   > iterator "I" in

Dear Staff, Here are some questions on the output formats of AliasSetTracker. The code is as below: int G1 = 9; int G2 = 5; int main() { int * XX; int * YY; XX = &G1; YY = XX; YY = &G2; XX = &G2; } The output for -anders-aa is: Alias Set Tracker: 5 alias sets for 4 pointer values. AliasSet[0xea6fb0,0] may alias, Mod/Ref 10 Call Sites: void ({ }*)*

Dear all, I am wondering if there is some API to add extern function declaration to bc file. For example, as given below, I want to add the line "extern void foo();" to my bc file with some llvm methods, how can I do this, please? extern void foo(); // the llvm bc code is: declare void @_Z3foov(). How can I add this line to llvm bc using some llvm methods?

On Wed, May 13, 2009 at 1:36 PM, <hc2428 at columbia.edu> wrote: > Quoting Chris Lattner <clattner at apple.com>: > > Dear staff, >     I am using the ds-aa to pass mysqld. I compile mysqld 4.0.12 > statically (compile all libraries statically to the executable) and > got the bc file, named it as mysqld.bc3. >     I use the command to pass: > > opt -load

On Mon, Oct 25, 2010 at 12:39 PM, Heming Cui <hc2428 at columbia.edu> wrote: > Dear folks, >     If I want to setup a mapping between an LLVM instruction and the x86 > assembly instructions it generates, is this possible? >     Or, an equavalent question is, when LLVM is emitting assebmly > instructions, will it transform a set of LLVM instructions to a set of > assembly

On Thu, May 7, 2009 at 5:07 PM, <hc2428 at columbia.edu> wrote: > However, I am a little confused with these output. In Both anders-aa > and steens-aa, XX and YY should stay in the same AliasSet, and their > alias relationship should be May Alias, right? %XX and %YY are the results of alloca instructions (i.e. equivalent to the C expressions "&XX" and

Dear all, May I know whether Interpreter in llvm-2.6 can handle clone() call (with CLONE_VM flag)? Another small question is: since JIT only invokes the main() function in a program once, and does not have control to the execution while main() is running, what is the benefit of using JIT? -- Regards, Heming Cui -------------- next part -------------- An HTML attachment was scrubbed...

Dear Staff, I am asking this question: given a line of IR code in *.ll file, how can I know the corresponding line number and C/C++ source file name for this IR code? I am investigating some code patterns with LLVM IR, I need to know where this IR code come from (the line number in a source file name). An existing way is using -g option to compile my software, then I can

Hi, I am trying to set loop unrolling as a required pass. AU.addRequired<LoopUnroll>(); should I include any header file? How can I be possessive that "LoopUnroll" is the name I need ? Thanks. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20090606/aaab7bd1/attachment.html>

Dear Staff, I am reading the paper "Making Context-sensitive Points-to Analysis with Heap Cloning Practical For The Real World", and I build the poolalloc module, and run the program in Figure 1 in this paper with -ds-aa alias analysis. Now I know that X and Y in the program would have distinct PoolDescriptors to make them disjoint data structures. However, how can we

Dear all, I hope you enjoy your christmas! Recently I started to play lli with bc. I found that the lli only calls the main() function in bc file and then does nothing before the main() function returns, which means that the JIT::runFunction() function is involved only once with the main() function in bc file. If this was true, then lli does not have any control to the execution of program.

Quoting Eli Friedman <eli.friedman at gmail.com>: Dear Eli, Thanks very much for your reply. I have modified the XX and YY to be global variables, but the output of AliasSetTracker are still MUST alias: Alias Set Tracker: 5 alias sets for 4 pointer values. AliasSet[0xea55d0,0] may alias, Mod/Ref 8 Call Sites: void ({ }*)* @llvm.dbg.func.start, void (i32, i32, { }*)*

Hi Eli, Thanks for your reply. If I add -force-interpreter to lli, then it seems that it can not run external function like printf or malloc. Is there any easy way to solve this problem? On Wed, Dec 30, 2009 at 11:26 PM, Eli Friedman <eli.friedman at gmail.com>wrote: > On Wed, Dec 30, 2009 at 7:53 PM, Heming Cui <heming at cs.columbia.edu> > wrote: > > Dear all, >