similar to: [LLVMdev] Regarding scope information for variable declaration.

Displaying 20 results from an estimated 1100 matches similar to: "[LLVMdev] Regarding scope information for variable declaration."

2013 Jul 12
0
[LLVMdev] Regarding scope information for variable declaration.
I have the same demand. Have you resolved this problems? if so, would you share me the solution? Best Regards. Eric -- View this message in context: http://llvm.1065342.n5.nabble.com/Regarding-scope-information-for-variable-declaration-tp47707p59268.html Sent from the LLVM - Dev mailing list archive at Nabble.com.
2013 Jul 15
2
[LLVMdev] Regarding scope information for variable declaration.
Hi Eric,  I was considering machine instructions to get scope information. And variable declaration does not correspond to machine instruction, hence the problem i.e. no scope associated with it. If 'i' is initialized in the 'if-scope' then we get 'variable i' mapped to correct scope as corresponding machine instruction is generated for this. This is not a problem as we
2013 Jul 15
0
[LLVMdev] Fwd: Regarding scope information for variable declaration.
Thank your reply. Pankaj. Actually, I have done it very similar to yours. But I think for my demand, it is better to implement in Front End. Maybe I will re-implement it later in clang. ---------- Forwarded message ---------- From: Pankaj Gode [via LLVM] <ml-node+s1065342n59345h22 at n5.nabble.com> Date: Mon, Jul 15, 2013 at 2:35 PM Subject: Re: Regarding scope information for variable
2015 Apr 22
3
[LLVMdev] what is the Line number of Phi Node with addr2line
reg2mem does not eliminate phi nodes the way codegen does, it just converts ssa values to non-ssa values. It's not the same thing. On Tue, Apr 21, 2015 at 10:14 PM, Eric Lu <eirc.lew at gmail.com> wrote: > By the way. When I remove these phi nodes with -reg2mem, some new load > operations will be inserted, but when I try cache load operations with: > visitFunction >
2015 Apr 22
3
[LLVMdev] what is the Line number of Phi Node with addr2line
Hi, Daniel I want to profile load/store operations, in order to reduce the overhead of profiling, I try to instrument the optimized llvm ir, which has phi nodes. BTW, when the value of some load/store operations may have multi-source, then the load will be translated into phi nodes, and all phi nodes are placed in the front of BB. Sometimes, the position is not where the load happens, is there
2015 Apr 22
2
[LLVMdev] Use clang to generate LLVM IR with -O3, how to visit these load operations after -reg2mem
Best Regards! Eric Lew On 周三, 4月 22, 2015 at 12:11 下午, David Blaikie < dblaikie at gmail.com [dblaikie at gmail.com] > wrote: On Tue, Apr 21, 2015 at 8:34 PM, Eric Lu <eirc.lew at gmail.com> wrote: > Hi, all > > I want to instrument load/store operations in LLVM IR. And I find the LLVM > IR generated with flag -o3 is much more efficient than -o0, so I try to >
2013 Jul 12
3
[LLVMdev] How to recognize the declaring code scopes of stack variables
Hi, If I want to know where the stack variables are declared? For example, whether it is declared within a loop or not? Like variables a[100] and temp. int a[100]; for( int i = 0; i < N; i++){ int temp; } Can this be done in LLVM IR? Or should be implemented in Clang. Thanks! Eric -------------- next part -------------- An HTML attachment was scrubbed... URL:
2015 Jun 12
5
[LLVMdev] How to change the linker of clang
1) Build clang with GCC-4.9.2, when compling other application s with clang/clang++, the default linker is ld, can I replace it with other linker tool, if we can, how to do it? I.E. can we use collect2 instead? 2) how to specify the path, if we do not use the default vertion GCC? Best Regards! Eric Lew -------------- next part -------------- An HTML attachment was scrubbed... URL:
2013 Jun 28
2
[LLVMdev] does clang and llvm take more time to compile c code
Hi, Ben gcc version is: 4.7.0 clang version is: 3.2 The command options are: 1) clang generated object files: clang -O3 -c *.c -o x.o link: clang *.o -lm -o mpeg2enc 2) gcc generated object files: gcc -O3 -c *.c -o x.o link: gcc *.o -lm -o mpeg2enc Yes, maybe it is the config introduced problems, I build it with enable debug options. Thanks! Eric On Thu, Jun 27, 2013 at 7:49 PM,
2015 Apr 22
2
[LLVMdev] what is the Line number of Phi Node with addr2line
Hi, all When compiling a program with -g -O0, and if we have a PC, then with addr2line, we can get the line number of the instruction. My quesions are: what is the result of Phi node instruction, can we get the similar results ? -- Best Regards! Eric Lew -------------- next part -------------- An HTML attachment was scrubbed... URL:
2015 Apr 22
2
[LLVMdev] Use clang to generate LLVM IR with -O3, how to visit these load operations after -reg2mem
Hi, all I want to instrument load/store operations in LLVM IR. And I find the LLVM IR generated with flag -o3 is much more efficient than -o0, so I try to instrument on these optimized LLVM IR, but, some load operations are changed to Phi loads. Then, I try the -reg2mem flag to remove these phi nodes. The problems are: 1) I use visitLoadInst to collect these load operations, and it seems I
2013 Jun 18
2
[LLVMdev] -indvars issues?
It seems there is no -enable-iv-rewrite now in llvm3.2, and it suggest -enable-load-pre, but it still does not work. So, how to active the transform? -- View this message in context: http://llvm.1065342.n5.nabble.com/indvars-issues-tp4646p58587.html Sent from the LLVM - Dev mailing list archive at Nabble.com.
2013 Jun 28
0
[LLVMdev] does clang and llvm take more time to compile c code
On Thu, Jun 27, 2013 at 6:04 PM, Eric Lu <eirc.lew at gmail.com> wrote: > Hi, Ben > gcc version is: 4.7.0 > clang version is: 3.2 > > The command options are: > 1) clang > generated object files: clang -O3 -c *.c -o x.o > link: clang *.o -lm -o mpeg2enc > > 2) gcc > generated object files: gcc -O3 -c *.c -o x.o > link: gcc *.o -lm -o mpeg2enc >
2013 Jun 27
2
[LLVMdev] does clang and llvm take more time to compile c code
Hello, all When I compile mpeg2enc of Mediabench, it seems clang and llvm take longer time than gcc. I meausre the time as follow: gcc -O3 8.190s clang -O3 20.253s will this means clang and llvm are slower than gcc in compiling c code. Eric -------------- next part -------------- An HTML attachment was scrubbed... URL:
2013 Jun 29
2
[LLVMdev] does clang and llvm take more time to compile c code
The options is cmake -DCMAKE_BUILD_TYPE="Debug" -DCMAKE_INSTALL_PREFIX=~software/llvmsvn -DCMAKE_EXPORT_COMPILE_COMMANDS=ON /home/xxx/lsoftware/llvm-3.2-svn $make $make install On Fri, Jun 28, 2013 at 12:37 PM, Eric Christopher <echristo at gmail.com>wrote: > On Thu, Jun 27, 2013 at 6:04 PM, Eric Lu <eirc.lew at gmail.com> wrote: > > Hi, Ben > > gcc
2013 Jun 27
0
[LLVMdev] does clang and llvm take more time to compile c code
On 27.06.2013, at 13:40, Eric Lu <eirc.lew at gmail.com> wrote: > Hello, all > > When I compile mpeg2enc of Mediabench, it seems clang and llvm take longer time than gcc. I meausre the time as follow: > > gcc -O3 8.190s > clang -O3 20.253s > > will this means clang and llvm are slower than gcc in compiling c code. Possibly. The timings are useless without
2015 Apr 16
2
[LLVMdev] Compile SPEC2006 with clang-3.2, multi definition errors.
When compile 403.gcc, there are link errors. 1) environment 1.1) OS Linux gnode107 2.6.18-128.el5 #1 SMP Wed Jan 21 10:41:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux *1.2) The default GCC compiler is * gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-44) Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for
2014 Jun 27
2
[LLVMdev] how create a pointer to FILE*
Hi, all I want to create a function in LLVM IR, whose type is: void _to_prof( FILE* ptrF); I do it within LLVM, but I don't know how build the parameter type for FILE* ptrF. Best Regards. Eric Lu -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140627/c49bdb2a/attachment.html>
2013 May 21
1
[LLVMdev] How to find the first block of each loop
Hello, I want to insert a control-block before every outermost loop. My current solution is: 1) find each outermost loop in some function; 2) find the loop header with Loop->getHeader() APIs, and then insert the controller block before the header block of current loop. But I encounters problems when there multi subsequent loops in the following example, where there is no code between loops:
2017 May 09
2
lib/CodeGen/AsmPrinter/DwarfDebug.h:131: void llvm::DbgVariable::addMMIEntry(const llvm::DbgVariable&): Assertion `V.Var == Var && "conflicting variable"' failed.
David, Dean, all, The bots got red today with assertion failures in llvm::DbgVariable::addMMIEntry: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/1816/steps/check-msan%20in%20gcc%20build/logs/stdio I did not find the offender yet. Any ideas? clang-5.0: /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h:131: void