Hi.All
I had a problem in using llvm::InstVisitor class, my pass is like that:
using namespace llvm;
namespace
{
class InstVisit : public ModulePass,
public InstVisitor<InstVisit>
{
public :
static char ID;
InstVisit():ModulePass(ID){}
virtual bool runOnModule(Module &M)
{
visit(M);
return false;
}
void visitStoreInst(StoreInst &SI)
{
errs()<<"a store
inst:"<<&SI<<"\n";
}
};
char InstVisit::ID = 0;
static RegisterPass<InstVisit>
X("visitInst","visit inst test");
}
then I use
opt -load /home/king/llvm/Release+Asserts/lib/instVisit.so
-visitInst<load.bc> /dev/null
to run the pass. but it appears such errors:
0 opt 0x00000000012700d2 llvm::sys::PrintStackTrace(_IO_FILE*)
+ 34
1 opt 0x000000000126fd29
2 libpthread.so.0 0x00007f9ba0336bd0
3 instVisit.so 0x00007f9b9f33a200
4 opt 0x00000000012081ef
llvm::MPPassManager::runOnModule(llvm::Module&) + 655
5 opt 0x0000000001209f7f
llvm::PassManagerImpl::run(llvm::Module&) + 223
6 opt 0x000000000057e1ac main + 3772
7 libc.so.6 0x00007f9b9f55eea5 __libc_start_main + 245
8 opt 0x000000000058fe65
Stack dump:
0. Program arguments: opt -load
/home/king/llvm/Release+Asserts/lib/instVisit.so -visitInst
1. Running pass 'visit inst test' on module '<stdin>'.
Segmentation fault (core dumped)
the load.c is :
int main() {
int x, y, z;
x = 12;
y = x + 22; /* load value of x that was just stored */
z = y + 33; /* load value of y that was just stored */
return z;
}
there is no stdin in the program .but why it says "Running pass 'visit
inst
test' on module '<stdin>'."
Thank You!
-JinHuang
-----
Kind Regards!
-JinHuang
--
View this message in context:
http://llvm.1065342.n5.nabble.com/InstVisitor-usage-problem-tp64909.html
Sent from the LLVM - Dev mailing list archive at Nabble.com.
The opt invocation looks weird to me. I would expect something like: opt -load /home/king/llvm/Release+Asserts/lib/instVisit.so -visitInst load.bc Cheers, -- Arnaud On Thu, Jan 9, 2014 at 1:49 PM, JinHuang <54jin.huang at gmail.com> wrote:> Hi.All > I had a problem in using llvm::InstVisitor class, my pass is like that: > > using namespace llvm; > > namespace > { > class InstVisit : public ModulePass, > public > InstVisitor<InstVisit> > { > public : > static char ID; > InstVisit():ModulePass(ID){} > > virtual bool runOnModule(Module &M) > { > visit(M); > return false; > } > > void visitStoreInst(StoreInst &SI) > { > errs()<<"a store inst:"<<&SI<<"\n"; > } > }; > > char InstVisit::ID = 0; > static RegisterPass<InstVisit> > X("visitInst","visit inst test"); > } > > then I use > opt -load /home/king/llvm/Release+Asserts/lib/instVisit.so > -visitInst<load.bc> /dev/null > to run the pass. but it appears such errors: > > 0 opt 0x00000000012700d2 llvm::sys::PrintStackTrace(_IO_FILE*) > + 34 > 1 opt 0x000000000126fd29 > 2 libpthread.so.0 0x00007f9ba0336bd0 > 3 instVisit.so 0x00007f9b9f33a200 > 4 opt 0x00000000012081ef > llvm::MPPassManager::runOnModule(llvm::Module&) + 655 > 5 opt 0x0000000001209f7f > llvm::PassManagerImpl::run(llvm::Module&) + 223 > 6 opt 0x000000000057e1ac main + 3772 > 7 libc.so.6 0x00007f9b9f55eea5 __libc_start_main + 245 > 8 opt 0x000000000058fe65 > Stack dump: > 0. Program arguments: opt -load > /home/king/llvm/Release+Asserts/lib/instVisit.so -visitInst > 1. Running pass 'visit inst test' on module '<stdin>'. > Segmentation fault (core dumped) > > the load.c is : > > int main() { > int x, y, z; > > x = 12; > y = x + 22; /* load value of x that was just stored */ > z = y + 33; /* load value of y that was just stored */ > return z; > } > > there is no stdin in the program .but why it says "Running pass 'visit inst > test' on module '<stdin>'." > > Thank You! > > -JinHuang > > > > > ----- > Kind Regards! > -JinHuang > -- > View this message in context: > http://llvm.1065342.n5.nabble.com/InstVisitor-usage-problem-tp64909.html > Sent from the LLVM - Dev mailing list archive at Nabble.com. > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140109/f2780c20/attachment.html>
Sorry, I copied it from the shell, so the format may be not right! I used the opt command just like you wrote! Thanks. -JinHuang 2014/1/9 Arnaud Allard de Grandmaison <arnaud.adegm at gmail.com>> The opt invocation looks weird to me. I would expect something like: > > opt -load /home/king/llvm/Release+Asserts/lib/instVisit.so -visitInst > load.bc > > Cheers, > -- > Arnaud > > > On Thu, Jan 9, 2014 at 1:49 PM, JinHuang <54jin.huang at gmail.com> wrote: > >> Hi.All >> I had a problem in using llvm::InstVisitor class, my pass is like that: >> >> using namespace llvm; >> >> namespace >> { >> class InstVisit : public ModulePass, >> public >> InstVisitor<InstVisit> >> { >> public : >> static char ID; >> InstVisit():ModulePass(ID){} >> >> virtual bool runOnModule(Module &M) >> { >> visit(M); >> return false; >> } >> >> void visitStoreInst(StoreInst &SI) >> { >> errs()<<"a store inst:"<<&SI<<"\n"; >> } >> }; >> >> char InstVisit::ID = 0; >> static RegisterPass<InstVisit> >> X("visitInst","visit inst test"); >> } >> >> then I use >> opt -load /home/king/llvm/Release+Asserts/lib/instVisit.so >> -visitInst<load.bc> /dev/null >> to run the pass. but it appears such errors: >> >> 0 opt 0x00000000012700d2 >> llvm::sys::PrintStackTrace(_IO_FILE*) >> + 34 >> 1 opt 0x000000000126fd29 >> 2 libpthread.so.0 0x00007f9ba0336bd0 >> 3 instVisit.so 0x00007f9b9f33a200 >> 4 opt 0x00000000012081ef >> llvm::MPPassManager::runOnModule(llvm::Module&) + 655 >> 5 opt 0x0000000001209f7f >> llvm::PassManagerImpl::run(llvm::Module&) + 223 >> 6 opt 0x000000000057e1ac main + 3772 >> 7 libc.so.6 0x00007f9b9f55eea5 __libc_start_main + 245 >> 8 opt 0x000000000058fe65 >> Stack dump: >> 0. Program arguments: opt -load >> /home/king/llvm/Release+Asserts/lib/instVisit.so -visitInst >> 1. Running pass 'visit inst test' on module '<stdin>'. >> Segmentation fault (core dumped) >> >> the load.c is : >> >> int main() { >> int x, y, z; >> >> x = 12; >> y = x + 22; /* load value of x that was just stored */ >> z = y + 33; /* load value of y that was just stored */ >> return z; >> } >> >> there is no stdin in the program .but why it says "Running pass 'visit >> inst >> test' on module '<stdin>'." >> >> Thank You! >> >> -JinHuang >> >> >> >> >> ----- >> Kind Regards! >> -JinHuang >> -- >> View this message in context: >> http://llvm.1065342.n5.nabble.com/InstVisitor-usage-problem-tp64909.html >> Sent from the LLVM - Dev mailing list archive at Nabble.com. >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140109/457d2b05/attachment.html>