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Bill He

2013-Apr-12 14:51 UTC

[LLVMdev] Runtime exception in DominatorTree.getRootNode()

Thanks for your reply, John.

I am using opt to run my pass. Should opt by default link in the library?
Would you please give me some idea on fixing it? Thanks!

opt -load ../../../Debug+Asserts/lib/LLVMHello.dylib -hello < hello.bc >
/dev/null

 My pass is just:

#include "llvm/IR/Function.h"
#include "llvm/Pass.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Analysis/Dominators.h"

using namespace llvm;

namespace {
  struct Hello : public FunctionPass {
    static char ID;
    Hello() : FunctionPass(ID) { }
    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
      AU.addRequired<DominatorTree>();
    }
    virtual bool runOnFunction(Function &F) {
      DominatorTree& DT = getAnalysis<DominatorTree>();
      BasicBlock* BB = DT.getRoot();
      return false;
    }
  };
}
char Hello::ID = 0;
static RegisterPass<Hello> Z("hello", "My test
analysis", true, true);


On Fri, Apr 12, 2013 at 9:32 AM, John Criswell <criswell at
illinois.edu>wrote:
>  On 4/11/13 10:30 PM, Bill He wrote:
>
> Hi all,
>
>  I am trying to traverse a dominator tree and have encountered a weird
> runtime exception:
>
>  Here's my simple code:
>
>      virtual bool runOnFunction(Function &F) {
>       DominatorTree& DT = getAnalysis<DominatorTree>();
>
>    *    DomTreeNode* rootNode = DT.getRootNode();*
>       return false.
> }
>
>  Here's the documentation page:
> http://llvm.org/docs/doxygen/html/classllvm_1_1DominatorTree.html
>
>  And here's my runtime exception:
>  dyld: lazy symbol binding failed: Symbol not found:
> __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>   Referenced from:
> /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>
>
> How are you running your pass?  Based on the error, it looks like whatever
> tool you're using to run your pass doesn't have the library
defining the
> DominatorTree code linked in.
>
> -- John T.
>
>     Expected in: flat namespace
>
>  dyld: Symbol not found:
> __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>   Referenced from:
> /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>   Expected in: flat namespace
>
>  0  opt               0x0000000105f528de
> llvm::sys::PrintStackTrace(__sFILE*) + 46
> 1  opt               0x0000000105f52beb
> _ZL28PrintStackTraceSignalHandlerPv + 27
> 2  opt               0x0000000105f52ef9 _ZL13SignalHandleri + 297
> 3  libsystem_c.dylib 0x00007fff90d32cfa _sigtramp + 26
> 4  libsystem_c.dylib 0xfffffffffffffff8 _sigtramp + 1865208600
> 5  libsystem_c.dylib 0x00007fff64a41948 _sigtramp + 3553684584
> 6  libdyld.dylib     0x00007fff8afe2716 dyld_stub_binder_ + 13
> 7  LLVMSLVN.dylib    0x00000001081a8040 void
> std::__destroy_aux<llvm::PassInfo const**>(llvm::PassInfo const**,
> llvm::PassInfo const**, std::__true_type) + 19904
> 8  LLVMSLVN.dylib    0x00000001081998c1 (anonymous
> namespace)::DVN::runOnFunction(llvm::Function&) + 65
> 9  opt               0x0000000105eb27b2
> llvm::FPPassManager::runOnFunction(llvm::Function&) + 434
> 10 opt               0x0000000105eb2a98
> llvm::FPPassManager::runOnModule(llvm::Module&) + 104
> 11 opt               0x0000000105eb2e9a
> llvm::MPPassManager::runOnModule(llvm::Module&) + 634
>  12 opt               0x0000000105eb36ae
> llvm::PassManagerImpl::run(llvm::Module&) + 302
> 13 opt               0x0000000105eb3951
> llvm::PassManager::run(llvm::Module&) + 33
> 14 opt               0x0000000104e4d335 main + 6549
> 15 opt               0x0000000104e3e434 start + 52
> Stack dump:
> 0. Program arguments: opt -load ../../../Debug+Asserts/lib/LLVMSLVN.dylib
> -dvn
> 1. Running pass 'Function Pass Manager' on module
'<stdin>'.
> 2. Running pass 'My test analysis' on function '@main'
>
>
>  Any idea on why this is happening? Any help or suggestion is
> appreciated! Thanks in advance.
>
>  Best,
> Weibo
>
>
>
> _______________________________________________
> LLVM Developers mailing listLLVMdev at cs.uiuc.edu        
http://llvm.cs.uiuc.eduhttp://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
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John Criswell

2013-Apr-12 15:03 UTC

head link

[LLVMdev] Runtime exception in DominatorTree.getRootNode()

On 4/12/13 9:51 AM, Bill He wrote:> Thanks for your reply, John.
>
> I am using opt to run my pass. Should opt by default link in the 
> library? Would you please give me some idea on fixing it? Thanks!
Odd.  I would think that opt would have that pass linked in statically.

I'm not sure why it's not working.  Does anyone else have an idea?

-- John T.
>
> opt -load ../../../Debug+Asserts/lib/LLVMHello.dylib -hello < hello.bc 
> > /dev/null
>
>  My pass is just:
>
> #include "llvm/IR/Function.h"
> #include "llvm/Pass.h"
> #include "llvm/Support/raw_ostream.h"
> #include "llvm/Analysis/Dominators.h"
>
> using namespace llvm;
>
> namespace {
>   struct Hello : public FunctionPass {
>     static char ID;
>     Hello() : FunctionPass(ID) { }
>     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
>       AU.addRequired<DominatorTree>();
>     }
>     virtual bool runOnFunction(Function &F) {
>       DominatorTree& DT = getAnalysis<DominatorTree>();
>       BasicBlock* BB = DT.getRoot();
>       return false;
>     }
>   };
> }
> char Hello::ID = 0;
> static RegisterPass<Hello> Z("hello", "My test
analysis", true, true);
>
>
> On Fri, Apr 12, 2013 at 9:32 AM, John Criswell <criswell at illinois.edu
> <mailto:criswell at illinois.edu>> wrote:
>
>     On 4/11/13 10:30 PM, Bill He wrote:
>>     Hi all,
>>
>>     I am trying to traverse a dominator tree and have encountered a
>>     weird runtime exception:
>>
>>     Here's my simple code:
>>
>>       virtual bool runOnFunction(Function &F) {
>>         DominatorTree& DT = getAnalysis<DominatorTree>();
>>
>>     *    DomTreeNode* rootNode = DT.getRootNode();*
>>         return false.
>>     }
>>
>>     Here's the documentation page:
>>     http://llvm.org/docs/doxygen/html/classllvm_1_1DominatorTree.html
>>
>>     And here's my runtime exception:
>>     dyld: lazy symbol binding failed: Symbol not found:
>>     __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>>       Referenced from:
>>     /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>
>     How are you running your pass?  Based on the error, it looks like
>     whatever tool you're using to run your pass doesn't have the
>     library defining the DominatorTree code linked in.
>
>     -- John T.
>
>>       Expected in: flat namespace
>>
>>     dyld: Symbol not found:
>>     __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>>       Referenced from:
>>     /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>>       Expected in: flat namespace
>>
>>     0  opt               0x0000000105f528de
>>     llvm::sys::PrintStackTrace(__sFILE*) + 46
>>     1  opt               0x0000000105f52beb
>>     _ZL28PrintStackTraceSignalHandlerPv + 27
>>     2  opt               0x0000000105f52ef9 _ZL13SignalHandleri + 297
>>     3  libsystem_c.dylib 0x00007fff90d32cfa _sigtramp + 26
>>     4  libsystem_c.dylib 0xfffffffffffffff8 _sigtramp + 1865208600
>>     5  libsystem_c.dylib 0x00007fff64a41948 _sigtramp + 3553684584
>>     6  libdyld.dylib     0x00007fff8afe2716 dyld_stub_binder_ + 13
>>     7  LLVMSLVN.dylib    0x00000001081a8040 void
>>     std::__destroy_aux<llvm::PassInfo const**>(llvm::PassInfo
>>     const**, llvm::PassInfo const**, std::__true_type) + 19904
>>     8  LLVMSLVN.dylib    0x00000001081998c1 (anonymous
>>     namespace)::DVN::runOnFunction(llvm::Function&) + 65
>>     9  opt               0x0000000105eb27b2
>>     llvm::FPPassManager::runOnFunction(llvm::Function&) + 434
>>     10 opt               0x0000000105eb2a98
>>     llvm::FPPassManager::runOnModule(llvm::Module&) + 104
>>     11 opt               0x0000000105eb2e9a
>>     llvm::MPPassManager::runOnModule(llvm::Module&) + 634
>>     12 opt               0x0000000105eb36ae
>>     llvm::PassManagerImpl::run(llvm::Module&) + 302
>>     13 opt               0x0000000105eb3951
>>     llvm::PassManager::run(llvm::Module&) + 33
>>     14 opt               0x0000000104e4d335 main + 6549
>>     15 opt               0x0000000104e3e434 start + 52
>>     Stack dump:
>>     0.Program arguments: opt -load
>>     ../../../Debug+Asserts/lib/LLVMSLVN.dylib -dvn
>>     1.Running pass 'Function Pass Manager' on module
'<stdin>'.
>>     2.Running pass 'My test analysis' on function
'@main'
>>
>>
>>     Any idea on why this is happening? Any help or suggestion is
>>     appreciated! Thanks in advance.
>>
>>     Best,
>>     Weibo
>>
>>
>>
>>     _______________________________________________
>>     LLVM Developers mailing list
>>     LLVMdev at cs.uiuc.edu  <mailto:LLVMdev at cs.uiuc.edu>      
http://llvm.cs.uiuc.edu
>>     http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
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Cristianno Martins

2013-Apr-12 16:17 UTC

head link

[LLVMdev] Runtime exception in DominatorTree.getRootNode()

Hi Weibo,

I thought would be more efficient discussing here (I just saw that every
info was replicated on both emails you were sending to me).

I just run your example here on my working machine, and I didn't have any
issues with the namespace. Just tell me one thing: which line (and flags)
are you using when configuring and make your build llvm directory?

Oh, and one more thing: what is on your $PATH?

Cheers,


--
Cristianno Martins
PhD Student of Computer Science
University of Campinas
cmartins at ic.unicamp.br
<cristiannomartins at hotmail.com>


On Fri, Apr 12, 2013 at 12:03 PM, John Criswell <criswell at
illinois.edu>wrote:
>  On 4/12/13 9:51 AM, Bill He wrote:
>
> Thanks for your reply, John.
>
>  I am using opt to run my pass. Should opt by default link in the
> library? Would you please give me some idea on fixing it? Thanks!
>
>
> Odd.  I would think that opt would have that pass linked in statically.
>
> I'm not sure why it's not working.  Does anyone else have an idea?
>
> -- John T.
>
>
>
>  opt -load ../../../Debug+Asserts/lib/LLVMHello.dylib -hello < hello.bc
>
> /dev/null
>
>   My pass is just:
>
>  #include "llvm/IR/Function.h"
> #include "llvm/Pass.h"
> #include "llvm/Support/raw_ostream.h"
> #include "llvm/Analysis/Dominators.h"
>
>  using namespace llvm;
>
>  namespace {
>   struct Hello : public FunctionPass {
>     static char ID;
>     Hello() : FunctionPass(ID) { }
>     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
>       AU.addRequired<DominatorTree>();
>     }
>     virtual bool runOnFunction(Function &F) {
>       DominatorTree& DT = getAnalysis<DominatorTree>();
>       BasicBlock* BB = DT.getRoot();
>       return false;
>     }
>   };
> }
> char Hello::ID = 0;
> static RegisterPass<Hello> Z("hello", "My test
analysis", true, true);
>
>
> On Fri, Apr 12, 2013 at 9:32 AM, John Criswell <criswell at
illinois.edu>wrote:
>
>>  On 4/11/13 10:30 PM, Bill He wrote:
>>
>> Hi all,
>>
>>  I am trying to traverse a dominator tree and have encountered a weird
>> runtime exception:
>>
>>  Here's my simple code:
>>
>>      virtual bool runOnFunction(Function &F) {
>>       DominatorTree& DT = getAnalysis<DominatorTree>();
>>
>>    *    DomTreeNode* rootNode = DT.getRootNode();*
>>       return false.
>> }
>>
>>  Here's the documentation page:
>> http://llvm.org/docs/doxygen/html/classllvm_1_1DominatorTree.html
>>
>>  And here's my runtime exception:
>>  dyld: lazy symbol binding failed: Symbol not found:
>> __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>>   Referenced from:
>> /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>>
>>
>>  How are you running your pass?  Based on the error, it looks like
>> whatever tool you're using to run your pass doesn't have the
library
>> defining the DominatorTree code linked in.
>>
>> -- John T.
>>
>>      Expected in: flat namespace
>>
>>  dyld: Symbol not found:
>> __ZN4llvm17DominatorTreeBaseINS_10BasicBlockEE11getRootNodeEv
>>   Referenced from:
>> /Users/weibohe/Projects/llvm/llvm/Debug+Asserts/lib/LLVMSLVN.dylib
>>   Expected in: flat namespace
>>
>>  0  opt               0x0000000105f528de
>> llvm::sys::PrintStackTrace(__sFILE*) + 46
>> 1  opt               0x0000000105f52beb
>> _ZL28PrintStackTraceSignalHandlerPv + 27
>> 2  opt               0x0000000105f52ef9 _ZL13SignalHandleri + 297
>> 3  libsystem_c.dylib 0x00007fff90d32cfa _sigtramp + 26
>> 4  libsystem_c.dylib 0xfffffffffffffff8 _sigtramp + 1865208600
>> 5  libsystem_c.dylib 0x00007fff64a41948 _sigtramp + 3553684584
>> 6  libdyld.dylib     0x00007fff8afe2716 dyld_stub_binder_ + 13
>> 7  LLVMSLVN.dylib    0x00000001081a8040 void
>> std::__destroy_aux<llvm::PassInfo const**>(llvm::PassInfo
const**,
>> llvm::PassInfo const**, std::__true_type) + 19904
>> 8  LLVMSLVN.dylib    0x00000001081998c1 (anonymous
>> namespace)::DVN::runOnFunction(llvm::Function&) + 65
>> 9  opt               0x0000000105eb27b2
>> llvm::FPPassManager::runOnFunction(llvm::Function&) + 434
>> 10 opt               0x0000000105eb2a98
>> llvm::FPPassManager::runOnModule(llvm::Module&) + 104
>> 11 opt               0x0000000105eb2e9a
>> llvm::MPPassManager::runOnModule(llvm::Module&) + 634
>>  12 opt               0x0000000105eb36ae
>> llvm::PassManagerImpl::run(llvm::Module&) + 302
>> 13 opt               0x0000000105eb3951
>> llvm::PassManager::run(llvm::Module&) + 33
>> 14 opt               0x0000000104e4d335 main + 6549
>> 15 opt               0x0000000104e3e434 start + 52
>> Stack dump:
>> 0. Program arguments: opt -load
>> ../../../Debug+Asserts/lib/LLVMSLVN.dylib -dvn
>> 1. Running pass 'Function Pass Manager' on module
'<stdin>'.
>> 2. Running pass 'My test analysis' on function '@main'
>>
>>
>>  Any idea on why this is happening? Any help or suggestion is
>> appreciated! Thanks in advance.
>>
>>  Best,
>> Weibo
>>
>>
>>
>>  _______________________________________________
>> LLVM Developers mailing listLLVMdev at cs.uiuc.edu        
http://llvm.cs.uiuc.eduhttp://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>>
>>
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
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