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Bill He

2013-Apr-12 03:30 UTC

[LLVMdev] Runtime exception in DominatorTree.getRootNode()

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
  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
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John Criswell

2013-Apr-12 14:32 UTC

head link

[LLVMdev] Runtime exception in DominatorTree.getRootNode()

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         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
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Bill He

2013-Apr-12 14:51 UTC

head link

[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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