[LLVMdev] poolalloc crashed at PA::Heuristic::getLocalPoolNodes

[Paul Vario]

Hi Fellows,

    I tried to build and execute the poolalloc transformation on a simple C
program, but I got the following error. My poolalloc is git-cloned from
https://github.com/llvm-mirror/poolalloc (a LLVM 3.3 compatible repo). Any
thoughts on how to fix it?


PV at PV-h8-1280t:~/LLVM/llvm-3.3.src/projects/poolalloc$ opt -S -load
./Debug+Asserts/lib/LLVMDataStructure.so -load
./Debug+Asserts/lib/poolalloc.so -poolalloc < test.ll
Pool allocating 0 global nodes!
0  opt             0x00000000017381de llvm::sys::PrintStackTrace(_IO_FILE*)
+ 46
1  opt             0x000000000173849b
2  opt             0x000000000173870e
3  libpthread.so.0 0x00007f6f5d570cb0
4  poolalloc.so    0x00007f6f5bf73cbf
llvm::PA::Heuristic::getLocalPoolNodes(llvm::Function const&,
std::vector<llvm::DSNode const*, std::allocator<llvm::DSNode const*> >&) +
31
5  poolalloc.so    0x00007f6f5bfb8279
llvm::PoolAllocate::ProcessFunctionBody(llvm::Function&, llvm::Function&) +
633
6  poolalloc.so    0x00007f6f5bfb5b80
llvm::PoolAllocate::runOnModule(llvm::Module&) + 1312
7  opt             0x00000000016ad00a
llvm::MPPassManager::runOnModule(llvm::Module&) + 634
8  opt             0x00000000016ad7be
llvm::PassManagerImpl::run(llvm::Module&) + 302
9  opt             0x00000000016ada11 llvm::PassManager::run(llvm::Module&)
+ 33
10 opt             0x000000000063e5c1 main + 6609
11 libc.so.6       0x00007f6f5c5a076d __libc_start_main + 237
12 opt             0x000000000062fb75
Stack dump:
0.    Program arguments: opt -S -load
./Debug+Asserts/lib/LLVMDataStructure.so -load
./Debug+Asserts/lib/poolalloc.so -poolalloc
1.    Running pass 'Pool allocate disjoint data structures' on module
'<stdin>'.
drive_all.sh: line 3:  5947 Segmentation fault      (core dumped) opt -S
-load ./Debug+Asserts/lib/LLVMDataStructure.so -load
./Debug+Asserts/lib/poolalloc.so -poolalloc < test.ll



P.S. The input C program is the program listed in Figure 1 of Chris
Lattner's PLDI 2005 paper.


Best,
Paul
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