#9920: Segfault in arm binary -------------------------------------------+--------------------------- Reporter: erikd | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.11 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: arm Type of failure: Runtime crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | -------------------------------------------+--------------------------- Comment (by erikd): If I compile my test file `test.ll` with llvm-3.5 compiled from source I get: {{{ llc: /home/erikd/LLVM/llvm-3.5.0.src/lib/Target/ARM/InstPrinter/../ARMGenAsmWriter.inc:6048: void llvm::ARMInstPrinter::printInstruction(const llvm::MCInst *, llvm::raw_ostream &): Assertion `Bits != 0 && "Cannot print this instruction."' failed. 0 llc 0x0000000001391255 llvm::sys::PrintStackTrace(_IO_FILE*) + 37 1 llc 0x0000000001391a43 2 libpthread.so.0 0x00007ffa635718d0 3 libc.so.6 0x00007ffa6259e107 gsignal + 55 4 libc.so.6 0x00007ffa6259f4e8 abort + 328 5 libc.so.6 0x00007ffa62597226 6 libc.so.6 0x00007ffa625972d2 7 llc 0x0000000000a3df99 llvm::ARMInstPrinter::printInstruction(llvm::MCInst const*, llvm::raw_ostream&) + 17673 8 llc 0x0000000000a49052 llvm::ARMInstPrinter::printInst(llvm::MCInst const*, llvm::raw_ostream&, llvm::StringRef) + 4322 9 llc 0x00000000013171f5 10 llc 0x00000000008fa01c 11 llc 0x0000000000dbbba0 llvm::AsmPrinter::EmitFunctionBody() + 3840 12 llc 0x00000000008ebad6 13 llc 0x0000000000ea44fc llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 124 14 llc 0x00000000012c8cbb llvm::FPPassManager::runOnFunction(llvm::Function&) + 539 15 llc 0x00000000012c8f2b llvm::FPPassManager::runOnModule(llvm::Module&) + 43 16 llc 0x00000000012c94a7 llvm::legacy::PassManagerImpl::run(llvm::Module&) + 967 17 llc 0x00000000005926ea main + 6682 18 libc.so.6 0x00007ffa6258ab45 __libc_start_main + 245 19 llc 0x000000000058f62d Stack dump: 0. Program arguments: /home/erikd/LLVM/3.5/bin/llc -O3 -relocation- model=static --enable-tbaa=true -mattr=+v7,+vfp3 -float-abi=hard test.ll -o test.s 1. Running pass 'Function Pass Manager' on module 'test.ll'. 2. Running pass 'ARM Assembly / Object Emitter' on function '@"stg_init_finish$def"' }}} This does not happen with llvm-3.5 installed from Debian. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9920#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler