[LLVMbugs] [Bug 19829] New: SIGSEGV in 'X86 DAG->DAG Instruction Selection'

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu May 22 15:17:54 PDT 2014


http://llvm.org/bugs/show_bug.cgi?id=19829

            Bug ID: 19829
           Summary: SIGSEGV in 'X86 DAG->DAG Instruction Selection'
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: eocallaghan at alterapraxis.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12558
  --> http://llvm.org/bugs/attachment.cgi?id=12558&action=edit
invocation script

0  clang-3.5       0x0000000001129422 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1  clang-3.5       0x0000000001128cbc
2  libpthread.so.0 0x00007f69887494b0
3  clang-3.5       0x00000000014e94f9
Stack dump:
0.    Program arguments: /usr/local/bin/clang-3.5 -cc1 -triple i386---elf -S
-disable-free -disable-llvm-verifier -main-file-name amdlib.c
-mrelocation-model static -mno-zero-initialized-in-bss -relaxed-aliasing
-fmath-errno -masm-verbose -no-integrated-as -mconstructor-aliases -target-cpu
pentium4 -target-feature -mmx -target-feature +sse3 -g -nostdsysteminc
-nobuiltininc -D __PRE_RAM__ -Os -Wall -Wundef -Wstrict-prototypes
-Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wno-trigraphs
-Wstrict-aliasing -Wshadow -Werror -fconst-strings -fno-dwarf-directory-asm
-ferror-limit 19 -fmessage-length 0 -ffreestanding -mstackrealign -fno-builtin
-fobjc-runtime=gcc -fno-common -fdiagnostics-show-option -vectorize-loops
-vectorize-slp -x c amdlib-d1f1aa.c 
1.    <eof> parser at end of file
2.    Code generation
3.    Running pass 'Function Pass Manager' on module 'amdlib-d1f1aa.c'.
4.    Running pass 'X86 DAG->DAG Instruction Selection' on function
'@Read64Mem32'
/tmp/amdlib-d1f1aa.sh: line 1: 16968 Segmentation fault      (core dumped) [[
${#toks[@]} -ne 0 ]]

clang version 3.5.0 (209343)
Target: x86_64-unknown-linux-gnu
Thread model: posix

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