[llvm-bugs] [Bug 25332] New: ARM core dump compiling inline asm.

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Tue Oct 27 18:39:45 PDT 2015


https://llvm.org/bugs/show_bug.cgi?id=25332

            Bug ID: 25332
           Summary: ARM core dump compiling inline asm.
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: rich at pennware.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15177
  --> https://llvm.org/bugs/attachment.cgi?id=15177&action=edit
The failing ll file.

This may be related to bug 25330, but it has a different signature.
If I llc the included test case, I get a core dump, but no assertion.

[~] dev% ~/llvm-dir//bin/llc bugpoint-reduced-simplified.ll
#0 0x19417a5 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/home/rich/llvm-dir/bin/llc+0x19417a5)
#1 0x1940886 llvm::sys::RunSignalHandlers()
(/home/rich/llvm-dir/bin/llc+0x1940886)
#2 0x1940aa4 (/home/rich/llvm-dir/bin/llc+0x1940aa4)
#3 0x37bf6100d0 __restore_rt (/lib64/libpthread.so.0+0x37bf6100d0)
#4 0x11ebc4c (/home/rich/llvm-dir/bin/llc+0x11ebc4c)
#5 0x11ecb0e (/home/rich/llvm-dir/bin/llc+0x11ecb0e)
#6 0x11f3311 (/home/rich/llvm-dir/bin/llc+0x11f3311)
#7 0x6090cb _init (/home/rich/llvm-dir/bin/llc+0x6090cb)
#8 0x11f4fac (/home/rich/llvm-dir/bin/llc+0x11f4fac)
#9 0x11f6993 (/home/rich/llvm-dir/bin/llc+0x11f6993)
#10 0x18b7dd3 llvm::FPPassManager::runOnFunction(llvm::Function&)
(/home/rich/llvm-dir/bin/llc+0x18b7dd3)
#11 0x18b841b llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/home/rich/llvm-dir/bin/llc+0x18b841b)
#12 0x69cd66 (/home/rich/llvm-dir/bin/llc+0x69cd66)
#13 0x661848 main (/home/rich/llvm-dir/bin/llc+0x661848)
#14 0x37bea1ffe0 __libc_start_main (/lib64/libc.so.6+0x37bea1ffe0)
#15 0x695417 _start (/home/rich/llvm-dir/bin/llc+0x695417)
Stack dump:
0.      Program arguments: /home/rich/llvm-dir//bin/llc
bugpoint-reduced-simplified.ll 
1.      Running pass 'Function Pass Manager' on module
'bugpoint-reduced-simplified.ll'.
2.      Running pass 'CodeGen Prepare' on function '@s2io_msix_ring_handle'
Segmentation fault (core dumped)

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