[LLVMbugs] [Bug 16011] New: llc 3.3rc1 fails to compile attached ll file

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed May 15 03:58:22 PDT 2013


            Bug ID: 16011
           Summary: llc 3.3rc1 fails to compile attached ll file
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: babslachem at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10512
  --> http://llvm.org/bugs/attachment.cgi?id=10512&action=edit
ll file to reproduce problem

When I run llc 3.3rc1 on ARM on attached file it fails when processing debug
info as follows:

llc: /home/deldon/Work/llvm/3.3rc1/sources/lib/CodeGen/LexicalScopes.cpp:191:
llvm::LexicalScope* llvm::LexicalScopes::getOrCreateAbstractScope(const
llvm::MDNode*): Assertion `N && "Invalid Scope encoding!"' failed.
Stack dump:
0.    Program arguments: /home/deldon/Work/llvm/3.3rc1/bin.arm/bin/llc
./core_list_join.llvm -march=arm -mcpu=cortex-a9 -mattr=+neon,-vmlx-forwarding
-float-abi=soft -o ./core_list_join.s -debug 
1.    Running pass 'Function Pass Manager' on module './core_list_join.llvm'.
2.    Running pass 'Debug Variable Analysis' on function '@core_bench_list'

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