[LLVMbugs] [Bug 18383] New: Assertion failed: (MRI->getVRegDef(Reg) && "Machine instr not mapped for this vreg?!"), function IsLoopInvariantInst, file MachineLICM.cpp, line 956.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18383

            Bug ID: 18383
           Summary: Assertion failed: (MRI->getVRegDef(Reg) && "Machine
                    instr not mapped for this vreg?!"), function
                    IsLoopInvariantInst, file MachineLICM.cpp, line 956.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: Sparc
          Assignee: unassignedbugs at nondot.org
          Reporter: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11820
  --> http://llvm.org/bugs/attachment.cgi?id=11820&action=edit
test case

nova GENERIC$ /home/rdivacky/llvm/Release+Asserts/bin/clang -c -O -target
sparc64-unknown-freebsd11.0 spitfire.i

.... warnings ....

Assertion failed: (MRI->getVRegDef(Reg) && "Machine instr not mapped for this
vreg?!"), function IsLoopInvariantInst, file MachineLICM.cpp, line 956.
Stack dump:
0.      Program arguments: /home/rdivacky/llvm/Release+Asserts/bin/clang -cc1
-triple sparc64-unknown-freebsd11.0 -S -disable-free -main-file-name spitfire.i
-mrelocation-model static -mdisable-fp-elim -mconstructor-aliases
-target-linker-version 2.17.50 -coverage-file /tmp/spitfire-916447.s
-resource-dir /home/rdivacky/llvm/Release+Asserts/bin/../lib/clang/3.5 -O2
-fno-dwarf-directory-asm -fdebug-compilation-dir
/home/rdivacky/freebsd-head/sys/sparc64/compile/GENERIC -ferror-limit 19
-fmessage-length 115 -mstackrealign -fobjc-runtime=gnustep
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o /tmp/spitfire-916447.s -x cpp-output spitfire.i 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module 'spitfire.i'.
4.      Running pass 'Machine Loop Invariant Code Motion' on function
'@spitfire_icache_page_inval'
clang: error: unable to execute command: Abort trap (core dumped)

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