[LLVMbugs] [Bug 5630] New: crash in GVN

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Nov 27 13:52:50 PST 2009


           Summary: crash in GVN
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Scalar Optimizations
        AssignedTo: clattner at apple.com
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=3881)
 --> (http://llvm.org/bugs/attachment.cgi?id=3881)
test case

today I started seeing:

pes delta$ clang -c -O2 tmp11/000.c

... warnings ...

Assertion failed: (Inst->getParent() == CurBB && "Doesn't need phi trans"),
function InsertPHITranslatedPointer, file MemoryDependenceAnalysis.cpp, line
Stack dump:
0.      Program arguments: /usr/local/bin/../libexec/clang-cc -triple
x86_64-unknown-freebsd7.2 -S -disable-free -main-file-name 000.c
-relocation-model static -disable-fp-elim -unwind-tables=1 -mcpu x86-64 -O2
-fmessage-length 152 -fgnu-runtime -fdiagnostics-show-option
-fcolor-diagnostics -o /tmp/cc-vhbZHK.s -x c tmp11/000.c 
1.      <eof> parser at end of file
2.      Per-module optimization passes
3.      Running pass 'CallGraph Pass Manager' on module 'tmp11/000.c'.
4.      Running pass 'Global Value Numbering' on function '@AcpiRsGetAmlLength'
clang: error: compiler command failed due to signal 6 (use -v to see

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