[LLVMbugs] [Bug 19029] New: clang 3.4 aborts when compiling dlaed3_ function in Numeric-24.2 on i386 with -fPIC -march=athlon64

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19029

            Bug ID: 19029
           Summary: clang 3.4 aborts when compiling dlaed3_ function in
                    Numeric-24.2 on i386 with -fPIC -march=athlon64
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: truckman at FreeBSD.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

When attempting to compile the dlapack_lite.c file in the python Numeric-24.2
module, clang aborts when it encounters the dlaed3_() function if
-march=athlon64 is specified.  Clang does not abort without -march=athlon64.

# cc -c -O2 -fno-strict-aliasing -fPIC -march=athlon64 dlaed3_.c
Instruction does not dominate all uses!
  %arrayidx106 = getelementptr inbounds double* %dlamda, i32 %sub83
  %bound1492 = icmp ule double* %arrayidx106, %scevgep473
Instruction does not dominate all uses!
  %arrayidx106 = getelementptr inbounds double* %dlamda, i32 %sub83
  %bound0491 = icmp ule double* %scevgep471, %arrayidx106
Broken module found, compilation aborted!
Stack dump:
0.    Program arguments: /usr/bin/cc -cc1 -triple i386-unknown-freebsd11.0
-emit-obj -disable-free -main-file-name dlaed3_.c -mrelocation-model pic
-pic-level 2 -mdisable-fp-elim -relaxed-aliasing -masm-verbose
-mconstructor-aliases -target-cpu athlon64 -coverage-file
/usr/ports/math/py-numeric/work/Numeric-24.2/Src/dlaed3_.o -resource-dir
/usr/bin/../lib/clang/3.4 -O2 -fdebug-compilation-dir
/usr/ports/math/py-numeric/work/Numeric-24.2/Src -ferror-limit 19
-fmessage-length 191 -mstackrealign -fobjc-runtime=gnustep
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o dlaed3_.o -x c dlaed3_.c 
1.    <eof> parser at end of file
2.    Code generation
3.    Running pass 'Function Pass Manager' on module 'dlaed3_.c'.
4.    Running pass 'Module Verifier' on function '@dlaed3_'
cc: error: unable to execute command: Abort trap (core dumped)
cc: error: clang frontend command failed due to signal (use -v to see
invocation)
FreeBSD clang version 3.4 (tags/RELEASE_34/final 197956) 20140216
Target: i386-unknown-freebsd11.0
Thread model: posix
cc: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/
and include the crash backtrace, preprocessed source, and associated run
script.
cc: note: diagnostic msg: 
********************

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20140303/b26e393b/attachment.html>