issue with clang and CPUTYPE native

[Alexander Best]

On Sat Jan  1 11, Roman Divacky wrote:
> > > clang -O2 -pipe -march=native -fpic -fvisibility=hidden -DVISIBILITY_HIDDEN -g -std=gnu99 -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -c /usr/subversion-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c
> > > detected CPU = core2
> > > Assertion failed: (getMinSignedBits() <= 64 && "Too many bits for int64_t"), function getSExtValue, file /usr/subversion-src/lib/clang/libclangcodegen/../../../contrib/llvm/include/llvm/ADT/APInt.h, line 1149.
> > > Stack dump:
> > > 0.	Program arguments: /usr/obj/usr/subversion-src/tmp/usr/bin/clang -cc1 -triple x86_64-undermydesk-freebsd9.0 -S -disable-free -main-file-name mulvti3.c -pic-level 1 -mdisable-fp-elim -mconstructor-aliases -munwind-tables -target-cpu core2 -g -resource-dir /usr/obj/usr/subversion-src/tmp/usr/lib/clang/2.8 -D VISIBILITY_HIDDEN -O2 -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -std=gnu99 -ferror-limit 19 -fmessage-length 275 -fvisibility hidden -stack-protector 1 -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o /tmp/cc-G6mPQL.s -x c /usr/subversion-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c 
> > > 1.	<eof> parser at end of file
> > > 2.	Code generation
> > > clang: error: clang frontend command failed due to signal 6 (use -v to see invocation)
> > > *** Error code 250
> 
> 
> this is a genuine llvm bug it may have been (or may have been not) fixed in recent llvm.
> 
> if you feel like it - install llvm/clang from subversion and check if it compiles this
> ok. if it does not I think it's worth filing a bug in llvm bugzilla..

same assert gets hit with svn clang/llvm:

/usr/local/bin/clang -v -O2 -pipe -march=native -fpic -fvisibility=hidden -DVISIBILITY_HIDDEN -g -std=gnu99 -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -c /usr/gitorious-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c
clang version 2.9 (trunk 122653)
Target: x86_64-unknown-freebsd9.0
Thread model: posix
 "/usr/local/bin/clang" -cc1 -triple x86_64-unknown-freebsd9.0 -emit-obj -disable-free -main-file-name mulvti3.c -pic-level 1 -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu core2 -target-linker-version 2.21 -v -g -resource-dir /usr/local/bin/../lib/clang/2.9 -D VISIBILITY_HIDDEN -O2 -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -std=gnu99 -ferror-limit 19 -fmessage-length 275 -fvisibility hidden -stack-protector 1 -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o mulvti3.o -x c /usr/gitorious-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c
clang -cc1 version 2.9 based upon llvm 2.9svn hosted on x86_64-unknown-freebsd9.0
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/local/bin/../lib/clang/2.9/include
 /usr/include
End of search list.
Assertion failed: (getMinSignedBits() <= 64 && "Too many bits for int64_t"), function getSExtValue, file /usr/local/src/llvm/include/llvm/ADT/APInt.h, line 1158.
Stack dump:
0.	Program arguments: /usr/local/bin/clang -cc1 -triple x86_64-unknown-freebsd9.0 -emit-obj -disable-free -main-file-name mulvti3.c -pic-level 1 -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu core2 -target-linker-version 2.21 -v -g -resource-dir /usr/local/bin/../lib/clang/2.9 -D VISIBILITY_HIDDEN -O2 -Wsystem-headers -Wall -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -std=gnu99 -ferror-limit 19 -fmessage-length 275 -fvisibility hidden -stack-protector 1 -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -o mulvti3.o -x c /usr/gitorious-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c 
1.	<eof> parser at end of file
2.	Code generation
3.	Running pass 'Function Pass Manager' on module '/usr/gitorious-src/lib/libcompiler_rt/../../contrib/compiler-rt/lib/mulvti3.c'.
clang: error: unable to execute command: Abort trap: 6 (core dumped)
clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)
*** Error code 255

Stop in /usr/gitorious-src/lib/libcompiler_rt.

cheers.
alex

> 
> thank you!

-- 
a13x