Date: Mon, 31 Jan 2011 16:27:55 +0000 From: Alexander Best <arundel@freebsd.org> To: Roman Divacky <rdivacky@freebsd.org> Cc: freebsd-toolchain@freebsd.org Subject: Re: issue with clang and CPUTYPE native Message-ID: <20110131162755.GA54255@freebsd.org> In-Reply-To: <20110101195823.GA41161@freebsd.org> References: <20101230184048.GA34628@freebsd.org> <20101230184442.GA79735@freebsd.org> <20101230184616.GA35433@freebsd.org> <20101230201848.GA92145@freebsd.org> <20101231012002.GA73736@freebsd.org> <20101231151554.GA29782@freebsd.org> <20101231180054.GA77781@freebsd.org> <20101231190838.GA85678@freebsd.org> <20110101153430.GA98411@freebsd.org> <20110101195823.GA41161@freebsd.org>
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On Sat Jan 1 11, Alexander Best wrote: > 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.. i just wanted to report that the latest clang version doesn't trigger the assert any longer: clang version 2.9 (trunk 124571) Target: x86_64-unknown-freebsd9.0 Thread model: posix is there a way to have the local "-fformat-extensions" clang additions pushed upstream? maybe that mght be sufficient to compile the freebsd source with clang 2.9+. cheers. alex > > 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 -- a13x
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