[compiler-rt] r205256 - InstrProf: Add simple compiler-rt test

[Alexey Samsonov]

$ ld -v

@(#)PROGRAM:ld  PROJECT:ld64-224.1
configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 armv6m
armv7m armv7em
LTO support using: LLVM version 3.3svn, from Apple Clang 5.0 (build
500.2.79)

$ /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/clang
-fprofile-instr-generate -o /Users/buildbot/src/llvm-
buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/
profile/Output/instrprof-basic.c.tmp -O3 -flto  /Users/buildbot/src/llvm-
buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-
rt/test/profile/instrprof-basic.c -###

clang version 3.5.0 (205309)
Target: x86_64-apple-darwin13.1.0
Thread model: posix
 "/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/clang-3.5"
"-cc1" "-triple" "x86_64-apple-macosx10.9.0" "-emit-llvm-bc"
"-disable-free" "-main-file-name" "instrprof-basic.c" "-mrelocation-model"
"pic" "-pic-level" "2" "-mdisable-fp-elim" "-masm-verbose"
"-munwind-tables" "-target-cpu" "core2" "-fprofile-instr-generate"
"-resource-dir"
"/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/../lib/clang/3.5.0"
"-O3" "-fdebug-compilation-dir"
"/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build"
"-ferror-limit" "19" "-fmessage-length" "212" "-stack-protector" "1"
"-mstackrealign" "-fblocks" "-fobjc-runtime=macosx-10.9.0"
"-fencode-extended-block-signature" "-fdiagnostics-show-option"
"-fcolor-diagnostics" "-vectorize-loops" "-vectorize-slp" "-o"
"/var/tmp/instrprof-basic-c10d1f.o" "-x" "c"
"/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-rt/test/profile/instrprof-basic.c"
 "/usr/bin/ld" "-dynamic" "-arch" "x86_64" "-macosx_version_min" "10.9.0"
"-o"
"/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp"
"/var/tmp/instrprof-basic-c10d1f.o"
"/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/../lib/clang/3.5.0/lib/darwin/libclang_rt.profile_osx.a"
"-lSystem"

cmake version 2.8.10


On Tue, Apr 1, 2014 at 5:54 PM, Duncan P. N. Exon Smith <
dexonsmith at apple.com> wrote:

>
> On 2014 Apr 1, at 06:50, Duncan P. N. Exon Smith <dexonsmith at apple.com>
> wrote:
>
> >
> > On 2014 Apr 1, at 01:12, Alexey Samsonov <samsonov at google.com> wrote:
> >
> >> Hi Duncan,
> >> We see the following error on our (still private) Mac buildbot. Do you
> have an idea what might be wrong?
> >>
> >> Script:
> >> --
> >>
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/clang
> -fprofile-instr-generate -o
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp
> -O3 -flto
>  /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-rt/test/profile/instrprof-basic.c
> >> env
> LLVM_PROFILE_FILE=/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp.profraw
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp
> >> llvm-profdata merge -o
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp.profdata
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp.profraw
> >>
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/clang
> -fprofile-instr-use=/Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp.profdata
> -o - -S -emit-llvm
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-rt/test/profile/instrprof-basic.c
> | FileCheck
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-rt/test/profile/instrprof-basic.c
> >> --
> >> Exit Code: 1
> >>
> >> Command Output (stderr):
> >> --
> >> ld: warning: ignoring file /var/tmp/instrprof-basic-164f0d.o, lto file
> was built for x86_64 which is not the architecture being linked (x86_64):
> /var/tmp/instrprof-basic-164f0d.o
> >> Undefined symbols for architecture x86_64:
> >>  "_main", referenced from:
> >>     implicit entry/start for main executable
> >> ld: symbol(s) not found for architecture x86_64
> >> clang-3.5: error: linker command failed with exit code 1 (use -v to see
> invocation)
> >
> > Mysterious.  I'm on 10.9 myself and I'm not seeing that error.
> >
> > If you send me the output of:
> >
> >    $ ld -v
> >    $
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm_build64/bin/clang
> -fprofile-instr-generate -o
> /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/compiler_rt_build/test/profile/Output/instrprof-basic.c.tmp
> -O3 -flto
>  /Users/buildbot/src/llvm-buildbot/slave/mac10.9-cmake/build/llvm/projects/compiler-rt/test/profile/instrprof-basic.c
> -###
>
> Please also send me the cmake line you used, as well as:
>
>     $ cmake --version
>
> > I can look into it.
> >
> > If this is blocking you, go ahead and remove -flto from the test
> > until we sort this out (please add a FIXME though).
>
>


-- 
Alexey Samsonov, MSK
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