Nick, thanks for the response. After switching to an llvm.org <http://llvm.org/> release of clang, everything works as documented!
Cheers, Björn > On 21 Nov 2014, at 21:36, Nick Lewycky <nlewy...@google.com> wrote: > > On 21 November 2014 04:32, Björn Pollex <bjoern.pol...@sbgenomics.com > <mailto:bjoern.pol...@sbgenomics.com>> wrote: > Hi all, > > according to the documentation, clang supports options to emit optimisation > reports > <http://llvm.org/releases/3.5.0/tools/clang/docs/UsersManual.html#options-to-emit-optimization-reports>. > However, when I try to use them, I get an error: > > $ clang test.cpp -c -Rpass=inline > clang: error: unknown argument: '-Rpass=inline’ > > It looks like your version of clang is too old for the remark flags. > > Also, you didn't pass any optimization flags so the inliner won't fire > (except __attribute__((always_inline)) maybe?). You probably wanted to add > -O2 too. > > $ clang -c -Rpass=inline hello.cpp -O2 > In file included from hello.cpp:1: > In file included from > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/iostream:39: > In file included from > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/ostream:38: > In file included from > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/ios:44: > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/basic_ios.h:152:21: > remark: _ZNKSt9basic_iosIcSt11char_traitsIcEE7rdstateEv inlined into > _ZNSt9basic_iosIcSt11char_traitsIcEE8setstateESt12_Ios_Iostate > [-Rpass=inline] > { this->clear(this->rdstate() | __state); } > ^ > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/basic_ios.h:152:21: > remark: _ZStorSt12_Ios_IostateS_ inlined into > _ZNSt9basic_iosIcSt11char_traitsIcEE8setstateESt12_Ios_Iostate > [-Rpass=inline] > In file included from hello.cpp:1: > In file included from > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/iostream:39: > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/ostream:533:2: > remark: _ZNSt9basic_iosIcSt11char_traitsIcEE8setstateESt12_Ios_Iostate > inlined into > _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc [-Rpass=inline] > __out.setstate(ios_base::badbit); > ^ > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/ostream:536:29: > remark: _ZNSt11char_traitsIcE6lengthEPKc inlined into > _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc > [-Rpass=inline] > static_cast<streamsize>(_Traits::length(__s))); > ^ > hello.cpp:4:3: remark: > _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc inlined into main > [-Rpass=inline] > std::cout << "Hello world!\n"; > ^ > remark: __cxx_global_var_init inlined into _GLOBAL__sub_I_hello.cpp > [-Rpass=inline] > note: could not determine the original source location for > /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/ios_base.h:0:0 > > $ clang -v > clang version 3.6.0 (trunk 222301) > Target: x86_64-unknown-linux-gnu > Thread model: posix > > Am I doing something wrong? I am using this version of clang: > > $ clang --version > Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn) > Target: x86_64-apple-darwin14.0.0 > Thread model: posix > > This isn't an llvm.org <http://llvm.org/> release, you'd have to contact > Apple for support. It looks like an XCode version to me. > > Nick > > Thanks for your help, and kind regards, > > Björn Pollex > > > _______________________________________________ > cfe-users mailing list > cfe-users@cs.uiuc.edu <mailto:cfe-users@cs.uiuc.edu> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users > <http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users> > > > _______________________________________________ > cfe-users mailing list > cfe-users@cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users
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