On 21 November 2014 04:32, Björn Pollex <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 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 > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users > >
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