I got around the problem using attribute used. Ram On Fri, Feb 10, 2017 at 9:02 AM Ramkumar Ramachandra <artag...@gmail.com> wrote:
> Hi, > > Pavel Labath <lab...@google.com> wrote: > > a have couple of question to better understand the situation: > - what is the system you are trying this out on (OS, arch, ...)? > > > macOS, x86_64. > > > - are you using any funny compiler options that you think we should > know about ? (e.g. if you're using -ffunction-sections > -Wl,--gc-sections, then the function could have been removed even if > the parts of the compile unit stay) > > > Linker invocation: > > Linking Shared Object ../../bin/maci64/libmwcgir_polly.dylib > xcrun -sdk macosx10.11 clang++ -arch x86_64 -dynamiclib -single_module > -install_name @rpath/libmwcgir_polly.dylib -Wl,-mark_dead_strippable_dylib > -arch x86_64 -mmacosx-version-min=10.9 -stdlib=libc++ -Wl,-dead_strip > -Wl,-dead_strip_dylibs -stdlib=libc++ -o > ../../bin/maci64/libmwcgir_polly.dylib > ../../derived/maci64/obj/src/cgir_polly/Analysis/MemoryAccess.o > ../../derived/maci64/obj/src/cgir_polly/Analysis/SCOP.o > ../../derived/maci64/obj/src/cgir_polly/Analysis/SCOPExtraction.o > ../../derived/maci64/obj/src/cgir_polly/Analysis/SCOPStmt.o > ../../derived/maci64/obj/src/cgir_polly/CodeGen/IRGeneration.o > ../../derived/maci64/obj/src/cgir_polly/IslWrap/Isl.o > ../../derived/maci64/obj/src/cgir_polly/Transform/Polly.o > ../../derived/maci64/obj/src/cgir_polly/Transform/PollyImpl.o > ../../derived/maci64/obj/src/cgir_polly/Util/PollyPrinter.o > ../../derived/maci64/obj/src/cgir_polly/modver.o -L../../bin/maci64 > -L../../bin/maci64 -lmwfoundation_usm -lmwcg_ir -lmwcgir_support > -lmwcgir_cgel -lut -lmwfl -L../../bin/maci64 -lboost_system > -L../../bin/maci64 -lmwcpp11compat > -L//mathworks/hub/3rdparty/R2017b/2334121/maci64/isl/lib -lisl > -L//mathworks/hub/3rdparty/R2017b/2309377/maci64/jsoncpp/lib -ljsoncpp > -L//mathworks/hub/3rdparty/R2017a/2105192/maci64/python2/lib -lpython2.7 > -Wl,-rpath,@loader_path -Wl,-rpath,@loader_path/. > -Wl,-rpath,@loader_path/../../sys/os/maci64 > xcrun -sdk macosx10.11 clang++ -arch x86_64 -c pkgtest/tMatrixAssign.cpp > -o ../../derived/maci64/obj/src/cgir_polly/pkgtest/tMatrixAssign.o -MMD -MF > ../../derived/maci64/obj/src/cgir_polly/pkgtest/tMatrixAssign.d -MP -MT > ../../derived/maci64/obj/src/cgir_polly/pkgtest/tMatrixAssign.o > -Iexport/include -I. -I../../src/include > -I../../derived/maci64/src/include -I../include -I../../include > -I../../derived/maci64/src/cgir_polly/include > -I../../derived/maci64/src/cgir_polly/ > -isystem//mathworks/hub/3rdparty/R2017a/1971079/maci64/boost/include > -isystem//mathworks/hub/3rdparty/R2017a/1946655/maci64/cpp11compat/include > -isystem//mathworks/hub/3rdparty/R2017b/2334121/maci64/isl/include > -isystem//mathworks/hub/3rdparty/R2017b/2309377/maci64/jsoncpp/include > -isystem//mathworks/hub/3rdparty/R2017a/2105192/maci64/python2/include/python2.7 > -isystem//mathworks/hub/3rdparty/R2017a/2101198/maci64/gmock/include/gmock > -isystem//mathworks/hub/3rdparty/R2017a/2101198/maci64/gmock/include/gtest > -mmacosx-version-min=10.9 > -DMODULE_VERSION_SYMBOL=libmwcgir_polly_version > -DMODULE_DATE_SYMBOL=libmwcgir_polly_build_date -Dmw_test_main=main > -DBOOST_CB_DISABLE_DEBUG -DBOOST_THREAD_FUTURE=unique_future > -DBOOST_SPIRIT_THREADSAFE -DPHOENIX_THREADSAFE > -DBOOST_SIGNALS_NO_DEPRECATION_WARNING > -DBOOST_MPL_CFG_NO_PREPROCESSED_HEADERS -DBOOST_MPL_LIMIT_VECTOR_SIZE=30 > -DBOOST_MPL_LIMIT_MAP_SIZE=30 -DNEEDS_BOOST_UNIQUE_PTR=1 > -DBUILDING_CGIR_POLLY -DGTEST_MW_USE_MW_NOT_EQUALS=1 > -DGTEST_LINKED_AS_SHARED_LIBRARY=1 -DBUILDING_PKGTEST -O2 -stdlib=libc++ > -pipe -D_REENTRANT -std=c++11 -g -DNDEBUG -Wextra -Wno-unused-parameter > -Wno-ignored-qualifiers -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual > -Woverloaded-virtual -Wnon-virtual-dtor -Wno-unused > -Wno-inconsistent-missing-override -Wno-parentheses-equality > -Wno-self-assign -Wno-tautological-compare -std=c++11 -stdlib=libc++ > -ftemplate-depth-1024 -Werror > > So yes, there's -Wl,-mark_dead_strippable_dylib + -Wl,-dead_strip + > -Wl,-dead_strip_dylibs. > > > - how exactly is your function declared? (e.g. if it's declared as > inline, or a template and unused then the compiler might not bother > emitting it) > > > It's not inline or a template. It's just a vanilla member function. > > > - could you verify (e.g. by running "objdump -t") that your function > is indeed present in the resulting binary? > > > macOS, so: > > $ nm -a libmwcgir_polly.dylib | grep toString > 00000000000050b0 T __ZNK2CG8analysis4SCOP8toStringEv > 0000000000026f60 T __ZNK2CG8analysis8SCOPStmt8toStringEv > > Does this mean that they're present? > > Ram >
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