Author: slingn Date: Tue Jan 5 12:27:06 2016 New Revision: 256855 URL: http://llvm.org/viewvc/llvm-project?rev=256855&view=rev Log: [PGO] Enable clang to pass compiler-rt profile support library to linker on Windows
Summary: This change enables clang to automatically link binaries built with the -fprofile-instr-generate against the clang_rt.profile-i386.lib library. Reviewers: davidxl, dnovillo Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D15833 Modified: cfe/trunk/lib/Driver/Tools.cpp cfe/trunk/test/Driver/instrprof-ld.c Modified: cfe/trunk/lib/Driver/Tools.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=256855&r1=256854&r2=256855&view=diff ============================================================================== --- cfe/trunk/lib/Driver/Tools.cpp (original) +++ cfe/trunk/lib/Driver/Tools.cpp Tue Jan 5 12:27:06 2016 @@ -9473,6 +9473,8 @@ void visualstudio::Linker::ConstructJob( A.renderAsInput(Args, CmdArgs); } + TC.addProfileRTLibs(Args, CmdArgs); + // We need to special case some linker paths. In the case of lld, we need to // translate 'lld' into 'lld-link', and in the case of the regular msvc // linker, we need to use a special search algorithm. Modified: cfe/trunk/test/Driver/instrprof-ld.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/instrprof-ld.c?rev=256855&r1=256854&r2=256855&view=diff ============================================================================== --- cfe/trunk/test/Driver/instrprof-ld.c (original) +++ cfe/trunk/test/Driver/instrprof-ld.c Tue Jan 5 12:27:06 2016 @@ -105,3 +105,19 @@ // // CHECK-WATCHOS-ARMV7: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}" // CHECK-WATCHOS-ARMV7: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_watchos.a" +// +// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \ +// RUN: -target i386-pc-win32 -fprofile-instr-generate \ +// RUN: -resource-dir=%S/Inputs/resource_dir \ +// RUN: | FileCheck --check-prefix=CHECK-WINDOWS-I386 %s +// +// CHECK-WINDOWS-I386: "{{.*}}link{{(.exe)?}}" +// CHECK-WINDOWS-I386: "{{.*}}clang_rt.profile-i386.lib" +// +// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \ +// RUN: -target x86_64-pc-win32 -fprofile-instr-generate \ +// RUN: -resource-dir=%S/Inputs/resource_dir \ +// RUN: | FileCheck --check-prefix=CHECK-WINDOWS-X86-64 %s +// +// CHECK-WINDOWS-X86-64: "{{.*}}link{{(.exe)?}}" +// CHECK-WINDOWS-X86-64: "{{.*}}clang_rt.profile-x86_64.lib" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
