Author: evgeny777 Date: Fri Oct 18 04:58:21 2019 New Revision: 375224 URL: http://llvm.org/viewvc/llvm-project?rev=375224&view=rev Log: [ThinLTOCodeGenerator] Add support for index-based WPD
This is clang part of the patch. It adds -flto-unit flag for thin LTO builds on Mac and PS4 Differential revision: https://reviews.llvm.org/D68950 Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp cfe/trunk/test/Driver/lto-unit.c Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=375224&r1=375223&r2=375224&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Fri Oct 18 04:58:21 2019 @@ -3631,13 +3631,7 @@ void Clang::ConstructJob(Compilation &C, if (D.isUsingLTO() && !isDeviceOffloadAction) { Args.AddLastArg(CmdArgs, options::OPT_flto, options::OPT_flto_EQ); - - // The Darwin and PS4 linkers currently use the legacy LTO API, which - // does not support LTO unit features (CFI, whole program vtable opt) - // under ThinLTO. - if (!(RawTriple.isOSDarwin() || RawTriple.isPS4()) || - D.getLTOMode() == LTOK_Full) - CmdArgs.push_back("-flto-unit"); + CmdArgs.push_back("-flto-unit"); } } Modified: cfe/trunk/test/Driver/lto-unit.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/lto-unit.c?rev=375224&r1=375223&r2=375224&view=diff ============================================================================== --- cfe/trunk/test/Driver/lto-unit.c (original) +++ cfe/trunk/test/Driver/lto-unit.c Fri Oct 18 04:58:21 2019 @@ -1,9 +1,8 @@ // RUN: %clang -target x86_64-unknown-linux -### %s -flto=full 2>&1 | FileCheck --check-prefix=UNIT %s // RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin 2>&1 | FileCheck --check-prefix=UNIT %s // RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=full 2>&1 | FileCheck --check-prefix=UNIT %s -// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=NOUNIT %s +// RUN: %clang -target x86_64-apple-darwin13.3.0 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=UNIT %s // RUN: %clang -target x86_64-scei-ps4 -### %s -flto=full 2>&1 | FileCheck --check-prefix=UNIT %s -// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=NOUNIT %s +// RUN: %clang -target x86_64-scei-ps4 -### %s -flto=thin 2>&1 | FileCheck --check-prefix=UNIT %s // UNIT: "-flto-unit" -// NOUNIT-NOT: "-flto-unit" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
