Author: inglorion Date: Mon Jul 15 15:50:04 2019 New Revision: 366146 URL: http://llvm.org/viewvc/llvm-project?rev=366146&view=rev Log: add -fthinlto-index= option to clang-cl
Summary: This adds a -fthinlto-index= option to clang-cl, which allows it to be used to drive ThinLTO backend passes. This allows clang-cl to be used for distributed ThinLTO. Reviewers: tejohnson, pcc, rnk Subscribers: mehdi_amini, steven_wu, dexonsmith, arphaman, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64458 Added: cfe/trunk/test/Driver/cl-thinlto-backend.c Modified: cfe/trunk/include/clang/Driver/Options.td Modified: cfe/trunk/include/clang/Driver/Options.td URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=366146&r1=366145&r2=366146&view=diff ============================================================================== --- cfe/trunk/include/clang/Driver/Options.td (original) +++ cfe/trunk/include/clang/Driver/Options.td Mon Jul 15 15:50:04 2019 @@ -1270,7 +1270,7 @@ def flto_jobs_EQ : Joined<["-"], "flto-j "of 0 means the number of threads will be derived from " "the number of CPUs detected)">; def fthinlto_index_EQ : Joined<["-"], "fthinlto-index=">, - Flags<[CC1Option]>, Group<f_Group>, + Flags<[CoreOption, CC1Option]>, Group<f_Group>, HelpText<"Perform ThinLTO importing using provided function summary index">; def fmacro_backtrace_limit_EQ : Joined<["-"], "fmacro-backtrace-limit=">, Group<f_Group>, Flags<[DriverOption, CoreOption]>; Added: cfe/trunk/test/Driver/cl-thinlto-backend.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/cl-thinlto-backend.c?rev=366146&view=auto ============================================================================== --- cfe/trunk/test/Driver/cl-thinlto-backend.c (added) +++ cfe/trunk/test/Driver/cl-thinlto-backend.c Mon Jul 15 15:50:04 2019 @@ -0,0 +1,9 @@ +// RUN: %clang_cl -c -flto=thin -Fo%t.obj %s +// RUN: llvm-lto2 run -thinlto-distributed-indexes -o %t.exe %t.obj + +// -fthinlto_index should be passed to cc1 +// RUN: %clang_cl -### -c -fthinlto-index=%t.thinlto.bc -Fo%t1.obj \ +// RUN: %t.obj 2>&1 | FileCheck %s + +// CHECK: -fthinlto-index= +// CHECK: "-x" "ir" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits