Author: probinson Date: Mon Jan 25 13:46:40 2016 New Revision: 258712 URL: http://llvm.org/viewvc/llvm-project?rev=258712&view=rev Log: LTO via the gold plugin needs to be told about debugger tuning.
Differential Revision: http://reviews.llvm.org/D16094 Modified: cfe/trunk/lib/Driver/Tools.cpp cfe/trunk/test/Driver/lto.c Modified: cfe/trunk/lib/Driver/Tools.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=258712&r1=258711&r2=258712&view=diff ============================================================================== --- cfe/trunk/lib/Driver/Tools.cpp (original) +++ cfe/trunk/lib/Driver/Tools.cpp Mon Jan 25 13:46:40 2016 @@ -1817,6 +1817,17 @@ static void AddGoldPlugin(const ToolChai if (IsThinLTO) CmdArgs.push_back("-plugin-opt=thinlto"); + + // If an explicit debugger tuning argument appeared, pass it along. + if (Arg *A = Args.getLastArg(options::OPT_gTune_Group, + options::OPT_ggdbN_Group)) { + if (A->getOption().matches(options::OPT_glldb)) + CmdArgs.push_back("-plugin-opt=-debugger-tune=lldb"); + else if (A->getOption().matches(options::OPT_gsce)) + CmdArgs.push_back("-plugin-opt=-debugger-tune=sce"); + else + CmdArgs.push_back("-plugin-opt=-debugger-tune=gdb"); + } } /// This is a helper function for validating the optional refinement step Modified: cfe/trunk/test/Driver/lto.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/lto.c?rev=258712&r1=258711&r2=258712&view=diff ============================================================================== --- cfe/trunk/test/Driver/lto.c (original) +++ cfe/trunk/test/Driver/lto.c Mon Jan 25 13:46:40 2016 @@ -49,3 +49,12 @@ // RUN: FileCheck -check-prefix=CHECK-LINK-NOLTO-ACTION < %t %s // // CHECK-LINK-NOLTO-ACTION-NOT: "-plugin" "{{.*}}/LLVMgold.so" + +// -flto passes along an explicit debugger tuning argument. +// RUN: %clang -target x86_64-unknown-linux -### %s -flto -glldb 2> %t +// RUN: FileCheck -check-prefix=CHECK-TUNING-LLDB < %t %s +// RUN: %clang -target x86_64-unknown-linux -### %s -flto -g 2> %t +// RUN: FileCheck -check-prefix=CHECK-NO-TUNING < %t %s +// +// CHECK-TUNING-LLDB: "-plugin-opt=-debugger-tune=lldb" +// CHECK-NO-TUNING-NOT: "-plugin-opt=-debugger-tune _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
