diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp index d052bb2001c2..4020059f55a3 100644 --- a/clang/lib/Driver/ToolChains/CommonArgs.cpp +++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp @@ -454,6 +454,14 @@ void tools::AddGoldPlugin(const ToolChain &ToolChain, const ArgList &Args, CmdArgs.push_back( Args.MakeArgString(Twine("-plugin-opt=sample-profile=") + FName)); } + + // Need this flag to turn on new pass manager via Gold plugin. + if (Args.hasFlag(options::OPT_fexperimental_new_pass_manager, + options::OPT_fno_experimental_new_pass_manager, + /* Default */ false)) { + CmdArgs.push_back("-plugin-opt=new-pass-manager"); + } + } void tools::addArchSpecificRPath(const ToolChain &TC, const ArgList &Args, diff --git a/clang/test/Driver/gold-lto-new-pass-man.c b/clang/test/Driver/gold-lto-new-pass-man.c new file mode 100644 index 000000000000..c2add0c73a12 --- /dev/null +++ b/clang/test/Driver/gold-lto-new-pass-man.c @@ -0,0 +1,7 @@ +// RUN: touch %t.o +// +// RUN: %clang -target ppc64le-unknown-linux -### %t.o -flto 2>&1 \ +// RUN: -Wl,-plugin-opt=foo -O3 \ +// RUN: -fexperimental-new-pass-manager \ +// RUN: | FileCheck %s +// CHECK: "-plugin-opt=new-pass-manager"