From abd8a85848ed44a280b0272e36e6d433100925b7 Mon Sep 17 00:00:00 2001 From: Sean Fertile Date: Thu, 5 Oct 2017 01:48:42 +0000 Subject: [PATCH] Enabling new pass manager in LTO (and thinLTO) link step. Adds the option 'new-pass-manager' to the gold pluggin to enable using the new pass manager during the lto/thinlto link step. Patch by Graham Yiu. Differential Revision: https://reviews.llvm.org/D38517 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314963 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/gold/gold-plugin.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/gold/gold-plugin.cpp b/tools/gold/gold-plugin.cpp index 9c6de14af65..cf575d0a460 100644 --- a/tools/gold/gold-plugin.cpp +++ b/tools/gold/gold-plugin.cpp @@ -183,6 +183,8 @@ namespace options { static std::vector extra; // Sample profile file path static std::string sample_profile; + // New pass manager + static bool new_pass_manager = false; static void process_plugin_option(const char *opt_) { @@ -242,6 +244,8 @@ namespace options { DisableVerify = true; } else if (opt.startswith("sample-profile=")) { sample_profile= opt.substr(strlen("sample-profile=")); + } else if (opt == "new-pass-manager") { + new_pass_manager = true; } else { // Save this option to pass to the code generator. // ParseCommandLineOptions() expects argv[0] to be program name. Lazily @@ -805,6 +809,9 @@ static std::unique_ptr createLTO() { if (!options::sample_profile.empty()) Conf.SampleProfile = options::sample_profile; + // Use new pass manager if set in driver + Conf.UseNewPM = options::new_pass_manager; + return llvm::make_unique(std::move(Conf), Backend, options::ParallelCodeGenParallelismLevel); }