[llvm] r329249 - [gold] Add debug-pass-manager option, and use it to test new-pass-manager
Teresa Johnson via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 4 20:16:58 PDT 2018
Author: tejohnson
Date: Wed Apr 4 20:16:57 2018
New Revision: 329249
URL: http://llvm.org/viewvc/llvm-project?rev=329249&view=rev
Log:
[gold] Add debug-pass-manager option, and use it to test new-pass-manager
Summary: Follow up from r314963.
Reviewers: pcc
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D45293
Added:
llvm/trunk/test/tools/gold/X86/new-pm.ll
Modified:
llvm/trunk/tools/gold/gold-plugin.cpp
Added: llvm/trunk/test/tools/gold/X86/new-pm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/gold/X86/new-pm.ll?rev=329249&view=auto
==============================================================================
--- llvm/trunk/test/tools/gold/X86/new-pm.ll (added)
+++ llvm/trunk/test/tools/gold/X86/new-pm.ll Wed Apr 4 20:16:57 2018
@@ -0,0 +1,19 @@
+; Test plugin options new-pass-manager and debug-pass-manager
+; RUN: opt -module-summary %s -o %t.o
+
+; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
+; RUN: --plugin-opt=thinlto \
+; RUN: --plugin-opt=new-pass-manager \
+; RUN: --plugin-opt=debug-pass-manager \
+; RUN: --plugin-opt=cache-dir=%t.cache \
+; RUN: -o %t2.o %t.o 2>&1 | FileCheck %s
+
+; CHECK: Starting llvm::Module pass manager run
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @globalfunc() #0 {
+entry:
+ ret void
+}
Modified: llvm/trunk/tools/gold/gold-plugin.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/gold-plugin.cpp?rev=329249&r1=329248&r2=329249&view=diff
==============================================================================
--- llvm/trunk/tools/gold/gold-plugin.cpp (original)
+++ llvm/trunk/tools/gold/gold-plugin.cpp Wed Apr 4 20:16:57 2018
@@ -197,6 +197,8 @@ namespace options {
static std::string sample_profile;
// New pass manager
static bool new_pass_manager = false;
+ // Debug new pass manager
+ static bool debug_pass_manager = false;
static void process_plugin_option(const char *opt_)
{
@@ -258,6 +260,8 @@ namespace options {
sample_profile= opt.substr(strlen("sample-profile="));
} else if (opt == "new-pass-manager") {
new_pass_manager = true;
+ } else if (opt == "debug-pass-manager") {
+ debug_pass_manager = true;
} else {
// Save this option to pass to the code generator.
// ParseCommandLineOptions() expects argv[0] to be program name. Lazily
@@ -853,6 +857,8 @@ static std::unique_ptr<LTO> createLTO(In
// Use new pass manager if set in driver
Conf.UseNewPM = options::new_pass_manager;
+ // Debug new pass manager if requested
+ Conf.DebugPassManager = options::debug_pass_manager;
return llvm::make_unique<LTO>(std::move(Conf), Backend,
options::ParallelCodeGenParallelismLevel);
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