From 650b5fc6cb55a6e6d39f5d8e7750b34cf0a426b0 Mon Sep 17 00:00:00 2001
From: Andrea Di Biagio <Andrea_DiBiagio@sn.scee.net>
Date: Thu, 17 May 2018 12:27:03 +0000
Subject: [llvm-mca] add flag -all-views and flag -all-stats.

Flag -all-views enables all the views.
Flag -all-stats enables all the views that print hardware statistics.

llvm-svn: 332602
---
 llvm/tools/llvm-mca/llvm-mca.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'llvm/tools/llvm-mca/llvm-mca.cpp')

diff --git a/llvm/tools/llvm-mca/llvm-mca.cpp b/llvm/tools/llvm-mca/llvm-mca.cpp
index 51d6ad1d984..451ea07ceb5 100644
--- a/llvm/tools/llvm-mca/llvm-mca.cpp
+++ b/llvm/tools/llvm-mca/llvm-mca.cpp
@@ -154,6 +154,15 @@ static cl::opt<bool> PrintInstructionInfoView(
     cl::desc("Print the instruction info view (enabled by default)"),
     cl::cat(ViewOptions), cl::init(true));
 
+static cl::opt<bool> EnableAllStats("all-stats",
+                                    cl::desc("Print all hardware statistics"),
+                                    cl::cat(ViewOptions), cl::init(false));
+
+static cl::opt<bool>
+    EnableAllViews("all-views",
+                   cl::desc("Print all views including hardware statistics"),
+                   cl::cat(ViewOptions), cl::init(false));
+
 namespace {
 
 const Target *getTarget(const char *ProgName) {
@@ -273,6 +282,32 @@ public:
 };
 } // end of anonymous namespace
 
+static void processOptionImpl(cl::opt<bool> &O, const cl::opt<bool> &Default) {
+  if (!O.getNumOccurrences() || O.getPosition() < Default.getPosition())
+    O = Default.getValue();
+}
+
+static void processViewOptions() {
+  if (!EnableAllViews.getNumOccurrences() &&
+      !EnableAllStats.getNumOccurrences())
+    return;
+
+  if (EnableAllViews.getNumOccurrences()) {
+    processOptionImpl(PrintResourcePressureView, EnableAllViews);
+    processOptionImpl(PrintTimelineView, EnableAllViews);
+    processOptionImpl(PrintInstructionInfoView, EnableAllViews);
+  }
+
+  const cl::opt<bool> &Default =
+      EnableAllViews.getPosition() < EnableAllStats.getPosition()
+          ? EnableAllStats
+          : EnableAllViews;
+  processOptionImpl(PrintRegisterFileStats, Default);
+  processOptionImpl(PrintDispatchStats, Default);
+  processOptionImpl(PrintSchedulerStats, Default);
+  processOptionImpl(PrintRetireStats, Default);
+}
+
 int main(int argc, char **argv) {
   InitLLVM X(argc, argv);
 
@@ -309,6 +344,9 @@ int main(int argc, char **argv) {
     return 1;
   }
 
+  // Apply overrides to llvm-mca specific options.
+  processViewOptions();
+
   SourceMgr SrcMgr;
 
   // Tell SrcMgr about this buffer, which is what the parser will pick up.
-- 
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