commit 650b5fc6cb55a6e6d39f5d8e7750b34cf0a426b0
author Andrea Di Biagio <Andrea_DiBiagio@sn.scee.net> Thu May 17 12:27:03 2018 +0000
committer Andrea Di Biagio <Andrea_DiBiagio@sn.scee.net> Thu May 17 12:27:03 2018 +0000
tree 9dd282709d9e8e8ec14933bde448e7a6e012e022
parent 448550d947e74912b8a3b49db517ab793e96d027

[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

diff --git a/llvm/tools/llvm-mca/llvm-mca.cpp b/llvm/tools/llvm-mca/llvm-mca.cpp
index 51d6ad1..451ea07 100644
--- a/llvm/tools/llvm-mca/llvm-mca.cpp
+++ b/llvm/tools/llvm-mca/llvm-mca.cpp
@@ -154,6 +154,15 @@
     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 @@
 };
 } // 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 @@
     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.