[llvm-mca] Add flag -resource-pressure to enable/disable printing of the resource pressure view.

By default, the tool always enables the resource pressure view.
This flag lets user specify whether they want to add that view or not.

llvm-svn: 328305

1 files changed, 7 insertions, 1 deletions

diff --git a/llvm/tools/llvm-mca/llvm-mca.cpp b/llvm/tools/llvm-mca/llvm-mca.cpp
index e9248f15442..0ae9c8849bb 100644
--- a/llvm/tools/llvm-mca/llvm-mca.cpp
+++ b/llvm/tools/llvm-mca/llvm-mca.cpp
@@ -89,6 +89,11 @@ static cl::opt<unsigned>
                               "be used for register mappings"),
                      cl::init(0));
 
+static cl::opt<bool>
+    PrintResourcePressureView("resource-pressure",
+                              cl::desc("Print the resource pressure view"),
+                              cl::init(true));
+
 static cl::opt<bool> PrintTimelineView("timeline",
                                        cl::desc("Print the timeline view"),
                                        cl::init(false));
@@ -329,7 +334,8 @@ int main(int argc, char **argv) {
   if (PrintModeVerbose)
     Printer->addView(llvm::make_unique<mca::BackendStatistics>(*STI));
 
-  Printer->addView(llvm::make_unique<mca::ResourcePressureView>(*STI, *IP, *S));
+  if (PrintResourcePressureView)
+    Printer->addView(llvm::make_unique<mca::ResourcePressureView>(*STI, *IP, *S));
 
   if (PrintTimelineView) {
     Printer->addView(llvm::make_unique<mca::TimelineView>(