[llvm-mca] Use an ordered map to collect hardware statistics. NFC.
Histogram entries are now ordered by key. This should improves their
readability when statistics are printed.
llvm-svn: 334961
diff --git a/llvm/tools/llvm-mca/RetireControlUnitStatistics.h b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
index e10c662..5c91af5 100644
--- a/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
+++ b/llvm/tools/llvm-mca/RetireControlUnitStatistics.h
@@ -27,13 +27,13 @@
#define LLVM_TOOLS_LLVM_MCA_RETIRECONTROLUNITSTATISTICS_H
#include "View.h"
-#include "llvm/ADT/DenseMap.h"
#include "llvm/MC/MCSubtargetInfo.h"
+#include <map>
namespace mca {
class RetireControlUnitStatistics : public View {
- using Histogram = llvm::DenseMap<unsigned, unsigned>;
+ using Histogram = std::map<unsigned, unsigned>;
Histogram RetiredPerCycle;
unsigned NumRetired;