[PATCH] D95692: [Pipeliner] Fixed optimization remarks and debug dumps Initiation Interval value

[Marianne Mailhot-Sarrasin via Phabricator via llvm-commits]

mamai updated this revision to Diff 324069.
mamai added a comment.

Updated patch with the cleaner approach of creating a getInitiationInterval() function.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95692/new/

https://reviews.llvm.org/D95692

Files:
  llvm/include/llvm/CodeGen/MachinePipeliner.h
  llvm/lib/CodeGen/MachinePipeliner.cpp


Index: llvm/lib/CodeGen/MachinePipeliner.cpp
===================================================================
--- llvm/lib/CodeGen/MachinePipeliner.cpp
+++ llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -2049,9 +2049,8 @@
   }
 
   bool scheduleFound = false;
-  unsigned II = 0;
   // Keep increasing II until a valid schedule is found.
-  for (II = MII; II <= MAX_II && !scheduleFound; ++II) {
+  for (unsigned II = MII; II <= MAX_II && !scheduleFound; ++II) {
     Schedule.reset();
     Schedule.setInitiationInterval(II);
     LLVM_DEBUG(dbgs() << "Try to schedule with " << II << "\n");
@@ -2124,7 +2123,8 @@
       scheduleFound = Schedule.isValidSchedule(this);
   }
 
-  LLVM_DEBUG(dbgs() << "Schedule Found? " << scheduleFound << " (II=" << II
+  LLVM_DEBUG(dbgs() << "Schedule Found? " << scheduleFound
+                    << " (II=" << Schedule.getInitiationInterval()
                     << ")\n");
 
   if (scheduleFound) {
@@ -2132,7 +2132,8 @@
     Pass.ORE->emit([&]() {
       return MachineOptimizationRemarkAnalysis(
                  DEBUG_TYPE, "schedule", Loop.getStartLoc(), Loop.getHeader())
-             << "Schedule found with Initiation Interval: " << ore::NV("II", II)
+             << "Schedule found with Initiation Interval: "
+             << ore::NV("II", Schedule.getInitiationInterval())
              << ", MaxStageCount: "
              << ore::NV("MaxStageCount", Schedule.getMaxStageCount());
     });
Index: llvm/include/llvm/CodeGen/MachinePipeliner.h
===================================================================
--- llvm/include/llvm/CodeGen/MachinePipeliner.h
+++ llvm/include/llvm/CodeGen/MachinePipeliner.h
@@ -526,6 +526,9 @@
   /// Set the initiation interval for this schedule.
   void setInitiationInterval(int ii) { InitiationInterval = ii; }
 
+  /// Return the initiation interval for this schedule.
+  int getInitiationInterval() const { return InitiationInterval; }
+
   /// Return the first cycle in the completed schedule.  This
   /// can be a negative value.
   int getFirstCycle() const { return FirstCycle; }


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