1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/Hexagon/HexagonMachineScheduler.cpp b/lib/Target/Hexagon/HexagonMachineScheduler.cpp
index ced17b3..1388ad4 100644
--- a/lib/Target/Hexagon/HexagonMachineScheduler.cpp
+++ b/lib/Target/Hexagon/HexagonMachineScheduler.cpp
@@ -15,7 +15,8 @@
 #define DEBUG_TYPE "misched"
 
 #include "HexagonMachineScheduler.h"
-#include <queue>
+#include "llvm/CodeGen/MachineLoopInfo.h"
+#include "llvm/IR/Function.h"
 
 using namespace llvm;
 
@@ -159,6 +160,9 @@ void VLIWMachineScheduler::schedule() {
   SchedImpl->initialize(this);
 
   // To view Height/Depth correctly, they should be accessed at least once.
+  //
+  // FIXME: SUnit::dumpAll always recompute depth and height now. The max
+  // depth/height could be computed directly from the roots and leaves.
   DEBUG(unsigned maxH = 0;
         for (unsigned su = 0, e = SUnits.size(); su != e; ++su)
           if (SUnits[su].getHeight() > maxH)