Update llvm to trunk r256633.

1 files changed, 17 insertions, 3 deletions

diff --git a/contrib/llvm/lib/Target/Hexagon/HexagonSubtarget.h b/contrib/llvm/lib/Target/Hexagon/HexagonSubtarget.h
index 34cdad7..c7ae139 100644
--- a/contrib/llvm/lib/Target/Hexagon/HexagonSubtarget.h
+++ b/contrib/llvm/lib/Target/Hexagon/HexagonSubtarget.h
@@ -34,15 +34,19 @@ namespace llvm {
 class HexagonSubtarget : public HexagonGenSubtargetInfo {
   virtual void anchor();
 
-  bool UseMemOps;
+  bool UseMemOps, UseHVXOps, UseHVXDblOps;
   bool ModeIEEERndNear;
 
 public:
   enum HexagonArchEnum {
-    V4, V5
+    V4, V5, V55, V60
   };
 
   HexagonArchEnum HexagonArchVersion;
+  /// True if the target should use Back-Skip-Back scheduling. This is the
+  /// default for V60.
+  bool UseBSBScheduling;
+
 private:
   std::string CPUString;
   HexagonInstrInfo InstrInfo;
@@ -50,6 +54,7 @@ private:
   HexagonSelectionDAGInfo TSInfo;
   HexagonFrameLowering FrameLowering;
   InstrItineraryData InstrItins;
+  void initializeEnvironment();
 
 public:
   HexagonSubtarget(const Triple &TT, StringRef CPU, StringRef FS,
@@ -84,7 +89,16 @@ public:
   bool useMemOps() const { return UseMemOps; }
   bool hasV5TOps() const { return getHexagonArchVersion() >= V5; }
   bool hasV5TOpsOnly() const { return getHexagonArchVersion() == V5; }
+  bool hasV55TOps() const { return getHexagonArchVersion() >= V55; }
+  bool hasV55TOpsOnly() const { return getHexagonArchVersion() == V55; }
+  bool hasV60TOps() const { return getHexagonArchVersion() >= V60; }
+  bool hasV60TOpsOnly() const { return getHexagonArchVersion() == V60; }
   bool modeIEEERndNear() const { return ModeIEEERndNear; }
+  bool useHVXOps() const { return UseHVXOps; }
+  bool useHVXDblOps() const { return UseHVXOps && UseHVXDblOps; }
+  bool useHVXSglOps() const { return UseHVXOps && !UseHVXDblOps; }
+
+  bool useBSBScheduling() const { return UseBSBScheduling; }
   bool enableMachineScheduler() const override;
   // Always use the TargetLowering default scheduler.
   // FIXME: This will use the vliw scheduler which is probably just hurting
@@ -98,7 +112,7 @@ public:
     return Hexagon_SMALL_DATA_THRESHOLD;
   }
   const HexagonArchEnum &getHexagonArchVersion() const {
-    return  HexagonArchVersion;
+    return HexagonArchVersion;
   }
 };