Allow CP10/CP11 operations on ARMv5/v6

[oota-llvm.git] / lib / Target / ARM / ARMMachineFunctionInfo.h

diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h
index 7934761af25b3e03b4fe270bd7fabd930645793b..d3fabc3ebb0401e4e0648eed19a3fff9fdc8bee6 100644 (file)
--- a/lib/Target/ARM/ARMMachineFunctionInfo.h
+++ b/lib/Target/ARM/ARMMachineFunctionInfo.h
@@ -19,6 +19,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/ADT/DenseMap.h"
 
 namespace llvm {
 
@@ -118,6 +119,10 @@ class ARMFunctionInfo : public MachineFunctionInfo {
   /// being passed on the stack
   unsigned ArgumentStackSize;
 
+  /// CoalescedWeights - mapping of basic blocks to the rolling counter of
+  /// coalesced weights.
+  DenseMap<const MachineBasicBlock*, unsigned> CoalescedWeights;
+
 public:
   ARMFunctionInfo() :
     isThumb(false),
@@ -130,16 +135,7 @@ public:
     JumpTableUId(0), PICLabelUId(0),
     VarArgsFrameIndex(0), HasITBlocks(false), GlobalBaseReg(0) {}
 
-  explicit ARMFunctionInfo(MachineFunction &MF) :
-    isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
-    hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()),
-    StByValParamsPadding(0),
-    ArgRegsSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false),
-    LRSpilledForFarJump(false),
-    FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
-    GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
-    JumpTableUId(0), PICLabelUId(0),
-    VarArgsFrameIndex(0), HasITBlocks(false), GlobalBaseReg(0) {}
+  explicit ARMFunctionInfo(MachineFunction &MF);
 
   bool isThumbFunction() const { return isThumb; }
   bool isThumb1OnlyFunction() const { return isThumb && !hasThumb2; }
@@ -230,6 +226,15 @@ public:
     else
       return -1U;
   }
+
+  DenseMap<const MachineBasicBlock*, unsigned>::iterator getCoalescedWeight(
+                                                  MachineBasicBlock* MBB) {
+    auto It = CoalescedWeights.find(MBB);
+    if (It == CoalescedWeights.end()) {
+      It = CoalescedWeights.insert(std::make_pair(MBB, 0)).first;
+    }
+    return It;
+  }
 };
 } // End llvm namespace