PseudoSourceValue: Introduce a 'PSVKind' enumerator.

[oota-llvm.git] / include / llvm / CodeGen / LiveRegMatrix.h

diff --git a/include/llvm/CodeGen/LiveRegMatrix.h b/include/llvm/CodeGen/LiveRegMatrix.h
index 28b819bb6fad89337fd136430e3ec171839bbcdc..e169058ca5634eeeb22ff395e42383b0822413ef 100644 (file)
--- a/include/llvm/CodeGen/LiveRegMatrix.h
+++ b/include/llvm/CodeGen/LiveRegMatrix.h
@@ -25,7 +25,6 @@
 #define LLVM_CODEGEN_LIVEREGMATRIX_H
 
 #include "llvm/ADT/BitVector.h"
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/CodeGen/LiveIntervalUnion.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
@@ -33,13 +32,11 @@ namespace llvm {
 
 class LiveInterval;
 class LiveIntervalAnalysis;
-class MachineRegisterInfo;
 class TargetRegisterInfo;
 class VirtRegMap;
 
 class LiveRegMatrix : public MachineFunctionPass {
   const TargetRegisterInfo *TRI;
-  MachineRegisterInfo *MRI;
   LiveIntervals *LIS;
   VirtRegMap *VRM;
 
@@ -51,7 +48,7 @@ class LiveRegMatrix : public MachineFunctionPass {
   LiveIntervalUnion::Array Matrix;
 
   // Cached queries per register unit.
-  OwningArrayPtr<LiveIntervalUnion::Query> Queries;
+  std::unique_ptr<LiveIntervalUnion::Query[]> Queries;
 
   // Cached register mask interference info.
   unsigned RegMaskTag;
@@ -115,6 +112,9 @@ public:
   /// the assignment and updates VirtRegMap accordingly.
   void unassign(LiveInterval &VirtReg);
 
+  /// Returns true if the given \p PhysReg has any live intervals assigned.
+  bool isPhysRegUsed(unsigned PhysReg) const;
+
   //===--------------------------------------------------------------------===//
   // Low-level interface.
   //===--------------------------------------------------------------------===//