Capture information about whether the target instructions have delay slots

[oota-llvm.git] / include / llvm / Target / TargetSchedInfo.h

diff --git a/include/llvm/Target/TargetSchedInfo.h b/include/llvm/Target/TargetSchedInfo.h
index 22d8045ae58be65728becbfdb676c9d1b1997f42..f2a3560496cd1239690380858fa94d328d21c973 100644 (file)
--- a/include/llvm/Target/TargetSchedInfo.h
+++ b/include/llvm/Target/TargetSchedInfo.h
@@ -1,16 +1,27 @@
-//===- Target/TargetSchedInfo.h - Target Instruction Sched Info --*- C++ -*-==//
+//===- Target/TargetSchedInfo.h - Target Instruction Sched Info -*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
 //
 // This file describes the target machine to the instruction scheduler.
 //
+// NOTE: This file is currently sparc V9 specific.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_TARGET_TARGETSCHEDINFO_H
 #define LLVM_TARGET_TARGETSCHEDINFO_H
 
 #include "llvm/Target/TargetInstrInfo.h"
-#include "Support/hash_map"
+#include "llvm/ADT/hash_map"
 #include <string>
 
+namespace llvm {
+
 typedef long long cycles_t; 
 static const cycles_t HUGE_LATENCY = ~((long long) 1 << (sizeof(cycles_t)-2));
 static const cycles_t INVALID_LATENCY = -HUGE_LATENCY; 
@@ -29,13 +40,17 @@ private:
   OpCodePair();                        // disable for now
 };
 
+} // End llvm namespace
+
 namespace HASH_NAMESPACE {
-  template <> struct hash<OpCodePair> {
-    size_t operator()(const OpCodePair& pair) const {
+  template <> struct hash<llvm::OpCodePair> {
+    size_t operator()(const llvm::OpCodePair& pair) const {
       return hash<long>()(pair.val);
     }
   };
-}
+} // End HASH_NAMESPACE (a macro) namespace
+
+namespace llvm {
 
 //---------------------------------------------------------------------------
 // class MachineResource 
@@ -49,24 +64,15 @@ namespace HASH_NAMESPACE {
 
 typedef unsigned resourceId_t;
 
-struct MachineResource {
+struct CPUResource {
   const std::string rname;
   resourceId_t rid;
+  int maxNumUsers;   // MAXINT if no restriction
   
-  MachineResource(const std::string &resourceName)
-    : rname(resourceName), rid(nextId++) {}
-  
+  CPUResource(const std::string& resourceName, int maxUsers);
+  static CPUResource* getCPUResource(resourceId_t id);
 private:
   static resourceId_t nextId;
-  MachineResource();                   // disable
-};
-
-
-struct CPUResource : public MachineResource {
-  int maxNumUsers;   // MAXINT if no restriction
-  
-  CPUResource(const std::string& rname, int maxUsers)
-    : MachineResource(rname), maxNumUsers(maxUsers) {}
 };
 
 
@@ -178,16 +184,6 @@ struct TargetSchedInfo {
   unsigned maxNumIssueTotal;
   int  longestIssueConflict;
   
-  int  branchMispredictPenalty;        // 4 for SPARC IIi
-  int  branchTargetUnknownPenalty;     // 2 for SPARC IIi
-  int   l1DCacheMissPenalty;           // 7 or 9 for SPARC IIi
-  int   l1ICacheMissPenalty;           // ? for SPARC IIi
-  
-  bool inOrderLoads;                   // true for SPARC IIi
-  bool inOrderIssue;                   // true for SPARC IIi
-  bool inOrderExec;                    // false for most architectures
-  bool inOrderRetire;                  // true for most architectures
-  
 protected:
   inline const InstrRUsage& getInstrRUsage(MachineOpCode opCode) const {
     assert(opCode >= 0 && opCode < (int) instrRUsages.size());
@@ -291,7 +287,7 @@ private:
   }
   
 public:
-  std::vector<pair<int,int> > resourceNumVector;
+  std::vector<std::pair<int,int> > resourceNumVector;
   
 protected:
   unsigned                numSchedClasses;
@@ -308,10 +304,11 @@ protected:
                           conflictLists;   // indexed by [opcode]
 
 
-
-  friend class ModuloSchedGraph;
-  friend class ModuloScheduling;
+  friend class ModuloSchedulingPass;
+  friend class MSSchedule;
   
 };
 
+} // End llvm namespace
+
 #endif