[FastISel][AArch64] Add lowering support for frem.

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

diff --git a/include/llvm/CodeGen/StackMaps.h b/include/llvm/CodeGen/StackMaps.h
index 1bf5b5e80dfef1c4c246b33b68960cb9f9349c2e..a04cdf8abf28fa226005e95f1f2e086d67de8ac9 100644 (file)
--- a/include/llvm/CodeGen/StackMaps.h
+++ b/include/llvm/CodeGen/StackMaps.h
@@ -8,9 +8,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_STACKMAPS
-#define LLVM_STACKMAPS
+#ifndef LLVM_CODEGEN_STACKMAPS_H
+#define LLVM_CODEGEN_STACKMAPS_H
 
+#include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include <map>
@@ -20,6 +21,7 @@ namespace llvm {
 
 class AsmPrinter;
 class MCExpr;
+class MCStreamer;
 
 /// \brief MI-level patchpoint operands.
 ///
@@ -102,9 +104,11 @@ public:
     LiveOutReg(unsigned short Reg, unsigned short RegNo, unsigned short Size)
       : Reg(Reg), RegNo(RegNo), Size(Size) {}
 
+    void MarkInvalid() { Reg = 0; }
+
     // Only sort by the dwarf register number.
     bool operator< (const LiveOutReg &LO) const { return RegNo < LO.RegNo; }
-    static bool isInvalid(const LiveOutReg &LO) { return LO.Reg == 0; }
+    static bool IsInvalid(const LiveOutReg &LO) { return LO.Reg == 0; }
   };
 
   // OpTypes are used to encode information about the following logical
@@ -112,7 +116,7 @@ public:
   // OpParser.
   typedef enum { DirectMemRefOp, IndirectMemRefOp, ConstantOp } OpType;
 
-  StackMaps(AsmPrinter &AP) : AP(AP) {}
+  StackMaps(AsmPrinter &AP);
 
   /// \brief Generate a stackmap record for a stackmap instruction.
   ///
@@ -128,15 +132,19 @@ public:
   void serializeToStackMapSection();
 
 private:
+  static const char *WSMP;
+
   typedef SmallVector<Location, 8> LocationVec;
   typedef SmallVector<LiveOutReg, 8> LiveOutVec;
+  typedef MapVector<int64_t, int64_t> ConstantPool;
+  typedef MapVector<const MCSymbol *, uint64_t> FnStackSizeMap;
 
   struct CallsiteInfo {
     const MCExpr *CSOffsetExpr;
     uint64_t ID;
     LocationVec Locations;
     LiveOutVec LiveOuts;
-    CallsiteInfo() : CSOffsetExpr(0), ID(0) {}
+    CallsiteInfo() : CSOffsetExpr(nullptr), ID(0) {}
     CallsiteInfo(const MCExpr *CSOffsetExpr, uint64_t ID,
                  LocationVec &Locations, LiveOutVec &LiveOuts)
       : CSOffsetExpr(CSOffsetExpr), ID(ID), Locations(Locations),
@@ -145,36 +153,18 @@ private:
 
   typedef std::vector<CallsiteInfo> CallsiteInfoList;
 
-  struct ConstantPool {
-  private:
-    typedef std::map<int64_t, size_t> ConstantsMap;
-    std::vector<int64_t> ConstantsList;
-    ConstantsMap ConstantIndexes;
-
-  public:
-    size_t getNumConstants() const { return ConstantsList.size(); }
-    int64_t getConstant(size_t Idx) const { return ConstantsList[Idx]; }
-    size_t getConstantIndex(int64_t ConstVal) {
-      size_t NextIdx = ConstantsList.size();
-      ConstantsMap::const_iterator I =
-        ConstantIndexes.insert(ConstantIndexes.end(),
-                               std::make_pair(ConstVal, NextIdx));
-      if (I->second == NextIdx)
-        ConstantsList.push_back(ConstVal);
-      return I->second;
-    }
-  };
-
   AsmPrinter &AP;
   CallsiteInfoList CSInfos;
   ConstantPool ConstPool;
+  FnStackSizeMap FnStackSize;
 
-  std::pair<Location, MachineInstr::const_mop_iterator>
+  MachineInstr::const_mop_iterator
   parseOperand(MachineInstr::const_mop_iterator MOI,
-               MachineInstr::const_mop_iterator MOE) const;
+               MachineInstr::const_mop_iterator MOE,
+               LocationVec &Locs, LiveOutVec &LiveOuts) const;
 
   /// \brief Create a live-out register record for the given register @p Reg.
-  LiveOutReg createLiveOutReg(unsigned Reg, const MCRegisterInfo &MCRI,
+  LiveOutReg createLiveOutReg(unsigned Reg,
                               const TargetRegisterInfo *TRI) const;
 
   /// \brief Parse the register live-out mask and return a vector of live-out
@@ -190,8 +180,20 @@ private:
                            MachineInstr::const_mop_iterator MOI,
                            MachineInstr::const_mop_iterator MOE,
                            bool recordResult = false);
+
+  /// \brief Emit the stackmap header.
+  void emitStackmapHeader(MCStreamer &OS);
+
+  /// \brief Emit the function frame record for each function.
+  void emitFunctionFrameRecords(MCStreamer &OS);
+
+  /// \brief Emit the constant pool.
+  void emitConstantPoolEntries(MCStreamer &OS);
+
+  /// \brief Emit the callsite info for each stackmap/patchpoint intrinsic call.
+  void emitCallsiteEntries(MCStreamer &OS, const TargetRegisterInfo *TRI);
 };
 
 }
 
-#endif // LLVM_STACKMAPS
+#endif