Vendor import of llvm trunk r338536:vendor/llvm/llvm-trunk-r338536

https://llvm.org/svn/llvm-project/llvm/trunk@338536

1 files changed, 10 insertions, 3 deletions

diff --git a/tools/llvm-mca/Instruction.h b/tools/llvm-mca/Instruction.h
index ddf5c3a5e33f..3b2f90528f2e 100644
--- a/tools/llvm-mca/Instruction.h
+++ b/tools/llvm-mca/Instruction.h
@@ -170,8 +170,6 @@ class ReadState {
   bool IsReady;
 
 public:
-  bool isReady() const { return IsReady; }
-
   ReadState(const ReadDescriptor &Desc, unsigned RegID)
       : RD(Desc), RegisterID(RegID), DependentWrites(0),
         CyclesLeft(UNKNOWN_CYCLES), TotalCycles(0), IsReady(true) {}
@@ -182,6 +180,9 @@ public:
   unsigned getSchedClass() const { return RD.SchedClassID; }
   unsigned getRegisterID() const { return RegisterID; }
 
+  bool isReady() const { return IsReady; }
+  bool isImplicitRead() const { return RD.isImplicitRead(); }
+
   void cycleEvent();
   void writeStartEvent(unsigned Cycles);
   void setDependentWrites(unsigned Writes) {
@@ -299,6 +300,8 @@ class Instruction {
   // Retire Unit token ID for this instruction.
   unsigned RCUTokenID;
 
+  bool IsDepBreaking;
+
   using UniqueDef = std::unique_ptr<WriteState>;
   using UniqueUse = std::unique_ptr<ReadState>;
   using VecDefs = std::vector<UniqueDef>;
@@ -314,7 +317,8 @@ class Instruction {
 
 public:
   Instruction(const InstrDesc &D)
-      : Desc(D), Stage(IS_INVALID), CyclesLeft(UNKNOWN_CYCLES) {}
+      : Desc(D), Stage(IS_INVALID), CyclesLeft(UNKNOWN_CYCLES), RCUTokenID(0),
+        IsDepBreaking(false) {}
   Instruction(const Instruction &Other) = delete;
   Instruction &operator=(const Instruction &Other) = delete;
 
@@ -326,6 +330,9 @@ public:
   unsigned getRCUTokenID() const { return RCUTokenID; }
   int getCyclesLeft() const { return CyclesLeft; }
 
+  bool isDependencyBreaking() const { return IsDepBreaking; }
+  void setDependencyBreaking() { IsDepBreaking = true; }
+
   unsigned getNumUsers() const {
     unsigned NumUsers = 0;
     for (const UniqueDef &Def : Defs)