diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineTraceMetrics.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineTraceMetrics.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/MachineTraceMetrics.h b/include/llvm/CodeGen/MachineTraceMetrics.h index 323b694..bfe6e94 100644 --- a/include/llvm/CodeGen/MachineTraceMetrics.h +++ b/include/llvm/CodeGen/MachineTraceMetrics.h @@ -44,8 +44,8 @@ // //===----------------------------------------------------------------------===// -#ifndef LLVM_CODEGEN_MACHINE_TRACE_METRICS_H -#define LLVM_CODEGEN_MACHINE_TRACE_METRICS_H +#ifndef LLVM_CODEGEN_MACHINETRACEMETRICS_H +#define LLVM_CODEGEN_MACHINETRACEMETRICS_H #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/DenseMap.h" @@ -264,8 +264,9 @@ public: /// classes are included. For the caller to account for extra machine /// instructions, it must first resolve each instruction's scheduling class. unsigned getResourceLength( - ArrayRef<const MachineBasicBlock*> Extrablocks = None, - ArrayRef<const MCSchedClassDesc*> ExtraInstrs = None) const; + ArrayRef<const MachineBasicBlock *> Extrablocks = None, + ArrayRef<const MCSchedClassDesc *> ExtraInstrs = None, + ArrayRef<const MCSchedClassDesc *> RemoveInstrs = None) const; /// Return the length of the (data dependency) critical path through the /// trace. @@ -286,6 +287,12 @@ public: /// Return the Depth of a PHI instruction in a trace center block successor. /// The PHI does not have to be part of the trace. unsigned getPHIDepth(const MachineInstr *PHI) const; + + /// A dependence is useful if the basic block of the defining instruction + /// is part of the trace of the user instruction. It is assumed that DefMI + /// dominates UseMI (see also isUsefulDominator). + bool isDepInTrace(const MachineInstr *DefMI, + const MachineInstr *UseMI) const; }; /// A trace ensemble is a collection of traces selected using the same |