[PATCH] D31123: RegisterPressure: Add operators to RegisterMaskPair

[Axel Davy via Phabricator via llvm-commits]

axeldavy created this revision.

Add operators and a new constructor to RegisterMaskPair.
This makes it handier and enables to use set and maps with
the structure.


Repository:
  rL LLVM

https://reviews.llvm.org/D31123

Files:
  include/llvm/CodeGen/RegisterPressure.h


Index: include/llvm/CodeGen/RegisterPressure.h
===================================================================
--- include/llvm/CodeGen/RegisterPressure.h
+++ include/llvm/CodeGen/RegisterPressure.h
@@ -41,6 +41,17 @@
 
   RegisterMaskPair(unsigned RegUnit, LaneBitmask LaneMask)
       : RegUnit(RegUnit), LaneMask(LaneMask) {}
+
+  RegisterMaskPair() {}
+
+  bool operator==(const RegisterMaskPair &RP) const {
+    return RegUnit == RP.RegUnit && LaneMask == RP.LaneMask;
+  }
+
+  bool operator<(const RegisterMaskPair &RP) const {
+    return RegUnit < RP.RegUnit ||
+      (RegUnit == RP.RegUnit && LaneMask < RP.LaneMask);
+  }
 };
 
 /// Base class for register pressure results.


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