misched: Use the TargetSchedModel interface wherever possible.

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

diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h
index 8f90ca796b2dda271f9e8760d70a9a44656b41c1..3986a8dd7da15713efa2aa81b75534deb8c73230 100644 (file)
--- a/include/llvm/CodeGen/RegisterScavenging.h
+++ b/include/llvm/CodeGen/RegisterScavenging.h
@@ -134,8 +134,9 @@ private:
 
   /// isUsed / isUnused - Test if a register is currently being used.
   ///
-  bool isUsed(unsigned Reg) const   { return !RegsAvailable.test(Reg); }
-  bool isUnused(unsigned Reg) const { return RegsAvailable.test(Reg); }
+  bool isUsed(unsigned Reg) const   {
+    return !RegsAvailable.test(Reg) || ReservedRegs.test(Reg);
+  }
 
   /// isAliasUsed - Is Reg or an alias currently in use?
   bool isAliasUsed(unsigned Reg) const;