Reference RegionPass to stop it being eliminated.

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

diff --git a/include/llvm/CodeGen/CallingConvLower.h b/include/llvm/CodeGen/CallingConvLower.h
index 5ce59b88dc7ad04e89b2a03715537bdd6ccea550..6fb843641dcd55d6efec3f108caf16a4d5585b07 100644 (file)
--- a/include/llvm/CodeGen/CallingConvLower.h
+++ b/include/llvm/CodeGen/CallingConvLower.h
@@ -188,8 +188,7 @@ public:
   /// CheckReturn - Analyze the return values of a function, returning
   /// true if the return can be performed without sret-demotion, and
   /// false otherwise.
-  bool CheckReturn(const SmallVectorImpl<EVT> &OutTys,
-                   const SmallVectorImpl<ISD::ArgFlagsTy> &ArgsFlags,
+  bool CheckReturn(const SmallVectorImpl<ISD::OutputArg> &ArgsFlags,
                    CCAssignFn Fn);
 
   /// AnalyzeCallOperands - Analyze the outgoing arguments to a call,
@@ -276,6 +275,12 @@ public:
     return Result;
   }
 
+  /// Version of AllocateStack with extra register to be shadowed.
+  unsigned AllocateStack(unsigned Size, unsigned Align, unsigned ShadowReg) {
+    MarkAllocated(ShadowReg);
+    return AllocateStack(Size, Align);
+  }
+
   // HandleByVal - Allocate a stack slot large enough to pass an argument by
   // value. The size and alignment information of the argument is encoded in its
   // parameter attribute.