[mips] Add CCValAssign::[ASZ]ExtUpper and CCPromoteToUpperBitsInType and handle struc...

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

diff --git a/include/llvm/CodeGen/CallingConvLower.h b/include/llvm/CodeGen/CallingConvLower.h
index 3446486f8730e1f644397ca4cccbdc0b3e469c81..4e1bd72236c2a3cbf107f987a1e722769e79aa0b 100644 (file)
--- a/include/llvm/CodeGen/CallingConvLower.h
+++ b/include/llvm/CodeGen/CallingConvLower.h
@@ -31,18 +31,25 @@ class TargetRegisterInfo;
 class CCValAssign {
 public:
   enum LocInfo {
-    Full,   // The value fills the full location.
-    SExt,   // The value is sign extended in the location.
-    ZExt,   // The value is zero extended in the location.
-    AExt,   // The value is extended with undefined upper bits.
-    BCvt,   // The value is bit-converted in the location.
-    VExt,   // The value is vector-widened in the location.
-            // FIXME: Not implemented yet. Code that uses AExt to mean
-            // vector-widen should be fixed to use VExt instead.
-    FPExt,  // The floating-point value is fp-extended in the location.
-    Indirect // The location contains pointer to the value.
+    Full,      // The value fills the full location.
+    SExt,      // The value is sign extended in the location.
+    ZExt,      // The value is zero extended in the location.
+    AExt,      // The value is extended with undefined upper bits.
+    SExtUpper, // The value is in the upper bits of the location and should be
+               // sign extended when retrieved.
+    ZExtUpper, // The value is in the upper bits of the location and should be
+               // zero extended when retrieved.
+    AExtUpper, // The value is in the upper bits of the location and should be
+               // extended with undefined upper bits when retrieved.
+    BCvt,      // The value is bit-converted in the location.
+    VExt,      // The value is vector-widened in the location.
+               // FIXME: Not implemented yet. Code that uses AExt to mean
+               // vector-widen should be fixed to use VExt instead.
+    FPExt,     // The floating-point value is fp-extended in the location.
+    Indirect   // The location contains pointer to the value.
     // TODO: a subset of the value is in the location.
   };
+
 private:
   /// ValNo - This is the value number begin assigned (e.g. an argument number).
   unsigned ValNo;
@@ -146,6 +153,9 @@ public:
     return (HTP == AExt || HTP == SExt || HTP == ZExt);
   }
 
+  bool isUpperBitsInLoc() const {
+    return HTP == AExtUpper || HTP == SExtUpper || HTP == ZExtUpper;
+  }
 };
 
 /// CCAssignFn - This function assigns a location for Val, updating State to