Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.

Accordingly, add helper funtions getSimpleValueType (in parallel to
getValueType) in SDValue, SDNode, and TargetLowering.

This is the first, in a series of patches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169837 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 4 deletions

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index d2e2010..7eb8a0d 100644
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -232,9 +232,8 @@ public:
 
   /// getRegClassFor - Return the register class that should be used for the
   /// specified value type.
-  virtual const TargetRegisterClass *getRegClassFor(EVT VT) const {
-    assert(VT.isSimple() && "getRegClassFor called on illegal type!");
-    const TargetRegisterClass *RC = RegClassForVT[VT.getSimpleVT().SimpleTy];
+  virtual const TargetRegisterClass *getRegClassFor(MVT VT) const {
+    const TargetRegisterClass *RC = RegClassForVT[VT.SimpleTy];
     assert(RC && "This value type is not natively supported!");
     return RC;
   }
@@ -588,7 +587,11 @@ public:
     }
     return EVT::getEVT(Ty, AllowUnknown);
   }
-  
+
+  /// Return the MVT corresponding to this LLVM type. See getValueType.
+  MVT getSimpleValueType(Type *Ty, bool AllowUnknown = false) const {
+    return getValueType(Ty, AllowUnknown).getSimpleVT();
+  }
 
   /// getByValTypeAlignment - Return the desired alignment for ByVal aggregate
   /// function arguments in the caller parameter area.  This is the actual