[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAGISel.cpp updated: 1.17 -> 1.18
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Log message:

Add support for targets that require promotions.


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Diffs of the changes:  (+6 -1)

Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.17 llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.18
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.17	Sat Jan 15 00:17:04 2005
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp	Sat Jan 15 18:37:38 2005
@@ -77,7 +77,12 @@
       // The common case is that we will only create one register for this
       // value.  If we have that case, create and return the virtual register.
       unsigned NV = TLI.getNumElements(VT);
-      if (NV == 1) return MakeReg(VT);
+      if (NV == 1) {
+        // If we are promoting this value, pick the next largest supported type.
+        while (!TLI.hasNativeSupportFor(VT))
+          VT = (MVT::ValueType)(VT+1);
+        return MakeReg(VT);
+      }
     
       // If this value is represented with multiple target registers, make sure
       // to create enough consequtive registers of the right (smaller) type.