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

[Dan Gohman]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

LegalizeDAG.cpp updated: 1.501 -> 1.502
---
Log message:

Make the comment for ScalarizeVectorOp mention that it is only for use
with single-element vectors.


---
Diffs of the changes:  (+6 -4)

 LegalizeDAG.cpp |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.501 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.502
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.501	Mon Jun 25 11:23:39 2007
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp	Wed Jun 27 09:06:22 2007
@@ -177,8 +177,9 @@
   /// two smaller values.
   void SplitVectorOp(SDOperand O, SDOperand &Lo, SDOperand &Hi);
   
-  /// ScalarizeVectorOp - Given an operand of vector type, convert it into the
-  /// equivalent operation that returns a scalar value.
+  /// ScalarizeVectorOp - Given an operand of single-element vector type
+  /// (e.g. v1f32), convert it into the equivalent operation that returns a
+  /// scalar (e.g. f32) value.
   SDOperand ScalarizeVectorOp(SDOperand O);
   
   /// isShuffleLegal - Return true if a vector shuffle is legal with the
@@ -5602,8 +5603,9 @@
 }
 
 
-/// ScalarizeVectorOp - Given an operand of vector type, convert it into the
-/// equivalent operation that returns a scalar (e.g. F32) value.
+/// ScalarizeVectorOp - Given an operand of single-element vector type
+/// (e.g. v1f32), convert it into the equivalent operation that returns a
+/// scalar (e.g. f32) value.
 SDOperand SelectionDAGLegalize::ScalarizeVectorOp(SDOperand Op) {
   assert(MVT::isVector(Op.getValueType()) &&
          "Bad ScalarizeVectorOp invocation!");