[llvm-commits] [llvm] r39827 - /llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

[Dan Gohman]

Author: djg
Date: Fri Jul 13 15:14:11 2007
New Revision: 39827

URL: http://llvm.org/viewvc/llvm-project?rev=39827&view=rev
Log:
Fix the comment for LegalizeOp to more accurately reflect what it does.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=39827&r1=39826&r2=39827&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Fri Jul 13 15:14:11 2007
@@ -551,9 +551,10 @@
 }
 
 
-/// LegalizeOp - We know that the specified value has a legal type.
-/// Recursively ensure that the operands have legal types, then return the
-/// result.
+/// LegalizeOp - We know that the specified value has a legal type, and
+/// that its operands are legal.  Now ensure that the operation itself
+/// is legal, recursively ensuring that the operands' operations remain
+/// legal.
 SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
   assert(isTypeLegal(Op.getValueType()) &&
          "Caller should expand or promote operands that are not legal!");