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

[Jim Laskey]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAG.cpp updated: 1.146 -> 1.147
---
Log message:

Move the code dependency for MathExtras.h from SelectionDAGNodes.h.

Added some class dividers in SelectionDAG.cpp.



---
Diffs of the changes:  (+21 -1)

 SelectionDAG.cpp |   22 +++++++++++++++++++++-
 1 files changed, 21 insertions(+), 1 deletion(-)


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.146 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.147
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.146	Wed Aug 17 14:28:27 2005
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp	Wed Aug 17 15:08:02 2005
@@ -57,6 +57,21 @@
   return false;
 }
 
+//===----------------------------------------------------------------------===//
+//                              ConstantFPSDNode Class
+//===----------------------------------------------------------------------===//
+
+/// isExactlyValue - We don't rely on operator== working on double values, as
+/// it returns true for things that are clearly not equal, like -0.0 and 0.0.
+/// As such, this method can be used to do an exact bit-for-bit comparison of
+/// two floating point values.
+bool ConstantFPSDNode::isExactlyValue(double V) const {
+  return DoubleToBits(V) == DoubleToBits(Value);
+}
+
+//===----------------------------------------------------------------------===//
+//                              ISD Class
+//===----------------------------------------------------------------------===//
 
 /// getSetCCSwappedOperands - Return the operation corresponding to (Y op X)
 /// when given the operation for (X op Y).
@@ -140,6 +155,9 @@
   return TLI.getTargetMachine();
 }
 
+//===----------------------------------------------------------------------===//
+//                              SelectionDAG Class
+//===----------------------------------------------------------------------===//
 
 /// RemoveDeadNodes - This method deletes all unreachable nodes in the
 /// SelectionDAG, including nodes (like loads) that have uses of their token
@@ -1822,7 +1840,9 @@
   }
 }
 
-
+//===----------------------------------------------------------------------===//
+//                              SDNode Class
+//===----------------------------------------------------------------------===//
 
 /// hasNUsesOfValue - Return true if there are exactly NUSES uses of the
 /// indicated value.  This method ignores uses of other values defined by this