Move the code dependency for MathExtras.h from SelectionDAGNodes.h.
Added some class dividers in SelectionDAG.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22841 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 81b0803..cb682c1 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -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