Added an automatic cast to "std::ostream*" etc. from OStream. We then can

rework the hacks that had us passing OStream in. We pass in std::ostream*
instead, check for null, and then dispatch to the correct print() method.

llvm-svn: 32636

1 files changed, 6 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Utils/LowerSwitch.cpp b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
index 2adfb3ef300..f0ae3852d8a 100644
--- a/llvm/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
@@ -96,7 +96,8 @@ bool LowerSwitch::runOnFunction(Function &F) {
 
 // operator<< - Used for debugging purposes.
 //
-OStream& operator<<(OStream &O, const std::vector<LowerSwitch::Case> &C) {
+std::ostream& operator<<(std::ostream &O,
+                         const std::vector<LowerSwitch::Case> &C) {
   O << "[";
 
   for (std::vector<LowerSwitch::Case>::const_iterator B = C.begin(),
@@ -107,6 +108,10 @@ OStream& operator<<(OStream &O, const std::vector<LowerSwitch::Case> &C) {
 
   return O << "]";
 }
+OStream& operator<<(OStream &O, const std::vector<LowerSwitch::Case> &C) {
+  if (O.stream()) *O.stream() << C;
+  return O;
+}
 
 // switchConvert - Convert the switch statement into a binary lookup of
 // the case values. The function recursively builds this tree.