Move ftostr into its last user (cppbackend) and simplify it a bit.

New code should use raw_ostream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153326 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 107c6ccb47..efa54d2088 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -195,6 +195,18 @@ void CppWriter::error(const std::string& msg) {
   report_fatal_error(msg);
 }
 
+static inline std::string ftostr(const APFloat& V) {
+  std::string Buf;
+  if (&V.getSemantics() == &APFloat::IEEEdouble) {
+    raw_string_ostream(Buf) << V.convertToDouble();
+    return Buf;
+  } else if (&V.getSemantics() == &APFloat::IEEEsingle) {
+    raw_string_ostream(Buf) << (double)V.convertToFloat();
+    return Buf;
+  }
+  return "<unknown format in ftostr>"; // error
+}
+
 // printCFP - Print a floating point constant .. very carefully :)
 // This makes sure that conversion to/from floating yields the same binary
 // result so that we don't lose precision.