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

New code should use raw_ostream.

llvm-svn: 153326

2 files changed, 13 insertions, 0 deletions

diff --git a/llvm/lib/Target/CppBackend/CPPBackend.cpp b/llvm/lib/Target/CppBackend/CPPBackend.cpp
index 107c6ccb47d..efa54d20885 100644
--- a/llvm/lib/Target/CppBackend/CPPBackend.cpp
+++ b/llvm/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.
diff --git a/llvm/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp b/llvm/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
index ec7e2a75eaa..80fb4de9486 100644
--- a/llvm/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
+++ b/llvm/lib/Target/PTX/InstPrinter/PTXInstPrinter.cpp
@@ -18,6 +18,7 @@
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCSymbol.h"
+#include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"