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

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New code should use raw_ostream.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153326 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2012-03-23 11:26:29 +00:00
parent d25dc3358b
commit e68e77569f
3 changed files with 13 additions and 21 deletions
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lib/Target/CppBackend/CPPBackend.cpp
+12
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@@ -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.