Add a "loses information" return value to APFloat::convert
and APFloat::convertToInteger. Restore return value to
IEEE754. Adjust all users accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 21e6735..fb83663 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -218,9 +218,10 @@
// This makes sure that conversion to/from floating yields the same binary
// result so that we don't lose precision.
void CppWriter::printCFP(const ConstantFP *CFP) {
+ bool ignored;
APFloat APF = APFloat(CFP->getValueAPF()); // copy
if (CFP->getType() == Type::FloatTy)
- APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);
+ APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
Out << "ConstantFP::get(";
Out << "APFloat(";
#if HAVE_PRINTF_A