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/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 96ae40c..9a79748 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -832,12 +832,13 @@
// only deal in IEEE FP).
//
static bool isFPCSafeToPrint(const ConstantFP *CFP) {
+ bool ignored;
// Do long doubles in hex for now.
if (CFP->getType()!=Type::FloatTy && CFP->getType()!=Type::DoubleTy)
return false;
APFloat APF = APFloat(CFP->getValueAPF()); // copy
if (CFP->getType()==Type::FloatTy)
- APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);
+ APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
#if HAVE_PRINTF_A && ENABLE_CBE_PRINTF_A
char Buffer[100];
sprintf(Buffer, "%a", APF.convertToDouble());