From def286408f4ddd0511164d231dfeddcc5fe12008 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 9 Apr 2008 00:03:58 +0000 Subject: make ConstantFP::isExactlyValue work for long double as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49410 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Constants.h | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'include/llvm/Constants.h') diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index 13df601f41..b7c16e4f8c 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -251,16 +251,13 @@ public: /// As such, this method can be used to do an exact bit-for-bit comparison of /// two floating point values. The version with a double operand is retained /// because it's so convenient to write isExactlyValue(2.0), but please use - /// it only for constants. + /// it only for simple constants. bool isExactlyValue(const APFloat& V) const; bool isExactlyValue(double V) const { - if (&Val.getSemantics() == &APFloat::IEEEdouble) - return isExactlyValue(APFloat(V)); - else if (&Val.getSemantics() == &APFloat::IEEEsingle) - return isExactlyValue(APFloat((float)V)); - assert(0); - return false; + APFloat FV(V); + FV.convert(Val.getSemantics(), APFloat::rmNearestTiesToEven); + return isExactlyValue(FV); } /// Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const ConstantFP *) { return true; } -- cgit v1.2.3