From bdef5df44e59e941e71e16eebd2001b38e22e901 Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Tue, 27 May 2008 04:20:05 +0000 Subject: Generalize the float type generation code, and specifically fix the codegen of X86 long double. llvm-svn: 51578 --- clang/lib/CodeGen/CodeGenTypes.cpp | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) (limited to 'clang/lib') diff --git a/clang/lib/CodeGen/CodeGenTypes.cpp b/clang/lib/CodeGen/CodeGenTypes.cpp index b640c912e5c..aa0d2ed0531 100644 --- a/clang/lib/CodeGen/CodeGenTypes.cpp +++ b/clang/lib/CodeGen/CodeGenTypes.cpp @@ -161,6 +161,21 @@ void CodeGenTypes::CollectObjCIvarTypes(ObjCInterfaceDecl *ObjCClass, } } +static const llvm::Type* getTypeForFormat(const llvm::fltSemantics * format) { + if (format == &llvm::APFloat::IEEEsingle) + return llvm::Type::FloatTy; + if (format == &llvm::APFloat::IEEEdouble) + return llvm::Type::DoubleTy; + if (format == &llvm::APFloat::IEEEquad) + return llvm::Type::FP128Ty; + if (format == &llvm::APFloat::PPCDoubleDouble) + return llvm::Type::PPC_FP128Ty; + if (format == &llvm::APFloat::x87DoubleExtended) + return llvm::Type::X86_FP80Ty; + assert(9 && "Unknown float format!"); + return 0; +} + const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) { const clang::Type &Ty = *T.getCanonicalType(); @@ -195,13 +210,12 @@ const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) { return llvm::IntegerType::get( static_cast(Context.getTypeSize(T))); - case BuiltinType::Float: return llvm::Type::FloatTy; + case BuiltinType::Float: + return getTypeForFormat(Context.Target.getFloatFormat()); case BuiltinType::Double: - return (Context.Target.getDoubleFormat() == &llvm::APFloat::IEEEdouble) ? - llvm::Type::DoubleTy : llvm::Type::FloatTy; + return getTypeForFormat(Context.Target.getDoubleFormat()); case BuiltinType::LongDouble: - // FIXME: mapping long double onto double. - return llvm::Type::DoubleTy; + return getTypeForFormat(Context.Target.getLongDoubleFormat()); } break; } -- cgit v1.2.3