diff options
Diffstat (limited to 'lib/CodeGen/TargetInfo.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInfo.cpp | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp index a7c0caa..f4ec914 100644 --- a/lib/CodeGen/TargetInfo.cpp +++ b/lib/CodeGen/TargetInfo.cpp @@ -972,12 +972,11 @@ ABIArgInfo X86_64ABIInfo::getCoerceResult(QualType Ty, return (Ty->isPromotableIntegerType() ? ABIArgInfo::getExtend() : ABIArgInfo::getDirect()); } else if (CoerceTo == llvm::Type::getDoubleTy(CoerceTo->getContext())) { - // FIXME: It would probably be better to make CGFunctionInfo only map using - // canonical types than to canonize here. - QualType CTy = Context.getCanonicalType(Ty); + assert(Ty.isCanonical() && "should always have a canonical type here"); + assert(!Ty.hasQualifiers() && "should never have a qualified type here"); // Float and double end up in a single SSE reg. - if (CTy == Context.FloatTy || CTy == Context.DoubleTy) + if (Ty == Context.FloatTy || Ty == Context.DoubleTy) return ABIArgInfo::getDirect(); } @@ -1497,9 +1496,29 @@ ABIArgInfo PIC16ABIInfo::classifyArgumentType(QualType Ty, llvm::Value *PIC16ABIInfo::EmitVAArg(llvm::Value *VAListAddr, QualType Ty, CodeGenFunction &CGF) const { - return 0; + const llvm::Type *BP = llvm::PointerType::getUnqual(llvm::Type::getInt8Ty(CGF.getLLVMContext())); + const llvm::Type *BPP = llvm::PointerType::getUnqual(BP); + + CGBuilderTy &Builder = CGF.Builder; + llvm::Value *VAListAddrAsBPP = Builder.CreateBitCast(VAListAddr, BPP, + "ap"); + llvm::Value *Addr = Builder.CreateLoad(VAListAddrAsBPP, "ap.cur"); + llvm::Type *PTy = + llvm::PointerType::getUnqual(CGF.ConvertType(Ty)); + llvm::Value *AddrTyped = Builder.CreateBitCast(Addr, PTy); + + uint64_t Offset = CGF.getContext().getTypeSize(Ty) / 8; + + llvm::Value *NextAddr = + Builder.CreateGEP(Addr, llvm::ConstantInt::get( + llvm::Type::getInt32Ty(CGF.getLLVMContext()), Offset), + "ap.next"); + Builder.CreateStore(NextAddr, VAListAddrAsBPP); + + return AddrTyped; } + // ARM ABI Implementation namespace { |
