1 //===-- NVPTXMCAsmInfo.cpp - NVPTX asm properties -------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains the declarations of the NVPTXMCAsmInfo properties. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "NVPTXMCAsmInfo.h" 14 #include "llvm/ADT/Triple.h" 15 16 using namespace llvm; 17 18 void NVPTXMCAsmInfo::anchor() {} 19 20 NVPTXMCAsmInfo::NVPTXMCAsmInfo(const Triple &TheTriple, 21 const MCTargetOptions &Options) { 22 if (TheTriple.getArch() == Triple::nvptx64) { 23 CodePointerSize = CalleeSaveStackSlotSize = 8; 24 } 25 26 CommentString = "//"; 27 28 HasSingleParameterDotFile = false; 29 30 InlineAsmStart = " begin inline asm"; 31 InlineAsmEnd = " end inline asm"; 32 33 SupportsDebugInformation = true; 34 // PTX does not allow .align on functions. 35 HasFunctionAlignment = false; 36 HasDotTypeDotSizeDirective = false; 37 // PTX does not allow .hidden or .protected 38 HiddenDeclarationVisibilityAttr = HiddenVisibilityAttr = MCSA_Invalid; 39 ProtectedVisibilityAttr = MCSA_Invalid; 40 41 Data8bitsDirective = ".b8 "; 42 Data16bitsDirective = nullptr; // not supported 43 Data32bitsDirective = ".b32 "; 44 Data64bitsDirective = ".b64 "; 45 ZeroDirective = ".b8"; 46 AsciiDirective = nullptr; // not supported 47 AscizDirective = nullptr; // not supported 48 SupportsQuotedNames = false; 49 SupportsExtendedDwarfLocDirective = false; 50 SupportsSignedData = false; 51 52 PrivateGlobalPrefix = "$L__"; 53 PrivateLabelPrefix = PrivateGlobalPrefix; 54 55 // @TODO: Can we just disable this? 56 WeakDirective = "\t// .weak\t"; 57 GlobalDirective = "\t// .globl\t"; 58 59 UseIntegratedAssembler = false; 60 61 // Avoid using parens for identifiers starting with $ - ptxas does 62 // not expect them. 63 UseParensForDollarSignNames = false; 64 65 // ptxas does not support DWARF `.file fileno directory filename' 66 // syntax as of v11.X. 67 EnableDwarfFileDirectoryDefault = false; 68 } 69