llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXMCAsmInfo.cpp

   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/TargetParser/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 }