lib/Target/PTX/PTXSubtarget.cpp

   1 //===- PTXSubtarget.cpp - PTX Subtarget Information ---------------*- C++ -*-=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements the PTX specific subclass of TargetSubtarget.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "PTXSubtarget.h"
  15 #include "llvm/Support/ErrorHandling.h"
  16
  17 using namespace llvm;
  18
  19 PTXSubtarget::PTXSubtarget(const std::string &TT, const std::string &FS)
  20   : PTXShaderModel(PTX_SM_1_0),
  21     PTXVersion(PTX_VERSION_2_0),
  22     SupportsDouble(false),
  23     Use64BitAddresses(false) {
  24   std::string TARGET = "generic";
  25   ParseSubtargetFeatures(FS, TARGET);
  26 }
  27
  28 std::string PTXSubtarget::getTargetString() const {
  29   switch(PTXShaderModel) {
  30     default: llvm_unreachable("Unknown shader model");
  31     case PTX_SM_1_0: return "sm_10";
  32     case PTX_SM_1_3: return "sm_13";
  33     case PTX_SM_2_0: return "sm_20";
  34   }
  35 }
  36
  37 std::string PTXSubtarget::getPTXVersionString() const {
  38   switch(PTXVersion) {
  39     default: llvm_unreachable("Unknown PTX version");
  40     case PTX_VERSION_2_0: return "2.0";
  41     case PTX_VERSION_2_1: return "2.1";
  42     case PTX_VERSION_2_2: return "2.2";
  43   }
  44 }
  45
  46 #include "PTXGenSubtarget.inc"