llvm/test/TableGen/MultiPat.td

   1 // RUN: llvm-tblgen %s | FileCheck %s
   2 // XFAIL: vg_leak
   3
   4 class ValueType<int size, int value> {
   5   int Size = size;
   6   int Value = value;
   7 }
   8
   9 def v2i64  : ValueType<128, 22>;   //  2 x i64 vector value
  10 def v2f64  : ValueType<128, 28>;   //  2 x f64 vector value
  11
  12 class Intrinsic<string name> {
  13   string Name = name;
  14 }
  15
  16 class Pattern<dag patternToMatch, list<dag> resultInstrs> {
  17   dag             PatternToMatch  = patternToMatch;
  18   list<dag>       ResultInstrs    = resultInstrs;
  19 }
  20
  21 // Pat - A simple (but common) form of a pattern, which produces a simple result
  22 // not needing a full list.
  23 class Pat<dag pattern, dag result> : Pattern<pattern, [result]>;
  24
  25 class Inst<bits<8> opcode, dag oopnds, dag iopnds, string asmstr,
  26            list<dag> pattern> {
  27   bits<8> Opcode = opcode;
  28   dag OutOperands = oopnds;
  29   dag InOperands = iopnds;
  30   string AssemblyString = asmstr;
  31   list<dag> Pattern = pattern;
  32 }
  33
  34 def ops;
  35 def outs;
  36 def ins;
  37
  38 def set;
  39
  40 // Define registers
  41 class Register<string n> {
  42   string Name = n;
  43 }
  44
  45 class RegisterClass<list<ValueType> regTypes, list<Register> regList> {
  46   list<ValueType> RegTypes = regTypes;
  47   list<Register> MemberList = regList;
  48 }
  49
  50 def XMM0: Register<"xmm0">;
  51 def XMM1: Register<"xmm1">;
  52 def XMM2: Register<"xmm2">;
  53 def XMM3: Register<"xmm3">;
  54 def XMM4: Register<"xmm4">;
  55 def XMM5: Register<"xmm5">;
  56 def XMM6: Register<"xmm6">;
  57 def XMM7: Register<"xmm7">;
  58 def XMM8:  Register<"xmm8">;
  59 def XMM9:  Register<"xmm9">;
  60 def XMM10: Register<"xmm10">;
  61 def XMM11: Register<"xmm11">;
  62 def XMM12: Register<"xmm12">;
  63 def XMM13: Register<"xmm13">;
  64 def XMM14: Register<"xmm14">;
  65 def XMM15: Register<"xmm15">;
  66
  67 def VR128 : RegisterClass<[v2i64, v2f64],
  68                           [XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7,
  69                            XMM8, XMM9, XMM10, XMM11,
  70                            XMM12, XMM13, XMM14, XMM15]>;
  71
  72 // Dummy for subst
  73 def REGCLASS : RegisterClass<[], []>;
  74 def MNEMONIC;
  75
  76 // Define intrinsics
  77 def int_x86_sse2_add_ps : Intrinsic<"addps">;
  78 def int_x86_sse2_add_pd : Intrinsic<"addpd">;
  79 def INTRINSIC : Intrinsic<"Dummy">;
  80 def bitconvert;
  81
  82 class MakePat<list<dag> patterns> : Pat<patterns[0], patterns[1]>;
  83
  84 class Base<bits<8> opcode, dag opnds, dag iopnds, string asmstr, Intrinsic intr,
  85            list<list<dag>> patterns>
  86       : Inst<opcode, opnds, iopnds, asmstr,
  87              !foreach(pattern, patterns[0],
  88                       !foreach(operand, pattern,
  89                                !subst(INTRINSIC, intr,
  90                                !subst(REGCLASS, VR128,
  91                                !subst(MNEMONIC, set, operand)))))>,
  92         MakePat<!foreach(pattern, patterns[1],
  93                          !foreach(operand, pattern,
  94                                   !subst(INTRINSIC, intr,
  95                                   !subst(REGCLASS, VR128,
  96                                   !subst(MNEMONIC, set, operand)))))>;
  97
  98 multiclass arith<bits<8> opcode, string asmstr, string intr, list<list<dag>> patterns> {
  99   def PS : Base<opcode, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2),
 100                  !strconcat(asmstr, "\t$dst, $src1, $src2"), !cast<Intrinsic>(!subst("SUFFIX", "_ps", intr)), patterns>;
 101
 102   def PD : Base<opcode, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2),
 103                  !strconcat(asmstr, "\t$dst, $src1, $src2"), !cast<Intrinsic>(!subst("SUFFIX", "_pd", intr)), patterns>;
 104 }
 105
 106 defm ADD : arith<0x58, "add", "int_x86_sse2_addSUFFIX",
 107                   // rr Patterns
 108                  [[(set REGCLASS:$dst, (INTRINSIC REGCLASS:$src1, REGCLASS:$src2))],
 109                    [(set REGCLASS:$dst, (bitconvert (INTRINSIC REGCLASS:$src1, REGCLASS:$src2))),
 110                     (MNEMONIC REGCLASS:$dst, REGCLASS:$src)]]>;
 111
 112 // CHECK: [(set VR128:$dst, (int_x86_sse2_add_pd VR128:$src1, VR128:$src2))]
 113 // CHECK: [(set VR128:$dst, (int_x86_sse2_add_ps VR128:$src1, VR128:$src2))]