llvm/test/TableGen/GlobalISelCombinerEmitter/match-table-patfrag-root.td

   1 // RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
   2 // RUN:     -combiners=MyCombiner -gicombiner-debug-cxxpreds %s | \
   3 // RUN: FileCheck %s
   4
   5 include "llvm/Target/Target.td"
   6 include "llvm/Target/GlobalISel/Combine.td"
   7
   8 def MyTargetISA : InstrInfo;
   9 def MyTarget : Target { let InstructionSet = MyTargetISA; }
  10
  11 def MatchFooPerms: GICombinePatFrag<
  12     (outs root:$foo),
  13     (ins gi_imm:$cst),
  14     [
  15       (pattern (G_ZEXT $foo, $b), (G_TRUNC $b, $x):$dbg0),
  16       (pattern (G_TRUNC $foo, $z):$dbg1),
  17       (pattern (G_FPEXT $foo, $z):$dbg1)
  18     ]>;
  19
  20 def Test0 : GICombineRule<
  21   (defs root:$root),
  22   (match (MatchFooPerms $root, (i32 10))),
  23   (apply (COPY $root, (i32 0)))>;
  24
  25 def MyCombiner: GICombiner<"GenMyCombiner", [
  26   Test0
  27 ]>;
  28
  29 //      CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
  30 // CHECK-NEXT:   constexpr static uint8_t MatchTable0[] = {
  31 // CHECK-NEXT:     GIM_SwitchOpcode, /*MI*/0, /*[*/GIMT_Encode2({{[0-9]+}}), GIMT_Encode2({{[0-9]+}}), /*)*//*default:*//*Label 3*/ GIMT_Encode4([[L380:[0-9]+]]),
  32 // CHECK-NEXT:     /*TargetOpcode::G_TRUNC*//*Label 0*/ GIMT_Encode4([[L262:[0-9]+]]), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
  33 // CHECK-NEXT:     /*TargetOpcode::G_ZEXT*//*Label 1*/ GIMT_Encode4([[L298:[0-9]+]]), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
  34 // CHECK-NEXT:     /*TargetOpcode::G_FPEXT*//*Label 2*/ GIMT_Encode4([[L344:[0-9]+]]),
  35 // CHECK-NEXT:     // Label 0: @[[L262]]
  36 // CHECK-NEXT:     GIM_Try, /*On fail goto*//*Label 4*/ GIMT_Encode4([[L297:[0-9]+]]), // Rule ID 1 //
  37 // CHECK-NEXT:       GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
  38 // CHECK-NEXT:       // MIs[0] root
  39 // CHECK-NEXT:       // No operand predicates
  40 // CHECK-NEXT:       // MIs[0] __Test0_match_0.z
  41 // CHECK-NEXT:       // No operand predicates
  42 // CHECK-NEXT:       GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
  43 // CHECK-NEXT:       GIR_BuildConstant, /*TempRegID*/0, /*Val*/GIMT_Encode8(0),
  44 // CHECK-NEXT:       // Combiner Rule #0: Test0 @ [__Test0_match_0[1]]
  45 // CHECK-NEXT:       GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
  46 // CHECK-NEXT:       GIR_RootToRootCopy, /*OpIdx*/0, // root
  47 // CHECK-NEXT:       GIR_AddSimpleTempRegister, /*InsnID*/0, /*TempRegID*/0,
  48 // CHECK-NEXT:       GIR_EraseRootFromParent_Done,
  49 // CHECK-NEXT:     // Label 4: @[[L297]]
  50 // CHECK-NEXT:     GIM_Reject,
  51 // CHECK-NEXT:     // Label 1: @[[L298]]
  52 // CHECK-NEXT:     GIM_Try, /*On fail goto*//*Label 5*/ GIMT_Encode4([[L343:[0-9]+]]), // Rule ID 0 //
  53 // CHECK-NEXT:       GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
  54 // CHECK-NEXT:       // MIs[0] root
  55 // CHECK-NEXT:       // No operand predicates
  56 // CHECK-NEXT:       // MIs[0] __Test0_match_0.b
  57 // CHECK-NEXT:       GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
  58 // CHECK-NEXT:       GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_TRUNC),
  59 // CHECK-NEXT:       // MIs[1] __Test0_match_0.x
  60 // CHECK-NEXT:       // No operand predicates
  61 // CHECK-NEXT:       GIM_CheckIsSafeToFold, /*NumInsns*/1,
  62 // CHECK-NEXT:       GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
  63 // CHECK-NEXT:       GIR_BuildConstant, /*TempRegID*/0, /*Val*/GIMT_Encode8(0),
  64 // CHECK-NEXT:       // Combiner Rule #0: Test0 @ [__Test0_match_0[0]]
  65 // CHECK-NEXT:       GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
  66 // CHECK-NEXT:       GIR_RootToRootCopy, /*OpIdx*/0, // root
  67 // CHECK-NEXT:       GIR_AddSimpleTempRegister, /*InsnID*/0, /*TempRegID*/0,
  68 // CHECK-NEXT:       GIR_EraseRootFromParent_Done,
  69 // CHECK-NEXT:     // Label 5: @[[L343]]
  70 // CHECK-NEXT:     GIM_Reject,
  71 // CHECK-NEXT:     // Label 2: @[[L344]]
  72 // CHECK-NEXT:     GIM_Try, /*On fail goto*//*Label 6*/ GIMT_Encode4([[L379:[0-9]+]]), // Rule ID 2 //
  73 // CHECK-NEXT:       GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
  74 // CHECK-NEXT:       // MIs[0] root
  75 // CHECK-NEXT:       // No operand predicates
  76 // CHECK-NEXT:       // MIs[0] __Test0_match_0.z
  77 // CHECK-NEXT:       // No operand predicates
  78 // CHECK-NEXT:       GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
  79 // CHECK-NEXT:       GIR_BuildConstant, /*TempRegID*/0, /*Val*/GIMT_Encode8(0),
  80 // CHECK-NEXT:       // Combiner Rule #0: Test0 @ [__Test0_match_0[2]]
  81 // CHECK-NEXT:       GIR_BuildRootMI, /*Opcode*/GIMT_Encode2(TargetOpcode::COPY),
  82 // CHECK-NEXT:       GIR_RootToRootCopy, /*OpIdx*/0, // root
  83 // CHECK-NEXT:       GIR_AddSimpleTempRegister, /*InsnID*/0, /*TempRegID*/0,
  84 // CHECK-NEXT:       GIR_EraseRootFromParent_Done,
  85 // CHECK-NEXT:     // Label 6: @[[L379]]
  86 // CHECK-NEXT:     GIM_Reject,
  87 // CHECK-NEXT:     // Label 3: @[[L380]]
  88 // CHECK-NEXT:     GIM_Reject,
  89 // CHECK-NEXT:     }; // Size: {{[0-9]+}} bytes
  90 // CHECK-NEXT:   return MatchTable0;
  91 // CHECK-NEXT: }