llvm/test/TableGen/GlobalISelCombinerEmitter/builtins/builtin-pattern-parrsing.td

   1 // RUN: llvm-tblgen -I %p/../../../../include -gen-global-isel-combiner \
   2 // RUN:     -gicombiner-stop-after-parse -combiners=MyCombiner %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 // CHECK:      (CombineRule name:BuiltinTest0 id:0 root:a
  12 // CHECK-NEXT:   (MatchPats
  13 // CHECK-NEXT:     <match_root>__BuiltinTest0_match_0:(CodeGenInstructionPattern G_TRUNC operands:[<def>$a, $b])
  14 // CHECK-NEXT:   )
  15 // CHECK-NEXT:   (ApplyPats
  16 // CHECK-NEXT:     <apply_root>__BuiltinTest0_apply_0:(BuiltinPattern GIReplaceReg operands:[<def>$a, $b])
  17 // CHECK-NEXT:   )
  18 // CHECK-NEXT:   (OperandTable MatchPats
  19 // CHECK-NEXT:     a -> __BuiltinTest0_match_0
  20 // CHECK-NEXT:     b -> <live-in>
  21 // CHECK-NEXT:   )
  22 // CHECK-NEXT:   (OperandTable ApplyPats
  23 // CHECK-NEXT:     a -> __BuiltinTest0_apply_0
  24 // CHECK-NEXT:     b -> <live-in>
  25 // CHECK-NEXT:   )
  26 // CHECK-NEXT: )
  27 def BuiltinTest0 : GICombineRule<
  28   (defs root:$a),
  29   (match (G_TRUNC $a, $b)),
  30   (apply (GIReplaceReg $a, $b))
  31 >;
  32
  33 // CHECK:      (CombineRule name:BuiltinTest1 id:1 root:mi
  34 // CHECK-NEXT:   (MatchPats
  35 // CHECK-NEXT:     <match_root>mi:(CodeGenInstructionPattern G_STORE operands:[$a, $b])
  36 // CHECK-NEXT:   )
  37 // CHECK-NEXT:   (ApplyPats
  38 // CHECK-NEXT:     __BuiltinTest1_apply_0:(BuiltinPattern GIEraseRoot operands:[])
  39 // CHECK-NEXT:   )
  40 // CHECK-NEXT:   (OperandTable MatchPats
  41 // CHECK-NEXT:     a -> <live-in>
  42 // CHECK-NEXT:     b -> <live-in>
  43 // CHECK-NEXT:   )
  44 // CHECK-NEXT:   (OperandTable ApplyPats <empty>)
  45 // CHECK-NEXT: )
  46 def BuiltinTest1 : GICombineRule<
  47   (defs root:$mi),
  48   (match (G_STORE $a, $b):$mi),
  49   (apply (GIEraseRoot))
  50 >;
  51
  52 def MyCombiner: GICombiner<"GenMyCombiner", [
  53   BuiltinTest0,
  54   BuiltinTest1
  55 ]>;