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// RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
// RUN: -combiners=MyCombiner %s | \
// RUN: FileCheck %s
include "llvm/Target/Target.td"
include "llvm/Target/GlobalISel/Combine.td"
def MyTargetISA : InstrInfo;
def MyTarget : Target { let InstructionSet = MyTargetISA; }
def OneMatchOneApply : GICombineRule<
(defs root:$a),
(match (G_FABS $a, $b), "return MATCH0;"),
(apply "APPLY0")>;
def TwoMatchTwoApply : GICombineRule<
(defs root:$a),
(match (G_FNEG $a, $b), "return MATCH0;", "return MATCH1;"),
(apply "APPLY0", "APPLY1")>;
def TwoMatchNoApply : GICombineRule<
(defs root:$a),
(match (G_STORE $x, $y):$a, "return MATCH0;", "return MATCH1;"),
(apply (GIEraseRoot))>;
def NoMatchTwoApply : GICombineRule<
(defs root:$a),
(match (G_SEXT $a, $y)),
(apply "APPLY0", "APPLY1")>;
def CombineCXXOrder : GICombineRule<
(defs root:$a),
(combine (G_ZEXT $a, $y), "A0", "return A1")>;
def MyCombiner: GICombiner<"GenMyCombiner", [
OneMatchOneApply,
TwoMatchTwoApply,
TwoMatchNoApply,
NoMatchTwoApply,
CombineCXXOrder
]>;
// CHECK: bool GenMyCombiner::testMIPredicate_MI(unsigned PredicateID, const MachineInstr & MI, const MatcherState &State) const {
// CHECK-NEXT: switch (PredicateID) {
// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner0: {
// CHECK-NEXT: return MATCH0;
// CHECK-NEXT: }
// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner1: {
// CHECK-NEXT: return MATCH1;
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: llvm_unreachable("Unknown predicate");
// CHECK-NEXT: return false;
// CHECK-NEXT: }
// CHECK: bool GenMyCombiner::runCustomAction(unsigned ApplyID, const MatcherState &State, NewMIVector &OutMIs) const {
// CHECK-NEXT: Helper.getBuilder().setInstrAndDebugLoc(*State.MIs[0]);
// CHECK-NEXT: switch(ApplyID) {
// CHECK-NEXT: case GICXXCustomAction_GICombiner0:{
// CHECK-NEXT: // Match Patterns
// CHECK-NEXT: if(![&](){return MATCH0;}()) {
// CHECK-NEXT: return false;
// CHECK-NEXT: }
// CHECK-NEXT: // Apply Patterns
// CHECK-NEXT: APPLY0
// CHECK-NEXT: return true;
// CHECK-NEXT: }
// CHECK-NEXT: case GICXXCustomAction_GICombiner1:{
// CHECK-NEXT: // Match Patterns
// CHECK-NEXT: if(![&](){return MATCH0;}()) {
// CHECK-NEXT: return false;
// CHECK-NEXT: }
// CHECK-NEXT: if(![&](){return MATCH1;}()) {
// CHECK-NEXT: return false;
// CHECK-NEXT: }
// CHECK-NEXT: // Apply Patterns
// CHECK-NEXT: APPLY0
// CHECK-NEXT: APPLY1
// CHECK-NEXT: return true;
// CHECK-NEXT: }
// CHECK-NEXT: case GICXXCustomAction_GICombiner2:{
// CHECK-NEXT: // Apply Patterns
// CHECK-NEXT: APPLY0
// CHECK-NEXT: APPLY1
// CHECK-NEXT: return true;
// CHECK-NEXT: }
// CHECK-NEXT: case GICXXCustomAction_GICombiner3:{
// CHECK-NEXT: // Apply Patterns
// CHECK-NEXT: A0
// CHECK-NEXT: return A1
// CHECK-NEXT: return true;
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: llvm_unreachable("Unknown Apply Action");
// CHECK-NEXT: }
// CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
// CHECK-NEXT: constexpr static uint8_t MatchTable0[] = {
// CHECK-NEXT: /* 0 */ GIM_SwitchOpcode, /*MI*/0, /*[*/GIMT_Encode2(99), GIMT_Encode2(210), /*)*//*default:*//*Label 5*/ GIMT_Encode4(520),
// CHECK-NEXT: /* 10 */ /*TargetOpcode::G_STORE*//*Label 0*/ GIMT_Encode4(454), 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),
// CHECK-NEXT: /* 182 */ /*TargetOpcode::G_SEXT*//*Label 1*/ GIMT_Encode4(472), GIMT_Encode4(0),
// CHECK-NEXT: /* 190 */ /*TargetOpcode::G_ZEXT*//*Label 2*/ GIMT_Encode4(484), 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), GIMT_Encode4(0),
// CHECK-NEXT: /* 414 */ /*TargetOpcode::G_FNEG*//*Label 3*/ GIMT_Encode4(496), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0), GIMT_Encode4(0),
// CHECK-NEXT: /* 450 */ /*TargetOpcode::G_FABS*//*Label 4*/ GIMT_Encode4(508),
// CHECK-NEXT: /* 454 */ // Label 0: @454
// CHECK-NEXT: /* 454 */ GIM_Try, /*On fail goto*//*Label 6*/ GIMT_Encode4(471), // Rule ID 2 //
// CHECK-NEXT: /* 459 */ GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule2Enabled),
// CHECK-NEXT: /* 462 */ // MIs[0] x
// CHECK-NEXT: /* 462 */ // No operand predicates
// CHECK-NEXT: /* 462 */ // MIs[0] y
// CHECK-NEXT: /* 462 */ // No operand predicates
// CHECK-NEXT: /* 462 */ GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner0),
// CHECK-NEXT: /* 466 */ GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner1),
// CHECK-NEXT: /* 470 */ // Combiner Rule #2: TwoMatchNoApply
// CHECK-NEXT: /* 470 */ GIR_EraseRootFromParent_Done,
// CHECK-NEXT: /* 471 */ // Label 6: @471
// CHECK-NEXT: /* 471 */ GIM_Reject,
// CHECK-NEXT: /* 472 */ // Label 1: @472
// CHECK-NEXT: /* 472 */ GIM_Try, /*On fail goto*//*Label 7*/ GIMT_Encode4(483), // Rule ID 3 //
// CHECK-NEXT: /* 477 */ GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule3Enabled),
// CHECK-NEXT: /* 480 */ // MIs[0] a
// CHECK-NEXT: /* 480 */ // No operand predicates
// CHECK-NEXT: /* 480 */ // MIs[0] y
// CHECK-NEXT: /* 480 */ // No operand predicates
// CHECK-NEXT: /* 480 */ // Combiner Rule #3: NoMatchTwoApply
// CHECK-NEXT: /* 480 */ GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner2),
// CHECK-NEXT: /* 483 */ // Label 7: @483
// CHECK-NEXT: /* 483 */ GIM_Reject,
// CHECK-NEXT: /* 484 */ // Label 2: @484
// CHECK-NEXT: /* 484 */ GIM_Try, /*On fail goto*//*Label 8*/ GIMT_Encode4(495), // Rule ID 4 //
// CHECK-NEXT: /* 489 */ GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule4Enabled),
// CHECK-NEXT: /* 492 */ // MIs[0] a
// CHECK-NEXT: /* 492 */ // No operand predicates
// CHECK-NEXT: /* 492 */ // MIs[0] y
// CHECK-NEXT: /* 492 */ // No operand predicates
// CHECK-NEXT: /* 492 */ // Combiner Rule #4: CombineCXXOrder
// CHECK-NEXT: /* 492 */ GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner3),
// CHECK-NEXT: /* 495 */ // Label 8: @495
// CHECK-NEXT: /* 495 */ GIM_Reject,
// CHECK-NEXT: /* 496 */ // Label 3: @496
// CHECK-NEXT: /* 496 */ GIM_Try, /*On fail goto*//*Label 9*/ GIMT_Encode4(507), // Rule ID 1 //
// CHECK-NEXT: /* 501 */ GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
// CHECK-NEXT: /* 504 */ // MIs[0] a
// CHECK-NEXT: /* 504 */ // No operand predicates
// CHECK-NEXT: /* 504 */ // MIs[0] b
// CHECK-NEXT: /* 504 */ // No operand predicates
// CHECK-NEXT: /* 504 */ // Combiner Rule #1: TwoMatchTwoApply
// CHECK-NEXT: /* 504 */ GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner1),
// CHECK-NEXT: /* 507 */ // Label 9: @507
// CHECK-NEXT: /* 507 */ GIM_Reject,
// CHECK-NEXT: /* 508 */ // Label 4: @508
// CHECK-NEXT: /* 508 */ GIM_Try, /*On fail goto*//*Label 10*/ GIMT_Encode4(519), // Rule ID 0 //
// CHECK-NEXT: /* 513 */ GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
// CHECK-NEXT: /* 516 */ // MIs[0] a
// CHECK-NEXT: /* 516 */ // No operand predicates
// CHECK-NEXT: /* 516 */ // MIs[0] b
// CHECK-NEXT: /* 516 */ // No operand predicates
// CHECK-NEXT: /* 516 */ // Combiner Rule #0: OneMatchOneApply
// CHECK-NEXT: /* 516 */ GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
// CHECK-NEXT: /* 519 */ // Label 10: @519
// CHECK-NEXT: /* 519 */ GIM_Reject,
// CHECK-NEXT: /* 520 */ // Label 5: @520
// CHECK-NEXT: /* 520 */ GIM_Reject,
// CHECK-NEXT: /* 521 */ }; // Size: 521 bytes
// CHECK-NEXT: return MatchTable0;
// CHECK-NEXT: }
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