derek.holloway
7502bf64a4
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167 lines
8.8 KiB
TableGen
167 lines
8.8 KiB
TableGen
// RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
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// RUN: -combiners=MyCombiner %s | \
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// RUN: FileCheck %s
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include "llvm/Target/Target.td"
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include "llvm/Target/GlobalISel/Combine.td"
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def MyTargetISA : InstrInfo;
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def MyTarget : Target { let InstructionSet = MyTargetISA; }
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def OneMatchOneApply : GICombineRule<
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(defs root:$a),
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(match (G_FABS $a, $b), "return MATCH0;"),
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(apply "APPLY0")>;
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def TwoMatchTwoApply : GICombineRule<
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(defs root:$a),
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(match (G_FNEG $a, $b), "return MATCH0;", "return MATCH1;"),
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(apply "APPLY0", "APPLY1")>;
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def TwoMatchNoApply : GICombineRule<
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(defs root:$a),
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(match (G_STORE $x, $y):$a, "return MATCH0;", "return MATCH1;"),
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(apply (GIEraseRoot))>;
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def NoMatchTwoApply : GICombineRule<
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(defs root:$a),
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(match (G_SEXT $a, $y)),
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(apply "APPLY0", "APPLY1")>;
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def CombineCXXOrder : GICombineRule<
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(defs root:$a),
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(combine (G_ZEXT $a, $y), "A0", "return A1")>;
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def MyCombiner: GICombiner<"GenMyCombiner", [
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OneMatchOneApply,
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TwoMatchTwoApply,
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TwoMatchNoApply,
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NoMatchTwoApply,
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CombineCXXOrder
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]>;
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// CHECK: bool GenMyCombiner::testMIPredicate_MI(unsigned PredicateID, const MachineInstr & MI, const MatcherState &State) const {
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// CHECK-NEXT: switch (PredicateID) {
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// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner0: {
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// CHECK-NEXT: return MATCH0;
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// CHECK-NEXT: }
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// CHECK-NEXT: case GICXXPred_MI_Predicate_GICombiner1: {
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// CHECK-NEXT: return MATCH1;
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: llvm_unreachable("Unknown predicate");
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// CHECK-NEXT: return false;
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// CHECK-NEXT: }
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// CHECK: bool GenMyCombiner::runCustomAction(unsigned ApplyID, const MatcherState &State, NewMIVector &OutMIs) const {
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// CHECK-NEXT: Helper.getBuilder().setInstrAndDebugLoc(*State.MIs[0]);
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// CHECK-NEXT: switch(ApplyID) {
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// CHECK-NEXT: case GICXXCustomAction_GICombiner0:{
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// CHECK-NEXT: // Match Patterns
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// CHECK-NEXT: if(![&](){return MATCH0;}()) {
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// CHECK-NEXT: return false;
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// CHECK-NEXT: }
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: APPLY0
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: case GICXXCustomAction_GICombiner1:{
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// CHECK-NEXT: // Match Patterns
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// CHECK-NEXT: if(![&](){return MATCH0;}()) {
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// CHECK-NEXT: return false;
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// CHECK-NEXT: }
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// CHECK-NEXT: if(![&](){return MATCH1;}()) {
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// CHECK-NEXT: return false;
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// CHECK-NEXT: }
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: APPLY0
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// CHECK-NEXT: APPLY1
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: case GICXXCustomAction_GICombiner2:{
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: APPLY0
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// CHECK-NEXT: APPLY1
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: case GICXXCustomAction_GICombiner3:{
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// CHECK-NEXT: // Apply Patterns
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// CHECK-NEXT: A0
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// CHECK-NEXT: return A1
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// CHECK-NEXT: return true;
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: llvm_unreachable("Unknown Apply Action");
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// CHECK-NEXT: }
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// CHECK: const uint8_t *GenMyCombiner::getMatchTable() const {
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// CHECK-NEXT: constexpr static uint8_t MatchTable0[] = {
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// CHECK-NEXT: GIM_SwitchOpcode, /*MI*/0, /*[*/GIMT_Encode2({{[0-9]+}}), GIMT_Encode2({{[0-9]+}}), /*)*//*default:*//*Label 5*/ GIMT_Encode4({{[0-9]+}}),
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// CHECK-NEXT: /*TargetOpcode::G_STORE*//*Label 0*/ GIMT_Encode4({{[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),
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// CHECK-NEXT: /*TargetOpcode::G_SEXT*//*Label 1*/ GIMT_Encode4({{[0-9]+}}), GIMT_Encode4(0),
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// CHECK-NEXT: /*TargetOpcode::G_ZEXT*//*Label 2*/ GIMT_Encode4({{[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), GIMT_Encode4(0),
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// CHECK-NEXT: /*TargetOpcode::G_FNEG*//*Label 3*/ GIMT_Encode4({{[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),
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// CHECK-NEXT: /*TargetOpcode::G_FABS*//*Label 4*/ GIMT_Encode4({{[0-9]+}}),
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// CHECK-NEXT: // Label 0: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 6*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 2 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule2Enabled),
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// CHECK-NEXT: // MIs[0] x
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] y
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner0),
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// CHECK-NEXT: GIM_CheckCxxInsnPredicate, /*MI*/0, /*FnId*/GIMT_Encode2(GICXXPred_MI_Predicate_GICombiner1),
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// CHECK-NEXT: // Combiner Rule #2: TwoMatchNoApply
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// CHECK-NEXT: GIR_EraseRootFromParent_Done,
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// CHECK-NEXT: // Label 6: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 1: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 7*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 3 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule3Enabled),
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] y
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #3: NoMatchTwoApply
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner2),
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// CHECK-NEXT: // Label 7: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 2: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 8*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 4 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule4Enabled),
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] y
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #4: CombineCXXOrder
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner3),
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// CHECK-NEXT: // Label 8: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 3: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 9*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 1 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule1Enabled),
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #1: TwoMatchTwoApply
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner1),
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// CHECK-NEXT: // Label 9: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 4: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 10*/ GIMT_Encode4({{[0-9]+}}), // Rule ID 0 //
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// CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
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// CHECK-NEXT: // MIs[0] a
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // MIs[0] b
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// CHECK-NEXT: // No operand predicates
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// CHECK-NEXT: // Combiner Rule #0: OneMatchOneApply
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// CHECK-NEXT: GIR_DoneWithCustomAction, /*Fn*/GIMT_Encode2(GICXXCustomAction_GICombiner0),
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// CHECK-NEXT: // Label 10: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: // Label 5: @{{[0-9]+}}
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// CHECK-NEXT: GIM_Reject,
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// CHECK-NEXT: }; // Size: 537 bytes
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// CHECK-NEXT: return MatchTable0;
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// CHECK-NEXT: }
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