xref: /llvm-project/llvm/test/TableGen/GlobalISelCombinerEmitter/builtins/match-table-eraseroot.td (revision 9375962ac9e8d8e83fa8e32c3b04bb6970e4b242)
1// RUN: llvm-tblgen -I %p/../../../../include -gen-global-isel-combiner \
2// RUN:     -combiners=MyCombiner %s | \
3// RUN: FileCheck %s
4
5include "llvm/Target/Target.td"
6include "llvm/Target/GlobalISel/Combine.td"
7
8def MyTargetISA : InstrInfo;
9def MyTarget : Target { let InstructionSet = MyTargetISA; }
10
11def Test0 : GICombineRule<
12  (defs root:$mi),
13  (match (G_STORE $a, $b):$mi),
14  (apply (GIEraseRoot))>;
15
16def MyCombiner: GICombiner<"GenMyCombiner", [
17  Test0,
18]>;
19
20// CHECK:      const uint8_t *GenMyCombiner::getMatchTable() const {
21// CHECK-NEXT:   constexpr static uint8_t MatchTable0[] = {
22// CHECK-NEXT:     GIM_Try, /*On fail goto*//*Label 0*/ GIMT_Encode4(13), // Rule ID 0 //
23// CHECK-NEXT:       GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled),
24// CHECK-NEXT:       GIM_CheckOpcode, /*MI*/0, GIMT_Encode2(TargetOpcode::G_STORE),
25// CHECK-NEXT:       // MIs[0] a
26// CHECK-NEXT:       // No operand predicates
27// CHECK-NEXT:       // MIs[0] b
28// CHECK-NEXT:       // No operand predicates
29// CHECK-NEXT:       // Combiner Rule #0: Test0
30// CHECK-NEXT:       GIR_EraseRootFromParent_Done,
31// CHECK-NEXT:     // Label 0: @13
32// CHECK-NEXT:     GIM_Reject,
33// CHECK-NEXT:     };
34// CHECK-NEXT:   return MatchTable0;
35// CHECK-NEXT: }
36