1 // RUN: llvm-tblgen -I %p/../../../include -gen-global-isel-combiner \
2 // RUN: -combiners=MyCombiner -gicombiner-debug-cxxpreds %s | \
5 include "llvm/Target/Target.td"
6 include "llvm/Target/GlobalISel/Combine.td"
8 def MyTargetISA : InstrInfo;
9 def MyTarget : Target { let InstructionSet = MyTargetISA; }
11 def MatchFooPerms: GICombinePatFrag<
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)
20 def Test0 : GICombineRule<
22 (match (MatchFooPerms $root, (i32 10))),
23 (apply (COPY $root, (i32 0)))>;
25 def MyCombiner: GICombiner<"GenMyCombiner", [
29 // CHECK: const int64_t *GenMyCombiner::getMatchTable() const {
30 // CHECK-NEXT: constexpr static int64_t MatchTable0[] = {
31 // CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ 44, // Rule ID 0 //
32 // CHECK-NEXT: GIM_CheckSimplePredicate, GICXXPred_Simple_IsRule0Enabled,
33 // CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_ZEXT,
34 // CHECK-NEXT: // MIs[0] root
35 // CHECK-NEXT: // No operand predicates
36 // CHECK-NEXT: // MIs[0] __Test0_match_0.b
37 // CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
38 // CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, TargetOpcode::G_TRUNC,
39 // CHECK-NEXT: // MIs[1] __Test0_match_0.x
40 // CHECK-NEXT: // No operand predicates
41 // CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1,
42 // CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
43 // CHECK-NEXT: GIR_BuildMI, /*InsnID*/1, /*Opcode*/TargetOpcode::G_CONSTANT,
44 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/1, /*TempRegID*/0, /*TempRegFlags*/0,
45 // CHECK-NEXT: GIR_AddCImm, /*InsnID*/1, /*Type*/GILLT_s32, /*Imm*/0,
46 // CHECK-NEXT: // Combiner Rule #0: Test0 @ [__Test0_match_0[0]]
47 // CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/TargetOpcode::COPY,
48 // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // root
49 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/0,
50 // CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
51 // CHECK-NEXT: GIR_Done,
52 // CHECK-NEXT: // Label 0: @44
53 // CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 1*/ 79, // Rule ID 1 //
54 // CHECK-NEXT: GIM_CheckSimplePredicate, GICXXPred_Simple_IsRule0Enabled,
55 // CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_TRUNC,
56 // CHECK-NEXT: // MIs[0] root
57 // CHECK-NEXT: // No operand predicates
58 // CHECK-NEXT: // MIs[0] __Test0_match_0.z
59 // CHECK-NEXT: // No operand predicates
60 // CHECK-NEXT: GIR_MakeTempReg, /*TempRegID*/0, /*TypeID*/GILLT_s32,
61 // CHECK-NEXT: GIR_BuildMI, /*InsnID*/1, /*Opcode*/TargetOpcode::G_CONSTANT,
62 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/1, /*TempRegID*/0, /*TempRegFlags*/0,
63 // CHECK-NEXT: GIR_AddCImm, /*InsnID*/1, /*Type*/GILLT_s32, /*Imm*/0,
64 // CHECK-NEXT: // Combiner Rule #0: Test0 @ [__Test0_match_0[1]]
65 // CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/TargetOpcode::COPY,
66 // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // root
67 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/0,
68 // CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
69 // CHECK-NEXT: GIR_Done,
70 // CHECK-NEXT: // Label 1: @79
71 // CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 2*/ 114, // Rule ID 2 //
72 // CHECK-NEXT: GIM_CheckSimplePredicate, GICXXPred_Simple_IsRule0Enabled,
73 // CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_FPEXT,
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_BuildMI, /*InsnID*/1, /*Opcode*/TargetOpcode::G_CONSTANT,
80 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/1, /*TempRegID*/0, /*TempRegFlags*/0,
81 // CHECK-NEXT: GIR_AddCImm, /*InsnID*/1, /*Type*/GILLT_s32, /*Imm*/0,
82 // CHECK-NEXT: // Combiner Rule #0: Test0 @ [__Test0_match_0[2]]
83 // CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/TargetOpcode::COPY,
84 // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // root
85 // CHECK-NEXT: GIR_AddTempRegister, /*InsnID*/0, /*TempRegID*/0, /*TempRegFlags*/0,
86 // CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
87 // CHECK-NEXT: GIR_Done,
88 // CHECK-NEXT: // Label 2: @114
89 // CHECK-NEXT: GIM_Reject,
91 // CHECK-NEXT: return MatchTable0;