| // 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 MIFlagsTest : GICombineRule< |
| (defs root:$dst), |
| (match (G_SEXT $dst, $tmp), (G_ZEXT $tmp, $src, (MIFlags FmReassoc, FmNsz, (not FmNoNans, FmArcp))):$mi), |
| (apply (G_MUL $dst, $src, $src, (MIFlags $mi, FmReassoc, (not FmNsz, FmArcp))))>; |
| |
| def MyCombiner: GICombiner<"GenMyCombiner", [MIFlagsTest]>; |
| |
| // CHECK: const uint8_t *GenMyCombiner::getMatchTable() const { |
| // CHECK-NEXT: constexpr static uint8_t MatchTable0[] = { |
| // CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ GIMT_Encode4(68), // Rule ID 0 // |
| // CHECK-NEXT: GIM_CheckSimplePredicate, GIMT_Encode2(GICXXPred_Simple_IsRule0Enabled), |
| // CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, GIMT_Encode2(TargetOpcode::G_SEXT), |
| // CHECK-NEXT: // MIs[0] dst |
| // CHECK-NEXT: // No operand predicates |
| // CHECK-NEXT: // MIs[0] tmp |
| // CHECK-NEXT: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1] |
| // CHECK-NEXT: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_ZEXT), |
| // CHECK-NEXT: GIM_MIFlags, /*MI*/1, GIMT_Encode4(MachineInstr::FmNsz | MachineInstr::FmReassoc), |
| // CHECK-NEXT: GIM_MIFlagsNot, /*MI*/1, GIMT_Encode4(MachineInstr::FmArcp | MachineInstr::FmNoNans), |
| // CHECK-NEXT: // MIs[1] src |
| // CHECK-NEXT: // No operand predicates |
| // CHECK-NEXT: GIM_CheckIsSafeToFold, /*InsnID*/1, |
| // CHECK-NEXT: // Combiner Rule #0: MIFlagsTest |
| // CHECK-NEXT: GIR_BuildMI, /*InsnID*/0, /*Opcode*/GIMT_Encode2(TargetOpcode::G_MUL), |
| // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/0, /*OpIdx*/0, // dst |
| // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/1, // src |
| // CHECK-NEXT: GIR_Copy, /*NewInsnID*/0, /*OldInsnID*/1, /*OpIdx*/1, // src |
| // CHECK-NEXT: GIR_CopyMIFlags, /*InsnID*/0, /*OldInsnID*/1, |
| // CHECK-NEXT: GIR_SetMIFlags, /*InsnID*/0, GIMT_Encode4(MachineInstr::FmReassoc), |
| // CHECK-NEXT: GIR_UnsetMIFlags, /*InsnID*/0, GIMT_Encode4(MachineInstr::FmNsz | MachineInstr::FmArcp), |
| // CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0, |
| // CHECK-NEXT: GIR_Done, |
| // CHECK-NEXT: // Label 0: @68 |
| // CHECK-NEXT: GIM_Reject, |
| // CHECK-NEXT: }; |
| // CHECK-NEXT: return MatchTable0; |
| // CHECK-NEXT: } |
