# RUN: llc -run-pass=machine-combiner -mcpu=neoverse-n2 -mtriple=aarch64-none-linux-gnu -verify-machineinstrs %s -o - | FileCheck %s


--- |
  @external_func = external global i32
  define void @negative_pattern_offset_reg_copied_to_physical(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4) {
  entry:  
    ret void
  }
...
---
name:            negative_pattern_offset_reg_copied_to_physical
body:             |
  bb.0.entry:
    liveins: $x0, $x1, $x2, $x3

    ; CHECK-LABEL: name: negative_pattern_offset_reg_copied_to_physical
    ; CHECK: [[BASE_REG:%[0-9]+]]:gpr64common = COPY $x0
    ; CHECK-NEXT: [[PTR_1:%[0-9]+]]:gpr64common = COPY $x1
    ; CHECK-NEXT: [[PTR_2:%[0-9]+]]:gpr64common = COPY $x2
    ; CHECK-NEXT: [[PTR_3:%[0-9]+]]:gpr64common = COPY $x3
    ; CHECK-NEXT: [[LD_i32:%[0-9]+]]:fpr32 = LDRSroX [[BASE_REG]], killed [[PTR_1]], 0, 1
    ; CHECK-NEXT: [[LD_LANE_0:%[0-9]+]]:fpr128 = SUBREG_TO_REG killed [[LD_i32]], %subreg.ssub
    ; CHECK-NEXT: [[LD_LANE_1:%[0-9]+]]:fpr128 = LD1i32 [[LD_LANE_0]], 1, [[PTR_2]]
    ; CHECK-NEXT: $x0 = COPY [[PTR_2]]
    ; CHECK-NEXT: BL @external_func, csr_aarch64_aapcs, implicit-def $lr, implicit $x0, implicit-def $x0
    ; CHECK-NEXT: [[LD_LANE_2:%[0-9]+]]:fpr128 = LD1i32 [[LD_LANE_1]], 2, killed [[PTR_2]]
    ; CHECK-NEXT: [[LD_LANE_3:%[0-9]+]]:fpr128 = LD1i32 [[LD_LANE_2]], 3, killed [[PTR_3]]
    ; CHECK-NEXT: [[RESULT:%[0-9]+]]:gpr64common = COPY $x0
    ; CHECK-NEXT: $q0 = COPY [[LD_LANE_3]]
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %0:gpr64common = COPY $x0
    %1:gpr64common = COPY $x1
    %2:gpr64common = COPY $x2
    %3:gpr64common = COPY $x3
    %5:fpr32 = LDRSroX %0, killed %1, 0, 1
    %6:fpr128 = SUBREG_TO_REG killed %5, %subreg.ssub
    %7:fpr128 = LD1i32 %6, 1, %2
    $x0 = COPY %2
    BL @external_func, csr_aarch64_aapcs, implicit-def $lr, implicit $x0, implicit-def $x0
    %8:fpr128 = LD1i32 %7, 2, killed %2
    %9:fpr128 = LD1i32 %8, 3, killed %3
    %10:gpr64common = COPY $x0
    $q0 = COPY %9
    RET_ReallyLR implicit $q0