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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s3 4---5name: test_combine_sext_trunc_of_sextload6legalized: true7tracksRegLiveness: true8body: |9 bb.0.entry:10 liveins: $x011 ; CHECK-LABEL: name: test_combine_sext_trunc_of_sextload12 ; CHECK: liveins: $x013 ; CHECK-NEXT: {{ $}}14 ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x015 ; CHECK-NEXT: [[SEXTLOAD:%[0-9]+]]:_(s64) = G_SEXTLOAD [[COPY]](p0) :: (load (s16))16 ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[SEXTLOAD]](s64)17 ; CHECK-NEXT: $w0 = COPY [[TRUNC]](s32)18 %0:_(p0) = COPY $x019 %1:_(s64) = G_SEXTLOAD %0:_(p0) :: (load (s16))20 %2:_(s32) = G_TRUNC %1:_(s64)21 %3:_(s32) = G_SEXT_INREG %2:_(s32), 1622 $w0 = COPY %3(s32)23...24---25name: test_combine_sext_of_sextload26legalized: true27tracksRegLiveness: true28body: |29 bb.0.entry:30 liveins: $x031 ; CHECK-LABEL: name: test_combine_sext_of_sextload32 ; CHECK: liveins: $x033 ; CHECK-NEXT: {{ $}}34 ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x035 ; CHECK-NEXT: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p0) :: (load (s16))36 ; CHECK-NEXT: $w0 = COPY [[SEXTLOAD]](s32)37 %0:_(p0) = COPY $x038 %1:_(s32) = G_SEXTLOAD %0:_(p0) :: (load (s16))39 %2:_(s32) = COPY %1:_(s32)40 %3:_(s32) = G_SEXT_INREG %2:_(s32), 1641 $w0 = COPY %3(s32)42...43---44name: test_combine_sext_of_sextload_not_matching45legalized: true46tracksRegLiveness: true47body: |48 bb.0.entry:49 liveins: $x050 ; Here we're trying to extend from a smaller value than was extended in the load.51 ; CHECK-LABEL: name: test_combine_sext_of_sextload_not_matching52 ; CHECK: liveins: $x053 ; CHECK-NEXT: {{ $}}54 ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x055 ; CHECK-NEXT: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p0) :: (load (s16))56 ; CHECK-NEXT: $w0 = COPY [[SEXTLOAD]](s32)57 %0:_(p0) = COPY $x058 %1:_(s32) = G_SEXTLOAD %0:_(p0) :: (load (s16))59 %2:_(s32) = COPY %1:_(s32)60 %3:_(s32) = G_SEXT_INREG %2:_(s32), 2461 $w0 = COPY %3(s32)62...63