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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -stress-regalloc=2 -start-before=greedy -stop-after=virtregmap -o - %s | FileCheck %s3 4# Test that a spill of a copy of m0 is not folded to be a spill of m0 directly.5 6---7 8name: merge_sgpr_spill_into_copy_from_m09tracksRegLiveness: true10machineFunctionInfo:11 isEntryFunction: true12body: |13 bb.0:14 15 ; CHECK-LABEL: name: merge_sgpr_spill_into_copy_from_m016 ; CHECK: S_NOP 0, implicit-def $m017 ; CHECK-NEXT: $sgpr0 = S_MOV_B32 $m018 ; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF19 ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr020 ; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 021 ; CHECK-NEXT: S_NOP 0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0, implicit killed renamable $sgpr022 ; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 023 ; CHECK-NEXT: $m0 = S_MOV_B32 killed $sgpr024 ; CHECK-NEXT: S_NOP 025 ; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec26 S_NOP 0, implicit-def $m027 %0:sreg_32 = COPY $m028 S_NOP 0, implicit-def %1:sreg_32, implicit-def %2:sreg_32, implicit %029 $m0 = COPY %030 S_SENDMSG 0, implicit $m0, implicit $exec31 32...33 34# Test that a reload into a copy of m0 is not folded to be a reload of m0 directly.35 36---37 38name: reload_sgpr_spill_into_copy_to_m039tracksRegLiveness: true40machineFunctionInfo:41 isEntryFunction: true42body: |43 bb.0:44 45 ; CHECK-LABEL: name: reload_sgpr_spill_into_copy_to_m046 ; CHECK: $vgpr0 = IMPLICIT_DEF47 ; CHECK-NEXT: S_NOP 0, implicit-def renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def $m048 ; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr049 ; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 050 ; CHECK-NEXT: S_NOP 0, implicit killed renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr051 ; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 052 ; CHECK-NEXT: $m0 = S_MOV_B32 killed $sgpr053 ; CHECK-NEXT: S_NOP 054 ; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec55 S_NOP 0, implicit-def %0:sreg_32, implicit-def %1:sreg_32, implicit-def $m056 S_NOP 0, implicit %0, implicit-def %3:sreg_32, implicit-def %4:sreg_3257 $m0 = COPY %058 S_SENDMSG 0, implicit $m0, implicit $exec59 60...61