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1# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass greedy,amdgpu-nsa-reassign,virtregrewriter,si-shrink-instructions -o - %s | FileCheck -check-prefix=GCN %s2 3--- |4 define amdgpu_kernel void @nsa_reassign() #0 { ret void }5 define amdgpu_kernel void @do_not_reassign_spill() #0 { ret void }6 7 attributes #0 = { "amdgpu-num-vgpr"="8" }8...9 10# GCN-LABEL: name: nsa_reassign11# GCN: IMAGE_SAMPLE_C_L_V1_V5_gfx1012---13name: nsa_reassign14tracksRegLiveness: true15machineFunctionInfo:16 stackPtrOffsetReg: $sgpr3217stack:18 - { id: 0, type: default, offset: 0, size: 4, alignment: 4 }19registers:20 - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }21 - { id: 1, class: vgpr_32, preferred-register: '$vgpr1' }22 - { id: 2, class: vgpr_32, preferred-register: '$vgpr2' }23 - { id: 3, class: vgpr_32, preferred-register: '$vgpr3' }24 - { id: 4, class: vgpr_32, preferred-register: '$vgpr4' }25 - { id: 5, class: vgpr_32, preferred-register: '$vgpr5' }26 - { id: 6, class: vgpr_32, preferred-register: '$vgpr6' }27 - { id: 7, class: vgpr_32, preferred-register: '$vgpr7' }28body: |29 bb.0:30 %0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)31 %1 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)32 %2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)33 %3 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)34 %4 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)35 %5 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)36 %6 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)37 %7:vgpr_32 = IMAGE_SAMPLE_C_L_V1_V5_nsa_gfx10 %0, %2, %4, %5, %6, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, undef $sgpr8_sgpr9_sgpr10_sgpr11, 1, 2, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 7)38 S_ENDPGM 0, implicit %739...40 41# GCN-LABEL: do_not_reassign_spill42# GCN: IMAGE_SAMPLE_C_L_V1_V5_nsa_gfx1043---44name: do_not_reassign_spill45tracksRegLiveness: true46machineFunctionInfo:47 stackPtrOffsetReg: $sgpr3248stack:49 - { id: 0, type: default, offset: 0, size: 4, alignment: 4 }50registers:51 - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' }52 - { id: 1, class: vgpr_32, preferred-register: '$vgpr1' }53 - { id: 2, class: vgpr_32, preferred-register: '$vgpr2' }54 - { id: 3, class: vgpr_32, preferred-register: '$vgpr3' }55 - { id: 4, class: vgpr_32, preferred-register: '$vgpr4' }56 - { id: 5, class: vgpr_32, preferred-register: '$vgpr5' }57 - { id: 6, class: vgpr_32, preferred-register: '$vgpr6' }58 - { id: 7, class: vgpr_32, preferred-register: '$vgpr7' }59body: |60 bb.0:61 %0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)62 %1 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)63 %2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)64 %3 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)65 %4 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)66 %5 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)67 %6 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)68 S_NOP 0, implicit-def dead $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr769 S_NOP 0, implicit %0, implicit %1, implicit %2, implicit %3, implicit %4, implicit %5, implicit %670 %7:vgpr_32 = IMAGE_SAMPLE_C_L_V1_V5_nsa_gfx10 %0, %2, %4, %5, %6, undef $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, undef $sgpr8_sgpr9_sgpr10_sgpr11, 1, 2, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s32), addrspace 7)71 S_ENDPGM 0, implicit %772...73