| # RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass greedy,amdgpu-nsa-reassign,virtregrewriter,si-shrink-instructions -o - %s | FileCheck -check-prefix=GCN %s |
| |
| --- | |
| define amdgpu_kernel void @nsa_reassign() #0 { ret void } |
| define amdgpu_kernel void @do_not_reassign_spill() #0 { ret void } |
| |
| attributes #0 = { "amdgpu-num-vgpr"="8" } |
| ... |
| |
| # GCN-LABEL: name: nsa_reassign |
| # GCN: IMAGE_SAMPLE_C_L_V1_V8_gfx10 |
| --- |
| name: nsa_reassign |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| stackPtrOffsetReg: $sgpr32 |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 4 } |
| registers: |
| - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' } |
| - { id: 1, class: vgpr_32, preferred-register: '$vgpr1' } |
| - { id: 2, class: vgpr_32, preferred-register: '$vgpr2' } |
| - { id: 3, class: vgpr_32, preferred-register: '$vgpr3' } |
| - { id: 4, class: vgpr_32, preferred-register: '$vgpr4' } |
| - { id: 5, class: vgpr_32, preferred-register: '$vgpr5' } |
| - { id: 6, class: vgpr_32, preferred-register: '$vgpr6' } |
| - { id: 7, class: vgpr_32, preferred-register: '$vgpr7' } |
| body: | |
| bb.0: |
| %0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %1 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %3 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %4 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %5 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %6 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %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 4 from custom "ImageResource") |
| S_ENDPGM 0, implicit %7 |
| ... |
| |
| # GCN-LABEL: do_not_reassign_spill |
| # GCN: IMAGE_SAMPLE_C_L_V1_V5_nsa_gfx10 |
| --- |
| name: do_not_reassign_spill |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| stackPtrOffsetReg: $sgpr32 |
| stack: |
| - { id: 0, type: default, offset: 0, size: 4, alignment: 4 } |
| registers: |
| - { id: 0, class: vgpr_32, preferred-register: '$vgpr0' } |
| - { id: 1, class: vgpr_32, preferred-register: '$vgpr1' } |
| - { id: 2, class: vgpr_32, preferred-register: '$vgpr2' } |
| - { id: 3, class: vgpr_32, preferred-register: '$vgpr3' } |
| - { id: 4, class: vgpr_32, preferred-register: '$vgpr4' } |
| - { id: 5, class: vgpr_32, preferred-register: '$vgpr5' } |
| - { id: 6, class: vgpr_32, preferred-register: '$vgpr6' } |
| - { id: 7, class: vgpr_32, preferred-register: '$vgpr7' } |
| body: | |
| bb.0: |
| %0 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %1 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %3 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %4 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %5 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| %6 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5) |
| S_NOP 0, implicit-def dead $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 |
| S_NOP 0, implicit %0, implicit %1, implicit %2, implicit %3, implicit %4, implicit %5, implicit %6 |
| %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 4 from custom "ImageResource") |
| S_ENDPGM 0, implicit %7 |
| ... |