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1 # RUN: not llc -march=amdgcn -mcpu=gfx802 -start-before postrapseudos -asm-verbose=0 -amdgpu-keep-16-bit-reg-suffixes -verify-machineinstrs %s -o - 2>&1 | FileCheck -check-prefixes=ERR,GFX8-ERR %s
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2 # RUN: not llc -march=amdgcn -mcpu=gfx802 -start-before postrapseudos -asm-verbose=0 -amdgpu-keep-16-bit-reg-suffixes -verify-machineinstrs %s -o - 2>&1 | FileCheck -check-prefix=GCN %s
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3 # RUN: not llc -march=amdgcn -mcpu=gfx900 -start-before postrapseudos -asm-verbose=0 -amdgpu-keep-16-bit-reg-suffixes -verify-machineinstrs %s -o - 2>&1 | FileCheck -check-prefix=ERR %s
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4 # RUN: not llc -march=amdgcn -mcpu=gfx900 -start-before postrapseudos -asm-verbose=0 -amdgpu-keep-16-bit-reg-suffixes -verify-machineinstrs %s -o - 2>&1 | FileCheck -check-prefixes=GCN,GFX9 %s
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5
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6 # Note: GFX8 did not allow SDWA SGPR sources. Therefor no HI16 subregs can be used there.
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7
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8 # GCN-LABEL: {{^}}lo_to_lo_illegal_vgpr_to_sgpr:
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9 # GCN: ; illegal copy v0.l to s1.l
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10 # ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_vgpr_to_sgpr void (): illegal SGPR to VGPR copy
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11 name: lo_to_lo_illegal_vgpr_to_sgpr
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12 tracksRegLiveness: true
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13 body: |
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14 bb.0:
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15 $vgpr0 = IMPLICIT_DEF
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16 $sgpr1_lo16 = COPY $vgpr0_lo16
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17 S_ENDPGM 0
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18 ...
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19
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20 # GCN-LABEL: {{^}}lo_to_hi_sgpr_to_vgpr:
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21 # GFX8: ; illegal copy s0.l to v1.h
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22 # GFX9: v_mov_b32_sdwa v1, s0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
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23 # GFX8-ERR: error: <unknown>:0:0: in function lo_to_hi_sgpr_to_vgpr void (): Cannot use hi16 subreg on VI!
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24 name: lo_to_hi_sgpr_to_vgpr
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25 tracksRegLiveness: true
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26 body: |
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27 bb.0:
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28 $sgpr0 = IMPLICIT_DEF
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29 $vgpr1_hi16 = COPY killed $sgpr0_lo16
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30 S_ENDPGM 0
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31 ...
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32
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33 # GCN-LABEL: {{^}}lo_to_lo_illegal_agpr_to_sgpr:
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34 # GCN: ; illegal copy a0.l to s1.l
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35 # ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_agpr_to_sgpr void (): illegal SGPR to VGPR copy
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36 name: lo_to_lo_illegal_agpr_to_sgpr
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37 tracksRegLiveness: true
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38 body: |
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39 bb.0:
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40 $agpr0 = IMPLICIT_DEF
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41 $sgpr1_lo16 = COPY $agpr0_lo16
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42 S_ENDPGM 0
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43 ...
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44
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45 # GCN-LABEL: {{^}}lo_to_hi_vgpr_to_agpr:
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46 # GCN: ; illegal copy v0.h to a1.l
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47 # ERR: error: <unknown>:0:0: in function lo_to_hi_vgpr_to_agpr void (): Cannot use hi16 subreg with an AGPR!
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48 name: lo_to_hi_vgpr_to_agpr
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49 tracksRegLiveness: true
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50 body: |
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51 bb.0:
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52 $vgpr0 = IMPLICIT_DEF
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53 $agpr1_lo16 = COPY killed $vgpr0_hi16
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54 S_ENDPGM 0
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55 ...
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