| # 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 |
| # 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 |
| # 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 |
| # 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 |
| |
| # Note: GFX8 did not allow SDWA SGPR sources. Therefor no HI16 subregs can be used there. |
| |
| # GCN-LABEL: {{^}}lo_to_lo_illegal_vgpr_to_sgpr: |
| # GCN: ; illegal copy v0.l to s1.l |
| # ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_vgpr_to_sgpr void (): illegal SGPR to VGPR copy |
| name: lo_to_lo_illegal_vgpr_to_sgpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $vgpr0 = IMPLICIT_DEF |
| $sgpr1_lo16 = COPY $vgpr0_lo16 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_hi_sgpr_to_vgpr: |
| # GFX8: ; illegal copy s0.l to v1.h |
| # GFX9: v_mov_b32_sdwa v1, s0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0 |
| # GFX8-ERR: error: <unknown>:0:0: in function lo_to_hi_sgpr_to_vgpr void (): Cannot use hi16 subreg on VI! |
| name: lo_to_hi_sgpr_to_vgpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $sgpr0 = IMPLICIT_DEF |
| $vgpr1_hi16 = COPY killed $sgpr0_lo16 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_lo_illegal_agpr_to_sgpr: |
| # GCN: ; illegal copy a0.l to s1.l |
| # ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_agpr_to_sgpr void (): illegal SGPR to VGPR copy |
| name: lo_to_lo_illegal_agpr_to_sgpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $agpr0 = IMPLICIT_DEF |
| $sgpr1_lo16 = COPY $agpr0_lo16 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_hi_vgpr_to_agpr: |
| # GCN: ; illegal copy v0.h to a1.l |
| # ERR: error: <unknown>:0:0: in function lo_to_hi_vgpr_to_agpr void (): Cannot use hi16 subreg with an AGPR! |
| name: lo_to_hi_vgpr_to_agpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $vgpr0 = IMPLICIT_DEF |
| $agpr1_lo16 = COPY killed $vgpr0_hi16 |
| S_ENDPGM 0 |
| ... |