| # RUN: llc -march=amdgcn -mcpu=gfx908 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s |
| |
| # GCN-LABEL: {{^}}lo_to_lo_agpr_to_agpr: |
| # GCN: v_accvgpr_read_b32 [[TMP:v[0-9]+]], a0 |
| # GCN-NEXT: s_nop 1 |
| # GCN-NEXT: v_accvgpr_write_b32 a1, [[TMP]] |
| name: lo_to_lo_agpr_to_agpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $agpr0 = IMPLICIT_DEF |
| $agpr1_lo16 = COPY $agpr0_lo16 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_lo_samereg: |
| # GCN: s_waitcnt |
| # GCN-NEXT: s_endpgm |
| name: lo_to_lo_samereg |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $agpr0 = IMPLICIT_DEF |
| $agpr0_lo16 = COPY $agpr0_lo16 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_lo_undef_agpr_to_agpr: |
| # GCN: v_accvgpr_read_b32 [[TMP:v[0-9]+]], a1 |
| # GCN-NEXT: s_nop 1 |
| # GCN-NEXT: v_accvgpr_write_b32 a2, [[TMP]] |
| name: lo_to_lo_undef_agpr_to_agpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $agpr1_lo16 = COPY undef $agpr0_lo16 |
| $agpr2 = COPY killed $agpr1 |
| S_ENDPGM 0 |
| ... |
| |
| # GCN-LABEL: {{^}}lo_to_lo_sgpr_to_agpr: |
| # GCN: v_mov_b32_e32 [[TMP:v[0-9]+]], s0 |
| # GCN-NEXT: s_nop 1 |
| # GCN-NEXT: v_accvgpr_write_b32 a1, [[TMP]] |
| name: lo_to_lo_sgpr_to_agpr |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| $sgpr0 = IMPLICIT_DEF |
| $agpr1_lo16 = COPY $sgpr0_lo16 |
| S_ENDPGM 0 |
| ... |