forked from OSchip/llvm-project
203 lines
4.6 KiB
YAML
203 lines
4.6 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=gfx900 -start-before postrapseudos -asm-verbose=0 -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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# GCN-LABEL: {{^}}lo_to_lo:
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# GCN: v_alignbyte_b32 v1, v0, v1, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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name: lo_to_lo
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi:
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# GCN: v_lshrrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v0, v1, 2
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name: lo_to_hi
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_hi16 = COPY killed $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_lo:
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# GCN: v_lshlrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v0, 2
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name: hi_to_lo
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY $vgpr0_hi16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_hi:
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# GCN: v_alignbyte_b32 v1, v1, v0, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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name: hi_to_hi
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_hi16 = COPY $vgpr0_hi16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_lo_samereg:
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# GCN: s_waitcnt
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# GCN-NEXT: s_endpgm
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name: lo_to_lo_samereg
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr0_lo16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi_samereg:
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# GCN: v_pk_add_u16 v0, v0, 0 op_sel_hi:[0,0]
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name: lo_to_hi_samereg
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr0_hi16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_lo_samereg:
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# GCN: v_pk_add_u16 v0, v0, 0 op_sel:[1,0] op_sel_hi:[1,0]
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name: hi_to_lo_samereg
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr0_lo16 = COPY killed $vgpr0_hi16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_hi_samereg:
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# GCN: s_waitcnt
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# GCN-NEXT: s_endpgm
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name: hi_to_hi_samereg
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr0_hi16 = COPY killed $vgpr0_hi16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_lo_def_livein:
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# GCN: v_alignbyte_b32 v1, v0, v1, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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name: lo_to_lo_def_livein
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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$vgpr1 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi_def_livein:
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# GCN: v_lshrrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v0, v1, 2
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name: lo_to_hi_def_livein
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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$vgpr1 = IMPLICIT_DEF
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$vgpr1_hi16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_lo_def_livein:
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# GCN: v_lshlrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v0, 2
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name: hi_to_lo_def_livein
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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$vgpr1 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY killed $vgpr0_hi16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}hi_to_hi_def_livein:
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# GCN: v_alignbyte_b32 v1, v1, v0, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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name: hi_to_hi_def_livein
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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$vgpr1 = IMPLICIT_DEF
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$vgpr1_hi16 = COPY $vgpr0_hi16
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S_ENDPGM 0
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...
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# TODO: This can be coalesced into a VGPR_32 copy
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# GCN-LABEL: {{^}}lo_to_lo_hi_to_hi:
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# GCN: v_alignbyte_b32 v1, v0, v1, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v0, 2
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v1, 2
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# GCN-NEXT: v_mov_b32_e32 v2, v1
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# GCN-NEXT: s_endpgm
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name: lo_to_lo_hi_to_hi
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY $vgpr0_lo16
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$vgpr1_hi16 = COPY $vgpr0_hi16
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$vgpr2 = COPY killed $vgpr1
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi_hi_to_lo:
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# GCN: v_lshlrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v1, v0, 2
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# GCN-NEXT: v_lshrrev_b32_e32 v1, 16, v1
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# GCN-NEXT: v_alignbyte_b32 v1, v0, v1, 2
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# GCN-NEXT: v_mov_b32_e32 v2, v1
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# GCN-NEXT: s_endpgm
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name: lo_to_hi_hi_to_lo
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$vgpr1_lo16 = COPY $vgpr0_hi16
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$vgpr1_hi16 = COPY $vgpr0_lo16
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$vgpr2 = COPY killed $vgpr1
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S_ENDPGM 0
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...
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# NB: copy of undef just killed instead of expansion
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# GCN-LABEL: {{^}}lo_to_lo_undef:
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# GCN: s_waitcnt
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# GCN-NEXT: v_mov_b32_e32 v2, v1
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# GCN-NEXT: s_endpgm
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name: lo_to_lo_undef
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr1_lo16 = COPY undef $vgpr0_lo16
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$vgpr2 = COPY killed $vgpr1
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S_ENDPGM 0
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...
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