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ff27bce210
We do not want to break asm syntax. These suffixes are quite useful for debugging, so add an option to print them. Right now it is NFC. Differential Revision: https://reviews.llvm.org/D79435
56 lines
2.3 KiB
YAML
56 lines
2.3 KiB
YAML
# 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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# 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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# 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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# 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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# Note: GFX8 did not allow SDWA SGPR sources. Therefor no HI16 subregs can be used there.
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# GCN-LABEL: {{^}}lo_to_lo_illegal_vgpr_to_sgpr:
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# GCN: ; illegal copy v0.l to s1.l
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# ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_vgpr_to_sgpr void (): illegal SGPR to VGPR copy
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name: lo_to_lo_illegal_vgpr_to_sgpr
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$sgpr1_lo16 = COPY $vgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi_sgpr_to_vgpr:
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# GFX8: ; illegal copy s0.l to v1.h
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# GFX9: v_mov_b32_sdwa v1, s0 dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
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# GFX8-ERR: error: <unknown>:0:0: in function lo_to_hi_sgpr_to_vgpr void (): Cannot use hi16 subreg on VI!
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name: lo_to_hi_sgpr_to_vgpr
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tracksRegLiveness: true
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body: |
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bb.0:
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$sgpr0 = IMPLICIT_DEF
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$vgpr1_hi16 = COPY killed $sgpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_lo_illegal_agpr_to_sgpr:
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# GCN: ; illegal copy a0.l to s1.l
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# ERR: error: <unknown>:0:0: in function lo_to_lo_illegal_agpr_to_sgpr void (): illegal SGPR to VGPR copy
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name: lo_to_lo_illegal_agpr_to_sgpr
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tracksRegLiveness: true
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body: |
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bb.0:
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$agpr0 = IMPLICIT_DEF
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$sgpr1_lo16 = COPY $agpr0_lo16
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S_ENDPGM 0
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...
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# GCN-LABEL: {{^}}lo_to_hi_vgpr_to_agpr:
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# GCN: ; illegal copy v0.h to a1.l
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# ERR: error: <unknown>:0:0: in function lo_to_hi_vgpr_to_agpr void (): Cannot use hi16 subreg with an AGPR!
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name: lo_to_hi_vgpr_to_agpr
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tracksRegLiveness: true
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body: |
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bb.0:
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$vgpr0 = IMPLICIT_DEF
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$agpr1_lo16 = COPY killed $vgpr0_hi16
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S_ENDPGM 0
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...
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