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49 lines
2.6 KiB
49 lines
2.6 KiB
4 months ago
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=regbankselect -regbankselect-fast -o - %s | FileCheck -check-prefix=FAST %s
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# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=regbankselect -regbankselect-greedy -o - %s | FileCheck -check-prefix=GREEDY %s
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# We see the offset is a VGPR, but this is due to a constant for some
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# reason ending up in a VGPR. This shouldn't really ever happen, but
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# make sure this doesn't break when looking through copies for the add
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# operands.
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---
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name: s_buffer_load_f32_vgpr_offset_cross_bank_copy_add_offset
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr0
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; FAST-LABEL: name: s_buffer_load_f32_vgpr_offset_cross_bank_copy_add_offset
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; FAST: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr0
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; FAST: [[COPY:%[0-9]+]]:sgpr(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; FAST: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
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; FAST: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 256
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; FAST: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
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; FAST: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
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; FAST: [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY3]], [[COPY2]]
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; FAST: [[C1:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
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; FAST: [[C2:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
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; FAST: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[COPY]](<4 x s32>), [[C2]](s32), [[COPY3]], [[C1]], 256, 0, 0 :: (dereferenceable invariant load 4)
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; FAST: S_ENDPGM 0, implicit [[AMDGPU_BUFFER_LOAD]](s32)
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; GREEDY-LABEL: name: s_buffer_load_f32_vgpr_offset_cross_bank_copy_add_offset
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; GREEDY: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr0
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; GREEDY: [[COPY:%[0-9]+]]:sgpr(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; GREEDY: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
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; GREEDY: [[C:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 256
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; GREEDY: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
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; GREEDY: [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY2]], [[C]]
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; GREEDY: [[C1:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
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; GREEDY: [[C2:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
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; GREEDY: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[COPY]](<4 x s32>), [[C2]](s32), [[COPY2]], [[C1]], 256, 0, 0 :: (dereferenceable invariant load 4)
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; GREEDY: S_ENDPGM 0, implicit [[AMDGPU_BUFFER_LOAD]](s32)
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%0:_(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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%1:_(s32) = COPY $sgpr0
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%2:vgpr(s32) = G_CONSTANT i32 256
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%3:_(s32) = G_ADD %1, %2
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%4:_(s32) = G_AMDGPU_S_BUFFER_LOAD %0, %3, 0
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S_ENDPGM 0, implicit %4
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...
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