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d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
57 lines
2.2 KiB
YAML
57 lines
2.2 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=fiji -start-before=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck -check-prefix=SDWA %s
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# RUN: llc -march=amdgcn -mcpu=gfx900 -start-before=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck -check-prefix=SDWA %s
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# SDWA-LABEL: {{^}}add_f16_u32_preserve
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# SDWA: flat_load_dword [[FIRST:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
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# SDWA: flat_load_dword [[SECOND:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
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# SDWA: v_mul_f32_sdwa [[RES:v[0-9]+]], [[FIRST]], [[SECOND]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_3
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# SDWA: v_add_f16_sdwa [[RES:v[0-9]+]], [[FIRST]], [[SECOND]] dst_sel:BYTE_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0 src1_sel:WORD_1
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# SDWA: flat_store_dword v[{{[0-9]+}}:{{[0-9]+}}], [[RES]]
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---
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name: add_f16_u32_preserve
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vreg_64 }
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- { id: 1, class: vreg_64 }
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- { id: 2, class: sreg_64 }
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- { id: 3, class: vgpr_32 }
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- { id: 4, class: vgpr_32 }
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- { id: 5, class: vgpr_32 }
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- { id: 6, class: vgpr_32 }
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- { id: 7, class: vgpr_32 }
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- { id: 8, class: vgpr_32 }
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- { id: 9, class: vgpr_32 }
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- { id: 10, class: vgpr_32 }
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- { id: 11, class: vgpr_32 }
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- { id: 12, class: vgpr_32 }
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- { id: 13, class: vgpr_32 }
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body: |
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bb.0:
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liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31
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%2 = COPY $sgpr30_sgpr31
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%1 = COPY $vgpr2_vgpr3
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%0 = COPY $vgpr0_vgpr1
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%3 = FLAT_LOAD_DWORD %0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
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%4 = FLAT_LOAD_DWORD %1, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
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%5 = V_AND_B32_e32 65535, %3, implicit $exec
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%6 = V_LSHRREV_B32_e64 16, %4, implicit $exec
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%7 = V_BFE_U32 %3, 8, 8, implicit $exec
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%8 = V_LSHRREV_B32_e32 24, %4, implicit $exec
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%9 = V_ADD_F16_e64 0, %5, 0, %6, 0, 0, implicit $exec
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%10 = V_LSHLREV_B16_e64 8, %9, implicit $exec
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%11 = V_MUL_F32_e64 0, %7, 0, %8, 0, 0, implicit $exec
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%12 = V_LSHLREV_B32_e64 16, %11, implicit $exec
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%13 = V_OR_B32_e64 %10, %12, implicit $exec
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FLAT_STORE_DWORD %0, %13, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4)
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$sgpr30_sgpr31 = COPY %2
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S_SETPC_B64_return $sgpr30_sgpr31
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