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llvm / llvm-project / llvm / e3fb82b5cde595e6b6b75323847e4794b8a7449d / . / test / CodeGen / AMDGPU / dpp_combine_gfx11.mir
blob: 91e97a36a597a083caeb5a888ada84ba4c50d12d [file] [log] [blame]
# RUN: llc -march=amdgcn -mcpu=gfx1100 -run-pass=gcn-dpp-combine -verify-machineinstrs -o - %s | FileCheck %s -check-prefix=GCN
---
# GCN-label: name: vop3
# GCN: %6:vgpr_32, %7:sreg_32_xm0_xexec = V_SUBBREV_U32_e64_dpp %3, %0, %1, %5, 1, 1, 15, 15, 1, implicit $exec
# GCN: %8:vgpr_32 = V_CVT_PK_U8_F32_e64_dpp %3, 4, %0, 2, %2, 2, %1, 1, 1, 15, 15, 1, implicit $mode, implicit $exec
# GCN: %10:vgpr_32 = V_MED3_F32_e64 0, %9, 0, %0, 0, 12345678, 0, 0, implicit $mode, implicit $exec
# GCN: %12:vgpr_32 = V_MED3_F32_e64 0, %11, 0, 2, 0, %7, 0, 0, implicit $mode, implicit $exec
name: vop3
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = COPY $vgpr2
%3:vgpr_32 = IMPLICIT_DEF
%4:vgpr_32 = V_MOV_B32_dpp %3, %0, 1, 15, 15, 1, implicit $exec
%5:sreg_32_xm0_xexec = IMPLICIT_DEF
%6:vgpr_32, %7:sreg_32_xm0_xexec = V_SUBBREV_U32_e64 %4, %1, %5, 1, implicit $exec
%8:vgpr_32 = V_CVT_PK_U8_F32_e64 4, %4, 2, %2, 2, %1, 1, implicit $mode, implicit $exec
; should not be combined because src2 literal is illegal
%9:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%10:vgpr_32 = V_MED3_F32_e64 0, %9, 0, %0, 0, 12345678, 0, 0, implicit $mode, implicit $exec
; should not be combined because src1 imm is illegal
%11:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%12:vgpr_32 = V_MED3_F32_e64 0, %11, 0, 2, 0, %7, 0, 0, implicit $mode, implicit $exec
...
# Regression test for src_modifiers on base u16 opcode
# GCN-label: name: vop3_u16
# GCN: %5:vgpr_32 = V_ADD_NC_U16_e64_dpp %3, 0, %1, 0, %3, 0, 0, 1, 15, 15, 1, implicit $exec
# GCN: %7:vgpr_32 = V_ADD_NC_U16_e64_dpp %3, 4, %5, 8, %5, 0, 0, 1, 15, 15, 1, implicit $exec
name: vop3_u16
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = COPY $vgpr2
%3:vgpr_32 = IMPLICIT_DEF
%4:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%5:vgpr_32 = V_ADD_NC_U16_e64 0, %4, 0, %3, 0, 0, implicit $exec
%6:vgpr_32 = V_MOV_B32_dpp %3, %5, 1, 15, 15, 1, implicit $exec
%7:vgpr_32 = V_ADD_NC_U16_e64 4, %6, 8, %5, 0, 0, implicit $exec
...
name: vop3p
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
; GCN-LABEL: name: vop3p
; GCN: liveins: $vgpr0, $vgpr1, $vgpr2
; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
; GCN: [[V_MOV_B32_dpp:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[DEF]], [[COPY1]], 1, 15, 15, 1, implicit $exec
; GCN: [[V_DOT2_F32_F16_:%[0-9]+]]:vgpr_32 = V_DOT2_F32_F16 0, [[V_MOV_B32_dpp]], 0, [[COPY]], 0, [[COPY2]], 0, 5, 0, 0, 0, implicit $mode, implicit $exec
; GCN: [[V_MOV_B32_dpp1:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[DEF]], [[COPY1]], 1, 15, 15, 1, implicit $exec
; GCN: [[V_DOT2_F32_F16_1:%[0-9]+]]:vgpr_32 = V_DOT2_F32_F16 0, [[V_MOV_B32_dpp1]], 0, [[COPY]], 0, [[COPY2]], 0, 0, 4, 0, 0, implicit $mode, implicit $exec
; GCN: [[V_DOT2_F32_F16_dpp:%[0-9]+]]:vgpr_32 = V_DOT2_F32_F16_dpp [[DEF]], 10, [[COPY1]], 8, [[COPY]], 13, [[COPY2]], 1, 0, 7, 4, 5, 1, 15, 15, 1, implicit $mode, implicit $exec
; GCN: [[V_FMA_MIX_F32_dpp:%[0-9]+]]:vgpr_32 = V_FMA_MIX_F32_dpp [[DEF]], 8, [[COPY1]], 8, [[COPY]], 8, [[COPY2]], 1, 0, 7, 1, 15, 15, 1, implicit $mode, implicit $exec
; GCN: [[V_FMA_MIXLO_F16_dpp:%[0-9]+]]:vgpr_32 = V_FMA_MIXLO_F16_dpp [[DEF]], 8, [[COPY1]], 8, [[COPY]], 8, [[COPY2]], 0, [[COPY2]], 0, 7, 1, 15, 15, 1, implicit $mode, implicit $exec
; GCN: [[V_FMA_MIXHI_F16_dpp:%[0-9]+]]:vgpr_32 = V_FMA_MIXHI_F16_dpp [[DEF]], 8, [[COPY1]], 8, [[COPY]], 8, [[COPY2]], 1, [[COPY]], 0, 7, 1, 15, 15, 1, implicit $mode, implicit $exec
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = COPY $vgpr2
%3:vgpr_32 = IMPLICIT_DEF
; this should not be combined because op_sel is not zero
%4:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%5:vgpr_32 = V_DOT2_F32_F16 0, %4, 0, %0, 0, %2, 0, 5, 0, 0, 0, implicit $mode, implicit $exec
; this should not be combined because op_sel_hi is not all set
%6:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%7:vgpr_32 = V_DOT2_F32_F16 0, %6, 0, %0, 0, %2, 0, 0, 4, 0, 0, implicit $mode, implicit $exec
%8:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%9:vgpr_32 = V_DOT2_F32_F16 10, %8, 8, %0, 13, %2, 1, 0, 7, 4, 5, implicit $mode, implicit $exec
%10:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%11:vgpr_32 = V_FMA_MIX_F32 8, %10, 8, %0, 8, %2, 1, 0, 7, implicit $mode, implicit $exec
%12:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%13:vgpr_32 = V_FMA_MIXLO_F16 8, %12, 8, %0, 8, %2, 0, %2, 0, 7, implicit $mode, implicit $exec
%14:vgpr_32 = V_MOV_B32_dpp %3, %1, 1, 15, 15, 1, implicit $exec
%15:vgpr_32 = V_FMA_MIXHI_F16 8, %14, 8, %0, 8, %2, 1, %0, 0, 7, implicit $mode, implicit $exec
...
# GCN-LABEL: name: fmac_e64
# GCN: %5:vgpr_32 = V_FMAC_F32_e64_dpp %3, 2, %0, 2, %1, 2, %2, 1, 2, 1, 15, 15, 1, implicit $mode, implicit $exec
name: fmac_e64
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = COPY $vgpr2
%3:vgpr_32 = IMPLICIT_DEF
%4:vgpr_32 = V_MOV_B32_dpp %3, %0, 1, 15, 15, 1, implicit $exec
%6:vgpr_32 = V_FMAC_F32_e64 2, %4, 2, %1, 2, %2, 1, 2, implicit $mode, implicit $exec
...
# when the DPP source isn't a src0 operand the operation should be commuted if possible
# GCN-LABEL: name: dpp_commute_shrink
# GCN: %4:vgpr_32 = V_MUL_U32_U24_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %7:vgpr_32 = V_AND_B32_dpp %1, %0, %1, 1, 15, 14, 0, implicit $exec
# GCN: %10:vgpr_32 = V_MAX_I32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %13:vgpr_32 = V_MIN_I32_dpp %1, %0, %1, 1, 15, 14, 0, implicit $exec
# GCN: %16:vgpr_32 = V_SUBREV_U32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
name: dpp_commute_shrink
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
%4:vgpr_32 = V_MUL_U32_U24_e64 %1, %3, 0, implicit $exec
%5:vgpr_32 = V_MOV_B32_e32 4294967295, implicit $exec
%6:vgpr_32 = V_MOV_B32_dpp %5, %0, 1, 15, 14, 0, implicit $exec
%7:vgpr_32 = V_AND_B32_e64 %1, %6, implicit $exec
%8:vgpr_32 = V_MOV_B32_e32 -2147483648, implicit $exec
%9:vgpr_32 = V_MOV_B32_dpp %8, %0, 1, 14, 15, 0, implicit $exec
%10:vgpr_32 = V_MAX_I32_e64 %1, %9, implicit $exec
%11:vgpr_32 = V_MOV_B32_e32 2147483647, implicit $exec
%12:vgpr_32 = V_MOV_B32_dpp %11, %0, 1, 15, 14, 0, implicit $exec
%13:vgpr_32 = V_MIN_I32_e64 %1, %12, implicit $exec
%14:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%15:vgpr_32 = V_MOV_B32_dpp %14, %0, 1, 14, 15, 0, implicit $exec
%16:vgpr_32 = V_SUB_U32_e64 %1, %15, 0, implicit $exec
...
# do not combine, dpp arg used twice
# GCN-label: name: dpp_arg_twice
# GCN: %4:vgpr_32 = V_FMA_F32_e64 1, %1, 2, %3, 2, %3, 1, 2, implicit $mode, implicit $exec
# GCN: %6:vgpr_32 = V_FMA_F32_e64 2, %5, 2, %1, 2, %5, 1, 2, implicit $mode, implicit $exec
# GCN: %8:vgpr_32 = V_FMA_F32_e64 2, %7, 2, %7, 2, %1, 1, 2, implicit $mode, implicit $exec
name: dpp_arg_twice
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = IMPLICIT_DEF
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_FMA_F32_e64 1, %1, 2, %3, 2, %3, 1, 2, implicit $mode, implicit $exec
%5:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%6:vgpr_32 = V_FMA_F32_e64 2, %5, 2, %1, 2, %5, 1, 2, implicit $mode, implicit $exec
%7:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%8:vgpr_32 = V_FMA_F32_e64 2, %7, 2, %7, 2, %1, 1, 2, implicit $mode, implicit $exec
...
# when the dpp source isn't a src0 operand the operation should be commuted if possible
# GCN-label: name: dpp_commute_e64
# GCN: %4:vgpr_32 = V_MUL_U32_U24_e64_dpp %1, %0, %1, 1, 1, 14, 15, 0, implicit $exec
# GCN: %7:vgpr_32 = V_FMA_F32_e64_dpp %5, 2, %0, 1, %1, 2, %1, 1, 2, 1, 15, 15, 1, implicit $mode, implicit $exec
# GCN: %10:vgpr_32 = V_SUBREV_U32_e64_dpp %1, %0, %1, 1, 1, 14, 15, 0, implicit $exec
# GCN: %13:vgpr_32, %14:sreg_32_xm0_xexec = V_ADD_CO_U32_e64_dpp %1, %0, %1, 0, 1, 14, 15, 0, implicit $exec
# GCN: %17:vgpr_32, %18:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 5, %16, 0, implicit $exec
name: dpp_commute_e64
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
%4:vgpr_32 = V_MUL_U32_U24_e64 %1, %3, 1, implicit $exec
%5:vgpr_32 = IMPLICIT_DEF
%6:vgpr_32 = V_MOV_B32_dpp %5, %0, 1, 15, 15, 1, implicit $exec
%7:vgpr_32 = V_FMA_F32_e64 1, %1, 2, %6, 2, %1, 1, 2, implicit $mode, implicit $exec
%8:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%9:vgpr_32 = V_MOV_B32_dpp %8, %0, 1, 14, 15, 0, implicit $exec
%10:vgpr_32 = V_SUB_U32_e64 %1, %9, 1, implicit $exec
%11:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%12:vgpr_32 = V_MOV_B32_dpp %11, %0, 1, 14, 15, 0, implicit $exec
%13:vgpr_32, %14:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 %1, %12, 0, implicit $exec
; this cannot be combined because immediate as src0 isn't commutable
%15:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%16:vgpr_32 = V_MOV_B32_dpp %15, %0, 1, 14, 15, 0, implicit $exec
%17:vgpr_32, %18:sreg_32_xm0_xexec = V_ADD_CO_U32_e64 5, %16, 0, implicit $exec
...
---
# check for floating point modifiers
# GCN-LABEL: name: add_f32_e64
# GCN: %4:vgpr_32 = V_ADD_F32_e64_dpp %2, 0, %1, 0, %0, 0, 1, 1, 15, 15, 1, implicit $mode, implicit $exec
# GCN: %6:vgpr_32 = V_ADD_F32_dpp %2, 0, %1, 0, %0, 1, 15, 15, 1, implicit $mode, implicit $exec
# GCN: %8:vgpr_32 = V_ADD_F32_dpp %2, 1, %1, 2, %0, 1, 15, 15, 1, implicit $mode, implicit $exec
# GCN: %10:vgpr_32 = V_ADD_F32_e64_dpp %2, 4, %1, 8, %0, 0, 0, 1, 15, 15, 1, implicit $mode, implicit $exec
name: add_f32_e64
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = IMPLICIT_DEF
; this should be combined as e64
%3:vgpr_32 = V_MOV_B32_dpp undef %2, %1, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_ADD_F32_e64 0, %3, 0, %0, 0, 1, implicit $mode, implicit $exec
; this should be combined and shrunk as all modifiers are default
%5:vgpr_32 = V_MOV_B32_dpp undef %2, %1, 1, 15, 15, 1, implicit $exec
%6:vgpr_32 = V_ADD_F32_e64 0, %5, 0, %0, 0, 0, implicit $mode, implicit $exec
; this should be combined and shrunk as modifiers other than abs|neg are default
%7:vgpr_32 = V_MOV_B32_dpp undef %2, %1, 1, 15, 15, 1, implicit $exec
%8:vgpr_32 = V_ADD_F32_e64 1, %7, 2, %0, 0, 0, implicit $mode, implicit $exec
; this should be combined as e64
%9:vgpr_32 = V_MOV_B32_dpp undef %2, %1, 1, 15, 15, 1, implicit $exec
%10:vgpr_32 = V_ADD_F32_e64 4, %9, 8, %0, 0, 0, implicit $mode, implicit $exec
...
# check for e64 modifiers
# GCN-LABEL: name: add_u32_e64
# GCN: %4:vgpr_32 = V_ADD_U32_dpp %2, %0, %1, 1, 15, 15, 1, implicit $exec
# GCN: %6:vgpr_32 = V_ADD_U32_e64_dpp %2, %0, %1, 1, 1, 15, 15, 1, implicit $exec
name: add_u32_e64
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = IMPLICIT_DEF
; this should be combined and shrunk as all modifiers are default
%3:vgpr_32 = V_MOV_B32_dpp undef %2, %0, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_ADD_U32_e64 %3, %1, 0, implicit $exec
; this should be combined as _e64
%5:vgpr_32 = V_MOV_B32_dpp undef %2, %0, 1, 15, 15, 1, implicit $exec
%6:vgpr_32 = V_ADD_U32_e64 %5, %1, 1, implicit $exec
...
# tests on sequences of dpp consumers
# GCN-LABEL: name: dpp_seq
# GCN: %4:vgpr_32 = V_ADD_U32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %5:vgpr_32 = V_SUBREV_U32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %6:vgpr_32 = V_OR_B32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# broken sequence:
# GCN: %7:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
name: dpp_seq
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
%4:vgpr_32 = V_ADD_U32_e32 %3, %1, implicit $exec
%5:vgpr_32 = V_SUB_U32_e32 %1, %3, implicit $exec
%6:vgpr_32 = V_OR_B32_e32 %3, %1, implicit $exec
%7:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
%8:vgpr_32 = V_ADD_U32_e32 %7, %1, implicit $exec
; this breaks the sequence
%9:vgpr_32 = V_SUB_U32_e32 5, %7, implicit $exec
...
# tests on sequences of dpp consumers followed by control flow
# GCN-LABEL: name: dpp_seq_cf
# GCN: %4:vgpr_32 = V_ADD_U32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %5:vgpr_32 = V_SUBREV_U32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
# GCN: %6:vgpr_32 = V_OR_B32_dpp %1, %0, %1, 1, 14, 15, 0, implicit $exec
name: dpp_seq_cf
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.1, %bb.2
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 14, 15, 0, implicit $exec
%4:vgpr_32 = V_ADD_U32_e32 %3, %1, implicit $exec
%5:vgpr_32 = V_SUB_U32_e32 %1, %3, implicit $exec
%6:vgpr_32 = V_OR_B32_e32 %3, %1, implicit $exec
%7:sreg_32 = V_CMP_EQ_U32_e64 %5, %6, implicit $exec
%8:sreg_32 = SI_IF %7, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
S_BRANCH %bb.1
bb.1:
successors: %bb.2
bb.2:
SI_END_CF %8, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
...
# GCN-LABEL: name: old_in_diff_bb
# GCN: %4:vgpr_32 = V_ADD_U32_dpp %0, %1, %0, 1, 1, 1, 0, implicit $exec
name: old_in_diff_bb
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.1
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
S_BRANCH %bb.1
bb.1:
%3:vgpr_32 = V_MOV_B32_dpp %2, %1, 1, 1, 1, 0, implicit $exec
%4:vgpr_32 = V_ADD_U32_e32 %3, %0, implicit $exec
...
# old reg def is in diff BB but bound_ctrl:1 - can combine
# GCN-LABEL: name: old_in_diff_bb_bctrl_zero
# GCN: %4:vgpr_32 = V_ADD_U32_dpp {{%[0-9]}}, %0, %1, 1, 15, 15, 1, implicit $exec
name: old_in_diff_bb_bctrl_zero
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.1
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
S_BRANCH %bb.1
bb.1:
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_ADD_U32_e32 %3, %1, implicit $exec
...
# EXEC mask changed between def and use - cannot combine
# GCN-LABEL: name: exec_changed
# GCN: %3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
name: exec_changed
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_ADD_U32_e32 %3, %1, implicit $exec
%5:sreg_64 = COPY $exec, implicit-def $exec
%6:vgpr_32 = V_ADD_U32_e32 %3, %1, implicit $exec
...
# test if $old definition is correctly tracked through subreg manipulation pseudos
# GCN-LABEL: name: mul_old_subreg
# GCN: %7:vgpr_32 = V_MUL_I32_I24_dpp %0.sub1, %1, %0.sub1, 1, 1, 1, 0, implicit $exec
name: mul_old_subreg
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vreg_64 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_e32 42, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%5:vreg_64 = INSERT_SUBREG %4, %1, %subreg.sub1 ; %5.sub0 is taken from %4
%6:vgpr_32 = V_MOV_B32_dpp %5.sub0, %1, 1, 1, 1, 0, implicit $exec
%7:vgpr_32 = V_MUL_I32_I24_e32 %6, %0.sub1, implicit $exec
...
# GCN-LABEL: name: add_old_subreg
# GCN: %5:vgpr_32 = V_ADD_U32_dpp %0.sub1, %1, %0.sub1, 1, 1, 1, 0, implicit $exec
name: add_old_subreg
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vreg_64 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%3:vreg_64 = INSERT_SUBREG %0, %2, %subreg.sub1 ; %3.sub1 is inserted
%4:vgpr_32 = V_MOV_B32_dpp %3.sub1, %1, 1, 1, 1, 0, implicit $exec
%5:vgpr_32 = V_ADD_U32_e32 %4, %0.sub1, implicit $exec
...
# GCN-LABEL: name: add_old_subreg_undef
# GCN: %5:vgpr_32 = V_ADD_U32_dpp undef %3.sub1, %1, %0.sub1, 1, 15, 15, 1, implicit $exec
name: add_old_subreg_undef
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vreg_64 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%3:vreg_64 = REG_SEQUENCE %2, %subreg.sub0 ; %3.sub1 is undef
%4:vgpr_32 = V_MOV_B32_dpp %3.sub1, %1, 1, 15, 15, 1, implicit $exec
%5:vgpr_32 = V_ADD_U32_e32 %4, %0.sub1, implicit $exec
...
# Test instruction which does not have modifiers in VOP1 form but does in DPP form.
# GCN-LABEL: name: dpp_vop1
# GCN: %3:vgpr_32 = V_CEIL_F32_dpp %0, 0, undef %2:vgpr_32, 1, 15, 15, 1, implicit $mode, implicit $exec
name: dpp_vop1
tracksRegLiveness: true
body: |
bb.0:
%1:vgpr_32 = IMPLICIT_DEF
%2:vgpr_32 = V_MOV_B32_dpp %1:vgpr_32, undef %0:vgpr_32, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_CEIL_F32_e32 %2, implicit $mode, implicit $exec
...
# Test instruction which does not have modifiers in VOP2 form but does in DPP form.
# GCN-LABEL: name: dpp_min
# GCN: %3:vgpr_32 = V_MIN_F32_dpp %0, 0, undef %2:vgpr_32, 0, undef %4:vgpr_32, 1, 15, 15, 1, implicit $mode, implicit $exec
name: dpp_min
tracksRegLiveness: true
body: |
bb.0:
%1:vgpr_32 = IMPLICIT_DEF
%2:vgpr_32 = V_MOV_B32_dpp %1:vgpr_32, undef %0:vgpr_32, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = V_MIN_F32_e32 %2, undef %3:vgpr_32, implicit $mode, implicit $exec
...
# Test an undef old operand
# GCN-LABEL: name: dpp_undef_old
# GCN: %3:vgpr_32 = V_CEIL_F32_dpp undef %1:vgpr_32, 0, undef %2:vgpr_32, 1, 15, 15, 1, implicit $mode, implicit $exec
name: dpp_undef_old
tracksRegLiveness: true
body: |
bb.0:
%2:vgpr_32 = V_MOV_B32_dpp undef %1:vgpr_32, undef %0:vgpr_32, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_CEIL_F32_e32 %2, implicit $mode, implicit $exec
...
# Do not combine a dpp mov which writes a physreg.
# GCN-LABEL: name: phys_dpp_mov_dst
# GCN: $vgpr0 = V_MOV_B32_dpp undef %0:vgpr_32, undef %1:vgpr_32, 1, 15, 15, 1, implicit $exec
# GCN: %2:vgpr_32 = V_CEIL_F32_e32 $vgpr0, implicit $mode, implicit $exec
name: phys_dpp_mov_dst
tracksRegLiveness: true
body: |
bb.0:
$vgpr0 = V_MOV_B32_dpp undef %1:vgpr_32, undef %0:vgpr_32, 1, 15, 15, 1, implicit $exec
%2:vgpr_32 = V_CEIL_F32_e32 $vgpr0, implicit $mode, implicit $exec
...
# Do not combine a dpp mov which reads a physreg.
# GCN-LABEL: name: phys_dpp_mov_old_src
# GCN: %0:vgpr_32 = V_MOV_B32_dpp undef $vgpr0, undef %1:vgpr_32, 1, 15, 15, 1, implicit $exec
# GCN: %2:vgpr_32 = V_CEIL_F32_e32 %0, implicit $mode, implicit $exec
name: phys_dpp_mov_old_src
tracksRegLiveness: true
body: |
bb.0:
%1:vgpr_32 = V_MOV_B32_dpp undef $vgpr0, undef %0:vgpr_32, 1, 15, 15, 1, implicit $exec
%2:vgpr_32 = V_CEIL_F32_e32 %1, implicit $mode, implicit $exec
...
# Do not combine a dpp mov which reads a physreg.
# GCN-LABEL: name: phys_dpp_mov_src
# GCN: %0:vgpr_32 = V_MOV_B32_dpp undef %1:vgpr_32, undef $vgpr0, 1, 15, 15, 1, implicit $exec
# GCN: %2:vgpr_32 = V_CEIL_F32_e32 %0, implicit $mode, implicit $exec
name: phys_dpp_mov_src
tracksRegLiveness: true
body: |
bb.0:
%1:vgpr_32 = V_MOV_B32_dpp undef %0:vgpr_32, undef $vgpr0, 1, 15, 15, 1, implicit $exec
%2:vgpr_32 = V_CEIL_F32_e32 %1, implicit $mode, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_both_combined
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %9:vgpr_32 = IMPLICIT_DEF
# GCN: %8:vgpr_32 = IMPLICIT_DEF
# GCN: %6:vgpr_32 = V_ADD_U32_dpp %9, %1.sub0, %2, 1, 15, 15, 1, implicit $exec
# GCN: %7:vgpr_32 = V_ADDC_U32_dpp %8, %1.sub1, %2, 1, 15, 15, 1, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_both_combined
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%6:vgpr_32 = V_ADD_U32_e32 %4.sub0, %5, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %5, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_first_combined
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %8:vgpr_32 = IMPLICIT_DEF
# GCN: %4:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 1, 1, 1, implicit $exec
# GCN: %5:vreg_64 = REG_SEQUENCE undef %3:vgpr_32, %subreg.sub0, %4, %subreg.sub1
# GCN: %6:vgpr_32 = V_ADD_U32_dpp %8, %1.sub0, %2, 1, 15, 15, 1, implicit $exec
# GCN: %7:vgpr_32 = V_ADDC_U32_e32 %5.sub1, %2, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_first_combined
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 1, 1, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%6:vgpr_32 = V_ADD_U32_e32 %4.sub0, %5, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %5, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_second_combined
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 1, 1, 1, implicit $exec
# GCN: %8:vgpr_32 = IMPLICIT_DEF
# GCN: %5:vreg_64 = REG_SEQUENCE %3, %subreg.sub0, undef %4:vgpr_32, %subreg.sub1
# GCN: %6:vgpr_32 = V_ADD_U32_e32 %5.sub0, %2, implicit $exec
# GCN: %7:vgpr_32 = V_ADDC_U32_dpp %8, %1.sub1, %2, 1, 15, 15, 1, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_second_combined
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 1, 1, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%6:vgpr_32 = V_ADD_U32_e32 %4.sub0, %5, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %5, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_none_combined
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 1, 1, 1, implicit $exec
# GCN: %4:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 1, 1, 1, implicit $exec
# GCN: %5:vreg_64 = REG_SEQUENCE %3, %subreg.sub0, %4, %subreg.sub1
# GCN: %6:vgpr_32 = V_ADD_U32_e32 %5.sub0, %2, implicit $exec
# GCN: %7:vgpr_32 = V_ADDC_U32_e32 %5.sub1, %2, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_none_combined
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 1, 1, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 1, 1, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%6:vgpr_32 = V_ADD_U32_e32 %4.sub0, %5, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %5, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_exec_changed
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
# GCN: %4:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
# GCN: %5:vreg_64 = REG_SEQUENCE %3, %subreg.sub0, %4, %subreg.sub1
# GCN: S_BRANCH %bb.1
# GCN: bb.1:
# GCN: %6:vgpr_32 = V_ADD_U32_e32 %5.sub0, %2, implicit $exec
# GCN: %7:vgpr_32 = V_ADDC_U32_e32 %5.sub1, %2, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_exec_changed
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
S_BRANCH %bb.1
bb.1:
%6:vgpr_32 = V_ADD_U32_e32 %4.sub0, %5, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %5, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_subreg
# GCN: %0:vreg_64 = COPY $vgpr0_vgpr1
# GCN: %1:vreg_64 = COPY $vgpr2_vgpr3
# GCN: %2:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
# GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
# GCN: %4:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
# GCN: %5:vreg_64 = REG_SEQUENCE %3, %subreg.sub0, %4, %subreg.sub1
# GCN: %6:vreg_64 = REG_SEQUENCE %5.sub0, %subreg.sub0, %5.sub1, %subreg.sub1
# GCN: %7:vgpr_32 = V_ADD_U32_e32 %6.sub0, %2, implicit $exec
# GCN: %8:vgpr_32 = V_ADDC_U32_e32 %6.sub1, %2, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp_reg_sequence_subreg
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%8:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%5:vreg_64 = REG_SEQUENCE %4.sub0, %subreg.sub0, %4.sub1, %subreg.sub1
%6:vgpr_32 = V_ADD_U32_e32 %5.sub0, %8, implicit $exec
%7:vgpr_32 = V_ADDC_U32_e32 %5.sub1, %8, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_src2_reject
#GCN: %2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
#GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
#GCN: %4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
#GCN: %5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
#GCN: %6:vgpr_32 = V_FMA_F32_e64 2, %4.sub0, 2, %5, 2, %4.sub0, 1, 2, implicit $mode, implicit $exec
#GCN: %7:vgpr_32 = V_FMA_F32_e64 2, %4.sub0, 2, %5, 2, %4.sub1, 1, 2, implicit $mode, implicit $exec
name: dpp_reg_sequence_src2_reject
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
; use of dpp arg as src2, reject
%6:vgpr_32 = V_FMA_F32_e64 2, %4.sub0, 2, %5, 2, %4.sub0, 1, 2, implicit $mode, implicit $exec
; cannot commute src0 and src2, and %4.sub0 already rejected, reject
%7:vgpr_32 = V_FMA_F32_e64 2, %4.sub0, 2, %5, 2, %4.sub1, 1, 2, implicit $mode, implicit $exec
...
# GCN-LABEL: name: dpp_reg_sequence_src2
#GCN: %3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
#GCN: %4:vreg_64 = REG_SEQUENCE undef %2:vgpr_32, %subreg.sub0, %3, %subreg.sub1
#GCN: %5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
#GCN: %6:vgpr_32 = V_FMA_F32_e64_dpp %8, 2, %1.sub0, 2, %5, 2, %4.sub1, 1, 2, 1, 15, 15, 1, implicit $mode, implicit $exec
name: dpp_reg_sequence_src2
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%5:vgpr_32 = V_MOV_B32_e32 5, implicit $exec
%6:vgpr_32 = V_FMA_F32_e64 2, %4.sub0, 2, %5, 2, %4.sub1, 1, 2, implicit $mode, implicit $exec
...
# GCN-LABEL: name: dpp64_add64_impdef
# GCN: %3:vgpr_32 = V_ADD_U32_dpp %1.sub0, %0.sub0, undef %4:vgpr_32, 1, 15, 15, 1, implicit $exec
# GCN: %5:vgpr_32 = V_ADDC_U32_dpp %1.sub1, %0.sub1, undef %4:vgpr_32, 1, 15, 15, 1, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp64_add64_impdef
tracksRegLiveness: true
body: |
bb.0:
%0:vreg_64 = IMPLICIT_DEF
%1:vreg_64 = IMPLICIT_DEF
%2:vreg_64 = V_MOV_B64_DPP_PSEUDO %1:vreg_64, %0:vreg_64, 1, 15, 15, 1, implicit $exec
%5:vgpr_32 = V_ADD_U32_e32 %2.sub0, undef %4:vgpr_32, implicit $exec
%6:vgpr_32 = V_ADDC_U32_e32 %2.sub1, undef %4, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: dpp64_add64_undef
# GCN: %3:vgpr_32 = V_ADD_U32_dpp undef %1.sub0:vreg_64, undef %2.sub0:vreg_64, undef %4:vgpr_32, 1, 15, 15, 1, implicit $exec
# GCN: %5:vgpr_32 = V_ADDC_U32_dpp undef %1.sub1:vreg_64, undef %2.sub1:vreg_64, undef %4:vgpr_32, 1, 15, 15, 1, implicit-def $vcc, implicit $vcc, implicit $exec
name: dpp64_add64_undef
tracksRegLiveness: true
body: |
bb.0:
%2:vreg_64 = V_MOV_B64_DPP_PSEUDO undef %1:vreg_64, undef %0:vreg_64, 1, 15, 15, 1, implicit $exec
%5:vgpr_32 = V_ADD_U32_e32 %2.sub0, undef %4:vgpr_32, implicit $exec
%6:vgpr_32 = V_ADDC_U32_e32 %2.sub1, undef %4, implicit-def $vcc, implicit $vcc, implicit $exec
...
# GCN-LABEL: name: cndmask_with_src2
# GCN: %5:vgpr_32 = V_CNDMASK_B32_e64 0, %3, 0, %1, %4, implicit $exec
# GCN: %8:vgpr_32 = V_CNDMASK_B32_e64_dpp %2, 4, %1, 0, %1, %7, 1, 15, 15, 1, implicit $exec
name: cndmask_with_src2
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = IMPLICIT_DEF
%3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec
%4:sreg_32_xm0_xexec = IMPLICIT_DEF
%5:vgpr_32 = V_CNDMASK_B32_e64 0, %3, 0, %1, %4, implicit $exec
; src2 is legal for _e64
%6:vgpr_32 = V_MOV_B32_dpp %2, %1, 1, 15, 15, 1, implicit $exec
%7:sreg_32_xm0_xexec = IMPLICIT_DEF
%8:vgpr_32 = V_CNDMASK_B32_e64 4, %6, 0, %1, %7, implicit $exec
...
---
# Make sure flags aren't dropped
# GCN-LABEL: name: flags_add_f32_e64
# GCN: %4:vgpr_32 = nnan nofpexcept V_ADD_F32_dpp %2, 0, %1, 0, %0, 1, 15, 15, 1, implicit $mode, implicit $exec
name: flags_add_f32_e64
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = IMPLICIT_DEF
%3:vgpr_32 = V_MOV_B32_dpp undef %2, %1, 1, 15, 15, 1, implicit $exec
%4:vgpr_32 = nofpexcept nnan V_ADD_F32_e64 0, %3, 0, %0, 0, 0, implicit $mode, implicit $exec
S_ENDPGM 0, implicit %4
...
# GCN-LABEL: name: dont_combine_more_than_one_operand
# GCN: %3:vgpr_32 = V_MAX_F32_e64 0, %2, 0, %2, 0, 0, implicit $mode, implicit $exec
name: dont_combine_more_than_one_operand
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
%0:vgpr_32 = COPY $vgpr0
%1:vgpr_32 = COPY $vgpr1
%2:vgpr_32 = V_MOV_B32_dpp %0, %1, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MAX_F32_e64 0, %2, 0, %2, 0, 0, implicit $mode, implicit $exec
...
# GCN-LABEL: name: dont_combine_more_than_one_operand_dpp_reg_sequence
# GCN: %5:vgpr_32 = V_ADD_U32_e32 %4.sub0, %4.sub0, implicit $exec
# GCN: %6:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %4.sub1, implicit-def $vcc, implicit $vcc, implicit $exec
name: dont_combine_more_than_one_operand_dpp_reg_sequence
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
%0:vreg_64 = COPY $vgpr0_vgpr1
%1:vreg_64 = COPY $vgpr2_vgpr3
%2:vgpr_32 = V_MOV_B32_dpp %0.sub0, %1.sub0, 1, 15, 15, 1, implicit $exec
%3:vgpr_32 = V_MOV_B32_dpp %0.sub1, %1.sub1, 1, 15, 15, 1, implicit $exec
%4:vreg_64 = REG_SEQUENCE %2, %subreg.sub0, %3, %subreg.sub1
%5:vgpr_32 = V_ADD_U32_e32 %4.sub0, %4.sub0, implicit $exec
%6:vgpr_32 = V_ADDC_U32_e32 %4.sub1, %4.sub1, implicit-def $vcc, implicit $vcc, implicit $exec
...