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1# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s2# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s3 4# GCN-LABEL: name: fold_vgpr_to_vgpr_copy5# GCN: %0:vreg_64 = IMPLICIT_DEF6# GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF7# GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF8# GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %1, killed %2, 0, 1, 0, implicit $exec9 10---11name: fold_vgpr_to_vgpr_copy12body: |13 bb.0:14 15 %0:vreg_64 = IMPLICIT_DEF16 %4:vgpr_32 = IMPLICIT_DEF17 %3:vgpr_32 = IMPLICIT_DEF18 %1:vgpr_32 = COPY %0.sub019 %2:vgpr_32 = COPY %120 DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec21...22 23# GCN-LABEL: name: fold_sgpr_to_vgpr_copy24# GCN: %0:sreg_64 = IMPLICIT_DEF25# GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF26# GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF27# GCN-NEXT: %4:vgpr_32 = COPY %0.sub028# GCN-NEXT: DS_WRITE2_B32_gfx9 %4, killed %1, killed %2, 0, 1, 0, implicit $exec29name: fold_sgpr_to_vgpr_copy30body: |31 bb.0:32 33 %0:sreg_64 = IMPLICIT_DEF34 %4:vgpr_32 = IMPLICIT_DEF35 %3:vgpr_32 = IMPLICIT_DEF36 %1:sgpr_32 = COPY %0.sub037 %2:vgpr_32 = COPY %138 DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec39...40 41# GCN-LABEL: name: fma_sgpr_use42# GCN: %0:sreg_64_xexec = IMPLICIT_DEF43# GCN-NEXT: %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMA_F32_e64 2, %0.sub0, 0, 1073741824, 0, %0.sub1, 0, 0, implicit $mode, implicit $exec44---45name: fma_sgpr_use46body: |47 bb.0:48 %0:sreg_64_xexec = IMPLICIT_DEF49 %1:sgpr_32 = COPY %0.sub050 %2:sgpr_32 = COPY %0.sub151 %3:vgpr_32 = COPY %252 %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMAC_F32_e64 2, %1, 0, 1073741824, 0, %3, 0, 0, implicit $mode, implicit $exec53 DS_WRITE2_B32_gfx9 undef %5:vgpr_32, killed %4, undef %6:vgpr_32, 0, 1, 0, implicit $exec54...55 56# GCN-LABEL: name: fma_sgpr_sgpr_use57# GCN: %0:sgpr_32 = IMPLICIT_DEF58# GCN: %3:vgpr_32 = V_FMA_F32_e64 0, %0, 0, 1234567, 0, 1234567, 0, 0, implicit $mode, implicit $exec59---60name: fma_sgpr_sgpr_use61body: |62 bb.0:63 %0:sgpr_32 = IMPLICIT_DEF64 %1:sgpr_32 = S_MOV_B32 123456765 %2:vgpr_32 = COPY %166 %3:vgpr_32 = V_FMAC_F32_e64 0, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec67 S_ENDPGM 0, implicit %368...69