1 # RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
3 # GCN-LABEL: name: fold_vgpr_to_vgpr_copy
4 # GCN: %0:vreg_64 = IMPLICIT_DEF
5 # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF
6 # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF
7 # GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %1, killed %2, 0, 1, 0, implicit $exec
10 name: fold_vgpr_to_vgpr_copy
14 %0:vreg_64 = IMPLICIT_DEF
15 %4:vgpr_32 = IMPLICIT_DEF
16 %3:vgpr_32 = IMPLICIT_DEF
17 %1:vgpr_32 = COPY %0.sub0
19 DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec
22 # GCN-LABEL: name: fold_sgpr_to_vgpr_copy
23 # GCN: %0:sreg_64 = IMPLICIT_DEF
24 # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF
25 # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF
26 # GCN-NEXT: %4:vgpr_32 = COPY %0.sub0
27 # GCN-NEXT: DS_WRITE2_B32_gfx9 %4, killed %1, killed %2, 0, 1, 0, implicit $exec
28 name: fold_sgpr_to_vgpr_copy
32 %0:sreg_64 = IMPLICIT_DEF
33 %4:vgpr_32 = IMPLICIT_DEF
34 %3:vgpr_32 = IMPLICIT_DEF
35 %1:sgpr_32 = COPY %0.sub0
37 DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec
40 # GCN-LABEL: name: fma_sgpr_use
41 # GCN: %0:sreg_64_xexec = IMPLICIT_DEF
42 # 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 $exec
47 %0:sreg_64_xexec = IMPLICIT_DEF
48 %1:sgpr_32 = COPY %0.sub0
49 %2:sgpr_32 = COPY %0.sub1
51 %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 $exec
52 DS_WRITE2_B32_gfx9 undef %5:vgpr_32, killed %4, undef %6:vgpr_32, 0, 1, 0, implicit $exec