1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -run-pass=legalizer %s -o - | FileCheck -check-prefix=GFX9 %s
4 # The G_SHL will be split into <2 x s16>, introducing a
5 # G_UNMERGE_VALUES of G_CONCAT_VECTORS. The artifact combiner should
8 name: revisit_concat_vectors_unmerge_user
9 tracksRegLiveness: true
14 ; GFX9-LABEL: name: revisit_concat_vectors_unmerge_user
15 ; GFX9: liveins: $vgpr0_vgpr1
17 ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
18 ; GFX9-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
19 ; GFX9-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
20 ; GFX9-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
21 ; GFX9-NEXT: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C1]](s32)
22 ; GFX9-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
23 ; GFX9-NEXT: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C2]](s32)
24 ; GFX9-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
25 ; GFX9-NEXT: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
26 ; GFX9-NEXT: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
27 ; GFX9-NEXT: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR2]](s32)
28 ; GFX9-NEXT: [[C3:%[0-9]+]]:_(s16) = G_CONSTANT i16 2
29 ; GFX9-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C3]](s16), [[C3]](s16)
30 ; GFX9-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[C3]](s16), [[C3]](s16)
31 ; GFX9-NEXT: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[TRUNC]](s16), [[TRUNC1]](s16)
32 ; GFX9-NEXT: [[BUILD_VECTOR3:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[TRUNC2]](s16), [[TRUNC3]](s16)
33 ; GFX9-NEXT: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR2]], [[BUILD_VECTOR]](<2 x s16>)
34 ; GFX9-NEXT: [[SHL1:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR3]], [[BUILD_VECTOR1]](<2 x s16>)
35 ; GFX9-NEXT: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[SHL]](<2 x s16>), [[SHL1]](<2 x s16>)
36 ; GFX9-NEXT: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
37 %0:_(s32) = COPY $vgpr0
38 %1:_(<4 x s8>) = G_BITCAST %0
39 %2:_(s16) = G_CONSTANT i16 2
40 %3:_(<4 x s16>) = G_BUILD_VECTOR %2, %2, %2, %2
41 %4:_(<4 x s16>) = G_ANYEXT %1
42 %5:_(<4 x s16>) = G_SHL %4, %3
43 $vgpr0_vgpr1 = COPY %5