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 3 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 6# eliminate the pair. 7--- 8name: revisit_concat_vectors_unmerge_user 9tracksRegLiveness: true 10body: | 11 bb.0: 12 liveins: $vgpr0_vgpr1 13 14 ; GFX9-LABEL: name: revisit_concat_vectors_unmerge_user 15 ; GFX9: liveins: $vgpr0_vgpr1 16 ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0 17 ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8 18 ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32) 19 ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16 20 ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C1]](s32) 21 ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24 22 ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C2]](s32) 23 ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32) 24 ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32) 25 ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32) 26 ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32) 27 ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32) 28 ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32) 29 ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 30 ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[C3]](s32) 31 ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C3]](s32) 32 ; GFX9: [[BUILD_VECTOR_TRUNC2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY5]](s32), [[COPY6]](s32) 33 ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[C3]](s32) 34 ; GFX9: [[BUILD_VECTOR_TRUNC3:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY7]](s32), [[C3]](s32) 35 ; GFX9: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR_TRUNC]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>) 36 ; GFX9: [[SHL1:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR_TRUNC1]], [[BUILD_VECTOR_TRUNC3]](<2 x s16>) 37 ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[SHL]](<2 x s16>), [[SHL1]](<2 x s16>) 38 ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>) 39 %0:_(s32) = COPY $vgpr0 40 %1:_(<4 x s8>) = G_BITCAST %0 41 %2:_(s16) = G_CONSTANT i16 2 42 %3:_(<4 x s16>) = G_BUILD_VECTOR %2, %2, %2, %2 43 %4:_(<4 x s16>) = G_ANYEXT %1 44 %5:_(<4 x s16>) = G_SHL %4, %3 45 $vgpr0_vgpr1 = COPY %5 46... 47