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1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2; RUN: llc -global-isel -mtriple aarch64-apple-ios -stop-after=instruction-select %s -o - | FileCheck %s3 4; Check that packing incoming arguments into a big vector type5; and unpacking them in registers for the call to @bar gets selected as just6; simple copies. I.e., we don't artificial try to keep the big7; vector (%vec) alive.8define void @shuffle_to_concat_vector(<2 x i64> %a, <2 x i64> %b) {9 ; CHECK-LABEL: name: shuffle_to_concat_vector10 ; CHECK: bb.1 (%ir-block.0):11 ; CHECK: liveins: $q0, $q112 ; CHECK: [[COPY:%[0-9]+]]:fpr128 = COPY $q013 ; CHECK: [[COPY1:%[0-9]+]]:fpr128 = COPY $q114 ; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp15 ; CHECK: $q0 = COPY [[COPY]]16 ; CHECK: $q1 = COPY [[COPY1]]17 ; CHECK: BL @bar, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $q0, implicit $q118 ; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp19 ; CHECK: RET_ReallyLR20 %vec = shufflevector <2 x i64> %a, <2 x i64> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>21 call void @bar(<4 x i64> %vec)22 ret void23}24 25declare void @bar(<4 x i64> %vec)26