1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2; RUN: llc -global-isel -mtriple aarch64-apple-ios -stop-after=instruction-select %s -o - | FileCheck %s 3 4; Check that packing incoming arguments into a big vector type 5; and unpacking them in registers for the call to @bar gets selected as just 6; simple copies. I.e., we don't artificial try to keep the big 7; vector (%vec) alive. 8define void @shuffle_to_concat_vector(<2 x i64> %a, <2 x i64> %b) { 9 ; CHECK-LABEL: name: shuffle_to_concat_vector 10 ; CHECK: bb.1 (%ir-block.0): 11 ; CHECK: liveins: $q0, $q1 12 ; CHECK: [[COPY:%[0-9]+]]:fpr128 = COPY $q0 13 ; CHECK: [[COPY1:%[0-9]+]]:fpr128 = COPY $q1 14 ; CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp 15 ; 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 $q1 18 ; CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp 19 ; CHECK: RET_ReallyLR 20 %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 void 23} 24 25declare void @bar(<4 x i64> %vec) 26