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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=arm64-apple-ios -mattr=+strict-align < %s | FileCheck %s3 4; Small (16 bytes here) unaligned memcpy() should be a function call if5; strict-alignment is turned on.6define void @t0(ptr %out, ptr %in) {7; CHECK-LABEL: t0:8; CHECK: ; %bb.0: ; %entry9; CHECK-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill10; CHECK-NEXT: .cfi_def_cfa_offset 1611; CHECK-NEXT: .cfi_offset w30, -812; CHECK-NEXT: .cfi_offset w29, -1613; CHECK-NEXT: mov w2, #16 ; =0x1014; CHECK-NEXT: bl _memcpy15; CHECK-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload16; CHECK-NEXT: ret17entry:18 call void @llvm.memcpy.p0.p0.i64(ptr %out, ptr %in, i64 16, i1 false)19 ret void20}21 22; Small (16 bytes here) aligned memcpy() should be inlined even if23; strict-alignment is turned on.24define void @t1(ptr align 8 %out, ptr align 8 %in) {25; CHECK-LABEL: t1:26; CHECK: ; %bb.0: ; %entry27; CHECK-NEXT: ldp x9, x8, [x1]28; CHECK-NEXT: stp x9, x8, [x0]29; CHECK-NEXT: ret30entry:31 call void @llvm.memcpy.p0.p0.i64(ptr align 8 %out, ptr align 8 %in, i64 16, i1 false)32 ret void33}34 35; Tiny (4 bytes here) unaligned memcpy() should be inlined with byte sized36; loads and stores if strict-alignment is turned on.37define void @t2(ptr %out, ptr %in) {38; CHECK-LABEL: t2:39; CHECK: ; %bb.0: ; %entry40; CHECK-NEXT: ldrb w8, [x1, #3]41; CHECK-NEXT: ldrb w9, [x1, #2]42; CHECK-NEXT: ldrb w10, [x1]43; CHECK-NEXT: ldrb w11, [x1, #1]44; CHECK-NEXT: strb w8, [x0, #3]45; CHECK-NEXT: strb w9, [x0, #2]46; CHECK-NEXT: strb w11, [x0, #1]47; CHECK-NEXT: strb w10, [x0]48; CHECK-NEXT: ret49entry:50 call void @llvm.memcpy.p0.p0.i64(ptr %out, ptr %in, i64 4, i1 false)51 ret void52}53 54declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)55