1; RUN: llc -mtriple=arm64-apple-ios -mattr=+strict-align < %s | FileCheck %s 2 3; Small (16 bytes here) unaligned memcpy() should be a function call if 4; strict-alignment is turned on. 5define void @t0(i8* %out, i8* %in) { 6; CHECK-LABEL: t0: 7; CHECK: orr w2, wzr, #0x10 8; CHECK-NEXT: bl _memcpy 9entry: 10 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 16, i1 false) 11 ret void 12} 13 14; Small (16 bytes here) aligned memcpy() should be inlined even if 15; strict-alignment is turned on. 16define void @t1(i8* align 8 %out, i8* align 8 %in) { 17; CHECK-LABEL: t1: 18; CHECK: ldp x{{[0-9]+}}, x{{[0-9]+}}, [x1] 19; CHECK-NEXT: stp x{{[0-9]+}}, x{{[0-9]+}}, [x0] 20entry: 21 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %out, i8* align 8 %in, i64 16, i1 false) 22 ret void 23} 24 25; Tiny (4 bytes here) unaligned memcpy() should be inlined with byte sized 26; loads and stores if strict-alignment is turned on. 27define void @t2(i8* %out, i8* %in) { 28; CHECK-LABEL: t2: 29; CHECK: ldrb w{{[0-9]+}}, [x1, #3] 30; CHECK-NEXT: ldrb w{{[0-9]+}}, [x1, #2] 31; CHECK-NEXT: ldrb w{{[0-9]+}}, [x1, #1] 32; CHECK-NEXT: ldrb w{{[0-9]+}}, [x1] 33; CHECK-NEXT: strb w{{[0-9]+}}, [x0, #3] 34; CHECK-NEXT: strb w{{[0-9]+}}, [x0, #2] 35; CHECK-NEXT: strb w{{[0-9]+}}, [x0, #1] 36; CHECK-NEXT: strb w{{[0-9]+}}, [x0] 37entry: 38 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 4, i1 false) 39 ret void 40} 41 42declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) 43