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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=aarch64 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-ALIGNED3; RUN: llc -mtriple=aarch64 -mattr=+strict-align < %s | FileCheck %s --check-prefixes=CHECK,CHECK-UNALIGNED4 5; Small (16 bytes here) unaligned memmove() should be a function call if6; strict-alignment is turned on.7define void @t16(ptr %out, ptr %in) {8; CHECK-ALIGNED-LABEL: t16:9; CHECK-ALIGNED: // %bb.0: // %entry10; CHECK-ALIGNED-NEXT: ldr q0, [x1]11; CHECK-ALIGNED-NEXT: str q0, [x0]12; CHECK-ALIGNED-NEXT: ret13;14; CHECK-UNALIGNED-LABEL: t16:15; CHECK-UNALIGNED: // %bb.0: // %entry16; CHECK-UNALIGNED-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill17; CHECK-UNALIGNED-NEXT: .cfi_def_cfa_offset 1618; CHECK-UNALIGNED-NEXT: .cfi_offset w30, -1619; CHECK-UNALIGNED-NEXT: mov w2, #16 // =0x1020; CHECK-UNALIGNED-NEXT: bl memmove21; CHECK-UNALIGNED-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload22; CHECK-UNALIGNED-NEXT: ret23entry:24 call void @llvm.memmove.p0.p0.i64(ptr %out, ptr %in, i64 16, i1 false)25 ret void26}27 28; Small (16 bytes here) aligned memmove() should be inlined even if29; strict-alignment is turned on.30define void @t16_aligned(ptr align 8 %out, ptr align 8 %in) {31; CHECK-ALIGNED-LABEL: t16_aligned:32; CHECK-ALIGNED: // %bb.0: // %entry33; CHECK-ALIGNED-NEXT: ldr q0, [x1]34; CHECK-ALIGNED-NEXT: str q0, [x0]35; CHECK-ALIGNED-NEXT: ret36;37; CHECK-UNALIGNED-LABEL: t16_aligned:38; CHECK-UNALIGNED: // %bb.0: // %entry39; CHECK-UNALIGNED-NEXT: ldp x9, x8, [x1]40; CHECK-UNALIGNED-NEXT: stp x9, x8, [x0]41; CHECK-UNALIGNED-NEXT: ret42entry:43 call void @llvm.memmove.p0.p0.i64(ptr align 8 %out, ptr align 8 %in, i64 16, i1 false)44 ret void45}46 47; Tiny (4 bytes here) unaligned memmove() should be inlined with byte sized48; loads and stores if strict-alignment is turned on.49define void @t4(ptr %out, ptr %in) {50; CHECK-ALIGNED-LABEL: t4:51; CHECK-ALIGNED: // %bb.0: // %entry52; CHECK-ALIGNED-NEXT: ldr w8, [x1]53; CHECK-ALIGNED-NEXT: str w8, [x0]54; CHECK-ALIGNED-NEXT: ret55;56; CHECK-UNALIGNED-LABEL: t4:57; CHECK-UNALIGNED: // %bb.0: // %entry58; CHECK-UNALIGNED-NEXT: ldrb w8, [x1, #3]59; CHECK-UNALIGNED-NEXT: ldrb w9, [x1, #2]60; CHECK-UNALIGNED-NEXT: ldrb w10, [x1]61; CHECK-UNALIGNED-NEXT: ldrb w11, [x1, #1]62; CHECK-UNALIGNED-NEXT: strb w8, [x0, #3]63; CHECK-UNALIGNED-NEXT: strb w9, [x0, #2]64; CHECK-UNALIGNED-NEXT: strb w11, [x0, #1]65; CHECK-UNALIGNED-NEXT: strb w10, [x0]66; CHECK-UNALIGNED-NEXT: ret67entry:68 call void @llvm.memmove.p0.p0.i64(ptr %out, ptr %in, i64 4, i1 false)69 ret void70}71 72define void @t256(ptr %out, ptr %in) {73; CHECK-ALIGNED-LABEL: t256:74; CHECK-ALIGNED: // %bb.0: // %entry75; CHECK-ALIGNED-NEXT: ldp q0, q1, [x1]76; CHECK-ALIGNED-NEXT: ldp q2, q3, [x1, #32]77; CHECK-ALIGNED-NEXT: ldp q4, q5, [x1, #64]78; CHECK-ALIGNED-NEXT: ldp q6, q7, [x1, #96]79; CHECK-ALIGNED-NEXT: ldp q16, q17, [x1, #224]80; CHECK-ALIGNED-NEXT: ldp q18, q19, [x1, #128]81; CHECK-ALIGNED-NEXT: ldp q20, q21, [x1, #160]82; CHECK-ALIGNED-NEXT: ldp q22, q23, [x1, #192]83; CHECK-ALIGNED-NEXT: stp q0, q1, [x0]84; CHECK-ALIGNED-NEXT: stp q2, q3, [x0, #32]85; CHECK-ALIGNED-NEXT: stp q4, q5, [x0, #64]86; CHECK-ALIGNED-NEXT: stp q6, q7, [x0, #96]87; CHECK-ALIGNED-NEXT: stp q18, q19, [x0, #128]88; CHECK-ALIGNED-NEXT: stp q20, q21, [x0, #160]89; CHECK-ALIGNED-NEXT: stp q22, q23, [x0, #192]90; CHECK-ALIGNED-NEXT: stp q16, q17, [x0, #224]91; CHECK-ALIGNED-NEXT: ret92;93; CHECK-UNALIGNED-LABEL: t256:94; CHECK-UNALIGNED: // %bb.0: // %entry95; CHECK-UNALIGNED-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill96; CHECK-UNALIGNED-NEXT: .cfi_def_cfa_offset 1697; CHECK-UNALIGNED-NEXT: .cfi_offset w30, -1698; CHECK-UNALIGNED-NEXT: mov w2, #256 // =0x10099; CHECK-UNALIGNED-NEXT: bl memmove100; CHECK-UNALIGNED-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload101; CHECK-UNALIGNED-NEXT: ret102entry:103 call void @llvm.memmove.p0.p0.i64(ptr %out, ptr %in, i64 256, i1 false)104 ret void105}106 107define void @t257(ptr %out, ptr %in) {108; CHECK-LABEL: t257:109; CHECK: // %bb.0: // %entry110; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill111; CHECK-NEXT: .cfi_def_cfa_offset 16112; CHECK-NEXT: .cfi_offset w30, -16113; CHECK-NEXT: mov w2, #257 // =0x101114; CHECK-NEXT: bl memmove115; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload116; CHECK-NEXT: ret117entry:118 call void @llvm.memmove.p0.p0.i64(ptr %out, ptr %in, i64 257, i1 false)119 ret void120}121 122declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)123