; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon -o - | FileCheck %s ; RUN: llc < %s -mtriple=aarch64_be-none-linux-gnu -mattr=+neon -o - | FileCheck %s ; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -aarch64-no-strict-align -mattr=+neon -o - | FileCheck %s ; RUN: llc < %s -mtriple=aarch64_be-none-linux-gnu -aarch64-no-strict-align -mattr=+neon -o - | FileCheck %s ; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -aarch64-strict-align -mattr=+neon -o - | FileCheck %s ; RUN: llc < %s -mtriple=aarch64_be-none-linux-gnu -aarch64-strict-align -mattr=+neon -o - | FileCheck %s --check-prefix=BE-STRICT-ALIGN ;; Check element-aligned 128-bit vector load/store - integer define <16 x i8> @qwordint (<16 x i8>* %head.v16i8, <8 x i16>* %head.v8i16, <4 x i32>* %head.v4i32, <2 x i64>* %head.v2i64, <16 x i8>* %tail.v16i8, <8 x i16>* %tail.v8i16, <4 x i32>* %tail.v4i32, <2 x i64>* %tail.v2i64) { ; CHECK-LABEL: qwordint ; CHECK: ld1 {v0.16b}, [x0] ; CHECK: ld1 {v1.8h}, [x1] ; CHECK: ld1 {v2.4s}, [x2] ; CHECK: ld1 {v3.2d}, [x3] ; CHECK: st1 {v0.16b}, [x4] ; CHECK: st1 {v1.8h}, [x5] ; CHECK: st1 {v2.4s}, [x6] ; CHECK: st1 {v3.2d}, [x7] ; BE-STRICT-ALIGN-LABEL: qwordint ; BE-STRICT-ALIGN: ldrb ; BE-STRICT-ALIGN: ldrh ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: strb ; BE-STRICT-ALIGN: strh ; BE-STRICT-ALIGN: str ; BE-STRICT-ALIGN: str entry: %val.v16i8 = load <16 x i8>* %head.v16i8, align 1 %val.v8i16 = load <8 x i16>* %head.v8i16, align 2 %val.v4i32 = load <4 x i32>* %head.v4i32, align 4 %val.v2i64 = load <2 x i64>* %head.v2i64, align 8 store <16 x i8> %val.v16i8, <16 x i8>* %tail.v16i8, align 1 store <8 x i16> %val.v8i16, <8 x i16>* %tail.v8i16, align 2 store <4 x i32> %val.v4i32, <4 x i32>* %tail.v4i32, align 4 store <2 x i64> %val.v2i64, <2 x i64>* %tail.v2i64, align 8 ret <16 x i8> %val.v16i8 } ;; Check element-aligned 128-bit vector load/store - floating point define <4 x float> @qwordfloat (<4 x float>* %head.v4f32, <2 x double>* %head.v2f64, <4 x float>* %tail.v4f32, <2 x double>* %tail.v2f64) { ; CHECK-LABEL: qwordfloat ; CHECK: ld1 {v0.4s}, [x0] ; CHECK: ld1 {v1.2d}, [x1] ; CHECK: st1 {v0.4s}, [x2] ; CHECK: st1 {v1.2d}, [x3] ; BE-STRICT-ALIGN-LABEL: qwordfloat ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: str ; BE-STRICT-ALIGN: str entry: %val.v4f32 = load <4 x float>* %head.v4f32, align 4 %val.v2f64 = load <2 x double>* %head.v2f64, align 8 store <4 x float> %val.v4f32, <4 x float>* %tail.v4f32, align 4 store <2 x double> %val.v2f64, <2 x double>* %tail.v2f64, align 8 ret <4 x float> %val.v4f32 } ;; Check element-aligned 64-bit vector load/store - integer define <8 x i8> @dwordint (<8 x i8>* %head.v8i8, <4 x i16>* %head.v4i16, <2 x i32>* %head.v2i32, <1 x i64>* %head.v1i64, <8 x i8>* %tail.v8i8, <4 x i16>* %tail.v4i16, <2 x i32>* %tail.v2i32, <1 x i64>* %tail.v1i64) { ; CHECK-LABEL: dwordint ; CHECK: ld1 {v0.8b}, [x0] ; CHECK: ld1 {v1.4h}, [x1] ; CHECK: ld1 {v2.2s}, [x2] ; CHECK: ld1 {v3.1d}, [x3] ; CHECK: st1 {v0.8b}, [x4] ; CHECK: st1 {v1.4h}, [x5] ; CHECK: st1 {v2.2s}, [x6] ; CHECK: st1 {v3.1d}, [x7] ; BE-STRICT-ALIGN-LABEL: dwordint ; BE-STRICT-ALIGN: ldrb ; BE-STRICT-ALIGN: ldrh ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: ld1 {v1.1d}, [x3] ; BE-STRICT-ALIGN: strb ; BE-STRICT-ALIGN: strh ; BE-STRICT-ALIGN: str ; BE-STRICT-ALIGN: st1 {v1.1d}, [x7] entry: %val.v8i8 = load <8 x i8>* %head.v8i8, align 1 %val.v4i16 = load <4 x i16>* %head.v4i16, align 2 %val.v2i32 = load <2 x i32>* %head.v2i32, align 4 %val.v1i64 = load <1 x i64>* %head.v1i64, align 8 store <8 x i8> %val.v8i8, <8 x i8>* %tail.v8i8 , align 1 store <4 x i16> %val.v4i16, <4 x i16>* %tail.v4i16, align 2 store <2 x i32> %val.v2i32, <2 x i32>* %tail.v2i32, align 4 store <1 x i64> %val.v1i64, <1 x i64>* %tail.v1i64, align 8 ret <8 x i8> %val.v8i8 } ;; Check element-aligned 64-bit vector load/store - floating point define <2 x float> @dwordfloat (<2 x float>* %head.v2f32, <1 x double>* %head.v1f64, <2 x float>* %tail.v2f32, <1 x double>* %tail.v1f64) { ; CHECK-LABEL: dwordfloat ; CHECK: ld1 {v0.2s}, [x0] ; CHECK: ld1 {v1.1d}, [x1] ; CHECK: st1 {v0.2s}, [x2] ; CHECK: st1 {v1.1d}, [x3] ; BE-STRICT-ALIGN-LABEL: dwordfloat ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: ld1 {v1.1d}, [x1] ; BE-STRICT-ALIGN: str ; BE-STRICT-ALIGN: st1 {v1.1d}, [x3] entry: %val.v2f32 = load <2 x float>* %head.v2f32, align 4 %val.v1f64 = load <1 x double>* %head.v1f64, align 8 store <2 x float> %val.v2f32, <2 x float>* %tail.v2f32, align 4 store <1 x double> %val.v1f64, <1 x double>* %tail.v1f64, align 8 ret <2 x float> %val.v2f32 } ;; Check load/store of 128-bit vectors with less-than 16-byte alignment define <2 x i64> @align2vi64 (<2 x i64>* %head.byte, <2 x i64>* %head.half, <2 x i64>* %head.word, <2 x i64>* %head.dword, <2 x i64>* %tail.byte, <2 x i64>* %tail.half, <2 x i64>* %tail.word, <2 x i64>* %tail.dword) { ; CHECK-LABEL: align2vi64 ; CHECK: ld1 {v0.2d}, [x0] ; CHECK: ld1 {v1.2d}, [x1] ; CHECK: ld1 {v2.2d}, [x2] ; CHECK: ld1 {v3.2d}, [x3] ; CHECK: st1 {v0.2d}, [x4] ; CHECK: st1 {v1.2d}, [x5] ; CHECK: st1 {v2.2d}, [x6] ; CHECK: st1 {v3.2d}, [x7] ; BE-STRICT-ALIGN-LABEL: align2vi64 ; BE-STRICT-ALIGN: ldrb ; BE-STRICT-ALIGN: ldrh ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: strb ; BE-STRICT-ALIGN: strh ; BE-STRICT-ALIGN: str entry: %val.byte = load <2 x i64>* %head.byte, align 1 %val.half = load <2 x i64>* %head.half, align 2 %val.word = load <2 x i64>* %head.word, align 4 %val.dword = load <2 x i64>* %head.dword, align 8 store <2 x i64> %val.byte, <2 x i64>* %tail.byte, align 1 store <2 x i64> %val.half, <2 x i64>* %tail.half, align 2 store <2 x i64> %val.word, <2 x i64>* %tail.word, align 4 store <2 x i64> %val.dword, <2 x i64>* %tail.dword, align 8 ret <2 x i64> %val.byte } ;; Check load/store of 64-bit vectors with less-than 8-byte alignment define <2 x float> @align2vf32 (<2 x float>* %head.byte, <2 x float>* %head.half, <2 x float>* %head.word, <2 x float>* %head.dword, <2 x float>* %tail.byte, <2 x float>* %tail.half, <2 x float>* %tail.word, <2 x float>* %tail.dword) { ; CHECK-LABEL: align2vf32 ; CHECK: ld1 {v0.2s}, [x0] ; CHECK: ld1 {v1.2s}, [x1] ; CHECK: ld1 {v2.2s}, [x2] ; CHECK: st1 {v0.2s}, [x4] ; CHECK: st1 {v1.2s}, [x5] ; CHECK: st1 {v2.2s}, [x6] ; BE-STRICT-ALIGN-LABEL: align2vf32 ; BE-STRICT-ALIGN: ldrb ; BE-STRICT-ALIGN: ldrh ; BE-STRICT-ALIGN: ldr ; BE-STRICT-ALIGN: strb ; BE-STRICT-ALIGN: strh ; BE-STRICT-ALIGN: str entry: %val.byte = load <2 x float>* %head.byte, align 1 %val.half = load <2 x float>* %head.half, align 2 %val.word = load <2 x float>* %head.word, align 4 store <2 x float> %val.byte, <2 x float>* %tail.byte, align 1 store <2 x float> %val.half, <2 x float>* %tail.half, align 2 store <2 x float> %val.word, <2 x float>* %tail.word, align 4 ret <2 x float> %val.byte }