llvm/test/CodeGen/ARM/vld2.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s

%struct.__neon_int8x8x2_t = type { <8 x i8>,  <8 x i8> }
%struct.__neon_int16x4x2_t = type { <4 x i16>, <4 x i16> }
%struct.__neon_int32x2x2_t = type { <2 x i32>, <2 x i32> }
%struct.__neon_float32x2x2_t = type { <2 x float>, <2 x float> }
%struct.__neon_int64x1x2_t = type { <1 x i64>, <1 x i64> }

%struct.__neon_int8x16x2_t = type { <16 x i8>,  <16 x i8> }
%struct.__neon_int16x8x2_t = type { <8 x i16>, <8 x i16> }
%struct.__neon_int32x4x2_t = type { <4 x i32>, <4 x i32> }
%struct.__neon_float32x4x2_t = type { <4 x float>, <4 x float> }

;Check the alignment value.  Max for this instruction is 128 bits:
define <8 x i8> @vld2i8(ptr %A) nounwind {
; CHECK-LABEL: vld2i8:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.8 {d16, d17}, [r0:64]
; CHECK-NEXT:    vadd.i8 d16, d16, d17
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2.v8i8.p0(ptr %A, i32 8)
  %tmp2 = extractvalue %struct.__neon_int8x8x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp1, 1
  %tmp4 = add <8 x i8> %tmp2, %tmp3
  ret <8 x i8> %tmp4
}

;Check the alignment value.  Max for this instruction is 128 bits:
define <4 x i16> @vld2i16(ptr %A) nounwind {
; CHECK-LABEL: vld2i16:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.16 {d16, d17}, [r0:128]
; CHECK-NEXT:    vadd.i16 d16, d16, d17
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2.v4i16.p0(ptr %A, i32 32)
  %tmp2 = extractvalue %struct.__neon_int16x4x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int16x4x2_t %tmp1, 1
  %tmp4 = add <4 x i16> %tmp2, %tmp3
  ret <4 x i16> %tmp4
}

define <2 x i32> @vld2i32(ptr %A) nounwind {
; CHECK-LABEL: vld2i32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.32 {d16, d17}, [r0]
; CHECK-NEXT:    vadd.i32 d16, d16, d17
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int32x2x2_t @llvm.arm.neon.vld2.v2i32.p0(ptr %A, i32 1)
  %tmp2 = extractvalue %struct.__neon_int32x2x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int32x2x2_t %tmp1, 1
  %tmp4 = add <2 x i32> %tmp2, %tmp3
  ret <2 x i32> %tmp4
}

define <2 x float> @vld2f(ptr %A) nounwind {
; CHECK-LABEL: vld2f:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.32 {d16, d17}, [r0]
; CHECK-NEXT:    vadd.f32 d16, d16, d17
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_float32x2x2_t @llvm.arm.neon.vld2.v2f32.p0(ptr %A, i32 1)
  %tmp2 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 1
  %tmp4 = fadd <2 x float> %tmp2, %tmp3
  ret <2 x float> %tmp4
}

;Check for a post-increment updating load.
define <2 x float> @vld2f_update(ptr %ptr) nounwind {
; CHECK-LABEL: vld2f_update:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    ldr r3, [r0]
; CHECK-NEXT:    vld2.32 {d16, d17}, [r3]!
; CHECK-NEXT:    vadd.f32 d16, d16, d17
; CHECK-NEXT:    str r3, [r0]
; CHECK-NEXT:    vmov r2, r1, d16
; CHECK-NEXT:    mov r0, r2
; CHECK-NEXT:    mov pc, lr
  %A = load ptr, ptr %ptr
  %tmp1 = call %struct.__neon_float32x2x2_t @llvm.arm.neon.vld2.v2f32.p0(ptr %A, i32 1)
  %tmp2 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_float32x2x2_t %tmp1, 1
  %tmp4 = fadd <2 x float> %tmp2, %tmp3
  %tmp5 = getelementptr float, ptr %A, i32 4
  store ptr %tmp5, ptr %ptr
  ret <2 x float> %tmp4
}

;Check the alignment value.  Max for this instruction is 128 bits:
define <1 x i64> @vld2i64(ptr %A) nounwind {
; CHECK-LABEL: vld2i64:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld1.64 {d16, d17}, [r0:128]
; CHECK-NEXT:    vadd.i64 d16, d16, d17
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int64x1x2_t @llvm.arm.neon.vld2.v1i64.p0(ptr %A, i32 32)
  %tmp2 = extractvalue %struct.__neon_int64x1x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int64x1x2_t %tmp1, 1
  %tmp4 = add <1 x i64> %tmp2, %tmp3
  ret <1 x i64> %tmp4
}

;Check the alignment value.  Max for this instruction is 256 bits:
define <16 x i8> @vld2Qi8(ptr %A) nounwind {
; CHECK-LABEL: vld2Qi8:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.8 {d16, d17, d18, d19}, [r0:64]
; CHECK-NEXT:    vadd.i8 q8, q8, q9
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int8x16x2_t @llvm.arm.neon.vld2.v16i8.p0(ptr %A, i32 8)
  %tmp2 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 1
  %tmp4 = add <16 x i8> %tmp2, %tmp3
  ret <16 x i8> %tmp4
}

;Check for a post-increment updating load with register increment.
define <16 x i8> @vld2Qi8_update(ptr %ptr, i32 %inc) nounwind {
; CHECK-LABEL: vld2Qi8_update:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r11, lr}
; CHECK-NEXT:    push {r11, lr}
; CHECK-NEXT:    ldr lr, [r0]
; CHECK-NEXT:    vld2.8 {d16, d17, d18, d19}, [lr:128], r1
; CHECK-NEXT:    vadd.i8 q8, q8, q9
; CHECK-NEXT:    str lr, [r0]
; CHECK-NEXT:    vmov r12, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    mov r0, r12
; CHECK-NEXT:    pop {r11, lr}
; CHECK-NEXT:    mov pc, lr
  %A = load ptr, ptr %ptr
  %tmp1 = call %struct.__neon_int8x16x2_t @llvm.arm.neon.vld2.v16i8.p0(ptr %A, i32 16)
  %tmp2 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int8x16x2_t %tmp1, 1
  %tmp4 = add <16 x i8> %tmp2, %tmp3
  %tmp5 = getelementptr i8, ptr %A, i32 %inc
  store ptr %tmp5, ptr %ptr
  ret <16 x i8> %tmp4
}

;Check the alignment value.  Max for this instruction is 256 bits:
define <8 x i16> @vld2Qi16(ptr %A) nounwind {
; CHECK-LABEL: vld2Qi16:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.16 {d16, d17, d18, d19}, [r0:128]
; CHECK-NEXT:    vadd.i16 q8, q8, q9
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2.v8i16.p0(ptr %A, i32 16)
  %tmp2 = extractvalue %struct.__neon_int16x8x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int16x8x2_t %tmp1, 1
  %tmp4 = add <8 x i16> %tmp2, %tmp3
  ret <8 x i16> %tmp4
}

;Check the alignment value.  Max for this instruction is 256 bits:
define <4 x i32> @vld2Qi32(ptr %A) nounwind {
; CHECK-LABEL: vld2Qi32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.32 {d16, d17, d18, d19}, [r0:256]
; CHECK-NEXT:    vadd.i32 q8, q8, q9
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2.v4i32.p0(ptr %A, i32 64)
  %tmp2 = extractvalue %struct.__neon_int32x4x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_int32x4x2_t %tmp1, 1
  %tmp4 = add <4 x i32> %tmp2, %tmp3
  ret <4 x i32> %tmp4
}

define <4 x float> @vld2Qf(ptr %A) nounwind {
; CHECK-LABEL: vld2Qf:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    vld2.32 {d16, d17, d18, d19}, [r0]
; CHECK-NEXT:    vadd.f32 q8, q8, q9
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    mov pc, lr
  %tmp1 = call %struct.__neon_float32x4x2_t @llvm.arm.neon.vld2.v4f32.p0(ptr %A, i32 1)
  %tmp2 = extractvalue %struct.__neon_float32x4x2_t %tmp1, 0
  %tmp3 = extractvalue %struct.__neon_float32x4x2_t %tmp1, 1
  %tmp4 = fadd <4 x float> %tmp2, %tmp3
  ret <4 x float> %tmp4
}

; FIXME: Do not update with an invalid increment
define ptr @test_or_update(ptr %p, ptr %q) {
; CHECK-LABEL: test_or_update:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    orr r0, r0, #3
; CHECK-NEXT:    mov r2, #2
; CHECK-NEXT:    vld2.32 {d16, d17}, [r0], r2
; CHECK-NEXT:    vstr d16, [r1]
; CHECK-NEXT:    mov pc, lr
  %p1 = ptrtoint ptr %p to i32
  %p2 = or i32 %p1, 3
  %p3 = inttoptr i32 %p2 to ptr
  %l = load <4 x i32>, ptr %p3, align 1
  %s = shufflevector <4 x i32> %l, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
  store <2 x i32> %s, ptr %q
  %q1 = getelementptr i8, ptr %p, i32 2
  ret ptr %q1
}