; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
+; RUN: llc < %s -march=arm -mattr=+neon -regalloc=basic | FileCheck %s
+
+define <8 x i8> @vld1lanei8(i8* %A, <8 x i8>* %B) nounwind {
+;CHECK: vld1lanei8:
+;Check the (default) alignment value.
+;CHECK: vld1.8 {d16[3]}, [r0]
+ %tmp1 = load <8 x i8>* %B
+ %tmp2 = load i8* %A, align 8
+ %tmp3 = insertelement <8 x i8> %tmp1, i8 %tmp2, i32 3
+ ret <8 x i8> %tmp3
+}
+
+define <4 x i16> @vld1lanei16(i16* %A, <4 x i16>* %B) nounwind {
+;CHECK: vld1lanei16:
+;Check the alignment value. Max for this instruction is 16 bits:
+;CHECK: vld1.16 {d16[2]}, [r0:16]
+ %tmp1 = load <4 x i16>* %B
+ %tmp2 = load i16* %A, align 8
+ %tmp3 = insertelement <4 x i16> %tmp1, i16 %tmp2, i32 2
+ ret <4 x i16> %tmp3
+}
+
+define <2 x i32> @vld1lanei32(i32* %A, <2 x i32>* %B) nounwind {
+;CHECK: vld1lanei32:
+;Check the alignment value. Max for this instruction is 32 bits:
+;CHECK: vld1.32 {d16[1]}, [r0:32]
+ %tmp1 = load <2 x i32>* %B
+ %tmp2 = load i32* %A, align 8
+ %tmp3 = insertelement <2 x i32> %tmp1, i32 %tmp2, i32 1
+ ret <2 x i32> %tmp3
+}
+
+define <2 x i32> @vld1lanei32a32(i32* %A, <2 x i32>* %B) nounwind {
+;CHECK: vld1lanei32a32:
+;Check the alignment value. Legal values are none or :32.
+;CHECK: vld1.32 {d16[1]}, [r0:32]
+ %tmp1 = load <2 x i32>* %B
+ %tmp2 = load i32* %A, align 4
+ %tmp3 = insertelement <2 x i32> %tmp1, i32 %tmp2, i32 1
+ ret <2 x i32> %tmp3
+}
+
+define <2 x float> @vld1lanef(float* %A, <2 x float>* %B) nounwind {
+;CHECK: vld1lanef:
+;CHECK: vld1.32 {d16[1]}, [r0:32]
+ %tmp1 = load <2 x float>* %B
+ %tmp2 = load float* %A, align 4
+ %tmp3 = insertelement <2 x float> %tmp1, float %tmp2, i32 1
+ ret <2 x float> %tmp3
+}
+
+define <16 x i8> @vld1laneQi8(i8* %A, <16 x i8>* %B) nounwind {
+;CHECK: vld1laneQi8:
+;CHECK: vld1.8 {d17[1]}, [r0]
+ %tmp1 = load <16 x i8>* %B
+ %tmp2 = load i8* %A, align 8
+ %tmp3 = insertelement <16 x i8> %tmp1, i8 %tmp2, i32 9
+ ret <16 x i8> %tmp3
+}
+
+define <8 x i16> @vld1laneQi16(i16* %A, <8 x i16>* %B) nounwind {
+;CHECK: vld1laneQi16:
+;CHECK: vld1.16 {d17[1]}, [r0:16]
+ %tmp1 = load <8 x i16>* %B
+ %tmp2 = load i16* %A, align 8
+ %tmp3 = insertelement <8 x i16> %tmp1, i16 %tmp2, i32 5
+ ret <8 x i16> %tmp3
+}
+
+define <4 x i32> @vld1laneQi32(i32* %A, <4 x i32>* %B) nounwind {
+;CHECK: vld1laneQi32:
+;CHECK: vld1.32 {d17[1]}, [r0:32]
+ %tmp1 = load <4 x i32>* %B
+ %tmp2 = load i32* %A, align 8
+ %tmp3 = insertelement <4 x i32> %tmp1, i32 %tmp2, i32 3
+ ret <4 x i32> %tmp3
+}
+
+define <4 x float> @vld1laneQf(float* %A, <4 x float>* %B) nounwind {
+;CHECK: vld1laneQf:
+;CHECK: vld1.32 {d16[0]}, [r0:32]
+ %tmp1 = load <4 x float>* %B
+ %tmp2 = load float* %A
+ %tmp3 = insertelement <4 x float> %tmp1, float %tmp2, i32 0
+ ret <4 x float> %tmp3
+}
%struct.__neon_int8x8x2_t = type { <8 x i8>, <8 x i8> }
%struct.__neon_int16x4x2_t = type { <4 x i16>, <4 x i16> }
define <8 x i8> @vld2lanei8(i8* %A, <8 x i8>* %B) nounwind {
;CHECK: vld2lanei8:
-;CHECK: vld2.8
+;Check the alignment value. Max for this instruction is 16 bits:
+;CHECK: vld2.8 {d16[1], d17[1]}, [r0:16]
%tmp1 = load <8 x i8>* %B
- %tmp2 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 4)
%tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 1
%tmp5 = add <8 x i8> %tmp3, %tmp4
define <4 x i16> @vld2lanei16(i16* %A, <4 x i16>* %B) nounwind {
;CHECK: vld2lanei16:
-;CHECK: vld2.16
+;Check the alignment value. Max for this instruction is 32 bits:
+;CHECK: vld2.16 {d16[1], d17[1]}, [r0:32]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <4 x i16>* %B
- %tmp2 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8)
%tmp3 = extractvalue %struct.__neon_int16x4x2_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x4x2_t %tmp2, 1
%tmp5 = add <4 x i16> %tmp3, %tmp4
ret <2 x i32> %tmp5
}
+;Check for a post-increment updating load.
+define <2 x i32> @vld2lanei32_update(i32** %ptr, <2 x i32>* %B) nounwind {
+;CHECK: vld2lanei32_update:
+;CHECK: vld2.32 {d16[1], d17[1]}, [{{r[0-9]+}}]!
+ %A = load i32** %ptr
+ %tmp0 = bitcast i32* %A to i8*
+ %tmp1 = load <2 x i32>* %B
+ %tmp2 = call %struct.__neon_int32x2x2_t @llvm.arm.neon.vld2lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 1)
+ %tmp3 = extractvalue %struct.__neon_int32x2x2_t %tmp2, 0
+ %tmp4 = extractvalue %struct.__neon_int32x2x2_t %tmp2, 1
+ %tmp5 = add <2 x i32> %tmp3, %tmp4
+ %tmp6 = getelementptr i32* %A, i32 2
+ store i32* %tmp6, i32** %ptr
+ ret <2 x i32> %tmp5
+}
+
define <2 x float> @vld2lanef(float* %A, <2 x float>* %B) nounwind {
;CHECK: vld2lanef:
;CHECK: vld2.32
define <8 x i16> @vld2laneQi16(i16* %A, <8 x i16>* %B) nounwind {
;CHECK: vld2laneQi16:
-;CHECK: vld2.16
+;Check the (default) alignment.
+;CHECK: vld2.16 {d17[1], d19[1]}, [{{r[0-9]+}}]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <8 x i16>* %B
- %tmp2 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 5, i32 1)
%tmp3 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 1
%tmp5 = add <8 x i16> %tmp3, %tmp4
define <4 x i32> @vld2laneQi32(i32* %A, <4 x i32>* %B) nounwind {
;CHECK: vld2laneQi32:
-;CHECK: vld2.32
+;Check the alignment value. Max for this instruction is 64 bits:
+;CHECK: vld2.32 {d17[0], d19[0]}, [{{r[0-9]+}}:64]
%tmp0 = bitcast i32* %A to i8*
%tmp1 = load <4 x i32>* %B
- %tmp2 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1)
+ %tmp2 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 16)
%tmp3 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 1
%tmp5 = add <4 x i32> %tmp3, %tmp4
define <4 x i16> @vld3lanei16(i16* %A, <4 x i16>* %B) nounwind {
;CHECK: vld3lanei16:
-;CHECK: vld3.16
+;Check the (default) alignment value. VLD3 does not support alignment.
+;CHECK: vld3.16 {d{{.*}}[1], d{{.*}}[1], d{{.*}}[1]}, [{{r[0-9]+}}]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <4 x i16>* %B
- %tmp2 = call %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8)
%tmp3 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 2
define <8 x i16> @vld3laneQi16(i16* %A, <8 x i16>* %B) nounwind {
;CHECK: vld3laneQi16:
-;CHECK: vld3.16
+;Check the (default) alignment value. VLD3 does not support alignment.
+;CHECK: vld3.16 {d{{.*}}[1], d{{.*}}[1], d{{.*}}[1]}, [{{r[0-9]+}}]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <8 x i16>* %B
- %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 8)
%tmp3 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 2
ret <8 x i16> %tmp7
}
+;Check for a post-increment updating load with register increment.
+define <8 x i16> @vld3laneQi16_update(i16** %ptr, <8 x i16>* %B, i32 %inc) nounwind {
+;CHECK: vld3laneQi16_update:
+;CHECK: vld3.16 {d{{.*}}[1], d{{.*}}[1], d{{.*}}[1]}, [{{r[0-9]+}}], {{r[0-9]+}}
+ %A = load i16** %ptr
+ %tmp0 = bitcast i16* %A to i8*
+ %tmp1 = load <8 x i16>* %B
+ %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 8)
+ %tmp3 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 0
+ %tmp4 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 1
+ %tmp5 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 2
+ %tmp6 = add <8 x i16> %tmp3, %tmp4
+ %tmp7 = add <8 x i16> %tmp5, %tmp6
+ %tmp8 = getelementptr i16* %A, i32 %inc
+ store i16* %tmp8, i16** %ptr
+ ret <8 x i16> %tmp7
+}
+
define <4 x i32> @vld3laneQi32(i32* %A, <4 x i32>* %B) nounwind {
;CHECK: vld3laneQi32:
;CHECK: vld3.32
define <8 x i8> @vld4lanei8(i8* %A, <8 x i8>* %B) nounwind {
;CHECK: vld4lanei8:
-;CHECK: vld4.8
+;Check the alignment value. Max for this instruction is 32 bits:
+;CHECK: vld4.8 {d{{.*}}[1], d{{.*}}[1], d{{.*}}[1], d{{.*}}[1]}, [{{r[0-9]+}}:32]
%tmp1 = load <8 x i8>* %B
- %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 8)
%tmp3 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 2
ret <8 x i8> %tmp9
}
+;Check for a post-increment updating load.
+define <8 x i8> @vld4lanei8_update(i8** %ptr, <8 x i8>* %B) nounwind {
+;CHECK: vld4lanei8_update:
+;CHECK: vld4.8 {d16[1], d17[1], d18[1], d19[1]}, [{{r[0-9]+}}:32]!
+ %A = load i8** %ptr
+ %tmp1 = load <8 x i8>* %B
+ %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 8)
+ %tmp3 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 0
+ %tmp4 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 1
+ %tmp5 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 2
+ %tmp6 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 3
+ %tmp7 = add <8 x i8> %tmp3, %tmp4
+ %tmp8 = add <8 x i8> %tmp5, %tmp6
+ %tmp9 = add <8 x i8> %tmp7, %tmp8
+ %tmp10 = getelementptr i8* %A, i32 4
+ store i8* %tmp10, i8** %ptr
+ ret <8 x i8> %tmp9
+}
+
define <4 x i16> @vld4lanei16(i16* %A, <4 x i16>* %B) nounwind {
;CHECK: vld4lanei16:
-;CHECK: vld4.16
+;Check that a power-of-two alignment smaller than the total size of the memory
+;being loaded is ignored.
+;CHECK: vld4.16 {d16[1], d17[1], d18[1], d19[1]}, [{{r[0-9]+}}]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <4 x i16>* %B
- %tmp2 = call %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 4)
%tmp3 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 2
define <2 x i32> @vld4lanei32(i32* %A, <2 x i32>* %B) nounwind {
;CHECK: vld4lanei32:
-;CHECK: vld4.32
+;Check the alignment value. An 8-byte alignment is allowed here even though
+;it is smaller than the total size of the memory being loaded.
+;CHECK: vld4.32 {d16[1], d17[1], d18[1], d19[1]}, [{{r[0-9]+}}:64]
%tmp0 = bitcast i32* %A to i8*
%tmp1 = load <2 x i32>* %B
- %tmp2 = call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 8)
%tmp3 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 2
define <8 x i16> @vld4laneQi16(i16* %A, <8 x i16>* %B) nounwind {
;CHECK: vld4laneQi16:
-;CHECK: vld4.16
+;Check the alignment value. Max for this instruction is 64 bits:
+;CHECK: vld4.16 {d16[1], d18[1], d20[1], d22[1]}, [{{r[0-9]+}}:64]
%tmp0 = bitcast i16* %A to i8*
%tmp1 = load <8 x i16>* %B
- %tmp2 = call %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 16)
%tmp3 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 2
define <4 x i32> @vld4laneQi32(i32* %A, <4 x i32>* %B) nounwind {
;CHECK: vld4laneQi32:
-;CHECK: vld4.32
+;Check the (default) alignment.
+;CHECK: vld4.32 {d17[0], d19[0], d21[0], d23[0]}, [{{r[0-9]+}}]
%tmp0 = bitcast i32* %A to i8*
%tmp1 = load <4 x i32>* %B
- %tmp2 = call %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 1, i32 1)
+ %tmp2 = call %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1)
%tmp3 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 0
%tmp4 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 1
%tmp5 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 2
declare %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8*, <8 x i16>, <8 x i16>, <8 x i16>, <8 x i16>, i32, i32) nounwind readonly
declare %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8*, <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32>, i32, i32) nounwind readonly
declare %struct.__neon_float32x4x4_t @llvm.arm.neon.vld4lane.v4f32(i8*, <4 x float>, <4 x float>, <4 x float>, <4 x float>, i32, i32) nounwind readonly
+
+; Radar 8776599: If one of the operands to a QQQQ REG_SEQUENCE is a register
+; in the QPR_VFP2 regclass, it needs to be copied to a QPR regclass because
+; we don't currently have a QQQQ_VFP2 super-regclass. (The "0" for the low
+; part of %ins67 is supposed to be loaded by a VLDRS instruction in this test.)
+define <8 x i16> @test_qqqq_regsequence_subreg([6 x i64] %b) nounwind {
+;CHECK: test_qqqq_regsequence_subreg
+;CHECK: vld3.16
+ %tmp63 = extractvalue [6 x i64] %b, 5
+ %tmp64 = zext i64 %tmp63 to i128
+ %tmp65 = shl i128 %tmp64, 64
+ %ins67 = or i128 %tmp65, 0
+ %tmp78 = bitcast i128 %ins67 to <8 x i16>
+ %vld3_lane = tail call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* undef, <8 x i16> undef, <8 x i16> undef, <8 x i16> %tmp78, i32 1, i32 2)
+ %tmp3 = extractvalue %struct.__neon_int16x8x3_t %vld3_lane, 0
+ %tmp4 = extractvalue %struct.__neon_int16x8x3_t %vld3_lane, 1
+ %tmp5 = extractvalue %struct.__neon_int16x8x3_t %vld3_lane, 2
+ %tmp6 = add <8 x i16> %tmp3, %tmp4
+ %tmp7 = add <8 x i16> %tmp5, %tmp6
+ ret <8 x i16> %tmp7
+}
+
+declare void @llvm.trap() nounwind
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