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llvm-6502/test/CodeGen/ARM/unaligned_load_store_vector.ll
Evan Cheng d10eab0a95 Use vld1 / vst2 for unaligned v2f64 load / store. e.g. Use vld1.16 for 2-byte 
aligned address. Based on patch by David Peixotto.

Also use vld1.64 / vst1.64 with 128-bit alignment to take advantage of alignment
hints. rdar://12090772, rdar://12238782


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 01:42:45 +00:00

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;RUN: llc < %s -march=arm -mattr=+v7 -mattr=+neon | FileCheck %s
;ALIGN = 1
;SIZE = 64
;TYPE = <8 x i8>
define void @v64_v8i8_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v8i8_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i8>*
%vo = bitcast i8* %po to <8 x i8>*
;CHECK: vld1.8
%v1 = load <8 x i8>* %vi, align 1
;CHECK: vst1.8
store <8 x i8> %v1, <8 x i8>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 64
;TYPE = <4 x i16>
define void @v64_v4i16_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v4i16_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i16>*
%vo = bitcast i8* %po to <4 x i16>*
;CHECK: vld1.8
%v1 = load <4 x i16>* %vi, align 1
;CHECK: vst1.8
store <4 x i16> %v1, <4 x i16>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 64
;TYPE = <2 x i32>
define void @v64_v2i32_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2i32_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i32>*
%vo = bitcast i8* %po to <2 x i32>*
;CHECK: vld1.8
%v1 = load <2 x i32>* %vi, align 1
;CHECK: vst1.8
store <2 x i32> %v1, <2 x i32>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 64
;TYPE = <2 x float>
define void @v64_v2f32_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2f32_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x float>*
%vo = bitcast i8* %po to <2 x float>*
;CHECK: vld1.8
%v1 = load <2 x float>* %vi, align 1
;CHECK: vst1.8
store <2 x float> %v1, <2 x float>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 128
;TYPE = <16 x i8>
define void @v128_v16i8_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v16i8_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <16 x i8>*
%vo = bitcast i8* %po to <16 x i8>*
;CHECK: vld1.8
%v1 = load <16 x i8>* %vi, align 1
;CHECK: vst1.8
store <16 x i8> %v1, <16 x i8>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 128
;TYPE = <8 x i16>
define void @v128_v8i16_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v8i16_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i16>*
%vo = bitcast i8* %po to <8 x i16>*
;CHECK: vld1.8
%v1 = load <8 x i16>* %vi, align 1
;CHECK: vst1.8
store <8 x i16> %v1, <8 x i16>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 128
;TYPE = <4 x i32>
define void @v128_v4i32_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4i32_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i32>*
%vo = bitcast i8* %po to <4 x i32>*
;CHECK: vld1.8
%v1 = load <4 x i32>* %vi, align 1
;CHECK: vst1.8
store <4 x i32> %v1, <4 x i32>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 128
;TYPE = <2 x i64>
define void @v128_v2i64_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v2i64_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i64>*
%vo = bitcast i8* %po to <2 x i64>*
;CHECK: vld1.8
%v1 = load <2 x i64>* %vi, align 1
;CHECK: vst1.8
store <2 x i64> %v1, <2 x i64>* %vo, align 1
ret void
}
;ALIGN = 1
;SIZE = 128
;TYPE = <4 x float>
define void @v128_v4f32_1(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4f32_1:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x float>*
%vo = bitcast i8* %po to <4 x float>*
;CHECK: vld1.8
%v1 = load <4 x float>* %vi, align 1
;CHECK: vst1.8
store <4 x float> %v1, <4 x float>* %vo, align 1
ret void
}
;ALIGN = 2
;SIZE = 64
;TYPE = <8 x i8>
define void @v64_v8i8_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v8i8_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i8>*
%vo = bitcast i8* %po to <8 x i8>*
;CHECK: vld1.16
%v1 = load <8 x i8>* %vi, align 2
;CHECK: vst1.16
store <8 x i8> %v1, <8 x i8>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 64
;TYPE = <4 x i16>
define void @v64_v4i16_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v4i16_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i16>*
%vo = bitcast i8* %po to <4 x i16>*
;CHECK: vld1.16
%v1 = load <4 x i16>* %vi, align 2
;CHECK: vst1.16
store <4 x i16> %v1, <4 x i16>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 64
;TYPE = <2 x i32>
define void @v64_v2i32_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2i32_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i32>*
%vo = bitcast i8* %po to <2 x i32>*
;CHECK: vld1.16
%v1 = load <2 x i32>* %vi, align 2
;CHECK: vst1.16
store <2 x i32> %v1, <2 x i32>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 64
;TYPE = <2 x float>
define void @v64_v2f32_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2f32_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x float>*
%vo = bitcast i8* %po to <2 x float>*
;CHECK: vld1.16
%v1 = load <2 x float>* %vi, align 2
;CHECK: vst1.16
store <2 x float> %v1, <2 x float>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 128
;TYPE = <16 x i8>
define void @v128_v16i8_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v16i8_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <16 x i8>*
%vo = bitcast i8* %po to <16 x i8>*
;CHECK: vld1.16
%v1 = load <16 x i8>* %vi, align 2
;CHECK: vst1.16
store <16 x i8> %v1, <16 x i8>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 128
;TYPE = <8 x i16>
define void @v128_v8i16_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v8i16_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i16>*
%vo = bitcast i8* %po to <8 x i16>*
;CHECK: vld1.16
%v1 = load <8 x i16>* %vi, align 2
;CHECK: vst1.16
store <8 x i16> %v1, <8 x i16>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 128
;TYPE = <4 x i32>
define void @v128_v4i32_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4i32_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i32>*
%vo = bitcast i8* %po to <4 x i32>*
;CHECK: vld1.16
%v1 = load <4 x i32>* %vi, align 2
;CHECK: vst1.16
store <4 x i32> %v1, <4 x i32>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 128
;TYPE = <2 x i64>
define void @v128_v2i64_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v2i64_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i64>*
%vo = bitcast i8* %po to <2 x i64>*
;CHECK: vld1.16
%v1 = load <2 x i64>* %vi, align 2
;CHECK: vst1.16
store <2 x i64> %v1, <2 x i64>* %vo, align 2
ret void
}
;ALIGN = 2
;SIZE = 128
;TYPE = <4 x float>
define void @v128_v4f32_2(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4f32_2:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x float>*
%vo = bitcast i8* %po to <4 x float>*
;CHECK: vld1.16
%v1 = load <4 x float>* %vi, align 2
;CHECK: vst1.16
store <4 x float> %v1, <4 x float>* %vo, align 2
ret void
}
;ALIGN = 4
;SIZE = 64
;TYPE = <8 x i8>
define void @v64_v8i8_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v8i8_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i8>*
%vo = bitcast i8* %po to <8 x i8>*
;CHECK: vldr
%v1 = load <8 x i8>* %vi, align 4
;CHECK: vstr
store <8 x i8> %v1, <8 x i8>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 64
;TYPE = <4 x i16>
define void @v64_v4i16_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v4i16_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i16>*
%vo = bitcast i8* %po to <4 x i16>*
;CHECK: vldr
%v1 = load <4 x i16>* %vi, align 4
;CHECK: vstr
store <4 x i16> %v1, <4 x i16>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 64
;TYPE = <2 x i32>
define void @v64_v2i32_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2i32_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i32>*
%vo = bitcast i8* %po to <2 x i32>*
;CHECK: vldr
%v1 = load <2 x i32>* %vi, align 4
;CHECK: vstr
store <2 x i32> %v1, <2 x i32>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 64
;TYPE = <2 x float>
define void @v64_v2f32_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v64_v2f32_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x float>*
%vo = bitcast i8* %po to <2 x float>*
;CHECK: vldr
%v1 = load <2 x float>* %vi, align 4
;CHECK: vstr
store <2 x float> %v1, <2 x float>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 128
;TYPE = <16 x i8>
define void @v128_v16i8_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v16i8_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <16 x i8>*
%vo = bitcast i8* %po to <16 x i8>*
;CHECK: vld1.32
%v1 = load <16 x i8>* %vi, align 4
;CHECK: vst1.32
store <16 x i8> %v1, <16 x i8>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 128
;TYPE = <8 x i16>
define void @v128_v8i16_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v8i16_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <8 x i16>*
%vo = bitcast i8* %po to <8 x i16>*
;CHECK: vld1.32
%v1 = load <8 x i16>* %vi, align 4
;CHECK: vst1.32
store <8 x i16> %v1, <8 x i16>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 128
;TYPE = <4 x i32>
define void @v128_v4i32_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4i32_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x i32>*
%vo = bitcast i8* %po to <4 x i32>*
;CHECK: vld1.32
%v1 = load <4 x i32>* %vi, align 4
;CHECK: vst1.32
store <4 x i32> %v1, <4 x i32>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 128
;TYPE = <2 x i64>
define void @v128_v2i64_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v2i64_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <2 x i64>*
%vo = bitcast i8* %po to <2 x i64>*
;CHECK: vld1.32
%v1 = load <2 x i64>* %vi, align 4
;CHECK: vst1.32
store <2 x i64> %v1, <2 x i64>* %vo, align 4
ret void
}
;ALIGN = 4
;SIZE = 128
;TYPE = <4 x float>
define void @v128_v4f32_4(i8* noalias nocapture %out, i8* noalias nocapture %in) nounwind {
;CHECK: v128_v4f32_4:
entry:
%po = getelementptr i8* %out, i32 0
%pi = getelementptr i8* %in, i32 0
%vi = bitcast i8* %pi to <4 x float>*
%vo = bitcast i8* %po to <4 x float>*
;CHECK: vld1.32
%v1 = load <4 x float>* %vi, align 4
;CHECK: vst1.32
store <4 x float> %v1, <4 x float>* %vo, align 4
ret void
}
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