-; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
+; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
define void @vst2i8(i8* %A, <8 x i8>* %B) nounwind {
-;CHECK: vst2i8:
-;CHECK: vst2.8
- %tmp1 = load <8 x i8>* %B
- call void @llvm.arm.neon.vst2.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1)
+;CHECK-LABEL: vst2i8:
+;Check the alignment value. Max for this instruction is 128 bits:
+;CHECK: vst2.8 {d16, d17}, [r0:64]
+ %tmp1 = load <8 x i8>, <8 x i8>* %B
+ call void @llvm.arm.neon.vst2.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 8)
+ ret void
+}
+
+;Check for a post-increment updating store with register increment.
+define void @vst2i8_update(i8** %ptr, <8 x i8>* %B, i32 %inc) nounwind {
+;CHECK-LABEL: vst2i8_update:
+;CHECK: vst2.8 {d16, d17}, [r1], r2
+ %A = load i8*, i8** %ptr
+ %tmp1 = load <8 x i8>, <8 x i8>* %B
+ call void @llvm.arm.neon.vst2.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 4)
+ %tmp2 = getelementptr i8, i8* %A, i32 %inc
+ store i8* %tmp2, i8** %ptr
ret void
}
define void @vst2i16(i16* %A, <4 x i16>* %B) nounwind {
-;CHECK: vst2i16:
-;CHECK: vst2.16
+;CHECK-LABEL: vst2i16:
+;Check the alignment value. Max for this instruction is 128 bits:
+;CHECK: vst2.16 {d16, d17}, [r0:128]
%tmp0 = bitcast i16* %A to i8*
- %tmp1 = load <4 x i16>* %B
- call void @llvm.arm.neon.vst2.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1)
+ %tmp1 = load <4 x i16>, <4 x i16>* %B
+ call void @llvm.arm.neon.vst2.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 32)
ret void
}
define void @vst2i32(i32* %A, <2 x i32>* %B) nounwind {
-;CHECK: vst2i32:
+;CHECK-LABEL: vst2i32:
;CHECK: vst2.32
%tmp0 = bitcast i32* %A to i8*
- %tmp1 = load <2 x i32>* %B
- call void @llvm.arm.neon.vst2.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1)
+ %tmp1 = load <2 x i32>, <2 x i32>* %B
+ call void @llvm.arm.neon.vst2.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1)
ret void
}
define void @vst2f(float* %A, <2 x float>* %B) nounwind {
-;CHECK: vst2f:
+;CHECK-LABEL: vst2f:
;CHECK: vst2.32
%tmp0 = bitcast float* %A to i8*
- %tmp1 = load <2 x float>* %B
- call void @llvm.arm.neon.vst2.v2f32(i8* %tmp0, <2 x float> %tmp1, <2 x float> %tmp1)
+ %tmp1 = load <2 x float>, <2 x float>* %B
+ call void @llvm.arm.neon.vst2.v2f32(i8* %tmp0, <2 x float> %tmp1, <2 x float> %tmp1, i32 1)
ret void
}
define void @vst2i64(i64* %A, <1 x i64>* %B) nounwind {
-;CHECK: vst2i64:
-;CHECK: vst1.64
+;CHECK-LABEL: vst2i64:
+;Check the alignment value. Max for this instruction is 128 bits:
+;CHECK: vst1.64 {d16, d17}, [r0:128]
+ %tmp0 = bitcast i64* %A to i8*
+ %tmp1 = load <1 x i64>, <1 x i64>* %B
+ call void @llvm.arm.neon.vst2.v1i64(i8* %tmp0, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 32)
+ ret void
+}
+
+;Check for a post-increment updating store.
+define void @vst2i64_update(i64** %ptr, <1 x i64>* %B) nounwind {
+;CHECK-LABEL: vst2i64_update:
+;CHECK: vst1.64 {d16, d17}, [r1:64]!
+ %A = load i64*, i64** %ptr
%tmp0 = bitcast i64* %A to i8*
- %tmp1 = load <1 x i64>* %B
- call void @llvm.arm.neon.vst2.v1i64(i8* %tmp0, <1 x i64> %tmp1, <1 x i64> %tmp1)
+ %tmp1 = load <1 x i64>, <1 x i64>* %B
+ call void @llvm.arm.neon.vst2.v1i64(i8* %tmp0, <1 x i64> %tmp1, <1 x i64> %tmp1, i32 8)
+ %tmp2 = getelementptr i64, i64* %A, i32 2
+ store i64* %tmp2, i64** %ptr
ret void
}
define void @vst2Qi8(i8* %A, <16 x i8>* %B) nounwind {
-;CHECK: vst2Qi8:
-;CHECK: vst2.8
- %tmp1 = load <16 x i8>* %B
- call void @llvm.arm.neon.vst2.v16i8(i8* %A, <16 x i8> %tmp1, <16 x i8> %tmp1)
+;CHECK-LABEL: vst2Qi8:
+;Check the alignment value. Max for this instruction is 256 bits:
+;CHECK: vst2.8 {d16, d17, d18, d19}, [r0:64]
+ %tmp1 = load <16 x i8>, <16 x i8>* %B
+ call void @llvm.arm.neon.vst2.v16i8(i8* %A, <16 x i8> %tmp1, <16 x i8> %tmp1, i32 8)
ret void
}
define void @vst2Qi16(i16* %A, <8 x i16>* %B) nounwind {
-;CHECK: vst2Qi16:
-;CHECK: vst2.16
+;CHECK-LABEL: vst2Qi16:
+;Check the alignment value. Max for this instruction is 256 bits:
+;CHECK: vst2.16 {d16, d17, d18, d19}, [r0:128]
%tmp0 = bitcast i16* %A to i8*
- %tmp1 = load <8 x i16>* %B
- call void @llvm.arm.neon.vst2.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1)
+ %tmp1 = load <8 x i16>, <8 x i16>* %B
+ call void @llvm.arm.neon.vst2.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 16)
ret void
}
define void @vst2Qi32(i32* %A, <4 x i32>* %B) nounwind {
-;CHECK: vst2Qi32:
-;CHECK: vst2.32
+;CHECK-LABEL: vst2Qi32:
+;Check the alignment value. Max for this instruction is 256 bits:
+;CHECK: vst2.32 {d16, d17, d18, d19}, [r0:256]
%tmp0 = bitcast i32* %A to i8*
- %tmp1 = load <4 x i32>* %B
- call void @llvm.arm.neon.vst2.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1)
+ %tmp1 = load <4 x i32>, <4 x i32>* %B
+ call void @llvm.arm.neon.vst2.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 64)
ret void
}
define void @vst2Qf(float* %A, <4 x float>* %B) nounwind {
-;CHECK: vst2Qf:
+;CHECK-LABEL: vst2Qf:
;CHECK: vst2.32
%tmp0 = bitcast float* %A to i8*
- %tmp1 = load <4 x float>* %B
- call void @llvm.arm.neon.vst2.v4f32(i8* %tmp0, <4 x float> %tmp1, <4 x float> %tmp1)
+ %tmp1 = load <4 x float>, <4 x float>* %B
+ call void @llvm.arm.neon.vst2.v4f32(i8* %tmp0, <4 x float> %tmp1, <4 x float> %tmp1, i32 1)
ret void
}
-declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>) nounwind
-declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>) nounwind
-declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>) nounwind
-declare void @llvm.arm.neon.vst2.v2f32(i8*, <2 x float>, <2 x float>) nounwind
-declare void @llvm.arm.neon.vst2.v1i64(i8*, <1 x i64>, <1 x i64>) nounwind
+define i8* @vst2update(i8* %out, <4 x i16>* %B) nounwind {
+;CHECK-LABEL: vst2update:
+;CHECK: vst2.16 {d16, d17}, [r0]!
+ %tmp1 = load <4 x i16>, <4 x i16>* %B
+ tail call void @llvm.arm.neon.vst2.v4i16(i8* %out, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 2)
+ %t5 = getelementptr inbounds i8, i8* %out, i32 16
+ ret i8* %t5
+}
+
+define i8* @vst2update2(i8 * %out, <4 x float> * %this) nounwind optsize ssp align 2 {
+;CHECK-LABEL: vst2update2:
+;CHECK: vst2.32 {d16, d17, d18, d19}, [r0]!
+ %tmp1 = load <4 x float>, <4 x float>* %this
+ call void @llvm.arm.neon.vst2.v4f32(i8* %out, <4 x float> %tmp1, <4 x float> %tmp1, i32 4) nounwind
+ %tmp2 = getelementptr inbounds i8, i8* %out, i32 32
+ ret i8* %tmp2
+}
+
+declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v2f32(i8*, <2 x float>, <2 x float>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v1i64(i8*, <1 x i64>, <1 x i64>, i32) nounwind
-declare void @llvm.arm.neon.vst2.v16i8(i8*, <16 x i8>, <16 x i8>) nounwind
-declare void @llvm.arm.neon.vst2.v8i16(i8*, <8 x i16>, <8 x i16>) nounwind
-declare void @llvm.arm.neon.vst2.v4i32(i8*, <4 x i32>, <4 x i32>) nounwind
-declare void @llvm.arm.neon.vst2.v4f32(i8*, <4 x float>, <4 x float>) nounwind
+declare void @llvm.arm.neon.vst2.v16i8(i8*, <16 x i8>, <16 x i8>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v8i16(i8*, <8 x i16>, <8 x i16>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v4i32(i8*, <4 x i32>, <4 x i32>, i32) nounwind
+declare void @llvm.arm.neon.vst2.v4f32(i8*, <4 x float>, <4 x float>, i32) nounwind
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