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73 lines
2.4 KiB
LLVM
73 lines
2.4 KiB
LLVM
; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
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define <16 x i8> @vcombine8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
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; CHECK: vcombine8
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; CHECK: vmov r0, r1, d16
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; CHECK: vmov r2, r3, d17
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%tmp1 = load <8 x i8>* %A
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%tmp2 = load <8 x i8>* %B
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%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vcombine16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
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; CHECK: vcombine16
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; CHECK: vmov r0, r1, d16
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; CHECK: vmov r2, r3, d17
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%tmp1 = load <4 x i16>* %A
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%tmp2 = load <4 x i16>* %B
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%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vcombine32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
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; CHECK: vcombine32
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; CHECK: vmov r0, r1, d16
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; CHECK: vmov r2, r3, d17
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%tmp1 = load <2 x i32>* %A
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%tmp2 = load <2 x i32>* %B
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%tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x i32> %tmp3
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}
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define <4 x float> @vcombinefloat(<2 x float>* %A, <2 x float>* %B) nounwind {
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; CHECK: vcombinefloat
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; CHECK: vmov r0, r1, d16
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; CHECK: vmov r2, r3, d17
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%tmp1 = load <2 x float>* %A
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%tmp2 = load <2 x float>* %B
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%tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x float> %tmp3
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}
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define <2 x i64> @vcombine64(<1 x i64>* %A, <1 x i64>* %B) nounwind {
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; CHECK: vcombine64
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; CHECK: vmov r0, r1, d16
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; CHECK: vmov r2, r3, d17
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%tmp1 = load <1 x i64>* %A
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%tmp2 = load <1 x i64>* %B
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%tmp3 = shufflevector <1 x i64> %tmp1, <1 x i64> %tmp2, <2 x i32> <i32 0, i32 1>
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ret <2 x i64> %tmp3
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}
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; Check for vget_low and vget_high implemented with shufflevector. PR8411.
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; They should not require storing to the stack.
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define <4 x i16> @vget_low16(<8 x i16>* %A) nounwind {
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; CHECK: vget_low16
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; CHECK-NOT: vst
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; CHECK: vmov r0, r1, d16
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%tmp1 = load <8 x i16>* %A
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%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x i16> %tmp2
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}
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define <8 x i8> @vget_high8(<16 x i8>* %A) nounwind {
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; CHECK: vget_high8
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; CHECK-NOT: vst
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; CHECK: vmov r0, r1, d17
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%tmp1 = load <16 x i8>* %A
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%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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ret <8 x i8> %tmp2
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}
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