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b7dd0ff204
A reverse shuffle is lowered to a vrev and possibly a vext instruction (quad word). radar://13171406 llvm-svn: 174933
41 lines
1.9 KiB
LLVM
41 lines
1.9 KiB
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=thumbv7-apple-ios6.0.0 -mcpu=swift | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
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target triple = "thumbv7-apple-ios6.0.0"
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; CHECK: shuffle
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define void @shuffle() {
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;; Reverse shuffles should be lowered to vrev and possibly a vext (for
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;; quadwords)
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; Vector values
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; CHECK: cost of 1 {{.*}} shuffle
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%v7 = shufflevector <2 x i8> undef, <2 x i8>undef, <2 x i32> <i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v8 = shufflevector <4 x i8> undef, <4 x i8>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v9 = shufflevector <8 x i8> undef, <8 x i8>undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 2 {{.*}} shuffle
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%v10 = shufflevector <16 x i8> undef, <16 x i8>undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v11 = shufflevector <2 x i16> undef, <2 x i16>undef, <2 x i32> <i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v12 = shufflevector <4 x i16> undef, <4 x i16>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 2 {{.*}} shuffle
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%v13 = shufflevector <8 x i16> undef, <8 x i16>undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v14 = shufflevector <2 x i32> undef, <2 x i32>undef, <2 x i32> <i32 1, i32 0>
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; CHECK: cost of 2 {{.*}} shuffle
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%v15 = shufflevector <4 x i32> undef, <4 x i32>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
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; CHECK: cost of 1 {{.*}} shuffle
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%v16 = shufflevector <2 x float> undef, <2 x float>undef, <2 x i32> <i32 1, i32 0>
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; CHECK: cost of 2 {{.*}} shuffle
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%v17 = shufflevector <4 x float> undef, <4 x float>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
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ret void
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}
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