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2d100ca13c
vectors. It operates on 128-bit elements instead of regular scalar types. Recognize shuffles that are suitable for VPERM2F128 and teach the x86 legalizer how to handle them. llvm-svn: 137519
63 lines
2.5 KiB
LLVM
63 lines
2.5 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
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; CHECK: vperm2f128 $1
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define <8 x float> @A(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
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ret <8 x float> %shuffle
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}
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; CHECK: vperm2f128 $48
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define <8 x float> @B(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 12, i32 13, i32 14, i32 15>
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ret <8 x float> %shuffle
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}
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; CHECK: vperm2f128 $0
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define <8 x float> @C(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3>
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ret <8 x float> %shuffle
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}
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; CHECK: vperm2f128 $17
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define <8 x float> @D(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 4, i32 5, i32 6, i32 7>
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ret <8 x float> %shuffle
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}
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; CHECK: vperm2f128 $17
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define <32 x i8> @E(<32 x i8> %a, <32 x i8> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <32 x i8> %a, <32 x i8> %b, <32 x i32> <i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
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ret <32 x i8> %shuffle
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}
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; CHECK: vperm2f128 $33
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define <4 x i64> @E2(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
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ret <4 x i64> %shuffle
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}
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;;;; Cases with undef indicies mixed in the mask
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; CHECK: vperm2f128 $33
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define <8 x float> @F(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 undef, i32 undef, i32 6, i32 7, i32 undef, i32 9, i32 undef, i32 11>
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ret <8 x float> %shuffle
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}
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;;;; Cases we must not select vperm2f128
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; CHECK: _G
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; CHECK-NOT: vperm2f128
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define <8 x float> @G(<8 x float> %a, <8 x float> %b) nounwind uwtable readnone ssp {
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entry:
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%shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 undef, i32 undef, i32 6, i32 7, i32 undef, i32 12, i32 undef, i32 15>
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ret <8 x float> %shuffle
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}
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