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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156059 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
1.3 KiB
LLVM
29 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 -mattr=+avx2 | FileCheck %s
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; Make sure that we don't match this shuffle using the vpblendw YMM instruction.
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; The mask for the vpblendw instruction needs to be identical for both halves
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; of the YMM. Need to use two vpblendw instructions.
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; CHECK: blendw1
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; CHECK: vpblendw
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; CHECK: vpblendw
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; CHECK: ret
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define <16 x i16> @blendw1(<16 x i16> %a, <16 x i16> %b) nounwind alwaysinline {
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%t = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 17, i32 18, i32 3, i32 20, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 31>
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ret <16 x i16> %t
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}
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; CHECK: vpshufhw $27, %ymm
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define <16 x i16> @vpshufhw(<16 x i16> %src1) nounwind uwtable readnone ssp {
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entry:
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%shuffle.i = shufflevector <16 x i16> %src1, <16 x i16> %src1, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 7, i32 6, i32 5, i32 4, i32 8, i32 9, i32 10, i32 11, i32 15, i32 14, i32 13, i32 12>
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ret <16 x i16> %shuffle.i
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}
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; CHECK: vpshuflw $27, %ymm
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define <16 x i16> @vpshuflw(<16 x i16> %src1) nounwind uwtable readnone ssp {
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entry:
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%shuffle.i = shufflevector <16 x i16> %src1, <16 x i16> %src1, <16 x i32> <i32 3, i32 undef, i32 1, i32 0, i32 4, i32 5, i32 6, i32 7, i32 11, i32 10, i32 9, i32 8, i32 12, i32 13, i32 14, i32 15>
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ret <16 x i16> %shuffle.i
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}
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