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3ae98150e3
Truncating v4i64 -> v4i32 and v8i32 -> v8i16 may be done with set of shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149485 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
448 B
LLVM
Executable File
16 lines
448 B
LLVM
Executable File
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
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define <4 x i32> @trunc_64_32(<4 x i64> %A) nounwind uwtable readnone ssp{
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; CHECK: trunc_64_32
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; CHECK: pshufd
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%B = trunc <4 x i64> %A to <4 x i32>
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ret <4 x i32>%B
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}
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define <8 x i16> @trunc_32_16(<8 x i32> %A) nounwind uwtable readnone ssp{
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; CHECK: trunc_32_16
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; CHECK: pshufb
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%B = trunc <8 x i32> %A to <8 x i16>
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ret <8 x i16>%B
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}
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