llvm-6502/test/CodeGen/X86/avx-trunc.ll
Benjamin Kramer bb41c75ab5 X86: Custom lower sext v16i8 to v16i16, and the corresponding truncate.
Also update the cost model.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193270 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 21:06:07 +00:00

21 lines
610 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
define <4 x i32> @trunc_64_32(<4 x i64> %A) nounwind uwtable readnone ssp{
; CHECK: trunc_64_32
; CHECK: pshufd
%B = trunc <4 x i64> %A to <4 x i32>
ret <4 x i32>%B
}
define <8 x i16> @trunc_32_16(<8 x i32> %A) nounwind uwtable readnone ssp{
; CHECK: trunc_32_16
; CHECK: pshufb
%B = trunc <8 x i32> %A to <8 x i16>
ret <8 x i16>%B
}
define <16 x i8> @trunc_16_8(<16 x i16> %A) nounwind uwtable readnone ssp{
; CHECK-LABEL: trunc_16_8
; CHECK: pshufb
%B = trunc <16 x i16> %A to <16 x i8>
ret <16 x i8> %B
}