llvm-project/llvm/test/CodeGen/X86/absdiff_256.ll

30 lines
879 B
LLVM

; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
declare <16 x i16> @llvm.sabsdiff.v16i16(<16 x i16>, <16 x i16>)
define <16 x i16> @test_sabsdiff_v16i16_expand(<16 x i16> %a1, <16 x i16> %a2) {
; CHECK-LABEL: test_sabsdiff_v16i16_expand:
; CHECK: # BB#0:
; CHECK: psubw
; CHECK: pxor
; CHECK: pcmpgtw
; CHECK: movdqa
; CHECK: pandn
; CHECK: pxor
; CHECK: psubw
; CHECK: pcmpeqd
; CHECK: pxor
; CHECK: pandn
; CHECK: por
; CHECK: pcmpgtw
; CHECK-DAG: psubw {{%xmm[0-9]+}}, [[SRC:%xmm[0-9]+]]
; CHECK-DAG: pxor {{%xmm[0-9]+}}, [[DST:%xmm[0-9]+]]
; CHECK: pandn [[SRC]], [[DST]]
; CHECK: por
; CHECK: movdqa
; CHECK: retq
%1 = call <16 x i16> @llvm.sabsdiff.v16i16(<16 x i16> %a1, <16 x i16> %a2)
ret <16 x i16> %1
}