From f3dc6d4c2003dce6e3e11d9e37b5b8db0b915f18 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Thu, 28 Mar 2019 15:30:09 +0000
Subject: [PATCH] [x86] add vector test for sext of negate; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@357177 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/vector-sext.ll | 86 +++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/test/CodeGen/X86/vector-sext.ll b/test/CodeGen/X86/vector-sext.ll
index a01efcbf17c..d99c370d5a3 100644
--- a/test/CodeGen/X86/vector-sext.ll
+++ b/test/CodeGen/X86/vector-sext.ll
@@ -6335,3 +6335,89 @@ entry:
   %e = sext <8 x i6> %d to <8 x i64>
   ret <8 x i64> %e
 }
+
+define <8 x i32> @zext_negate_sext(<8 x i8> %x) {
+; SSE2-LABEL: zext_negate_sext:
+; SSE2:       # %bb.0:
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    psubw %xmm0, %xmm1
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_negate_sext:
+; SSSE3:       # %bb.0:
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSSE3-NEXT:    pxor %xmm1, %xmm1
+; SSSE3-NEXT:    psubw %xmm0, %xmm1
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSSE3-NEXT:    psrad $16, %xmm0
+; SSSE3-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    psrad $16, %xmm1
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_negate_sext:
+; SSE41:       # %bb.0:
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE41-NEXT:    pxor %xmm1, %xmm1
+; SSE41-NEXT:    psubw %xmm0, %xmm1
+; SSE41-NEXT:    pmovsxwd %xmm1, %xmm0
+; SSE41-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
+; SSE41-NEXT:    pmovsxwd %xmm1, %xmm1
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext_negate_sext:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpsubw %xmm0, %xmm1, %xmm0
+; AVX1-NEXT:    vpmovsxwd %xmm0, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX1-NEXT:    vpmovsxwd %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext_negate_sext:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpsubw %xmm0, %xmm1, %xmm0
+; AVX2-NEXT:    vpmovsxwd %xmm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: zext_negate_sext:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX512-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512-NEXT:    vpsubw %xmm0, %xmm1, %xmm0
+; AVX512-NEXT:    vpmovsxwd %xmm0, %ymm0
+; AVX512-NEXT:    retq
+;
+; X32-SSE2-LABEL: zext_negate_sext:
+; X32-SSE2:       # %bb.0:
+; X32-SSE2-NEXT:    pand {{\.LCPI.*}}, %xmm0
+; X32-SSE2-NEXT:    pxor %xmm1, %xmm1
+; X32-SSE2-NEXT:    psubw %xmm0, %xmm1
+; X32-SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; X32-SSE2-NEXT:    psrad $16, %xmm0
+; X32-SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; X32-SSE2-NEXT:    psrad $16, %xmm1
+; X32-SSE2-NEXT:    retl
+;
+; X32-SSE41-LABEL: zext_negate_sext:
+; X32-SSE41:       # %bb.0:
+; X32-SSE41-NEXT:    pand {{\.LCPI.*}}, %xmm0
+; X32-SSE41-NEXT:    pxor %xmm1, %xmm1
+; X32-SSE41-NEXT:    psubw %xmm0, %xmm1
+; X32-SSE41-NEXT:    pmovsxwd %xmm1, %xmm0
+; X32-SSE41-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[2,3,0,1]
+; X32-SSE41-NEXT:    pmovsxwd %xmm1, %xmm1
+; X32-SSE41-NEXT:    retl
+  %z = zext <8 x i8> %x to <8 x i16>
+  %neg = sub nsw <8 x i16> zeroinitializer, %z
+  %r = sext <8 x i16> %neg to <8 x i32>
+  ret <8 x i32> %r
+}
-- 
2.40.0