From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 25 Jul 2015 11:17:35 +0000 (+0000)
Subject: [X86][SSE] Added additional vector sign/zero extension tests.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=af824151a154f3888795c839babb92a9dc7569a0;p=oota-llvm.git

[X86][SSE] Added additional vector sign/zero extension tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243212 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/vector-sext.ll b/test/CodeGen/X86/vector-sext.ll
index 8e79493ddd0..5938b56acb5 100644
--- a/test/CodeGen/X86/vector-sext.ll
+++ b/test/CodeGen/X86/vector-sext.ll
@@ -7,6 +7,337 @@
 ; Just one 32-bit run to make sure we do reasonable things there.
 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=i686 -mattr=+sse4.1 | FileCheck %s --check-prefix=X32-SSE41
 
+define <8 x i16> @sext_16i8_to_8i16(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_8i16:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psraw $8, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_8i16:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    psraw $8, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_8i16:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbw %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_16i8_to_8i16:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxbw %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_8i16:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbw %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %C = sext <8 x i8> %B to <8 x i16>
+  ret <8 x i16> %C
+}
+
+define <16 x i16> @sext_16i8_to_16i16(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_16i16:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSE2-NEXT:    psraw $8, %xmm2
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT:    psraw $8, %xmm1
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_16i16:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSSE3-NEXT:    psraw $8, %xmm2
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT:    psraw $8, %xmm1
+; SSSE3-NEXT:    movdqa %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_16i16:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbw %xmm0, %xmm2
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE41-NEXT:    pmovsxbw %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: sext_16i8_to_16i16:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX1-NEXT:    vpmovsxbw %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: sext_16i8_to_16i16:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovsxbw %xmm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_16i16:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbw %xmm0, %xmm2
+; X32-SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; X32-SSE41-NEXT:    pmovsxbw %xmm0, %xmm1
+; X32-SSE41-NEXT:    movdqa %xmm2, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = sext <16 x i8> %A to <16 x i16>
+  ret <16 x i16> %B
+}
+
+define <4 x i32> @sext_16i8_to_4i32(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_4i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $24, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_4i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT:    psrad $24, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_4i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbd %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_16i8_to_4i32:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxbd %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_4i32:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbd %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = sext <4 x i8> %B to <4 x i32>
+  ret <4 x i32> %C
+}
+
+define <8 x i32> @sext_16i8_to_8i32(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_8i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1],xmm2[2],xmm1[2],xmm2[3],xmm1[3]
+; SSE2-NEXT:    psrad $24, %xmm2
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT:    psrad $24, %xmm1
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_8i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1],xmm2[2],xmm1[2],xmm2[3],xmm1[3]
+; SSSE3-NEXT:    psrad $24, %xmm2
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT:    psrad $24, %xmm1
+; SSSE3-NEXT:    movdqa %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_8i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbd %xmm0, %xmm2
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSE41-NEXT:    pmovsxbd %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: sext_16i8_to_8i32:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovsxbd %xmm0, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; AVX1-NEXT:    vpmovsxbd %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: sext_16i8_to_8i32:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX2-NEXT:    vpslld $24, %ymm0, %ymm0
+; AVX2-NEXT:    vpsrad $24, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_8i32:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbd %xmm0, %xmm2
+; X32-SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; X32-SSE41-NEXT:    pmovsxbd %xmm0, %xmm1
+; X32-SSE41-NEXT:    movdqa %xmm2, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %C = sext <8 x i8> %B to <8 x i32>
+  ret <8 x i32> %C
+}
+
+define <2 x i64> @sext_16i8_to_2i64(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    psrad $24, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    psrad $31, %xmm1
+; SSSE3-NEXT:    psrad $24, %xmm0
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbq %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_16i8_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_2i64:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbq %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <2 x i32> <i32 0, i32 1>
+  %C = sext <2 x i8> %B to <2 x i64>
+  ret <2 x i64> %C
+}
+
+define <4 x i64> @sext_16i8_to_4i64(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_16i8_to_4i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1],xmm2[2],xmm1[2],xmm2[3],xmm1[3]
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    psrad $24, %xmm2
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
+; SSE2-NEXT:    psrld $16, %xmm0
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm0
+; SSE2-NEXT:    psrad $31, %xmm0
+; SSE2-NEXT:    psrad $24, %xmm1
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_16i8_to_4i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1],xmm2[2],xmm1[2],xmm2[3],xmm1[3]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm1
+; SSSE3-NEXT:    psrad $31, %xmm1
+; SSSE3-NEXT:    psrad $24, %xmm2
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
+; SSSE3-NEXT:    psrld $16, %xmm0
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT:    movdqa %xmm1, %xmm0
+; SSSE3-NEXT:    psrad $31, %xmm0
+; SSSE3-NEXT:    psrad $24, %xmm1
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_16i8_to_4i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxbq %xmm0, %xmm2
+; SSE41-NEXT:    psrld $16, %xmm0
+; SSE41-NEXT:    pmovsxbq %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: sext_16i8_to_4i64:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm1
+; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxbq %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: sext_16i8_to_4i64:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpslld $24, %xmm0, %xmm0
+; AVX2-NEXT:    vpsrad $24, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_16i8_to_4i64:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxbq %xmm0, %xmm2
+; X32-SSE41-NEXT:    psrld $16, %xmm0
+; X32-SSE41-NEXT:    pmovsxbq %xmm0, %xmm1
+; X32-SSE41-NEXT:    movdqa %xmm2, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = sext <4 x i8> %B to <4 x i64>
+  ret <4 x i64> %C
+}
+
+define <4 x i32> @sext_8i16_to_4i32(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_8i16_to_4i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_8i16_to_4i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT:    psrad $16, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_8i16_to_4i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxwd %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_8i16_to_4i32:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxwd %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_8i16_to_4i32:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxwd %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = sext <4 x i16> %B to <4 x i32>
+  ret <4 x i32> %C
+}
+
 define <8 x i32> @sext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp {
 ; SSE2-LABEL: sext_8i16_to_8i32:
 ; SSE2:       # BB#0: # %entry
@@ -58,7 +389,151 @@ define <8 x i32> @sext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp
 ; X32-SSE41-NEXT:    retl
 entry:
   %B = sext <8 x i16> %A to <8 x i32>
-  ret <8 x i32>%B
+  ret <8 x i32> %B
+}
+
+define <2 x i64> @sext_8i16_to_2i64(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_8i16_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_8i16_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    psrad $31, %xmm1
+; SSSE3-NEXT:    psrad $16, %xmm0
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_8i16_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxwq %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_8i16_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_8i16_to_2i64:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxwq %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <2 x i32> <i32 0, i32 1>
+  %C = sext <2 x i16> %B to <2 x i64>
+  ret <2 x i64> %C
+}
+
+define <4 x i64> @sext_8i16_to_4i64(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_8i16_to_4i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3]
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    psrad $16, %xmm2
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT:    movdqa %xmm1, %xmm0
+; SSE2-NEXT:    psrad $31, %xmm0
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_8i16_to_4i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm1
+; SSSE3-NEXT:    psrad $31, %xmm1
+; SSSE3-NEXT:    psrad $16, %xmm2
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSSE3-NEXT:    movdqa %xmm1, %xmm0
+; SSSE3-NEXT:    psrad $31, %xmm0
+; SSSE3-NEXT:    psrad $16, %xmm1
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
+; SSSE3-NEXT:    movdqa %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_8i16_to_4i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxwq %xmm0, %xmm2
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; SSE41-NEXT:    pmovsxwq %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: sext_8i16_to_4i64:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm1
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; AVX1-NEXT:    vpmovsxwq %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: sext_8i16_to_4i64:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vpslld $16, %xmm0, %xmm0
+; AVX2-NEXT:    vpsrad $16, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_8i16_to_4i64:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxwq %xmm0, %xmm2
+; X32-SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,1,2,3]
+; X32-SSE41-NEXT:    pmovsxwq %xmm0, %xmm1
+; X32-SSE41-NEXT:    movdqa %xmm2, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = sext <4 x i16> %B to <4 x i64>
+  ret <4 x i64> %C
+}
+
+define <2 x i64> @sext_4i32_to_2i64(<4 x i32> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: sext_4i32_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: sext_4i32_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    psrad $31, %xmm1
+; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: sext_4i32_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovsxdq %xmm0, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: sext_4i32_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; X32-SSE41-LABEL: sext_4i32_to_2i64:
+; X32-SSE41:       # BB#0: # %entry
+; X32-SSE41-NEXT:    pmovsxdq %xmm0, %xmm0
+; X32-SSE41-NEXT:    retl
+entry:
+  %B = shufflevector <4 x i32> %A, <4 x i32> undef, <2 x i32> <i32 0, i32 1>
+  %C = sext <2 x i32> %B to <2 x i64>
+  ret <2 x i64> %C
 }
 
 define <4 x i64> @sext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp {
@@ -146,7 +621,10 @@ define i32 @sext_2i8_to_i32(<16 x i8> %A) nounwind uwtable readnone ssp {
 ;
 ; X32-SSE41-LABEL: sext_2i8_to_i32:
 ; X32-SSE41:       # BB#0: # %entry
-; X32-SSE41:         pmovsxbw %xmm0, %xmm0
+; X32-SSE41-NEXT:    pushl %eax
+; X32-SSE41-NEXT:  .Ltmp0:
+; X32-SSE41-NEXT:    .cfi_def_cfa_offset 8
+; X32-SSE41-NEXT:    pmovsxbw %xmm0, %xmm0
 ; X32-SSE41-NEXT:    movd %xmm0, %eax
 ; X32-SSE41-NEXT:    popl %edx
 ; X32-SSE41-NEXT:    retl
@@ -157,32 +635,32 @@ entry:
   ret i32 %Bc
 }
 
-define <4 x i32> @load_sext_test1(<4 x i16> *%ptr) {
-; SSE2-LABEL: load_sext_test1:
+define <4 x i32> @load_sext_4i16_to_4i32(<4 x i16> *%ptr) {
+; SSE2-LABEL: load_sext_4i16_to_4i32:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
 ; SSE2-NEXT:    psrad $16, %xmm0
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test1:
+; SSSE3-LABEL: load_sext_4i16_to_4i32:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
 ; SSSE3-NEXT:    psrad $16, %xmm0
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test1:
+; SSE41-LABEL: load_sext_4i16_to_4i32:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxwd (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test1:
+; AVX-LABEL: load_sext_4i16_to_4i32:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxwd (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test1:
+; X32-SSE41-LABEL: load_sext_4i16_to_4i32:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxwd (%eax), %xmm0
@@ -193,8 +671,8 @@ entry:
  ret <4 x i32>%Y
 }
 
-define <4 x i32> @load_sext_test2(<4 x i8> *%ptr) {
-; SSE2-LABEL: load_sext_test2:
+define <4 x i32> @load_sext_4i8_to_4i32(<4 x i8> *%ptr) {
+; SSE2-LABEL: load_sext_4i8_to_4i32:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -202,7 +680,7 @@ define <4 x i32> @load_sext_test2(<4 x i8> *%ptr) {
 ; SSE2-NEXT:    psrad $24, %xmm0
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test2:
+; SSSE3-LABEL: load_sext_4i8_to_4i32:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -210,17 +688,17 @@ define <4 x i32> @load_sext_test2(<4 x i8> *%ptr) {
 ; SSSE3-NEXT:    psrad $24, %xmm0
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test2:
+; SSE41-LABEL: load_sext_4i8_to_4i32:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxbd (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test2:
+; AVX-LABEL: load_sext_4i8_to_4i32:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxbd (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test2:
+; X32-SSE41-LABEL: load_sext_4i8_to_4i32:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxbd (%eax), %xmm0
@@ -231,8 +709,8 @@ entry:
  ret <4 x i32>%Y
 }
 
-define <2 x i64> @load_sext_test3(<2 x i8> *%ptr) {
-; SSE2-LABEL: load_sext_test3:
+define <2 x i64> @load_sext_2i8_to_2i64(<2 x i8> *%ptr) {
+; SSE2-LABEL: load_sext_2i8_to_2i64:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movzwl (%rdi), %eax
 ; SSE2-NEXT:    movd %eax, %xmm0
@@ -244,7 +722,7 @@ define <2 x i64> @load_sext_test3(<2 x i8> *%ptr) {
 ; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test3:
+; SSSE3-LABEL: load_sext_2i8_to_2i64:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movzwl (%rdi), %eax
 ; SSSE3-NEXT:    movd %eax, %xmm0
@@ -256,17 +734,17 @@ define <2 x i64> @load_sext_test3(<2 x i8> *%ptr) {
 ; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test3:
+; SSE41-LABEL: load_sext_2i8_to_2i64:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxbq (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test3:
+; AVX-LABEL: load_sext_2i8_to_2i64:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxbq (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test3:
+; X32-SSE41-LABEL: load_sext_2i8_to_2i64:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxbq (%eax), %xmm0
@@ -277,8 +755,8 @@ entry:
  ret <2 x i64>%Y
 }
 
-define <2 x i64> @load_sext_test4(<2 x i16> *%ptr) {
-; SSE2-LABEL: load_sext_test4:
+define <2 x i64> @load_sext_2i16_to_2i64(<2 x i16> *%ptr) {
+; SSE2-LABEL: load_sext_2i16_to_2i64:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
@@ -288,7 +766,7 @@ define <2 x i64> @load_sext_test4(<2 x i16> *%ptr) {
 ; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test4:
+; SSSE3-LABEL: load_sext_2i16_to_2i64:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
 ; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
@@ -298,17 +776,17 @@ define <2 x i64> @load_sext_test4(<2 x i16> *%ptr) {
 ; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test4:
+; SSE41-LABEL: load_sext_2i16_to_2i64:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxwq (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test4:
+; AVX-LABEL: load_sext_2i16_to_2i64:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxwq (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test4:
+; X32-SSE41-LABEL: load_sext_2i16_to_2i64:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxwq (%eax), %xmm0
@@ -319,8 +797,8 @@ entry:
  ret <2 x i64>%Y
 }
 
-define <2 x i64> @load_sext_test5(<2 x i32> *%ptr) {
-; SSE2-LABEL: load_sext_test5:
+define <2 x i64> @load_sext_2i32_to_2i64(<2 x i32> *%ptr) {
+; SSE2-LABEL: load_sext_2i32_to_2i64:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSE2-NEXT:    movdqa %xmm0, %xmm1
@@ -328,7 +806,7 @@ define <2 x i64> @load_sext_test5(<2 x i32> *%ptr) {
 ; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test5:
+; SSSE3-LABEL: load_sext_2i32_to_2i64:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSSE3-NEXT:    movdqa %xmm0, %xmm1
@@ -336,17 +814,17 @@ define <2 x i64> @load_sext_test5(<2 x i32> *%ptr) {
 ; SSSE3-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test5:
+; SSE41-LABEL: load_sext_2i32_to_2i64:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxdq (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test5:
+; AVX-LABEL: load_sext_2i32_to_2i64:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxdq (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test5:
+; X32-SSE41-LABEL: load_sext_2i32_to_2i64:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxdq (%eax), %xmm0
@@ -357,32 +835,32 @@ entry:
  ret <2 x i64>%Y
 }
 
-define <8 x i16> @load_sext_test6(<8 x i8> *%ptr) {
-; SSE2-LABEL: load_sext_test6:
+define <8 x i16> @load_sext_8i8_to_8i16(<8 x i8> *%ptr) {
+; SSE2-LABEL: load_sext_8i8_to_8i16:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
 ; SSE2-NEXT:    psraw $8, %xmm0
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: load_sext_test6:
+; SSSE3-LABEL: load_sext_8i8_to_8i16:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
 ; SSSE3-NEXT:    psraw $8, %xmm0
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: load_sext_test6:
+; SSE41-LABEL: load_sext_8i8_to_8i16:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxbw (%rdi), %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-LABEL: load_sext_test6:
+; AVX-LABEL: load_sext_8i8_to_8i16:
 ; AVX:       # BB#0: # %entry
 ; AVX-NEXT:    vpmovsxbw (%rdi), %xmm0
 ; AVX-NEXT:    retq
 ;
-; X32-SSE41-LABEL: load_sext_test6:
+; X32-SSE41-LABEL: load_sext_8i8_to_8i16:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxbw (%eax), %xmm0
@@ -460,8 +938,8 @@ define <4 x i64> @sext_4i1_to_4i64(<4 x i1> %mask) {
   ret <4 x i64> %extmask
 }
 
-define <16 x i16> @sext_16i8_to_16i16(<16 x i8> *%ptr) {
-; SSE2-LABEL: sext_16i8_to_16i16:
+define <16 x i16> @load_sext_16i8_to_16i16(<16 x i8> *%ptr) {
+; SSE2-LABEL: load_sext_16i8_to_16i16:
 ; SSE2:       # BB#0: # %entry
 ; SSE2-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -471,7 +949,7 @@ define <16 x i16> @sext_16i8_to_16i16(<16 x i8> *%ptr) {
 ; SSE2-NEXT:    psraw $8, %xmm1
 ; SSE2-NEXT:    retq
 ;
-; SSSE3-LABEL: sext_16i8_to_16i16:
+; SSSE3-LABEL: load_sext_16i8_to_16i16:
 ; SSSE3:       # BB#0: # %entry
 ; SSSE3-NEXT:    movq {{.*#+}} xmm0 = mem[0],zero
 ; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
@@ -481,25 +959,25 @@ define <16 x i16> @sext_16i8_to_16i16(<16 x i8> *%ptr) {
 ; SSSE3-NEXT:    psraw $8, %xmm1
 ; SSSE3-NEXT:    retq
 ;
-; SSE41-LABEL: sext_16i8_to_16i16:
+; SSE41-LABEL: load_sext_16i8_to_16i16:
 ; SSE41:       # BB#0: # %entry
 ; SSE41-NEXT:    pmovsxbw (%rdi), %xmm0
 ; SSE41-NEXT:    pmovsxbw 8(%rdi), %xmm1
 ; SSE41-NEXT:    retq
 ;
-; AVX1-LABEL: sext_16i8_to_16i16:
+; AVX1-LABEL: load_sext_16i8_to_16i16:
 ; AVX1:       # BB#0: # %entry
 ; AVX1-NEXT:    vpmovsxbw (%rdi), %xmm0
 ; AVX1-NEXT:    vpmovsxbw 8(%rdi), %xmm1
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-LABEL: sext_16i8_to_16i16:
+; AVX2-LABEL: load_sext_16i8_to_16i16:
 ; AVX2:       # BB#0: # %entry
 ; AVX2-NEXT:    vpmovsxbw (%rdi), %ymm0
 ; AVX2-NEXT:    retq
 ;
-; X32-SSE41-LABEL: sext_16i8_to_16i16:
+; X32-SSE41-LABEL: load_sext_16i8_to_16i16:
 ; X32-SSE41:       # BB#0: # %entry
 ; X32-SSE41-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-SSE41-NEXT:    pmovsxbw (%eax), %xmm0
diff --git a/test/CodeGen/X86/vector-zext.ll b/test/CodeGen/X86/vector-zext.ll
index b119f5eb89f..b17799fd8c8 100644
--- a/test/CodeGen/X86/vector-zext.ll
+++ b/test/CodeGen/X86/vector-zext.ll
@@ -4,6 +4,281 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
 
+define <8 x i16> @zext_16i8_to_8i16(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_16i8_to_8i16:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_8i16:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pxor %xmm1, %xmm1
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_8i16:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_16i8_to_8i16:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %C = zext <8 x i8> %B to <8 x i16>
+  ret <8 x i16> %C
+}
+
+; PR17654
+define <16 x i16> @zext_16i8_to_16i16(<16 x i8> %A) {
+; SSE2-LABEL: zext_16i8_to_16i16:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    pxor %xmm2, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
+; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_16i16:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    pxor %xmm2, %xmm2
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
+; SSSE3-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_16i16:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    movdqa %xmm0, %xmm1
+; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm0 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; SSE41-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext_16i8_to_16i16:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext_16i8_to_16i16:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; AVX2-NEXT:    retq
+entry:
+  %B = zext <16 x i8> %A to <16 x i16>
+  ret <16 x i16> %B
+}
+
+define <4 x i32> @zext_16i8_to_4i32(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_16i8_to_4i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_4i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pxor %xmm1, %xmm1
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3],xmm0[4],xmm1[4],xmm0[5],xmm1[5],xmm0[6],xmm1[6],xmm0[7],xmm1[7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_4i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_16i8_to_4i32:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = zext <4 x i8> %B to <4 x i32>
+  ret <4 x i32> %C
+}
+
+define <8 x i32> @zext_16i8_to_8i32(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_16i8_to_8i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    movdqa %xmm0, %xmm1
+; SSE2-NEXT:    pxor %xmm2, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_8i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    pxor %xmm2, %xmm2
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_8i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    movdqa %xmm0, %xmm1
+; SSE41-NEXT:    pmovzxbd {{.*#+}} xmm0 = xmm1[0],zero,zero,zero,xmm1[1],zero,zero,zero,xmm1[2],zero,zero,zero,xmm1[3],zero,zero,zero
+; SSE41-NEXT:    punpcklbw {{.*#+}} xmm1 = xmm1[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE41-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm1
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext_16i8_to_8i32:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
+; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX1-NEXT:    vpunpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    vandps {{.*}}(%rip), %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext_16i8_to_8i32:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxbd {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero,xmm0[4],zero,zero,zero,xmm0[5],zero,zero,zero,xmm0[6],zero,zero,zero,xmm0[7],zero,zero,zero
+; AVX2-NEXT:    vpbroadcastd {{.*}}(%rip), %ymm1
+; AVX2-NEXT:    vpand %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %C = zext <8 x i8> %B to <8 x i32>
+  ret <8 x i32> %C
+}
+
+define <2 x i64> @zext_16i8_to_2i64(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_16i8_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0,0,1,1]
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_16i8_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <2 x i32> <i32 0, i32 1>
+  %C = zext <2 x i8> %B to <2 x i64>
+  ret <2 x i64> %C
+}
+
+define <4 x i64> @zext_16i8_to_4i64(<16 x i8> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_16i8_to_4i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    movdqa %xmm0, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3],xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1],xmm2[2],xmm0[2],xmm2[3],xmm0[3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1]
+; SSE2-NEXT:    movdqa {{.*#+}} xmm3 = [255,255]
+; SSE2-NEXT:    pand %xmm3, %xmm2
+; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,2,1]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[2,1,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm0[0,1,2,3,7,5,6,7]
+; SSE2-NEXT:    pand %xmm3, %xmm1
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_16i8_to_4i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    movdqa %xmm0, %xmm2
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm2 = xmm2[0],zero,zero,zero,zero,zero,zero,zero,xmm2[1],zero,zero,zero,zero,zero,zero,zero
+; SSSE3-NEXT:    movdqa {{.*#+}} xmm1 = [255,255]
+; SSSE3-NEXT:    pand %xmm1, %xmm2
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[2,2,1,1,2,2,3,3,3,3,5,5,2,2,3,3]
+; SSSE3-NEXT:    pand %xmm0, %xmm1
+; SSSE3-NEXT:    movdqa %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_16i8_to_4i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxbq {{.*#+}} xmm2 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; SSE41-NEXT:    movdqa {{.*#+}} xmm1 = [255,255]
+; SSE41-NEXT:    pand %xmm1, %xmm2
+; SSE41-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[2,2,1,1,2,2,3,3,3,3,5,5,2,2,3,3]
+; SSE41-NEXT:    pand %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext_16i8_to_4i64:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovzxbd {{.*#+}} xmm1 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX1-NEXT:    vpmovzxbq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,2,3,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    vandps {{.*}}(%rip), %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext_16i8_to_4i64:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxbq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,zero,zero,zero,zero,xmm0[1],zero,zero,zero,zero,zero,zero,zero,xmm0[2],zero,zero,zero,zero,zero,zero,zero,xmm0[3],zero,zero,zero,zero,zero,zero,zero
+; AVX2-NEXT:    vpbroadcastq {{.*}}(%rip), %ymm1
+; AVX2-NEXT:    vpand %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+entry:
+  %B = shufflevector <16 x i8> %A, <16 x i8> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = zext <4 x i8> %B to <4 x i64>
+  ret <4 x i64> %C
+}
+
+define <4 x i32> @zext_8i16_to_4i32(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_8i16_to_4i32:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_8i16_to_4i32:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pxor %xmm1, %xmm1
+; SSSE3-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_8i16_to_4i32:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_8i16_to_4i32:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = zext <4 x i16> %B to <4 x i32>
+  ret <4 x i32> %C
+}
+
 define <8 x i32> @zext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp {
 ; SSE2-LABEL: zext_8i16_to_8i32:
 ; SSE2:       # BB#0: # %entry
@@ -48,6 +323,124 @@ entry:
   ret <8 x i32>%B
 }
 
+define <2 x i64> @zext_8i16_to_2i64(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_8i16_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,0,3]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,5,5,6,7]
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_8i16_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,0,3]
+; SSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,5,5,6,7]
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_8i16_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_8i16_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <2 x i32> <i32 0, i32 1>
+  %C = zext <2 x i16> %B to <2 x i64>
+  ret <2 x i64> %C
+}
+
+define <4 x i64> @zext_8i16_to_4i64(<8 x i16> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_8i16_to_4i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm0[0,1,0,3]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm1[0,1,2,3,5,5,6,7]
+; SSE2-NEXT:    movdqa {{.*#+}} xmm3 = [65535,65535]
+; SSE2-NEXT:    pand %xmm3, %xmm2
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,2,1]
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[2,1,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm0[0,1,2,3,7,5,6,7]
+; SSE2-NEXT:    pand %xmm3, %xmm1
+; SSE2-NEXT:    movdqa %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_8i16_to_4i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    movdqa %xmm0, %xmm1
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm1[0,1,0,3]
+; SSSE3-NEXT:    pshufb {{.*#+}} xmm1 = xmm1[4,5,2,3,4,5,6,7,6,7,10,11,4,5,6,7]
+; SSSE3-NEXT:    movdqa {{.*#+}} xmm2 = [65535,65535]
+; SSSE3-NEXT:    pand %xmm2, %xmm1
+; SSSE3-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,5,5,6,7]
+; SSSE3-NEXT:    pand %xmm2, %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_8i16_to_4i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxwq {{.*#+}} xmm2 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; SSE41-NEXT:    movdqa {{.*#+}} xmm1 = [65535,65535]
+; SSE41-NEXT:    pand %xmm1, %xmm2
+; SSE41-NEXT:    pshufb {{.*#+}} xmm0 = xmm0[4,5,2,3,4,5,6,7,6,7,10,11,4,5,6,7]
+; SSE41-NEXT:    pand %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext_8i16_to_4i64:
+; AVX1:       # BB#0: # %entry
+; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX1-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,2,3,3]
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    vandps {{.*}}(%rip), %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext_8i16_to_4i64:
+; AVX2:       # BB#0: # %entry
+; AVX2-NEXT:    vpmovzxwq {{.*#+}} ymm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero,xmm0[2],zero,zero,zero,xmm0[3],zero,zero,zero
+; AVX2-NEXT:    vpbroadcastq {{.*}}(%rip), %ymm1
+; AVX2-NEXT:    vpand %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+entry:
+  %B = shufflevector <8 x i16> %A, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %C = zext <4 x i16> %B to <4 x i64>
+  ret <4 x i64> %C
+}
+
+define <2 x i64> @zext_4i32_to_2i64(<4 x i32> %A) nounwind uwtable readnone ssp {
+; SSE2-LABEL: zext_4i32_to_2i64:
+; SSE2:       # BB#0: # %entry
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,1,3]
+; SSE2-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE2-NEXT:    retq
+;
+; SSSE3-LABEL: zext_4i32_to_2i64:
+; SSSE3:       # BB#0: # %entry
+; SSSE3-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,1,1,3]
+; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSSE3-NEXT:    retq
+;
+; SSE41-LABEL: zext_4i32_to_2i64:
+; SSE41:       # BB#0: # %entry
+; SSE41-NEXT:    pmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; SSE41-NEXT:    pand {{.*}}(%rip), %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: zext_4i32_to_2i64:
+; AVX:       # BB#0: # %entry
+; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
+; AVX-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    retq
+entry:
+  %B = shufflevector <4 x i32> %A, <4 x i32> undef, <2 x i32> <i32 0, i32 1>
+  %C = zext <2 x i32> %B to <2 x i64>
+  ret <2 x i64> %C
+}
+
 define <4 x i64> @zext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp {
 ; SSE2-LABEL: zext_4i32_to_4i64:
 ; SSE2:       # BB#0: # %entry
@@ -148,51 +541,6 @@ entry:
   ret <8 x i32> %t
 }
 
-; PR17654
-define <16 x i16> @zext_16i8_to_16i16(<16 x i8> %z) {
-; SSE2-LABEL: zext_16i8_to_16i16:
-; SSE2:       # BB#0: # %entry
-; SSE2-NEXT:    movdqa %xmm0, %xmm1
-; SSE2-NEXT:    pxor %xmm2, %xmm2
-; SSE2-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
-; SSE2-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
-; SSE2-NEXT:    pand {{.*}}(%rip), %xmm1
-; SSE2-NEXT:    retq
-;
-; SSSE3-LABEL: zext_16i8_to_16i16:
-; SSSE3:       # BB#0: # %entry
-; SSSE3-NEXT:    movdqa %xmm0, %xmm1
-; SSSE3-NEXT:    pxor %xmm2, %xmm2
-; SSSE3-NEXT:    punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3],xmm0[4],xmm2[4],xmm0[5],xmm2[5],xmm0[6],xmm2[6],xmm0[7],xmm2[7]
-; SSSE3-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
-; SSSE3-NEXT:    pand {{.*}}(%rip), %xmm1
-; SSSE3-NEXT:    retq
-;
-; SSE41-LABEL: zext_16i8_to_16i16:
-; SSE41:       # BB#0: # %entry
-; SSE41-NEXT:    movdqa %xmm0, %xmm1
-; SSE41-NEXT:    pmovzxbw {{.*#+}} xmm0 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
-; SSE41-NEXT:    punpckhbw {{.*#+}} xmm1 = xmm1[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
-; SSE41-NEXT:    pand {{.*}}(%rip), %xmm1
-; SSE41-NEXT:    retq
-;
-; AVX1-LABEL: zext_16i8_to_16i16:
-; AVX1:       # BB#0: # %entry
-; AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX1-NEXT:    vpunpckhbw {{.*#+}} xmm1 = xmm0[8],xmm1[8],xmm0[9],xmm1[9],xmm0[10],xmm1[10],xmm0[11],xmm1[11],xmm0[12],xmm1[12],xmm0[13],xmm1[13],xmm0[14],xmm1[14],xmm0[15],xmm1[15]
-; AVX1-NEXT:    vpmovzxbw {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
-; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX1-NEXT:    retq
-;
-; AVX2-LABEL: zext_16i8_to_16i16:
-; AVX2:       # BB#0: # %entry
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
-; AVX2-NEXT:    retq
-entry:
-  %t = zext <16 x i8> %z to <16 x i16>
-  ret <16 x i16> %t
-}
-
 define <16 x i16> @load_zext_16i8_to_16i16(<16 x i8> *%ptr) {
 ; SSE2-LABEL: load_zext_16i8_to_16i16:
 ; SSE2:       # BB#0: # %entry