From: Sanjay Patel <spatel@rotateright.com>
Date: Thu, 27 Apr 2017 16:10:20 +0000 (+0000)
Subject: [x86] add minimal tests for potential size-changing vsel transforms; NFC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0aa7571b65a4f5205642312f173eeac97a6b2af7;p=llvm

[x86] add minimal tests for potential size-changing vsel transforms; NFC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301554 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/cast-vsel.ll b/test/CodeGen/X86/cast-vsel.ll
new file mode 100644
index 00000000000..93d72c7c4ce
--- /dev/null
+++ b/test/CodeGen/X86/cast-vsel.ll
@@ -0,0 +1,643 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
+
+; If we have a cmp and a sel with different-sized operands followed by a size-changing cast,
+; we may want to pull the cast ahead of the select operands to create a select with matching op sizes:
+; ext (sel (cmp a, b), c, d) --> sel (cmp a, b), (ext c), (ext d)
+
+define <8 x i32> @sext(<8 x float> %a, <8 x float> %b, <8 x i16> %c, <8 x i16> %d) {
+; SSE2-LABEL: sext:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    cmpltps %xmm3, %xmm1
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
+; SSE2-NEXT:    cmpltps %xmm2, %xmm0
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm0[0,2,2,3]
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm1[0]
+; SSE2-NEXT:    pand %xmm2, %xmm4
+; SSE2-NEXT:    pandn %xmm5, %xmm2
+; SSE2-NEXT:    por %xmm4, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm2[4],xmm1[5],xmm2[5],xmm1[6],xmm2[6],xmm1[7],xmm2[7]
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: sext:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    cmpltps %xmm3, %xmm1
+; SSE41-NEXT:    movdqa {{.*#+}} xmm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT:    pshufb %xmm3, %xmm1
+; SSE41-NEXT:    cmpltps %xmm2, %xmm0
+; SSE41-NEXT:    pshufb %xmm3, %xmm0
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE41-NEXT:    pand %xmm0, %xmm4
+; SSE41-NEXT:    pandn %xmm5, %xmm0
+; SSE41-NEXT:    por %xmm4, %xmm0
+; SSE41-NEXT:    pmovsxwd %xmm0, %xmm2
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE41-NEXT:    pmovsxwd %xmm0, %xmm1
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: sext:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vcmpltps %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vpacksswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpandn %xmm3, %xmm0, %xmm1
+; AVX1-NEXT:    vpand %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpor %xmm1, %xmm0, %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: sext:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vcmpltps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpacksswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpandn %xmm3, %xmm0, %xmm1
+; AVX2-NEXT:    vpand %xmm0, %xmm2, %xmm0
+; AVX2-NEXT:    vpor %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovsxwd %xmm0, %ymm0
+; AVX2-NEXT:    retq
+  %cmp = fcmp olt <8 x float> %a, %b
+  %sel = select <8 x i1> %cmp, <8 x i16> %c, <8 x i16> %d
+  %ext = sext <8 x i16> %sel to <8 x i32>
+  ret <8 x i32> %ext
+}
+
+define <8 x i32> @zext(<8 x float> %a, <8 x float> %b, <8 x i16> %c, <8 x i16> %d) {
+; SSE2-LABEL: zext:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    cmpltps %xmm3, %xmm1
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm1[0,2,2,3]
+; SSE2-NEXT:    cmpltps %xmm2, %xmm0
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm0[0,2,2,3]
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm3[0]
+; SSE2-NEXT:    pand %xmm1, %xmm4
+; SSE2-NEXT:    pandn %xmm5, %xmm1
+; SSE2-NEXT:    por %xmm4, %xmm1
+; SSE2-NEXT:    xorps %xmm2, %xmm2
+; SSE2-NEXT:    movdqa %xmm1, %xmm0
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1],xmm0[2],xmm2[2],xmm0[3],xmm2[3]
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm2[4],xmm1[5],xmm2[5],xmm1[6],xmm2[6],xmm1[7],xmm2[7]
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: zext:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    cmpltps %xmm3, %xmm1
+; SSE41-NEXT:    movdqa {{.*#+}} xmm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT:    pshufb %xmm3, %xmm1
+; SSE41-NEXT:    cmpltps %xmm2, %xmm0
+; SSE41-NEXT:    pshufb %xmm3, %xmm0
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE41-NEXT:    pand %xmm0, %xmm4
+; SSE41-NEXT:    pandn %xmm5, %xmm0
+; SSE41-NEXT:    por %xmm4, %xmm0
+; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; SSE41-NEXT:    movdqa %xmm2, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: zext:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vcmpltps %ymm1, %ymm0, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vpacksswb %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpandn %xmm3, %xmm0, %xmm1
+; AVX1-NEXT:    vpand %xmm0, %xmm2, %xmm0
+; AVX1-NEXT:    vpor %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
+; AVX1-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: zext:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vcmpltps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpacksswb %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpandn %xmm3, %xmm0, %xmm1
+; AVX2-NEXT:    vpand %xmm0, %xmm2, %xmm0
+; AVX2-NEXT:    vpor %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovzxwd {{.*#+}} 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
+; AVX2-NEXT:    retq
+  %cmp = fcmp olt <8 x float> %a, %b
+  %sel = select <8 x i1> %cmp, <8 x i16> %c, <8 x i16> %d
+  %ext = zext <8 x i16> %sel to <8 x i32>
+  ret <8 x i32> %ext
+}
+
+define <4 x double> @fpext(<4 x double> %a, <4 x double> %b, <4 x float> %c, <4 x float> %d) {
+; SSE2-LABEL: fpext:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    cmpltpd %xmm3, %xmm1
+; SSE2-NEXT:    cmpltpd %xmm2, %xmm0
+; SSE2-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; SSE2-NEXT:    andps %xmm0, %xmm4
+; SSE2-NEXT:    andnps %xmm5, %xmm0
+; SSE2-NEXT:    orps %xmm4, %xmm0
+; SSE2-NEXT:    cvtps2pd %xmm0, %xmm2
+; SSE2-NEXT:    psrldq {{.*#+}} xmm0 = xmm0[8,9,10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero
+; SSE2-NEXT:    cvtps2pd %xmm0, %xmm1
+; SSE2-NEXT:    movaps %xmm2, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: fpext:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    cmpltpd %xmm3, %xmm1
+; SSE41-NEXT:    cmpltpd %xmm2, %xmm0
+; SSE41-NEXT:    shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; SSE41-NEXT:    blendvps %xmm0, %xmm4, %xmm5
+; SSE41-NEXT:    cvtps2pd %xmm5, %xmm0
+; SSE41-NEXT:    movhlps {{.*#+}} xmm5 = xmm5[1,1]
+; SSE41-NEXT:    cvtps2pd %xmm5, %xmm1
+; SSE41-NEXT:    retq
+;
+; AVX-LABEL: fpext:
+; AVX:       # BB#0:
+; AVX-NEXT:    vcmpltpd %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vpacksswb %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vblendvps %xmm0, %xmm2, %xmm3, %xmm0
+; AVX-NEXT:    vcvtps2pd %xmm0, %ymm0
+; AVX-NEXT:    retq
+  %cmp = fcmp olt <4 x double> %a, %b
+  %sel = select <4 x i1> %cmp, <4 x float> %c, <4 x float> %d
+  %ext = fpext <4 x float> %sel to <4 x double>
+  ret <4 x double> %ext
+}
+
+define <8 x i16> @trunc(<8 x i16> %a, <8 x i16> %b, <8 x i32> %c, <8 x i32> %d) {
+; SSE2-LABEL: trunc:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    pcmpeqw %xmm1, %xmm0
+; SSE2-NEXT:    pxor %xmm1, %xmm1
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    pand %xmm0, %xmm2
+; SSE2-NEXT:    pandn %xmm4, %xmm0
+; SSE2-NEXT:    por %xmm2, %xmm0
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pandn %xmm5, %xmm1
+; SSE2-NEXT:    por %xmm3, %xmm1
+; SSE2-NEXT:    pslld $16, %xmm1
+; SSE2-NEXT:    psrad $16, %xmm1
+; SSE2-NEXT:    pslld $16, %xmm0
+; SSE2-NEXT:    psrad $16, %xmm0
+; SSE2-NEXT:    packssdw %xmm1, %xmm0
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: trunc:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    pcmpeqw %xmm1, %xmm0
+; SSE41-NEXT:    pxor %xmm1, %xmm1
+; SSE41-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
+; SSE41-NEXT:    pmovsxwd %xmm0, %xmm0
+; SSE41-NEXT:    blendvps %xmm0, %xmm2, %xmm4
+; SSE41-NEXT:    movdqa %xmm1, %xmm0
+; SSE41-NEXT:    blendvps %xmm0, %xmm3, %xmm5
+; SSE41-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT:    pshufb %xmm0, %xmm5
+; SSE41-NEXT:    pshufb %xmm0, %xmm4
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm4 = xmm4[0],xmm5[0]
+; SSE41-NEXT:    movdqa %xmm4, %xmm0
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: trunc:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vpcmpeqw %xmm1, %xmm0, %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:    vblendvps %ymm0, %ymm2, %ymm3, %ymm0
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: trunc:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vpcmpeqw %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovsxwd %xmm0, %ymm0
+; AVX2-NEXT:    vblendvps %ymm0, %ymm2, %ymm3, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+  %cmp = icmp eq <8 x i16> %a, %b
+  %sel = select <8 x i1> %cmp, <8 x i32> %c, <8 x i32> %d
+  %tr = trunc <8 x i32> %sel to <8 x i16>
+  ret <8 x i16> %tr
+}
+
+define <4 x float> @fptrunc(<4 x float> %a, <4 x float> %b, <4 x double> %c, <4 x double> %d) {
+; SSE2-LABEL: fptrunc:
+; SSE2:       # BB#0:
+; SSE2-NEXT:    cmpltps %xmm1, %xmm0
+; SSE2-NEXT:    movaps %xmm0, %xmm1
+; SSE2-NEXT:    psrad $31, %xmm1
+; SSE2-NEXT:    xorps %xmm6, %xmm6
+; SSE2-NEXT:    unpckhps {{.*#+}} xmm6 = xmm6[2],xmm0[2],xmm6[3],xmm0[3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; SSE2-NEXT:    movaps %xmm6, %xmm1
+; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[1,3,2,3]
+; SSE2-NEXT:    psrad $31, %xmm6
+; SSE2-NEXT:    pshufd {{.*#+}} xmm6 = xmm6[1,3,2,3]
+; SSE2-NEXT:    punpckldq {{.*#+}} xmm1 = xmm1[0],xmm6[0],xmm1[1],xmm6[1]
+; SSE2-NEXT:    pand %xmm1, %xmm3
+; SSE2-NEXT:    pandn %xmm5, %xmm1
+; SSE2-NEXT:    por %xmm3, %xmm1
+; SSE2-NEXT:    pand %xmm0, %xmm2
+; SSE2-NEXT:    pandn %xmm4, %xmm0
+; SSE2-NEXT:    por %xmm2, %xmm0
+; SSE2-NEXT:    cvtpd2ps %xmm0, %xmm0
+; SSE2-NEXT:    cvtpd2ps %xmm1, %xmm1
+; SSE2-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: fptrunc:
+; SSE41:       # BB#0:
+; SSE41-NEXT:    cmpltps %xmm1, %xmm0
+; SSE41-NEXT:    xorps %xmm1, %xmm1
+; SSE41-NEXT:    unpckhps {{.*#+}} xmm1 = xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE41-NEXT:    pmovsxdq %xmm0, %xmm0
+; SSE41-NEXT:    blendvpd %xmm0, %xmm2, %xmm4
+; SSE41-NEXT:    movaps %xmm1, %xmm0
+; SSE41-NEXT:    blendvpd %xmm0, %xmm3, %xmm5
+; SSE41-NEXT:    cvtpd2ps %xmm5, %xmm1
+; SSE41-NEXT:    cvtpd2ps %xmm4, %xmm0
+; SSE41-NEXT:    unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: fptrunc:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vcmpltps %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm1
+; AVX1-NEXT:    vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
+; AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
+; AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
+; AVX1-NEXT:    vblendvpd %ymm0, %ymm2, %ymm3, %ymm0
+; AVX1-NEXT:    vcvtpd2ps %ymm0, %xmm0
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: fptrunc:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vcmpltps %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
+; AVX2-NEXT:    vblendvpd %ymm0, %ymm2, %ymm3, %ymm0
+; AVX2-NEXT:    vcvtpd2ps %ymm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+  %cmp = fcmp olt <4 x float> %a, %b
+  %sel = select <4 x i1> %cmp, <4 x double> %c, <4 x double> %d
+  %tr = fptrunc <4 x double> %sel to <4 x float>
+  ret <4 x float> %tr
+}
+
+; PR14657 - avoid truncation/extension of comparison results
+; These tests demonstrate the same issue as the simpler cases above,
+; but also include multi-BB to show potentially larger transforms/codegen issues.
+
+@da = common global [1024 x float] zeroinitializer, align 32
+@db = common global [1024 x float] zeroinitializer, align 32
+@dc = common global [1024 x float] zeroinitializer, align 32
+@dd = common global [1024 x float] zeroinitializer, align 32
+@dj = common global [1024 x i32] zeroinitializer, align 32
+
+define void @example25() nounwind {
+; SSE2-LABEL: example25:
+; SSE2:       # BB#0: # %vector.ph
+; SSE2-NEXT:    movq $-4096, %rax # imm = 0xF000
+; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [1,1,1,1]
+; SSE2-NEXT:    .p2align 4, 0x90
+; SSE2-NEXT:  .LBB5_1: # %vector.body
+; SSE2-NEXT:    # =>This Inner Loop Header: Depth=1
+; SSE2-NEXT:    movaps da+4096(%rax), %xmm1
+; SSE2-NEXT:    movaps da+4112(%rax), %xmm2
+; SSE2-NEXT:    cmpltps db+4112(%rax), %xmm2
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
+; SSE2-NEXT:    cmpltps db+4096(%rax), %xmm1
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
+; SSE2-NEXT:    psllw $15, %xmm1
+; SSE2-NEXT:    psraw $15, %xmm1
+; SSE2-NEXT:    movaps dc+4096(%rax), %xmm2
+; SSE2-NEXT:    movaps dc+4112(%rax), %xmm3
+; SSE2-NEXT:    cmpltps dd+4112(%rax), %xmm3
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3]
+; SSE2-NEXT:    cmpltps dd+4096(%rax), %xmm2
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
+; SSE2-NEXT:    psllw $15, %xmm2
+; SSE2-NEXT:    psraw $15, %xmm2
+; SSE2-NEXT:    pand %xmm1, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, %xmm1
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
+; SSE2-NEXT:    pand %xmm0, %xmm1
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
+; SSE2-NEXT:    pand %xmm0, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, dj+4112(%rax)
+; SSE2-NEXT:    movdqa %xmm1, dj+4096(%rax)
+; SSE2-NEXT:    addq $32, %rax
+; SSE2-NEXT:    jne .LBB5_1
+; SSE2-NEXT:  # BB#2: # %for.end
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: example25:
+; SSE41:       # BB#0: # %vector.ph
+; SSE41-NEXT:    movq $-4096, %rax # imm = 0xF000
+; SSE41-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT:    movdqa {{.*#+}} xmm1 = [1,1,1,1]
+; SSE41-NEXT:    .p2align 4, 0x90
+; SSE41-NEXT:  .LBB5_1: # %vector.body
+; SSE41-NEXT:    # =>This Inner Loop Header: Depth=1
+; SSE41-NEXT:    movaps da+4096(%rax), %xmm2
+; SSE41-NEXT:    movaps da+4112(%rax), %xmm3
+; SSE41-NEXT:    cmpltps db+4112(%rax), %xmm3
+; SSE41-NEXT:    pshufb %xmm0, %xmm3
+; SSE41-NEXT:    cmpltps db+4096(%rax), %xmm2
+; SSE41-NEXT:    pshufb %xmm0, %xmm2
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
+; SSE41-NEXT:    psllw $15, %xmm2
+; SSE41-NEXT:    psraw $15, %xmm2
+; SSE41-NEXT:    movaps dc+4096(%rax), %xmm3
+; SSE41-NEXT:    movaps dc+4112(%rax), %xmm4
+; SSE41-NEXT:    cmpltps dd+4112(%rax), %xmm4
+; SSE41-NEXT:    pshufb %xmm0, %xmm4
+; SSE41-NEXT:    cmpltps dd+4096(%rax), %xmm3
+; SSE41-NEXT:    pshufb %xmm0, %xmm3
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; SSE41-NEXT:    psllw $15, %xmm3
+; SSE41-NEXT:    psraw $15, %xmm3
+; SSE41-NEXT:    pand %xmm2, %xmm3
+; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm2 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
+; SSE41-NEXT:    pand %xmm1, %xmm2
+; SSE41-NEXT:    punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm0[4],xmm3[5],xmm0[5],xmm3[6],xmm0[6],xmm3[7],xmm0[7]
+; SSE41-NEXT:    pand %xmm1, %xmm3
+; SSE41-NEXT:    movdqa %xmm3, dj+4112(%rax)
+; SSE41-NEXT:    movdqa %xmm2, dj+4096(%rax)
+; SSE41-NEXT:    addq $32, %rax
+; SSE41-NEXT:    jne .LBB5_1
+; SSE41-NEXT:  # BB#2: # %for.end
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: example25:
+; AVX1:       # BB#0: # %vector.ph
+; AVX1-NEXT:    movq $-4096, %rax # imm = 0xF000
+; AVX1-NEXT:    vmovaps {{.*#+}} ymm0 = [1,1,1,1,1,1,1,1]
+; AVX1-NEXT:    .p2align 4, 0x90
+; AVX1-NEXT:  .LBB5_1: # %vector.body
+; AVX1-NEXT:    # =>This Inner Loop Header: Depth=1
+; AVX1-NEXT:    vmovups da+4096(%rax), %ymm1
+; AVX1-NEXT:    vcmpltps db+4096(%rax), %ymm1, %ymm1
+; AVX1-NEXT:    vmovups dc+4096(%rax), %ymm2
+; AVX1-NEXT:    vcmpltps dd+4096(%rax), %ymm2, %ymm2
+; AVX1-NEXT:    vandps %ymm2, %ymm1, %ymm1
+; AVX1-NEXT:    vandps %ymm0, %ymm1, %ymm1
+; AVX1-NEXT:    vmovups %ymm1, dj+4096(%rax)
+; AVX1-NEXT:    addq $32, %rax
+; AVX1-NEXT:    jne .LBB5_1
+; AVX1-NEXT:  # BB#2: # %for.end
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: example25:
+; AVX2:       # BB#0: # %vector.ph
+; AVX2-NEXT:    movq $-4096, %rax # imm = 0xF000
+; AVX2-NEXT:    vbroadcastss {{.*}}(%rip), %ymm0
+; AVX2-NEXT:    .p2align 4, 0x90
+; AVX2-NEXT:  .LBB5_1: # %vector.body
+; AVX2-NEXT:    # =>This Inner Loop Header: Depth=1
+; AVX2-NEXT:    vmovups da+4096(%rax), %ymm1
+; AVX2-NEXT:    vcmpltps db+4096(%rax), %ymm1, %ymm1
+; AVX2-NEXT:    vmovups dc+4096(%rax), %ymm2
+; AVX2-NEXT:    vcmpltps dd+4096(%rax), %ymm2, %ymm2
+; AVX2-NEXT:    vandps %ymm2, %ymm1, %ymm1
+; AVX2-NEXT:    vandps %ymm0, %ymm1, %ymm1
+; AVX2-NEXT:    vmovups %ymm1, dj+4096(%rax)
+; AVX2-NEXT:    addq $32, %rax
+; AVX2-NEXT:    jne .LBB5_1
+; AVX2-NEXT:  # BB#2: # %for.end
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+vector.ph:
+  br label %vector.body
+
+vector.body:
+  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
+  %0 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index
+  %1 = bitcast float* %0 to <8 x float>*
+  %2 = load <8 x float>, <8 x float>* %1, align 16
+  %3 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index
+  %4 = bitcast float* %3 to <8 x float>*
+  %5 = load <8 x float>, <8 x float>* %4, align 16
+  %6 = fcmp olt <8 x float> %2, %5
+  %7 = getelementptr inbounds [1024 x float], [1024 x float]* @dc, i64 0, i64 %index
+  %8 = bitcast float* %7 to <8 x float>*
+  %9 = load <8 x float>, <8 x float>* %8, align 16
+  %10 = getelementptr inbounds [1024 x float], [1024 x float]* @dd, i64 0, i64 %index
+  %11 = bitcast float* %10 to <8 x float>*
+  %12 = load <8 x float>, <8 x float>* %11, align 16
+  %13 = fcmp olt <8 x float> %9, %12
+  %14 = and <8 x i1> %6, %13
+  %15 = zext <8 x i1> %14 to <8 x i32>
+  %16 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index
+  %17 = bitcast i32* %16 to <8 x i32>*
+  store <8 x i32> %15, <8 x i32>* %17, align 16
+  %index.next = add i64 %index, 8
+  %18 = icmp eq i64 %index.next, 1024
+  br i1 %18, label %for.end, label %vector.body
+
+for.end:
+  ret void
+}
+
+define void @example24(i16 signext %x, i16 signext %y) nounwind {
+; SSE2-LABEL: example24:
+; SSE2:       # BB#0: # %vector.ph
+; SSE2-NEXT:    movd %edi, %xmm0
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
+; SSE2-NEXT:    movd %esi, %xmm1
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
+; SSE2-NEXT:    movq $-4096, %rax # imm = 0xF000
+; SSE2-NEXT:    .p2align 4, 0x90
+; SSE2-NEXT:  .LBB6_1: # %vector.body
+; SSE2-NEXT:    # =>This Inner Loop Header: Depth=1
+; SSE2-NEXT:    movaps da+4096(%rax), %xmm2
+; SSE2-NEXT:    movaps da+4112(%rax), %xmm3
+; SSE2-NEXT:    cmpltps db+4112(%rax), %xmm3
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3]
+; SSE2-NEXT:    cmpltps db+4096(%rax), %xmm2
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
+; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
+; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
+; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
+; SSE2-NEXT:    movdqa %xmm0, %xmm3
+; SSE2-NEXT:    pand %xmm2, %xmm3
+; SSE2-NEXT:    pandn %xmm1, %xmm2
+; SSE2-NEXT:    por %xmm3, %xmm2
+; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3]
+; SSE2-NEXT:    psrad $16, %xmm3
+; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4,4,5,5,6,6,7,7]
+; SSE2-NEXT:    psrad $16, %xmm2
+; SSE2-NEXT:    movdqa %xmm2, dj+4112(%rax)
+; SSE2-NEXT:    movdqa %xmm3, dj+4096(%rax)
+; SSE2-NEXT:    addq $32, %rax
+; SSE2-NEXT:    jne .LBB6_1
+; SSE2-NEXT:  # BB#2: # %for.end
+; SSE2-NEXT:    retq
+;
+; SSE41-LABEL: example24:
+; SSE41:       # BB#0: # %vector.ph
+; SSE41-NEXT:    movd %edi, %xmm0
+; SSE41-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
+; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
+; SSE41-NEXT:    movd %esi, %xmm1
+; SSE41-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
+; SSE41-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
+; SSE41-NEXT:    movq $-4096, %rax # imm = 0xF000
+; SSE41-NEXT:    movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; SSE41-NEXT:    .p2align 4, 0x90
+; SSE41-NEXT:  .LBB6_1: # %vector.body
+; SSE41-NEXT:    # =>This Inner Loop Header: Depth=1
+; SSE41-NEXT:    movaps da+4096(%rax), %xmm3
+; SSE41-NEXT:    movaps da+4112(%rax), %xmm4
+; SSE41-NEXT:    cmpltps db+4112(%rax), %xmm4
+; SSE41-NEXT:    pshufb %xmm2, %xmm4
+; SSE41-NEXT:    cmpltps db+4096(%rax), %xmm3
+; SSE41-NEXT:    pshufb %xmm2, %xmm3
+; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
+; SSE41-NEXT:    movdqa %xmm0, %xmm4
+; SSE41-NEXT:    pand %xmm3, %xmm4
+; SSE41-NEXT:    pandn %xmm1, %xmm3
+; SSE41-NEXT:    por %xmm4, %xmm3
+; SSE41-NEXT:    pshufd {{.*#+}} xmm4 = xmm3[2,3,0,1]
+; SSE41-NEXT:    pmovsxwd %xmm4, %xmm4
+; SSE41-NEXT:    pmovsxwd %xmm3, %xmm3
+; SSE41-NEXT:    movdqa %xmm3, dj+4096(%rax)
+; SSE41-NEXT:    movdqa %xmm4, dj+4112(%rax)
+; SSE41-NEXT:    addq $32, %rax
+; SSE41-NEXT:    jne .LBB6_1
+; SSE41-NEXT:  # BB#2: # %for.end
+; SSE41-NEXT:    retq
+;
+; AVX1-LABEL: example24:
+; AVX1:       # BB#0: # %vector.ph
+; AVX1-NEXT:    vmovd %edi, %xmm0
+; AVX1-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
+; AVX1-NEXT:    vmovd %esi, %xmm1
+; AVX1-NEXT:    vpshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
+; AVX1-NEXT:    movq $-4096, %rax # imm = 0xF000
+; AVX1-NEXT:    .p2align 4, 0x90
+; AVX1-NEXT:  .LBB6_1: # %vector.body
+; AVX1-NEXT:    # =>This Inner Loop Header: Depth=1
+; AVX1-NEXT:    vmovups da+4096(%rax), %ymm2
+; AVX1-NEXT:    vcmpltps db+4096(%rax), %ymm2, %ymm2
+; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX1-NEXT:    vpacksswb %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpandn %xmm1, %xmm2, %xmm3
+; AVX1-NEXT:    vpand %xmm2, %xmm0, %xmm2
+; AVX1-NEXT:    vpor %xmm3, %xmm2, %xmm2
+; AVX1-NEXT:    vpmovsxwd %xmm2, %xmm3
+; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[2,3,0,1]
+; AVX1-NEXT:    vpmovsxwd %xmm2, %xmm2
+; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm2
+; AVX1-NEXT:    vmovups %ymm2, dj+4096(%rax)
+; AVX1-NEXT:    addq $32, %rax
+; AVX1-NEXT:    jne .LBB6_1
+; AVX1-NEXT:  # BB#2: # %for.end
+; AVX1-NEXT:    vzeroupper
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: example24:
+; AVX2:       # BB#0: # %vector.ph
+; AVX2-NEXT:    vmovd %edi, %xmm0
+; AVX2-NEXT:    vpbroadcastw %xmm0, %xmm0
+; AVX2-NEXT:    vmovd %esi, %xmm1
+; AVX2-NEXT:    vpbroadcastw %xmm1, %xmm1
+; AVX2-NEXT:    movq $-4096, %rax # imm = 0xF000
+; AVX2-NEXT:    .p2align 4, 0x90
+; AVX2-NEXT:  .LBB6_1: # %vector.body
+; AVX2-NEXT:    # =>This Inner Loop Header: Depth=1
+; AVX2-NEXT:    vmovups da+4096(%rax), %ymm2
+; AVX2-NEXT:    vcmpltps db+4096(%rax), %ymm2, %ymm2
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm3
+; AVX2-NEXT:    vpacksswb %xmm3, %xmm2, %xmm2
+; AVX2-NEXT:    vpandn %xmm1, %xmm2, %xmm3
+; AVX2-NEXT:    vpand %xmm2, %xmm0, %xmm2
+; AVX2-NEXT:    vpor %xmm3, %xmm2, %xmm2
+; AVX2-NEXT:    vpmovsxwd %xmm2, %ymm2
+; AVX2-NEXT:    vmovdqu %ymm2, dj+4096(%rax)
+; AVX2-NEXT:    addq $32, %rax
+; AVX2-NEXT:    jne .LBB6_1
+; AVX2-NEXT:  # BB#2: # %for.end
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
+vector.ph:
+  %0 = insertelement <8 x i16> undef, i16 %x, i32 0
+  %broadcast11 = shufflevector <8 x i16> %0, <8 x i16> undef, <8 x i32> zeroinitializer
+  %1 = insertelement <8 x i16> undef, i16 %y, i32 0
+  %broadcast12 = shufflevector <8 x i16> %1, <8 x i16> undef, <8 x i32> zeroinitializer
+  br label %vector.body
+
+vector.body:
+  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
+  %2 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index
+  %3 = bitcast float* %2 to <8 x float>*
+  %4 = load <8 x float>, <8 x float>* %3, align 16
+  %5 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index
+  %6 = bitcast float* %5 to <8 x float>*
+  %7 = load <8 x float>, <8 x float>* %6, align 16
+  %8 = fcmp olt <8 x float> %4, %7
+  %9 = select <8 x i1> %8, <8 x i16> %broadcast11, <8 x i16> %broadcast12
+  %10 = sext <8 x i16> %9 to <8 x i32>
+  %11 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index
+  %12 = bitcast i32* %11 to <8 x i32>*
+  store <8 x i32> %10, <8 x i32>* %12, align 16
+  %index.next = add i64 %index, 8
+  %13 = icmp eq i64 %index.next, 1024
+  br i1 %13, label %for.end, label %vector.body
+
+for.end:
+  ret void
+}
+
diff --git a/test/CodeGen/X86/pr14657.ll b/test/CodeGen/X86/pr14657.ll
deleted file mode 100644
index cc7d3e068d4..00000000000
--- a/test/CodeGen/X86/pr14657.ll
+++ /dev/null
@@ -1,325 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
-
-; PR14657 - avoid truncation/extension of comparison results
-
-@da = common global [1024 x float] zeroinitializer, align 32
-@db = common global [1024 x float] zeroinitializer, align 32
-@dc = common global [1024 x float] zeroinitializer, align 32
-@dd = common global [1024 x float] zeroinitializer, align 32
-@dj = common global [1024 x i32] zeroinitializer, align 32
-
-define void @_Z9example25v() nounwind uwtable noinline ssp {
-; SSE2-LABEL: _Z9example25v:
-; SSE2:       # BB#0: # %vector.ph
-; SSE2-NEXT:    movq $-4096, %rax # imm = 0xF000
-; SSE2-NEXT:    movdqa {{.*#+}} xmm0 = [1,1,1,1]
-; SSE2-NEXT:    .p2align 4, 0x90
-; SSE2-NEXT:  .LBB0_1: # %vector.body
-; SSE2-NEXT:    # =>This Inner Loop Header: Depth=1
-; SSE2-NEXT:    movaps da+4096(%rax), %xmm1
-; SSE2-NEXT:    movaps da+4112(%rax), %xmm2
-; SSE2-NEXT:    cmpltps db+4112(%rax), %xmm2
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
-; SSE2-NEXT:    cmpltps db+4096(%rax), %xmm1
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
-; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0]
-; SSE2-NEXT:    psllw $15, %xmm1
-; SSE2-NEXT:    psraw $15, %xmm1
-; SSE2-NEXT:    movaps dc+4096(%rax), %xmm2
-; SSE2-NEXT:    movaps dc+4112(%rax), %xmm3
-; SSE2-NEXT:    cmpltps dd+4112(%rax), %xmm3
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3]
-; SSE2-NEXT:    cmpltps dd+4096(%rax), %xmm2
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
-; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
-; SSE2-NEXT:    psllw $15, %xmm2
-; SSE2-NEXT:    psraw $15, %xmm2
-; SSE2-NEXT:    pand %xmm1, %xmm2
-; SSE2-NEXT:    movdqa %xmm2, %xmm1
-; SSE2-NEXT:    punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
-; SSE2-NEXT:    pand %xmm0, %xmm1
-; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7]
-; SSE2-NEXT:    pand %xmm0, %xmm2
-; SSE2-NEXT:    movdqa %xmm2, dj+4112(%rax)
-; SSE2-NEXT:    movdqa %xmm1, dj+4096(%rax)
-; SSE2-NEXT:    addq $32, %rax
-; SSE2-NEXT:    jne .LBB0_1
-; SSE2-NEXT:  # BB#2: # %for.end
-; SSE2-NEXT:    retq
-;
-; SSE41-LABEL: _Z9example25v:
-; SSE41:       # BB#0: # %vector.ph
-; SSE41-NEXT:    movq $-4096, %rax # imm = 0xF000
-; SSE41-NEXT:    movdqa {{.*#+}} xmm0 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; SSE41-NEXT:    movdqa {{.*#+}} xmm1 = [1,1,1,1]
-; SSE41-NEXT:    .p2align 4, 0x90
-; SSE41-NEXT:  .LBB0_1: # %vector.body
-; SSE41-NEXT:    # =>This Inner Loop Header: Depth=1
-; SSE41-NEXT:    movaps da+4096(%rax), %xmm2
-; SSE41-NEXT:    movaps da+4112(%rax), %xmm3
-; SSE41-NEXT:    cmpltps db+4112(%rax), %xmm3
-; SSE41-NEXT:    pshufb %xmm0, %xmm3
-; SSE41-NEXT:    cmpltps db+4096(%rax), %xmm2
-; SSE41-NEXT:    pshufb %xmm0, %xmm2
-; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
-; SSE41-NEXT:    psllw $15, %xmm2
-; SSE41-NEXT:    psraw $15, %xmm2
-; SSE41-NEXT:    movaps dc+4096(%rax), %xmm3
-; SSE41-NEXT:    movaps dc+4112(%rax), %xmm4
-; SSE41-NEXT:    cmpltps dd+4112(%rax), %xmm4
-; SSE41-NEXT:    pshufb %xmm0, %xmm4
-; SSE41-NEXT:    cmpltps dd+4096(%rax), %xmm3
-; SSE41-NEXT:    pshufb %xmm0, %xmm3
-; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
-; SSE41-NEXT:    psllw $15, %xmm3
-; SSE41-NEXT:    psraw $15, %xmm3
-; SSE41-NEXT:    pand %xmm2, %xmm3
-; SSE41-NEXT:    pmovzxwd {{.*#+}} xmm2 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero
-; SSE41-NEXT:    pand %xmm1, %xmm2
-; SSE41-NEXT:    punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm0[4],xmm3[5],xmm0[5],xmm3[6],xmm0[6],xmm3[7],xmm0[7]
-; SSE41-NEXT:    pand %xmm1, %xmm3
-; SSE41-NEXT:    movdqa %xmm3, dj+4112(%rax)
-; SSE41-NEXT:    movdqa %xmm2, dj+4096(%rax)
-; SSE41-NEXT:    addq $32, %rax
-; SSE41-NEXT:    jne .LBB0_1
-; SSE41-NEXT:  # BB#2: # %for.end
-; SSE41-NEXT:    retq
-;
-; AVX1-LABEL: _Z9example25v:
-; AVX1:       # BB#0: # %vector.ph
-; AVX1-NEXT:    movq $-4096, %rax # imm = 0xF000
-; AVX1-NEXT:    vmovaps {{.*#+}} ymm0 = [1,1,1,1,1,1,1,1]
-; AVX1-NEXT:    .p2align 4, 0x90
-; AVX1-NEXT:  .LBB0_1: # %vector.body
-; AVX1-NEXT:    # =>This Inner Loop Header: Depth=1
-; AVX1-NEXT:    vmovups da+4096(%rax), %ymm1
-; AVX1-NEXT:    vcmpltps db+4096(%rax), %ymm1, %ymm1
-; AVX1-NEXT:    vmovups dc+4096(%rax), %ymm2
-; AVX1-NEXT:    vcmpltps dd+4096(%rax), %ymm2, %ymm2
-; AVX1-NEXT:    vandps %ymm2, %ymm1, %ymm1
-; AVX1-NEXT:    vandps %ymm0, %ymm1, %ymm1
-; AVX1-NEXT:    vmovups %ymm1, dj+4096(%rax)
-; AVX1-NEXT:    addq $32, %rax
-; AVX1-NEXT:    jne .LBB0_1
-; AVX1-NEXT:  # BB#2: # %for.end
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-LABEL: _Z9example25v:
-; AVX2:       # BB#0: # %vector.ph
-; AVX2-NEXT:    movq $-4096, %rax # imm = 0xF000
-; AVX2-NEXT:    vbroadcastss {{.*}}(%rip), %ymm0
-; AVX2-NEXT:    .p2align 4, 0x90
-; AVX2-NEXT:  .LBB0_1: # %vector.body
-; AVX2-NEXT:    # =>This Inner Loop Header: Depth=1
-; AVX2-NEXT:    vmovups da+4096(%rax), %ymm1
-; AVX2-NEXT:    vcmpltps db+4096(%rax), %ymm1, %ymm1
-; AVX2-NEXT:    vmovups dc+4096(%rax), %ymm2
-; AVX2-NEXT:    vcmpltps dd+4096(%rax), %ymm2, %ymm2
-; AVX2-NEXT:    vandps %ymm2, %ymm1, %ymm1
-; AVX2-NEXT:    vandps %ymm0, %ymm1, %ymm1
-; AVX2-NEXT:    vmovups %ymm1, dj+4096(%rax)
-; AVX2-NEXT:    addq $32, %rax
-; AVX2-NEXT:    jne .LBB0_1
-; AVX2-NEXT:  # BB#2: # %for.end
-; AVX2-NEXT:    vzeroupper
-; AVX2-NEXT:    retq
-vector.ph:
-  br label %vector.body
-
-vector.body:                                      ; preds = %vector.body, %vector.ph
-  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
-  %0 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index
-  %1 = bitcast float* %0 to <8 x float>*
-  %2 = load <8 x float>, <8 x float>* %1, align 16
-  %3 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index
-  %4 = bitcast float* %3 to <8 x float>*
-  %5 = load <8 x float>, <8 x float>* %4, align 16
-  %6 = fcmp olt <8 x float> %2, %5
-  %7 = getelementptr inbounds [1024 x float], [1024 x float]* @dc, i64 0, i64 %index
-  %8 = bitcast float* %7 to <8 x float>*
-  %9 = load <8 x float>, <8 x float>* %8, align 16
-  %10 = getelementptr inbounds [1024 x float], [1024 x float]* @dd, i64 0, i64 %index
-  %11 = bitcast float* %10 to <8 x float>*
-  %12 = load <8 x float>, <8 x float>* %11, align 16
-  %13 = fcmp olt <8 x float> %9, %12
-  %14 = and <8 x i1> %6, %13
-  %15 = zext <8 x i1> %14 to <8 x i32>
-  %16 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index
-  %17 = bitcast i32* %16 to <8 x i32>*
-  store <8 x i32> %15, <8 x i32>* %17, align 16
-  %index.next = add i64 %index, 8
-  %18 = icmp eq i64 %index.next, 1024
-  br i1 %18, label %for.end, label %vector.body
-
-for.end:                                          ; preds = %vector.body
-  ret void
-}
-
-define void @_Z9example24ss(i16 signext %x, i16 signext %y) nounwind uwtable noinline ssp {
-; SSE2-LABEL: _Z9example24ss:
-; SSE2:       # BB#0: # %vector.ph
-; SSE2-NEXT:    movd %edi, %xmm0
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
-; SSE2-NEXT:    movd %esi, %xmm1
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
-; SSE2-NEXT:    movq $-4096, %rax # imm = 0xF000
-; SSE2-NEXT:    .p2align 4, 0x90
-; SSE2-NEXT:  .LBB1_1: # %vector.body
-; SSE2-NEXT:    # =>This Inner Loop Header: Depth=1
-; SSE2-NEXT:    movaps da+4096(%rax), %xmm2
-; SSE2-NEXT:    movaps da+4112(%rax), %xmm3
-; SSE2-NEXT:    cmpltps db+4112(%rax), %xmm3
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm3 = xmm3[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm3 = xmm3[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm3 = xmm3[0,2,2,3]
-; SSE2-NEXT:    cmpltps db+4096(%rax), %xmm2
-; SSE2-NEXT:    pshuflw {{.*#+}} xmm2 = xmm2[0,2,2,3,4,5,6,7]
-; SSE2-NEXT:    pshufhw {{.*#+}} xmm2 = xmm2[0,1,2,3,4,6,6,7]
-; SSE2-NEXT:    pshufd {{.*#+}} xmm2 = xmm2[0,2,2,3]
-; SSE2-NEXT:    punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm3[0]
-; SSE2-NEXT:    movdqa %xmm0, %xmm3
-; SSE2-NEXT:    pand %xmm2, %xmm3
-; SSE2-NEXT:    pandn %xmm1, %xmm2
-; SSE2-NEXT:    por %xmm3, %xmm2
-; SSE2-NEXT:    punpcklwd {{.*#+}} xmm3 = xmm3[0],xmm2[0],xmm3[1],xmm2[1],xmm3[2],xmm2[2],xmm3[3],xmm2[3]
-; SSE2-NEXT:    psrad $16, %xmm3
-; SSE2-NEXT:    punpckhwd {{.*#+}} xmm2 = xmm2[4,4,5,5,6,6,7,7]
-; SSE2-NEXT:    psrad $16, %xmm2
-; SSE2-NEXT:    movdqa %xmm2, dj+4112(%rax)
-; SSE2-NEXT:    movdqa %xmm3, dj+4096(%rax)
-; SSE2-NEXT:    addq $32, %rax
-; SSE2-NEXT:    jne .LBB1_1
-; SSE2-NEXT:  # BB#2: # %for.end
-; SSE2-NEXT:    retq
-;
-; SSE41-LABEL: _Z9example24ss:
-; SSE41:       # BB#0: # %vector.ph
-; SSE41-NEXT:    movd %edi, %xmm0
-; SSE41-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
-; SSE41-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
-; SSE41-NEXT:    movd %esi, %xmm1
-; SSE41-NEXT:    pshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
-; SSE41-NEXT:    pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
-; SSE41-NEXT:    movq $-4096, %rax # imm = 0xF000
-; SSE41-NEXT:    movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; SSE41-NEXT:    .p2align 4, 0x90
-; SSE41-NEXT:  .LBB1_1: # %vector.body
-; SSE41-NEXT:    # =>This Inner Loop Header: Depth=1
-; SSE41-NEXT:    movaps da+4096(%rax), %xmm3
-; SSE41-NEXT:    movaps da+4112(%rax), %xmm4
-; SSE41-NEXT:    cmpltps db+4112(%rax), %xmm4
-; SSE41-NEXT:    pshufb %xmm2, %xmm4
-; SSE41-NEXT:    cmpltps db+4096(%rax), %xmm3
-; SSE41-NEXT:    pshufb %xmm2, %xmm3
-; SSE41-NEXT:    punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm4[0]
-; SSE41-NEXT:    movdqa %xmm0, %xmm4
-; SSE41-NEXT:    pand %xmm3, %xmm4
-; SSE41-NEXT:    pandn %xmm1, %xmm3
-; SSE41-NEXT:    por %xmm4, %xmm3
-; SSE41-NEXT:    pshufd {{.*#+}} xmm4 = xmm3[2,3,0,1]
-; SSE41-NEXT:    pmovsxwd %xmm4, %xmm4
-; SSE41-NEXT:    pmovsxwd %xmm3, %xmm3
-; SSE41-NEXT:    movdqa %xmm3, dj+4096(%rax)
-; SSE41-NEXT:    movdqa %xmm4, dj+4112(%rax)
-; SSE41-NEXT:    addq $32, %rax
-; SSE41-NEXT:    jne .LBB1_1
-; SSE41-NEXT:  # BB#2: # %for.end
-; SSE41-NEXT:    retq
-;
-; AVX1-LABEL: _Z9example24ss:
-; AVX1:       # BB#0: # %vector.ph
-; AVX1-NEXT:    vmovd %edi, %xmm0
-; AVX1-NEXT:    vpshuflw {{.*#+}} xmm0 = xmm0[0,0,0,0,4,5,6,7]
-; AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,1,1]
-; AVX1-NEXT:    vmovd %esi, %xmm1
-; AVX1-NEXT:    vpshuflw {{.*#+}} xmm1 = xmm1[0,0,0,0,4,5,6,7]
-; AVX1-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
-; AVX1-NEXT:    movq $-4096, %rax # imm = 0xF000
-; AVX1-NEXT:    .p2align 4, 0x90
-; AVX1-NEXT:  .LBB1_1: # %vector.body
-; AVX1-NEXT:    # =>This Inner Loop Header: Depth=1
-; AVX1-NEXT:    vmovups da+4096(%rax), %ymm2
-; AVX1-NEXT:    vcmpltps db+4096(%rax), %ymm2, %ymm2
-; AVX1-NEXT:    vextractf128 $1, %ymm2, %xmm3
-; AVX1-NEXT:    vpacksswb %xmm3, %xmm2, %xmm2
-; AVX1-NEXT:    vpandn %xmm1, %xmm2, %xmm3
-; AVX1-NEXT:    vpand %xmm2, %xmm0, %xmm2
-; AVX1-NEXT:    vpor %xmm3, %xmm2, %xmm2
-; AVX1-NEXT:    vpmovsxwd %xmm2, %xmm3
-; AVX1-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[2,3,0,1]
-; AVX1-NEXT:    vpmovsxwd %xmm2, %xmm2
-; AVX1-NEXT:    vinsertf128 $1, %xmm2, %ymm3, %ymm2
-; AVX1-NEXT:    vmovups %ymm2, dj+4096(%rax)
-; AVX1-NEXT:    addq $32, %rax
-; AVX1-NEXT:    jne .LBB1_1
-; AVX1-NEXT:  # BB#2: # %for.end
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-LABEL: _Z9example24ss:
-; AVX2:       # BB#0: # %vector.ph
-; AVX2-NEXT:    vmovd %edi, %xmm0
-; AVX2-NEXT:    vpbroadcastw %xmm0, %xmm0
-; AVX2-NEXT:    vmovd %esi, %xmm1
-; AVX2-NEXT:    vpbroadcastw %xmm1, %xmm1
-; AVX2-NEXT:    movq $-4096, %rax # imm = 0xF000
-; AVX2-NEXT:    .p2align 4, 0x90
-; AVX2-NEXT:  .LBB1_1: # %vector.body
-; AVX2-NEXT:    # =>This Inner Loop Header: Depth=1
-; AVX2-NEXT:    vmovups da+4096(%rax), %ymm2
-; AVX2-NEXT:    vcmpltps db+4096(%rax), %ymm2, %ymm2
-; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm3
-; AVX2-NEXT:    vpacksswb %xmm3, %xmm2, %xmm2
-; AVX2-NEXT:    vpandn %xmm1, %xmm2, %xmm3
-; AVX2-NEXT:    vpand %xmm2, %xmm0, %xmm2
-; AVX2-NEXT:    vpor %xmm3, %xmm2, %xmm2
-; AVX2-NEXT:    vpmovsxwd %xmm2, %ymm2
-; AVX2-NEXT:    vmovdqu %ymm2, dj+4096(%rax)
-; AVX2-NEXT:    addq $32, %rax
-; AVX2-NEXT:    jne .LBB1_1
-; AVX2-NEXT:  # BB#2: # %for.end
-; AVX2-NEXT:    vzeroupper
-; AVX2-NEXT:    retq
-vector.ph:
-  %0 = insertelement <8 x i16> undef, i16 %x, i32 0
-  %broadcast11 = shufflevector <8 x i16> %0, <8 x i16> undef, <8 x i32> zeroinitializer
-  %1 = insertelement <8 x i16> undef, i16 %y, i32 0
-  %broadcast12 = shufflevector <8 x i16> %1, <8 x i16> undef, <8 x i32> zeroinitializer
-  br label %vector.body
-
-vector.body:                                      ; preds = %vector.body, %vector.ph
-  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
-  %2 = getelementptr inbounds [1024 x float], [1024 x float]* @da, i64 0, i64 %index
-  %3 = bitcast float* %2 to <8 x float>*
-  %4 = load <8 x float>, <8 x float>* %3, align 16
-  %5 = getelementptr inbounds [1024 x float], [1024 x float]* @db, i64 0, i64 %index
-  %6 = bitcast float* %5 to <8 x float>*
-  %7 = load <8 x float>, <8 x float>* %6, align 16
-  %8 = fcmp olt <8 x float> %4, %7
-  %9 = select <8 x i1> %8, <8 x i16> %broadcast11, <8 x i16> %broadcast12
-  %10 = sext <8 x i16> %9 to <8 x i32>
-  %11 = getelementptr inbounds [1024 x i32], [1024 x i32]* @dj, i64 0, i64 %index
-  %12 = bitcast i32* %11 to <8 x i32>*
-  store <8 x i32> %10, <8 x i32>* %12, align 16
-  %index.next = add i64 %index, 8
-  %13 = icmp eq i64 %index.next, 1024
-  br i1 %13, label %for.end, label %vector.body
-
-for.end:                                          ; preds = %vector.body
-  ret void
-}