From b5f1a87f74d7f4213c8412f7ec059431dfdaa2f2 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Thu, 3 Jan 2019 22:55:18 +0000
Subject: [PATCH] [x86] add 512-bit vector tests for horizontal ops; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350364 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/haddsub-undef.ll  | 57 +++++++++++++++++++++++++++--
 test/CodeGen/X86/phaddsub-undef.ll | 73 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+), 2 deletions(-)

diff --git a/test/CodeGen/X86/haddsub-undef.ll b/test/CodeGen/X86/haddsub-undef.ll
index 56e01cb8abe..3e5851bacb2 100644
--- a/test/CodeGen/X86/haddsub-undef.ll
+++ b/test/CodeGen/X86/haddsub-undef.ll
@@ -3,8 +3,8 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse3,fast-hops     | FileCheck %s --check-prefixes=SSE,SSE-FAST
 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx                | FileCheck %s --check-prefixes=AVX,AVX-SLOW,AVX1-SLOW
 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx,fast-hops      | FileCheck %s --check-prefixes=AVX,AVX-FAST,AVX1-FAST
-; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f            | FileCheck %s --check-prefixes=AVX,AVX-SLOW,AVX512-SLOW
-; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f,fast-hops  | FileCheck %s --check-prefixes=AVX,AVX-FAST,AVX512-FAST
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f            | FileCheck %s --check-prefixes=AVX,AVX-SLOW,AVX512,AVX512-SLOW
+; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx512f,fast-hops  | FileCheck %s --check-prefixes=AVX,AVX-FAST,AVX512,AVX512-FAST
 
 ; Verify that we correctly fold horizontal binop even in the presence of UNDEFs.
 
@@ -316,6 +316,59 @@ define <8 x float> @test13_undef(<8 x float> %a, <8 x float> %b) {
   ret <8 x float> %vecinit4
 }
 
+define <16 x float> @test13_v16f32_undef(<16 x float> %a, <16 x float> %b) {
+; SSE-LABEL: test13_v16f32_undef:
+; SSE:       # %bb.0:
+; SSE-NEXT:    haddps %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX1-SLOW-LABEL: test13_v16f32_undef:
+; AVX1-SLOW:       # %bb.0:
+; AVX1-SLOW-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-SLOW-NEXT:    vhaddps %xmm1, %xmm0, %xmm0
+; AVX1-SLOW-NEXT:    retq
+;
+; AVX1-FAST-LABEL: test13_v16f32_undef:
+; AVX1-FAST:       # %bb.0:
+; AVX1-FAST-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-FAST-NEXT:    vhaddps %xmm1, %xmm0, %xmm0
+; AVX1-FAST-NEXT:    retq
+;
+; AVX512-LABEL: test13_v16f32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; AVX512-NEXT:    vaddss %xmm1, %xmm0, %xmm1
+; AVX512-NEXT:    vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
+; AVX512-NEXT:    vpermilps {{.*#+}} xmm3 = xmm0[3,1,2,3]
+; AVX512-NEXT:    vaddss %xmm3, %xmm2, %xmm2
+; AVX512-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[2,3]
+; AVX512-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; AVX512-NEXT:    vmovshdup {{.*#+}} xmm2 = xmm0[1,1,3,3]
+; AVX512-NEXT:    vaddss %xmm2, %xmm0, %xmm2
+; AVX512-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
+; AVX512-NEXT:    vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
+; AVX512-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[3,1,2,3]
+; AVX512-NEXT:    vaddss %xmm0, %xmm2, %xmm0
+; AVX512-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX512-NEXT:    retq
+  %vecext = extractelement <16 x float> %a, i32 0
+  %vecext1 = extractelement <16 x float> %a, i32 1
+  %add1 = fadd float %vecext, %vecext1
+  %vecinit1 = insertelement <16 x float> undef, float %add1, i32 0
+  %vecext2 = extractelement <16 x float> %a, i32 2
+  %vecext3 = extractelement <16 x float> %a, i32 3
+  %add2 = fadd float %vecext2, %vecext3
+  %vecinit2 = insertelement <16 x float> %vecinit1, float %add2, i32 1
+  %vecext4 = extractelement <16 x float> %a, i32 4
+  %vecext5 = extractelement <16 x float> %a, i32 5
+  %add3 = fadd float %vecext4, %vecext5
+  %vecinit3 = insertelement <16 x float> %vecinit2, float %add3, i32 2
+  %vecext6 = extractelement <16 x float> %a, i32 6
+  %vecext7 = extractelement <16 x float> %a, i32 7
+  %add4 = fadd float %vecext6, %vecext7
+  %vecinit4 = insertelement <16 x float> %vecinit3, float %add4, i32 3
+  ret <16 x float> %vecinit4
+}
 define <2 x double> @add_pd_003(<2 x double> %x) {
 ; SSE-SLOW-LABEL: add_pd_003:
 ; SSE-SLOW:       # %bb.0:
diff --git a/test/CodeGen/X86/phaddsub-undef.ll b/test/CodeGen/X86/phaddsub-undef.ll
index 740db28bb08..61f4ab43b52 100644
--- a/test/CodeGen/X86/phaddsub-undef.ll
+++ b/test/CodeGen/X86/phaddsub-undef.ll
@@ -124,6 +124,37 @@ define <8 x i32> @test16_undef(<8 x i32> %a, <8 x i32> %b) {
   ret <8 x i32> %vecinit5
 }
 
+define <16 x i32> @test16_v16i32_undef(<16 x i32> %a, <16 x i32> %b) {
+; SSE-LABEL: test16_v16i32_undef:
+; SSE:       # %bb.0:
+; SSE-NEXT:    phaddd %xmm0, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX1-LABEL: test16_v16i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vphaddd %xmm0, %xmm0, %xmm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: test16_v16i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vphaddd %ymm0, %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: test16_v16i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vphaddd %xmm0, %xmm0, %xmm0
+; AVX512-NEXT:    retq
+  %vecext = extractelement <16 x i32> %a, i32 0
+  %vecext1 = extractelement <16 x i32> %a, i32 1
+  %add = add i32 %vecext, %vecext1
+  %vecinit = insertelement <16 x i32> undef, i32 %add, i32 0
+  %vecext2 = extractelement <16 x i32> %a, i32 2
+  %vecext3 = extractelement <16 x i32> %a, i32 3
+  %add4 = add i32 %vecext2, %vecext3
+  %vecinit5 = insertelement <16 x i32> %vecinit, i32 %add4, i32 1
+  ret <16 x i32> %vecinit5
+}
+
 define <8 x i32> @test17_undef(<8 x i32> %a, <8 x i32> %b) {
 ; SSE-LABEL: test17_undef:
 ; SSE:       # %bb.0:
@@ -166,3 +197,45 @@ define <8 x i32> @test17_undef(<8 x i32> %a, <8 x i32> %b) {
   ret <8 x i32> %vecinit4
 }
 
+define <16 x i32> @test17_v16i32_undef(<16 x i32> %a, <16 x i32> %b) {
+; SSE-LABEL: test17_v16i32_undef:
+; SSE:       # %bb.0:
+; SSE-NEXT:    phaddd %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX1-LABEL: test17_v16i32_undef:
+; AVX1:       # %bb.0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vphaddd %xmm1, %xmm0, %xmm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: test17_v16i32_undef:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vphaddd %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    retq
+;
+; AVX512-LABEL: test17_v16i32_undef:
+; AVX512:       # %bb.0:
+; AVX512-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX512-NEXT:    vphaddd %xmm1, %xmm0, %xmm0
+; AVX512-NEXT:    retq
+  %vecext = extractelement <16 x i32> %a, i32 0
+  %vecext1 = extractelement <16 x i32> %a, i32 1
+  %add1 = add i32 %vecext, %vecext1
+  %vecinit1 = insertelement <16 x i32> undef, i32 %add1, i32 0
+  %vecext2 = extractelement <16 x i32> %a, i32 2
+  %vecext3 = extractelement <16 x i32> %a, i32 3
+  %add2 = add i32 %vecext2, %vecext3
+  %vecinit2 = insertelement <16 x i32> %vecinit1, i32 %add2, i32 1
+  %vecext4 = extractelement <16 x i32> %a, i32 4
+  %vecext5 = extractelement <16 x i32> %a, i32 5
+  %add3 = add i32 %vecext4, %vecext5
+  %vecinit3 = insertelement <16 x i32> %vecinit2, i32 %add3, i32 2
+  %vecext6 = extractelement <16 x i32> %a, i32 6
+  %vecext7 = extractelement <16 x i32> %a, i32 7
+  %add4 = add i32 %vecext6, %vecext7
+  %vecinit4 = insertelement <16 x i32> %vecinit3, i32 %add4, i32 3
+  ret <16 x i32> %vecinit4
+}
+
-- 
2.11.0