[X86] Adding a test for horizontal [f]add/[f]sub for avx512 vector type 16x32.

Differential Revision: https://reviews.llvm.org/D37183

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311834 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/avx512-hadd-hsub.ll b/test/CodeGen/X86/avx512-hadd-hsub.ll
new file mode 100644 (file)
index 0000000..e15492b
--- /dev/null
+++ b/test/CodeGen/X86/avx512-hadd-hsub.ll
@@ -0,0 +1,112 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+;RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl | FileCheck %s --check-prefix=CHECK --check-prefix=KNL
+;RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=SKX
+
+define i32 @hadd_16(<16 x i32> %x225) {
+; KNL-LABEL: hadd_16:
+; KNL:       # BB#0:
+; KNL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
+; KNL-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; KNL-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vmovd %xmm0, %eax
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: hadd_16:
+; SKX:       # BB#0:
+; SKX-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
+; SKX-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; SKX-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vmovd %xmm0, %eax
+; SKX-NEXT:    vzeroupper
+; SKX-NEXT:    retq
+  %x226 = shufflevector <16 x i32> %x225, <16 x i32> undef, <16 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x227 = add <16 x i32> %x225, %x226
+  %x228 = shufflevector <16 x i32> %x227, <16 x i32> undef, <16 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x229 = add <16 x i32> %x227, %x228
+  %x230 = extractelement <16 x i32> %x229, i32 0
+  ret i32 %x230
+}
+
+define i32 @hsub_16(<16 x i32> %x225) {
+; KNL-LABEL: hsub_16:
+; KNL:       # BB#0:
+; KNL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
+; KNL-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; KNL-NEXT:    vpsubd %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vmovd %xmm0, %eax
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: hsub_16:
+; SKX:       # BB#0:
+; SKX-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
+; SKX-NEXT:    vpaddd %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; SKX-NEXT:    vpsubd %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vmovd %xmm0, %eax
+; SKX-NEXT:    vzeroupper
+; SKX-NEXT:    retq
+  %x226 = shufflevector <16 x i32> %x225, <16 x i32> undef, <16 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x227 = add <16 x i32> %x225, %x226
+  %x228 = shufflevector <16 x i32> %x227, <16 x i32> undef, <16 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x229 = sub <16 x i32> %x227, %x228
+  %x230 = extractelement <16 x i32> %x229, i32 0
+  ret i32 %x230
+}
+
+define float @fhadd_16(<16 x float> %x225) {
+; KNL-LABEL: fhadd_16:
+; KNL:       # BB#0:
+; KNL-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; KNL-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; KNL-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: fhadd_16:
+; SKX:       # BB#0:
+; SKX-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; SKX-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; SKX-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
+; SKX-NEXT:    vzeroupper
+; SKX-NEXT:    retq
+  %x226 = shufflevector <16 x float> %x225, <16 x float> undef, <16 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x227 = fadd <16 x float> %x225, %x226
+  %x228 = shufflevector <16 x float> %x227, <16 x float> undef, <16 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x229 = fadd <16 x float> %x227, %x228
+  %x230 = extractelement <16 x float> %x229, i32 0
+  ret float %x230
+}
+
+define float @fhsub_16(<16 x float> %x225) {
+; KNL-LABEL: fhsub_16:
+; KNL:       # BB#0:
+; KNL-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; KNL-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; KNL-NEXT:    vsubps %zmm1, %zmm0, %zmm0
+; KNL-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: fhsub_16:
+; SKX:       # BB#0:
+; SKX-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm0[1,0]
+; SKX-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; SKX-NEXT:    vsubps %zmm1, %zmm0, %zmm0
+; SKX-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
+; SKX-NEXT:    vzeroupper
+; SKX-NEXT:    retq
+  %x226 = shufflevector <16 x float> %x225, <16 x float> undef, <16 x i32> <i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x227 = fadd <16 x float> %x225, %x226
+  %x228 = shufflevector <16 x float> %x227, <16 x float> undef, <16 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %x229 = fsub <16 x float> %x227, %x228
+  %x230 = extractelement <16 x float> %x229, i32 0
+  ret float %x230
+}
+