From b6d43abb7cd9d23c0d1ca55b9865571052a535b6 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 18 Aug 2015 20:51:15 +0000
Subject: [PATCH] [X86][AVX] Added shuffle concatenation tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245351 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/vector-shuffle-256-v16.ll | 27 ++++++++++++++++++++++
 test/CodeGen/X86/vector-shuffle-256-v4.ll  | 26 +++++++++++++++++++++
 test/CodeGen/X86/vector-shuffle-256-v8.ll  | 27 ++++++++++++++++++++++
 3 files changed, 80 insertions(+)

diff --git a/test/CodeGen/X86/vector-shuffle-256-v16.ll b/test/CodeGen/X86/vector-shuffle-256-v16.ll
index df4994da693..6683ea2b6a5 100644
--- a/test/CodeGen/X86/vector-shuffle-256-v16.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v16.ll
@@ -3261,3 +3261,30 @@ define <16 x i16> @insert_v16i16_0elt_into_zero_vector(i16* %ptr) {
   ret <16 x i16> %i0
 }
 
+define <16 x i16> @concat_v16i16_0_1_2_3_4_5_6_7_24_25_26_27_28_29_30_31(<16 x i16> %a, <16 x i16> %b) {
+; ALL-LABEL: concat_v16i16_0_1_2_3_4_5_6_7_24_25_26_27_28_29_30_31:
+; ALL:       # BB#0:
+; ALL-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %alo = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %bhi = shufflevector <16 x i16> %b, <16 x i16> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %shuf = shufflevector <8 x i16> %alo, <8 x i16> %bhi, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  ret <16 x i16> %shuf
+}
+
+define <16 x i16> @concat_v16i16_8_9_10_11_12_13_14_15_24_25_26_27_28_29_30_31_bc(<16 x i16> %a, <16 x i16> %b) {
+; ALL-LABEL: concat_v16i16_8_9_10_11_12_13_14_15_24_25_26_27_28_29_30_31_bc:
+; ALL:       # BB#0:
+; ALL-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; ALL-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %ahi = shufflevector <16 x i16> %a, <16 x i16> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %bhi = shufflevector <16 x i16> %b, <16 x i16> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
+  %bc0hi = bitcast <8 x i16> %ahi to <16 x i8>
+  %bc1hi = bitcast <8 x i16> %bhi to <16 x i8>
+  %shuffle8 = shufflevector <16 x i8> %bc0hi, <16 x i8> %bc1hi, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
+  %shuffle16 = bitcast <32 x i8> %shuffle8 to <16 x i16>
+  ret <16 x i16> %shuffle16
+}
diff --git a/test/CodeGen/X86/vector-shuffle-256-v4.ll b/test/CodeGen/X86/vector-shuffle-256-v4.ll
index 62bf288a870..16263728314 100644
--- a/test/CodeGen/X86/vector-shuffle-256-v4.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v4.ll
@@ -972,3 +972,29 @@ define <4 x double> @bitcast_v4f64_0426(<4 x double> %a, <4 x double> %b) {
   %bitcast64 = bitcast <16 x i16> %shuffle16 to <4 x double>
   ret <4 x double> %bitcast64
 }
+
+define <4 x i64> @concat_v4i64_0167(<4 x i64> %a0, <4 x i64> %a1) {
+; ALL-LABEL: concat_v4i64_0167:
+; ALL:       # BB#0:
+; ALL-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %a0lo = shufflevector <4 x i64> %a0, <4 x i64> %a1, <2 x i32> <i32 0, i32 1>
+  %a1hi = shufflevector <4 x i64> %a0, <4 x i64> %a1, <2 x i32> <i32 6, i32 7>
+  %shuffle64 = shufflevector <2 x i64> %a0lo, <2 x i64> %a1hi, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  ret <4 x i64> %shuffle64
+}
+
+define <4 x i64> @concat_v4i64_0145_bc(<4 x i64> %a0, <4 x i64> %a1) {
+; ALL-LABEL: concat_v4i64_0145_bc:
+; ALL:       # BB#0:
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %a0lo = shufflevector <4 x i64> %a0, <4 x i64> %a1, <2 x i32> <i32 0, i32 1>
+  %a1lo = shufflevector <4 x i64> %a0, <4 x i64> %a1, <2 x i32> <i32 4, i32 5>
+  %bc0lo = bitcast <2 x i64> %a0lo to <4 x i32>
+  %bc1lo = bitcast <2 x i64> %a1lo to <4 x i32>
+  %shuffle32 = shufflevector <4 x i32> %bc0lo, <4 x i32> %bc1lo, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %shuffle64 = bitcast <8 x i32> %shuffle32 to <4 x i64>
+  ret <4 x i64> %shuffle64
+}
diff --git a/test/CodeGen/X86/vector-shuffle-256-v8.ll b/test/CodeGen/X86/vector-shuffle-256-v8.ll
index bc72e0a6617..5a19bd6c677 100644
--- a/test/CodeGen/X86/vector-shuffle-256-v8.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v8.ll
@@ -2098,3 +2098,30 @@ define <8 x i32> @insert_mem_and_zero_v8i32(i32* %ptr) {
   ret <8 x i32> %shuffle
 }
 
+define <8 x i32> @concat_v8i32_0123CDEF(<8 x i32> %a, <8 x i32> %b) {
+; ALL-LABEL: concat_v8i32_0123CDEF:
+; ALL:       # BB#0:
+; ALL-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %alo = shufflevector <8 x i32> %a, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %bhi = shufflevector <8 x i32> %b, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %shuf = shufflevector <4 x i32> %alo, <4 x i32> %bhi, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <8 x i32> %shuf
+}
+
+define <8 x i32> @concat_v8i32_4567CDEF_bc(<8 x i32> %a0, <8 x i32> %a1) {
+; ALL-LABEL: concat_v8i32_4567CDEF_bc:
+; ALL:       # BB#0:
+; ALL-NEXT:    vextractf128 $1, %ymm0, %xmm0
+; ALL-NEXT:    vextractf128 $1, %ymm1, %xmm1
+; ALL-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; ALL-NEXT:    retq
+  %a0hi = shufflevector <8 x i32> %a0, <8 x i32> %a1, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+  %a1hi = shufflevector <8 x i32> %a0, <8 x i32> %a1, <4 x i32> <i32 12, i32 13, i32 14, i32 15>
+  %bc0hi = bitcast <4 x i32> %a0hi to <2 x i64>
+  %bc1hi = bitcast <4 x i32> %a1hi to <2 x i64>
+  %shuffle64 = shufflevector <2 x i64> %bc0hi, <2 x i64> %bc1hi, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  %shuffle32 = bitcast <4 x i64> %shuffle64 to <8 x i32>
+  ret <8 x i32> %shuffle32
+}
-- 
2.34.1