Add X86 instruction selection for VPERM2I128 when AVX2 is enabled. Merge VPERMILPS/VPERMILPD detection since they are pretty similar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145238 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 38 insertions, 0 deletions

diff --git a/test/CodeGen/X86/avx2-vperm2i128.ll b/test/CodeGen/X86/avx2-vperm2i128.ll
new file mode 100644
index 0000000000..0f24ac3331
--- /dev/null
+++ b/test/CodeGen/X86/avx2-vperm2i128.ll
@@ -0,0 +1,38 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 -mattr=+avx2 | FileCheck %s
+
+; CHECK: vperm2i128 $17
+define <32 x i8> @E(<32 x i8> %a, <32 x i8> %b) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <32 x i8> %a, <32 x i8> %b, <32 x i32> <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, 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>
+  ret <32 x i8> %shuffle
+}
+
+; CHECK: vperm2i128 $33
+define <4 x i64> @E2(<4 x i64> %a, <4 x i64> %b) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
+  ret <4 x i64> %shuffle
+}
+
+; CHECK: vperm2i128 $49
+define <8 x i32> @E3(<8 x i32> %a, <8 x i32> %b) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <8 x i32> %a, <8 x i32> %b, <8 x i32> <i32 undef, i32 5, i32 undef, i32 7, i32 12, i32 13, i32 14, i32 15>
+  ret <8 x i32> %shuffle
+}
+
+; CHECK: vperm2i128 $2
+define <16 x i16> @E4(<16 x i16> %a, <16 x i16> %b) nounwind uwtable readnone ssp {
+entry:
+  %shuffle = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <16 x i16> %shuffle
+}
+
+; CHECK: vperm2i128 $2, (%
+define <16 x i16> @E5(<16 x i16>* %a, <16 x i16>* %b) nounwind uwtable readnone ssp {
+entry:
+  %c = load <16 x i16>* %a
+  %d = load <16 x i16>* %b
+  %shuffle = shufflevector <16 x i16> %c, <16 x i16> %d, <16 x i32> <i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <16 x i16> %shuffle
+}