1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_shuffle-40.ll b/test/CodeGen/X86/vec_shuffle-40.ll
new file mode 100644
index 0000000..75b45e3
--- /dev/null
+++ b/test/CodeGen/X86/vec_shuffle-40.ll
@@ -0,0 +1,22 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 | FileCheck %s
+
+define void @shuffle_v16i16(<16 x i16>* %a) {
+; CHECK-LABEL: shuffle_v16i16:
+; CHECK: vpshufb {{.*}}%ymm
+; CHECK-NOT: vpshufb {{.*}}%xmm
+entry:
+  %0 = load <16 x i16>* %a, align 32
+  %shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15>
+  store <16 x i16> %shuffle, <16 x i16>* %a, align 32
+  ret void
+}
+
+define void @shuffle_v16i16_lanecrossing(<16 x i16>* %a) {
+; CHECK-LABEL: shuffle_v16i16_lanecrossing:
+; CHECK-NOT: vpshufb {{.*}}%ymm
+entry:
+  %0 = load <16 x i16>* %a, align 32
+  %shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 13, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15>
+  store <16 x i16> %shuffle, <16 x i16>* %a, align 32
+  ret void
+}