Lower some x86 shuffle sequences to the vblend family of instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154313 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 40 insertions, 0 deletions

diff --git a/test/CodeGen/X86/avx-shuffle.ll b/test/CodeGen/X86/avx-shuffle.ll
index 4885842..f323f3f 100644
--- a/test/CodeGen/X86/avx-shuffle.ll
+++ b/test/CodeGen/X86/avx-shuffle.ll
@@ -162,3 +162,43 @@ i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32
 62>
  ret <32 x i8> %0
 }
+
+; CHECK: blend1
+; CHECK: vblendvps
+; CHECK: ret
+define <4 x i32> @blend1(<4 x i32> %a, <4 x i32> %b) nounwind alwaysinline {
+  %t = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
+  ret <4 x i32> %t
+}
+
+; CHECK: blend2
+; CHECK: vblendvps
+; CHECK: ret
+define <4 x i32> @blend2(<4 x i32> %a, <4 x i32> %b) nounwind alwaysinline {
+  %t = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  ret <4 x i32> %t
+}
+
+; CHECK: blend2a
+; CHECK: vblendvps
+; CHECK: ret
+define <4 x float> @blend2a(<4 x float> %a, <4 x float> %b) nounwind alwaysinline {
+  %t = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  ret <4 x float> %t
+}
+
+; CHECK: blend3
+; CHECK-NOT: vblendvps
+; CHECK: ret
+define <4 x i32> @blend3(<4 x i32> %a, <4 x i32> %b) nounwind alwaysinline {
+  %t = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 1, i32 5, i32 2, i32 7>
+  ret <4 x i32> %t
+}
+
+; CHECK: blend4
+; CHECK: vblendvpd
+; CHECK: ret
+define <4 x i64> @blend4(<4 x i64> %a, <4 x i64> %b) nounwind alwaysinline {
+  %t = shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
+  ret <4 x i64> %t
+}