Extend VPBLENDVB and VPSIGN lowering to work for AVX2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144987 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 29 insertions, 0 deletions

diff --git a/test/CodeGen/X86/avx2-logic.ll b/test/CodeGen/X86/avx2-logic.ll
index f1c294c066..aa3d37d553 100644
--- a/test/CodeGen/X86/avx2-logic.ll
+++ b/test/CodeGen/X86/avx2-logic.ll
@@ -53,3 +53,32 @@ define <32 x i8> @vpblendvb(<32 x i8> %x, <32 x i8> %y) {
   %min = select <32 x i1> %min_is_x, <32 x i8> %x, <32 x i8> %y
   ret <32 x i8> %min
 }
+
+define <8 x i32> @signd(<8 x i32> %a, <8 x i32> %b) nounwind {
+entry:
+; CHECK: signd:
+; CHECK: psignd
+; CHECK-NOT: sub
+; CHECK: ret
+  %b.lobit = ashr <8 x i32> %b, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
+  %sub = sub nsw <8 x i32> zeroinitializer, %a
+  %0 = xor <8 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
+  %1 = and <8 x i32> %a, %0
+  %2 = and <8 x i32> %b.lobit, %sub
+  %cond = or <8 x i32> %1, %2
+  ret <8 x i32> %cond
+}
+
+define <8 x i32> @blendvb(<8 x i32> %b, <8 x i32> %a, <8 x i32> %c) nounwind {
+entry:
+; CHECK: blendvb:
+; CHECK: pblendvb
+; CHECK: ret
+  %b.lobit = ashr <8 x i32> %b, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
+  %sub = sub nsw <8 x i32> zeroinitializer, %a
+  %0 = xor <8 x i32> %b.lobit, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
+  %1 = and <8 x i32> %c, %0
+  %2 = and <8 x i32> %a, %b.lobit
+  %cond = or <8 x i32> %1, %2
+  ret <8 x i32> %cond
+}