Fix issues in shuffle decoding around VPERM* instructions. Fix shuffle decoding for VSHUFPS/D for 256-bit types. Add pattern matching for memory forms of VPERMILPS/VPERMILPD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145390 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/avx-vpermil.ll b/test/CodeGen/X86/avx-vpermil.ll
index 49b2f54..3d521e7 100644
--- a/test/CodeGen/X86/avx-vpermil.ll
+++ b/test/CodeGen/X86/avx-vpermil.ll
@@ -28,6 +28,14 @@
ret <4 x i64> %shuffle
}
+; CHECK: vpermilpd
+define <4 x i64> @funcQ(<4 x i64>* %a) nounwind uwtable readnone ssp {
+entry:
+ %a2 = load <4 x i64>* %a
+ %shuffle = shufflevector <4 x i64> %a2, <4 x i64> undef, <4 x i32> <i32 1, i32 0, i32 3, i32 3>
+ ret <4 x i64> %shuffle
+}
+
; vpermil should match masks like this: <u,3,1,2,4,u,5,6>. Check that the
; target specific mask was correctly generated.
; CHECK: vpermilps $-100