[AVX512] Add hasSideEffects=0 to kunpck instructions since they lack a pattern in...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256816 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 8bf2925a75dbbbdb0fecf8144f0509e762f2bb72..0a27c33f033e4781cc3662dc5a54be67acbe90f5 100644 (file)
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -2366,6 +2366,7 @@ def : Pat<(xor (xor VK1:$src1, VK1:$src2), (i1 1)),
 multiclass avx512_mask_unpck<string Suffix,RegisterClass KRC, ValueType VT,
                              RegisterClass KRCSrc, Predicate prd> {
   let Predicates = [prd] in {
+    let hasSideEffects = 0 in
     def rr : I<0x4b, MRMSrcReg, (outs KRC:$dst),
                (ins KRC:$src1, KRC:$src2),
                "kunpck"#Suffix#"\t{$src2, $src1, $dst|$dst, $src1, $src2}", []>,