[llvm] r334994 - [X86] Remove ReadAfterLd from avx512_shift_rmbi multiclass.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Mon Jun 18 16:20:57 2018
New Revision: 334994

URL: http://llvm.org/viewvc/llvm-project?rev=334994&view=rev
Log:
[X86] Remove ReadAfterLd from avx512_shift_rmbi multiclass.

The instructions that use this class don't have another source register. So I think this was just marking one of the address operands as ReadAfterLd?

Modified:
    llvm/trunk/lib/Target/X86/X86InstrAVX512.td

Modified: llvm/trunk/lib/Target/X86/X86InstrAVX512.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrAVX512.td?rev=334994&r1=334993&r2=334994&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrAVX512.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrAVX512.td Mon Jun 18 16:20:57 2018
@@ -5736,7 +5736,7 @@ multiclass avx512_shift_rmbi<bits<8> opc
                    (ins _.ScalarMemOp:$src1, u8imm:$src2), OpcodeStr,
       "$src2, ${src1}"##_.BroadcastStr, "${src1}"##_.BroadcastStr##", $src2",
      (_.VT (OpNode (X86VBroadcast (_.ScalarLdFrag addr:$src1)), (i8 imm:$src2)))>,
-     EVEX_B, Sched<[sched.Folded, ReadAfterLd]>;
+     EVEX_B, Sched<[sched.Folded]>;
 }
 
 multiclass avx512_shift_rrm<bits<8> opc, string OpcodeStr, SDNode OpNode,