From 9e11f96df67bb03dc439671d4768e5e3d713500d Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Sat, 28 Apr 2018 06:58:27 +0000
Subject: [PATCH] [X86] Remove mayLoad flag from BNDMK/BNDCL/BNDCN/BNDCU.

The instruction documentation specifically says that these instruction don't access memory.

llvm-svn: 331105
---
 llvm/lib/Target/X86/X86InstrMPX.td | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/llvm/lib/Target/X86/X86InstrMPX.td b/llvm/lib/Target/X86/X86InstrMPX.td
index 146b9f2b86dd..e9037910aa80 100644
--- a/llvm/lib/Target/X86/X86InstrMPX.td
+++ b/llvm/lib/Target/X86/X86InstrMPX.td
@@ -17,7 +17,6 @@
 let SchedRW = [WriteSystem] in {
 
 multiclass mpx_bound_make<bits<8> opc, string OpcodeStr> {
-let mayLoad = 1 in {
   def 32rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins anymem:$src),
               OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
               Requires<[HasMPX, Not64BitMode]>;
@@ -25,19 +24,17 @@ let mayLoad = 1 in {
               OpcodeStr#"\t{$src, $dst|$dst, $src}", []>,
               Requires<[HasMPX, In64BitMode]>;
 }
-}
 
 defm BNDMK : mpx_bound_make<0x1B, "bndmk">, XS;
 
 multiclass mpx_bound_check<bits<8> opc, string OpcodeStr> {
-let mayLoad = 1 in {
   def 32rm: I<opc, MRMSrcMem, (outs), (ins  BNDR:$src1, anymem:$src2),
               OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
               Requires<[HasMPX, Not64BitMode]>;
   def 64rm: I<opc, MRMSrcMem, (outs), (ins  BNDR:$src1, anymem:$src2),
               OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
               Requires<[HasMPX, In64BitMode]>;
-}
+
   def 32rr: I<opc, MRMSrcReg, (outs), (ins  BNDR:$src1, GR32:$src2),
               OpcodeStr#"\t{$src2, $src1|$src1, $src2}", []>,
               Requires<[HasMPX, Not64BitMode]>;