[X86] Add hasSideEffects=0 back to ADOX instructions. Partial cherrypick from r328952.

This flag was present before the cherrypick of 328945. This matches what happened on trunk. I've left out the scheduling changes from r328952 to minimize changes from 6.0.1.

llvm-svn: 332943

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/X86InstrArithmetic.td b/llvm/lib/Target/X86/X86InstrArithmetic.td
index 0ae857c0bcc7..98cc8fb7439e 100644
--- a/llvm/lib/Target/X86/X86InstrArithmetic.td
+++ b/llvm/lib/Target/X86/X86InstrArithmetic.td
@@ -1351,11 +1351,13 @@ let Predicates = [HasADX], Defs = [EFLAGS], Uses = [EFLAGS],
              IIC_BIN_CARRY_NONMEM>, T8PD;
 
   // We don't have patterns for ADOX yet.
+  let hasSideEffects = 0 in {
   def ADOX32rr : I<0xF6, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src0, GR32:$src),
              "adox{l}\t{$src, $dst|$dst, $src}", [], IIC_BIN_NONMEM>, T8XS;
 
   def ADOX64rr : RI<0xF6, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src0, GR64:$src),
              "adox{q}\t{$src, $dst|$dst, $src}", [], IIC_BIN_NONMEM>, T8XS;
+  } // hasSideEffects = 0
   } // SchedRW
 
   let mayLoad = 1, SchedRW = [WriteALULd] in {
@@ -1372,10 +1374,12 @@ let Predicates = [HasADX], Defs = [EFLAGS], Uses = [EFLAGS],
              IIC_BIN_CARRY_MEM>, T8PD;
 
   // We don't have patterns for ADOX yet.
+  let hasSideEffects = 0 in {
   def ADOX32rm : I<0xF6, MRMSrcMem, (outs GR32:$dst), (ins GR32:$src0, i32mem:$src),
              "adox{l}\t{$src, $dst|$dst, $src}", [], IIC_BIN_MEM>, T8XS;
 
   def ADOX64rm : RI<0xF6, MRMSrcMem, (outs GR64:$dst), (ins GR64:$src0, i64mem:$src),
              "adox{q}\t{$src, $dst|$dst, $src}", [], IIC_BIN_MEM>, T8XS;
   }
+  } // hasSideEffects = 0
 }