diff --git a/llvm/lib/Target/X86/X86InstrArithmetic.td b/llvm/lib/Target/X86/X86InstrArithmetic.td
index 74b647a4f6b1..6c49b9ec063d 100644
--- a/llvm/lib/Target/X86/X86InstrArithmetic.td
+++ b/llvm/lib/Target/X86/X86InstrArithmetic.td
@@ -86,7 +86,7 @@ let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
 def MUL32m : I<0xF7, MRM4m, (outs), (ins i32mem:$src),
               "mul{l}\t$src",
               []>;          // EAX,EDX = EAX*[mem32]
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
 def MUL64m : RI<0xF7, MRM4m, (outs), (ins i64mem:$src),
                 "mul{q}\t$src", []>;         // RAX,RDX = RAX*[mem64]
 }
@@ -101,7 +101,7 @@ def IMUL16r : I<0xF7, MRM5r, (outs),  (ins GR16:$src), "imul{w}\t$src", []>,
 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
 def IMUL32r : I<0xF7, MRM5r, (outs),  (ins GR32:$src), "imul{l}\t$src", []>;
               // EAX,EDX = EAX*GR32
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
 def IMUL64r : RI<0xF7, MRM5r, (outs), (ins GR64:$src), "imul{q}\t$src", []>;
               // RAX,RDX = RAX*GR64
 
@@ -115,7 +115,7 @@ def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
 let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
                 "imul{l}\t$src", []>;  // EAX,EDX = EAX*[mem32]
-let Defs = [RAX,RDX,EFLAGS], Uses = [RAX], neverHasSideEffects = 1 in
+let Defs = [RAX,RDX,EFLAGS], Uses = [RAX] in
 def IMUL64m : RI<0xF7, MRM5m, (outs), (ins i64mem:$src),
                  "imul{q}\t$src", []>;         // RAX,RDX = RAX*[mem64]
 }
@@ -285,8 +285,8 @@ def IDIV32r: I<0xF7, MRM7r, (outs),  (ins GR32:$src),   // EDX:EAX/r32 = EAX,EDX
 let Defs = [RAX,RDX,EFLAGS], Uses = [RAX,RDX] in
 def IDIV64r: RI<0xF7, MRM7r, (outs), (ins GR64:$src),
                 "idiv{q}\t$src", []>;
-               
-let mayLoad = 1, mayLoad = 1 in {
+
+let mayLoad = 1 in {
 let Defs = [AL,EFLAGS,AX], Uses = [AX] in
 def IDIV8m : I<0xF6, MRM7m, (outs), (ins i8mem:$src),   // AX/[mem8] = AL,AH
                "idiv{b}\t$src", []>;