Use uint16_t to store instruction implicit uses and defs. Reduces static data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 4a68067..9184408 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -490,10 +490,10 @@
 
 void MachineInstr::addImplicitDefUseOperands() {
   if (MCID->ImplicitDefs)
-    for (const unsigned *ImpDefs = MCID->ImplicitDefs; *ImpDefs; ++ImpDefs)
+    for (const uint16_t *ImpDefs = MCID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
       addOperand(MachineOperand::CreateReg(*ImpDefs, true, true));
   if (MCID->ImplicitUses)
-    for (const unsigned *ImpUses = MCID->ImplicitUses; *ImpUses; ++ImpUses)
+    for (const uint16_t *ImpUses = MCID->getImplicitUses(); *ImpUses; ++ImpUses)
       addOperand(MachineOperand::CreateReg(*ImpUses, false, true));
 }