diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index d555a0d..0c879bf 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -544,7 +544,7 @@
     return;
   }
 
-  if (instruction->AsIntConstant() != nullptr) {
+  if (instruction->IsIntConstant()) {
     int32_t value = instruction->AsIntConstant()->GetValue();
     if (location.IsRegister()) {
       __ LoadImmediate(location.As<Register>(), value);
@@ -553,7 +553,7 @@
       __ LoadImmediate(IP, value);
       __ str(IP, Address(SP, location.GetStackIndex()));
     }
-  } else if (instruction->AsLongConstant() != nullptr) {
+  } else if (instruction->IsLongConstant()) {
     int64_t value = instruction->AsLongConstant()->GetValue();
     if (location.IsRegisterPair()) {
       __ LoadImmediate(location.AsRegisterPairLow<Register>(), Low32Bits(value));
@@ -565,7 +565,7 @@
       __ LoadImmediate(IP, High32Bits(value));
       __ str(IP, Address(SP, location.GetHighStackIndex(kArmWordSize)));
     }
-  } else if (instruction->AsLoadLocal() != nullptr) {
+  } else if (instruction->IsLoadLocal()) {
     uint32_t stack_slot = GetStackSlot(instruction->AsLoadLocal()->GetLocal());
     switch (instruction->GetType()) {
       case Primitive::kPrimBoolean:
@@ -1706,7 +1706,7 @@
     }
   } else {
     DCHECK(source.IsConstant());
-    DCHECK(source.GetConstant()->AsIntConstant() != nullptr);
+    DCHECK(source.GetConstant()->IsIntConstant());
     int32_t value = source.GetConstant()->AsIntConstant()->GetValue();
     if (destination.IsRegister()) {
       __ LoadImmediate(destination.As<Register>(), value);