diff --git a/src/arch/arm.rs b/src/arch/arm.rs
index 312d063..3431947 100644
--- a/src/arch/arm.rs
+++ b/src/arch/arm.rs
@@ -3,7 +3,7 @@
 use crate::{
     arch::{Arch, LiftArch, LiftEnv, RegisterDesc},
     flow::{FlowInfo, FlowKind, FlowTarget},
-    ir::{Block, FrontendBuilder, IntCC, MemSize, Type, Value, Variable},
+    ir::{Block, FrontendBuilder, I32, IntCC, MemSize, Type, Value, Variable},
 };
 
 use cranelift_entity::EntityRef;
@@ -519,9 +519,9 @@ impl Arm {
             Operand::RegDerefPreindexOffset(base, off, add, wback) => {
                 let base_reg = Self::map_reg(base);
                 let base_v = cx.read_reg(base_reg);
-                let off_v = cx.fb.iconst(Type::i32(), off as i64);
+                let off_v = cx.fb.iconst(I32, off as i64);
                 let addr = if add {
-                    cx.fb.iadd(base_v, off_v, Type::i32())
+                    cx.fb.iadd(base_v, off_v, I32)
                 } else {
                     cx.fb.isub(base_v, off_v, Type::i32())
                 };
diff --git a/src/ir/ty.rs b/src/ir/ty.rs
index da23a2d..6912fd5 100644
--- a/src/ir/ty.rs
+++ b/src/ir/ty.rs
@@ -449,3 +449,5 @@ impl fmt::Display for LaneType {
         }
     }
 }
+
+pub const I32: Type = Type::i32();