diff --git a/cranelift/codegen/meta/src/cdsl/xform.rs b/cranelift/codegen/meta/src/cdsl/xform.rs
index 90d991f5e6..b90d552b9a 100644
--- a/cranelift/codegen/meta/src/cdsl/xform.rs
+++ b/cranelift/codegen/meta/src/cdsl/xform.rs
@@ -185,7 +185,9 @@ fn rewrite_expr(
         dummy_args.len(),
         "number of arguments in instruction {} is incorrect\nexpected: {:?}",
         apply_target.inst().name,
-        apply_target.inst().operands_in
+        apply_target
+            .inst()
+            .operands_in
             .iter()
             .map(|operand| format!("{}: {}", operand.name, operand.kind.name))
             .collect::<Vec<_>>(),
diff --git a/cranelift/codegen/meta/src/gen_legalizer.rs b/cranelift/codegen/meta/src/gen_legalizer.rs
index 344bad7472..8223aef0ed 100644
--- a/cranelift/codegen/meta/src/gen_legalizer.rs
+++ b/cranelift/codegen/meta/src/gen_legalizer.rs
@@ -112,7 +112,9 @@ fn unwrap_inst(
     assert_eq!(inst.operands_in.len(), apply.args.len());
     for (i, op) in inst.operands_in.iter().enumerate() {
         if op.is_varargs() {
-            let name = var_pool.get(apply.args[i].maybe_var().expect("vararg without name")).name;
+            let name = var_pool
+                .get(apply.args[i].maybe_var().expect("vararg without name"))
+                .name;
             fmtln!(fmt, "let {} = &{};", name, name);
         }
     }
diff --git a/cranelift/codegen/meta/src/shared/legalize.rs b/cranelift/codegen/meta/src/shared/legalize.rs
index 26f4a4543d..63118033a9 100644
--- a/cranelift/codegen/meta/src/shared/legalize.rs
+++ b/cranelift/codegen/meta/src/shared/legalize.rs
@@ -4,7 +4,7 @@ use crate::cdsl::xform::{TransformGroupBuilder, TransformGroups};
 
 use crate::shared::immediates::Immediates;
 use crate::shared::types::Float::{F32, F64};
-use crate::shared::types::Int::{I16, I128, I32, I64, I8};
+use crate::shared::types::Int::{I128, I16, I32, I64, I8};
 
 pub(crate) fn define(insts: &InstructionGroup, imm: &Immediates) -> TransformGroups {
     let mut narrow = TransformGroupBuilder::new(
@@ -245,8 +245,20 @@ pub(crate) fn define(insts: &InstructionGroup, imm: &Immediates) -> TransformGro
         def!(brz.I128(x, ebb, vararg)),
         vec![
             def!((xl, xh) = isplit(x)),
-            def!(a = icmp_imm(Literal::enumerator_for(intcc, "eq"), xl, Literal::constant(imm64, 0))),
-            def!(b = icmp_imm(Literal::enumerator_for(intcc, "eq"), xh, Literal::constant(imm64, 0))),
+            def!(
+                a = icmp_imm(
+                    Literal::enumerator_for(intcc, "eq"),
+                    xl,
+                    Literal::constant(imm64, 0)
+                )
+            ),
+            def!(
+                b = icmp_imm(
+                    Literal::enumerator_for(intcc, "eq"),
+                    xh,
+                    Literal::constant(imm64, 0)
+                )
+            ),
             def!(c = band(a, b)),
             def!(brz(c, ebb, vararg)),
         ],
diff --git a/cranelift/codegen/src/legalizer/mod.rs b/cranelift/codegen/src/legalizer/mod.rs
index e0433cb05f..c96f24e9b3 100644
--- a/cranelift/codegen/src/legalizer/mod.rs
+++ b/cranelift/codegen/src/legalizer/mod.rs
@@ -84,7 +84,7 @@ fn legalize_inst(
                     return LegalizeInstResult::SplitLegalizePending;
                 }
             }
-            ir::ValueDef::Param(ebb, num) => {},
+            ir::ValueDef::Param(ebb, num) => {}
         }
 
         let res = pos.func.dfg.inst_results(inst).to_vec();
diff --git a/cranelift/codegen/src/legalizer/split.rs b/cranelift/codegen/src/legalizer/split.rs
index 7b3d8f8d5c..f16dae161b 100644
--- a/cranelift/codegen/src/legalizer/split.rs
+++ b/cranelift/codegen/src/legalizer/split.rs
@@ -129,15 +129,18 @@ fn split_any(
     result
 }
 
-pub fn split_ebb_params(
-    func: &mut ir::Function,
-    cfg: &ControlFlowGraph,
-    ebb: Ebb,
-) {
+pub fn split_ebb_params(func: &mut ir::Function, cfg: &ControlFlowGraph, ebb: Ebb) {
     let mut repairs = Vec::new();
     let pos = &mut FuncCursor::new(func).at_top(ebb);
 
-    for (num, ebb_param) in pos.func.dfg.ebb_params(ebb).to_vec().into_iter().enumerate() {
+    for (num, ebb_param) in pos
+        .func
+        .dfg
+        .ebb_params(ebb)
+        .to_vec()
+        .into_iter()
+        .enumerate()
+    {
         let ty = pos.func.dfg.value_type(ebb_param);
         if ty != ir::types::I128 {
             continue;
@@ -149,11 +152,7 @@ pub fn split_ebb_params(
     perform_repairs(pos, cfg, repairs);
 }
 
-fn perform_repairs(
-    pos: &mut FuncCursor,
-    cfg: &ControlFlowGraph,
-    mut repairs: Vec<Repair>,
-) {
+fn perform_repairs(pos: &mut FuncCursor, cfg: &ControlFlowGraph, mut repairs: Vec<Repair>) {
     // We have split the value requested, and now we may need to fix some EBB predecessors.
     while let Some(repair) = repairs.pop() {
         for BasicBlock { inst, .. } in cfg.pred_iter(repair.ebb) {