Update rustfmt to 0.8.4; (#81)

lib/cretonne/src/ir/builder.rs

@@ -132,8 +132,7 @@ impl<'c, 'fc, 'fd, Array> InstBuilderBase<'fd> for InsertReuseBuilder<'c, 'fc, '
         let inst = self.dfg.make_inst(data);
         // Make an `Interator<Item = Option<Value>>`.
         let ru = self.reuse.as_ref().iter().cloned();
-        self.dfg
-            .make_inst_results_reusing(inst, ctrl_typevar, ru);
+        self.dfg.make_inst_results_reusing(inst, ctrl_typevar, ru);
         self.pos.insert_inst(inst);
         (inst, self.dfg)
     }

lib/cretonne/src/ir/dfg.rs

@@ -316,37 +316,25 @@ impl DataFlowGraph {
 
     /// Get the fixed value arguments on `inst` as a slice.
     pub fn inst_fixed_args(&self, inst: Inst) -> &[Value] {
-        let fixed_args = self[inst]
-            .opcode()
-            .constraints()
-            .fixed_value_arguments();
+        let fixed_args = self[inst].opcode().constraints().fixed_value_arguments();
         &self.inst_args(inst)[..fixed_args]
     }
 
     /// Get the fixed value arguments on `inst` as a mutable slice.
     pub fn inst_fixed_args_mut(&mut self, inst: Inst) -> &mut [Value] {
-        let fixed_args = self[inst]
-            .opcode()
-            .constraints()
-            .fixed_value_arguments();
+        let fixed_args = self[inst].opcode().constraints().fixed_value_arguments();
         &mut self.inst_args_mut(inst)[..fixed_args]
     }
 
     /// Get the variable value arguments on `inst` as a slice.
     pub fn inst_variable_args(&self, inst: Inst) -> &[Value] {
-        let fixed_args = self[inst]
-            .opcode()
-            .constraints()
-            .fixed_value_arguments();
+        let fixed_args = self[inst].opcode().constraints().fixed_value_arguments();
         &self.inst_args(inst)[fixed_args..]
     }
 
     /// Get the variable value arguments on `inst` as a mutable slice.
     pub fn inst_variable_args_mut(&mut self, inst: Inst) -> &mut [Value] {
-        let fixed_args = self[inst]
-            .opcode()
-            .constraints()
-            .fixed_value_arguments();
+        let fixed_args = self[inst].opcode().constraints().fixed_value_arguments();
         &mut self.inst_args_mut(inst)[fixed_args..]
     }
 

lib/cretonne/src/ir/instructions.rs

@@ -288,20 +288,20 @@ impl InstructionData {
     pub fn analyze_branch<'a>(&'a self, pool: &'a ValueListPool) -> BranchInfo<'a> {
         match self {
             &InstructionData::Jump {
-                 destination,
-                 ref args,
-                 ..
-             } => BranchInfo::SingleDest(destination, &args.as_slice(pool)),
+                destination,
+                ref args,
+                ..
+            } => BranchInfo::SingleDest(destination, &args.as_slice(pool)),
             &InstructionData::Branch {
-                 destination,
-                 ref args,
-                 ..
-             } => BranchInfo::SingleDest(destination, &args.as_slice(pool)[1..]),
+                destination,
+                ref args,
+                ..
+            } => BranchInfo::SingleDest(destination, &args.as_slice(pool)[1..]),
             &InstructionData::BranchIcmp {
-                 destination,
-                 ref args,
-                 ..
-             } => BranchInfo::SingleDest(destination, &args.as_slice(pool)[2..]),
+                destination,
+                ref args,
+                ..
+            } => BranchInfo::SingleDest(destination, &args.as_slice(pool)[2..]),
             &InstructionData::BranchTable { table, .. } => BranchInfo::Table(table),
             _ => BranchInfo::NotABranch,
         }
@@ -595,11 +595,7 @@ impl OperandConstraint {
             Same => Bound(ctrl_type),
             LaneOf => Bound(ctrl_type.lane_type()),
             AsBool => Bound(ctrl_type.as_bool()),
-            HalfWidth => {
-                Bound(ctrl_type
-                          .half_width()
-                          .expect("invalid type for half_width"))
-            }
+            HalfWidth => Bound(ctrl_type.half_width().expect("invalid type for half_width")),
             DoubleWidth => {
                 Bound(ctrl_type
                           .double_width()

lib/cretonne/src/ir/layout.rs

@@ -467,8 +467,7 @@ impl Layout {
 
     /// Remove `inst` from the layout.
     pub fn remove_inst(&mut self, inst: Inst) {
-        let ebb = self.inst_ebb(inst)
-            .expect("Instruction already removed.");
+        let ebb = self.inst_ebb(inst).expect("Instruction already removed.");
         // Clear the `inst` node and extract links.
         let prev;
         let next;