Eliminate more unnecessary calls to .iter().

This commit is contained in:
Dan Gohman
2017-08-31 16:51:06 -07:00
parent de02976162
commit 566c772e20
4 changed files with 7 additions and 7 deletions

View File

@@ -57,7 +57,7 @@ pub fn run(
flag_optimize: bool, flag_optimize: bool,
flag_check: bool, flag_check: bool,
) -> Result<(), String> { ) -> Result<(), String> {
for filename in files.iter() { for filename in files {
let path = Path::new(&filename); let path = Path::new(&filename);
let name = String::from(path.as_os_str().to_string_lossy()); let name = String::from(path.as_os_str().to_string_lossy());
match handle_module( match handle_module(
@@ -148,7 +148,7 @@ fn handle_module(
terminal.fg(term::color::MAGENTA).unwrap(); terminal.fg(term::color::MAGENTA).unwrap();
vprint!(flag_verbose, "Checking... "); vprint!(flag_verbose, "Checking... ");
terminal.reset().unwrap(); terminal.reset().unwrap();
for func in translation.functions.iter() { for func in &translation.functions {
let il = match *func { let il = match *func {
FunctionTranslation::Import() => continue, FunctionTranslation::Import() => continue,
FunctionTranslation::Code { ref il, .. } => il.clone(), FunctionTranslation::Code { ref il, .. } => il.clone(),
@@ -166,7 +166,7 @@ fn handle_module(
terminal.fg(term::color::MAGENTA).unwrap(); terminal.fg(term::color::MAGENTA).unwrap();
vprint!(flag_verbose, "Optimizing... "); vprint!(flag_verbose, "Optimizing... ");
terminal.reset().unwrap(); terminal.reset().unwrap();
for func in translation.functions.iter() { for func in &translation.functions {
let mut il = match *func { let mut il = match *func {
FunctionTranslation::Import() => continue, FunctionTranslation::Import() => continue,
FunctionTranslation::Code { ref il, .. } => il.clone(), FunctionTranslation::Code { ref il, .. } => il.clone(),

View File

@@ -433,7 +433,7 @@ impl Liveness {
assert!(self.ebb_args.is_empty()); assert!(self.ebb_args.is_empty());
for ebb in func.layout.ebbs() { for ebb in func.layout.ebbs() {
for &arg in func.dfg.ebb_args(ebb).iter() { for &arg in func.dfg.ebb_args(ebb) {
let affinity = self.ranges.get(arg).unwrap().affinity; let affinity = self.ranges.get(arg).unwrap().affinity;
if affinity.is_none() { if affinity.is_none() {
continue; continue;

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@@ -421,7 +421,7 @@ where
// `use_var`'s traversal won't revisit these predecesors. // `use_var`'s traversal won't revisit these predecesors.
let mut preds = Vec::new(); let mut preds = Vec::new();
mem::swap(&mut preds, &mut self.predecessors_mut(dest_ebb)); mem::swap(&mut preds, &mut self.predecessors_mut(dest_ebb));
for &(pred, last_inst) in preds.iter() { for &(pred, last_inst) in &preds {
// For each predecessor, we query what is the local SSA value corresponding // For each predecessor, we query what is the local SSA value corresponding
// to var and we put it as an argument of the branch instruction. // to var and we put it as an argument of the branch instruction.
let (pred_val, mut local_side_effects) = let (pred_val, mut local_side_effects) =

View File

@@ -69,8 +69,8 @@ fn handle_module(path: PathBuf) -> Result<(), String> {
} }
} }
}; };
for func in translation.functions.iter() { for func in translation.functions {
let il = match *func { let il = match func {
FunctionTranslation::Import() => continue, FunctionTranslation::Import() => continue,
FunctionTranslation::Code { ref il, .. } => il.clone(), FunctionTranslation::Code { ref il, .. } => il.clone(),
}; };