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Add a liveness analysis.

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This code is best tested with larger functions with more EBBs.
Perhaps a new file-test category is in order?
This commit is contained in:
Jakob Stoklund Olesen
2017-01-13 11:42:26 -08:00
parent 8390c829d3
commit 8033deda3a
4 changed files with 304 additions and 4 deletions
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8
lib/cretonne/src/ir/instructions.rs
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@@ -412,8 +412,8 @@ pub struct ReturnData {
impl InstructionData {
/// Execute a closure once for each argument to this instruction.
/// See also the `arguments()` method.
pub fn each_arg<F>(&self, func: F)
where F: Fn(Value)
pub fn each_arg<F>(&self, mut func: F)
where F: FnMut(Value)
{
for part in &self.arguments() {
for &arg in part.iter() {
@@ -424,8 +424,8 @@ impl InstructionData {
/// Execute a closure with a mutable reference to each argument to this instruction.
/// See also the `arguments_mut()` method.
pub fn each_arg_mut<F>(&mut self, func: F)
where F: Fn(&mut Value)
pub fn each_arg_mut<F>(&mut self, mut func: F)
where F: FnMut(&mut Value)
{
for part in &mut self.arguments_mut() {
for arg in part.iter_mut() {