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Replace assert! with debug_assert! in production code paths.

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This allows the assertions to be disabled in release builds, so that
the code is faster and smaller, at the expense of not performing the
checks. Assertions can be re-enabled in release builds with the
debug-assertions flag in Cargo.toml, as the top-level Cargo.toml
file does.
This commit is contained in:
Dan Gohman
2018-03-12 10:28:35 -07:00
parent e81a27fb5d
commit 30f8daa9d6
43 changed files with 165 additions and 164 deletions
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12
lib/cretonne/src/regalloc/solver.rs
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@@ -565,7 +565,7 @@ impl Solver {
dbg!("-> converting variable {} to a fixed constraint", v);
// The spiller is responsible for ensuring that all constraints on the uses of a
// value are compatible.
assert!(
debug_assert!(
v.constraint.contains(to),
"Incompatible constraints for {}",
value
@@ -665,7 +665,7 @@ impl Solver {
// No variable, then it must be a fixed reassignment.
if let Some(a) = self.assignments.get(value) {
dbg!("-> already fixed assignment {}", a);
assert!(
debug_assert!(
constraint.contains(a.to),
"Incompatible constraints for {}",
value
@@ -708,7 +708,7 @@ impl Solver {
/// Call this method to indicate that there will be no more fixed input reassignments added
/// and prepare for the output side constraints.
pub fn inputs_done(&mut self) {
assert!(!self.has_fixed_input_conflicts());
debug_assert!(!self.has_fixed_input_conflicts());
// At this point, `regs_out` contains the `to` side of the input reassignments, and the
// `from` side has already been marked as available in `regs_in`.
@@ -746,7 +746,7 @@ impl Solver {
// interference constraints on the output side.
// Variables representing tied operands will get their `is_output` flag set again later.
if let Some(v) = self.vars.iter_mut().find(|v| v.value == value) {
assert!(v.is_input);
debug_assert!(v.is_input);
v.is_output = false;
return;
}
@@ -782,7 +782,7 @@ impl Solver {
// Check if a variable was created.
if let Some(v) = self.vars.iter_mut().find(|v| v.value == value) {
assert!(v.is_input);
debug_assert!(v.is_input);
v.is_output = true;
v.is_global = is_global;
return None;
@@ -1026,7 +1026,7 @@ impl Solver {
/// Returns the number of spills that had to be emitted.
pub fn schedule_moves(&mut self, regs: &AllocatableSet) -> usize {
self.collect_moves();
assert!(self.fills.is_empty());
debug_assert!(self.fills.is_empty());
let mut num_spill_slots = 0;
let mut avail = regs.clone();