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Change Direction::{is_forward,is_backward} functions into constants

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Make it explicit that the analysis direction is constant.

This also makes the value immediately available for optimizations.
Previously those functions were neither inline nor generic and so their
definition was unavailable when using data flow framework from other
crates.
This commit is contained in:
Tomasz Miąsko 2022-06-05 00:00:00 +00:00
parent 7fe2c4b00d
commit 39de03d844
5 changed files with 16 additions and 22 deletions
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4
compiler/rustc_mir_dataflow/src/framework/tests.rs
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@ -140,7 +140,7 @@ impl<D: Direction> MockAnalysis<'_, D> {
SeekTarget::After(loc) => Effect::Primary.at_index(loc.statement_index),
};
let mut pos = if D::is_forward() {
let mut pos = if D::IS_FORWARD {
Effect::Before.at_index(0)
} else {
Effect::Before.at_index(self.body[block].statements.len())
@ -153,7 +153,7 @@ impl<D: Direction> MockAnalysis<'_, D> {
return ret;
}
if D::is_forward() {
if D::IS_FORWARD {
pos = pos.next_in_forward_order();
} else {
pos = pos.next_in_backward_order();