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Use EncCursor for reload.rs.

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Same deal as for spilling. Place an EncCursor in the context and use
that to reference into the IR function when necessary.
This commit is contained in:
Jakob Stoklund Olesen
2017-08-04 15:02:46 -07:00
parent f15abe7154
commit e904bff420
2 changed files with 98 additions and 133 deletions
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9
lib/cretonne/src/ir/layout.rs
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@@ -709,8 +709,7 @@ pub trait CursorBase {
fn at_first_inst(mut self, ebb: Ebb) -> Self
where Self: Sized
{
let inst = self.layout().ebbs[ebb].first_inst.expect("Empty EBB");
self.goto_inst(inst);
self.goto_first_inst(ebb);
self
}
@@ -740,6 +739,12 @@ pub trait CursorBase {
self.set_position(CursorPosition::At(inst));
}
/// Go to the first instruction in `ebb`.
fn goto_first_inst(&mut self, ebb: Ebb) {
let inst = self.layout().ebbs[ebb].first_inst.expect("Empty EBB");
self.set_position(CursorPosition::At(inst));
}
/// Go to the top of `ebb` which must be inserted into the layout.
/// At this position, instructions cannot be inserted, but `next_inst()` will move to the first
/// instruction in `ebb`.