bjoernager/rust
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custom mir: make it clear what the return block is

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This commit is contained in:
Ralf Jung 2023-12-26 19:31:52 +01:00
parent e1fadb2c35
commit 0f9baa8a31
36 changed files with 115 additions and 75 deletions
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12
compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
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@ -61,7 +61,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
@call(mir_drop, args) => {
Ok(TerminatorKind::Drop {
place: self.parse_place(args[0])?,
target: self.parse_block(args[1])?,
target: self.parse_return_to(args[1])?,
unwind: self.parse_unwind_action(args[2])?,
replace: false,
})
@ -104,6 +104,14 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
)
}
fn parse_return_to(&self, expr_id: ExprId) -> PResult<BasicBlock> {
parse_by_kind!(self, expr_id, _, "return block",
@call(mir_return_to, args) => {
self.parse_block(args[0])
},
)
}
fn parse_match(&self, arms: &[ArmId], span: Span) -> PResult<SwitchTargets> {
let Some((otherwise, rest)) = arms.split_last() else {
return Err(ParseError {
@ -146,7 +154,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
ExprKind::Assign { lhs, rhs } => (*lhs, *rhs),
);
let destination = self.parse_place(destination)?;
let target = self.parse_block(args[1])?;
let target = self.parse_return_to(args[1])?;
let unwind = self.parse_unwind_action(args[2])?;
parse_by_kind!(self, call, _, "function call",