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Change InlineAsm to allow multiple targets instead

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This commit is contained in:
Gary Guo
2023-12-26 15:28:42 +00:00
parent 7152993aa8
commit b044aaa905
23 changed files with 125 additions and 96 deletions
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18
compiler/rustc_mir_transform/src/coverage/graph.rs
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@@ -349,12 +349,20 @@ fn bcb_filtered_successors<'a, 'tcx>(terminator: &'a Terminator<'tcx>) -> Covera
| FalseUnwind { real_target: target, .. }
| Goto { target } => CoverageSuccessors::Chainable(target),
// These terminators can normally be chained, except when they have no
// A call terminator can normally be chained, except when they have no
// successor because they are known to diverge.
Call { target: maybe_target, .. } | InlineAsm { destination: maybe_target, .. } => {
match maybe_target {
Some(target) => CoverageSuccessors::Chainable(target),
None => CoverageSuccessors::NotChainable(&[]),
Call { target: maybe_target, .. } => match maybe_target {
Some(target) => CoverageSuccessors::Chainable(target),
None => CoverageSuccessors::NotChainable(&[]),
},
// An inline asm terminator can normally be chained, except when it diverges or uses asm
// goto.
InlineAsm { ref targets, .. } => {
if targets.len() == 1 {
CoverageSuccessors::Chainable(targets[0])
} else {
CoverageSuccessors::NotChainable(targets)
}
}