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16 Commits

Author SHA1 Message Date
Zalathar
2e6f4a5922 coverage: Re-land "Enlarge empty spans during MIR instrumentation" 
This allows us to assume that coverage spans will only be discarded during
codegen in very unusual situations.
 2025-07-30 13:17:05 +10:00
Zalathar
2b17897092 Revert "coverage: Enlarge empty spans during MIR instrumentation, not codegen" 
This reverts commit f877aa7d14.
 2025-07-26 11:14:40 +10:00
Zalathar
f877aa7d14 coverage: Enlarge empty spans during MIR instrumentation, not codegen 
This allows us to assume that coverage spans will only be discarded during
codegen in very unusual situations.
 2025-07-22 19:49:54 +10:00
Zalathar
3f526eeec4 coverage: Revert "unused local file IDs" due to empty function names 
This reverts commit 3b22c21dd8, reversing
changes made to 5f292eea6d.
 2025-05-27 23:33:29 +10:00
Zalathar
339556eb02 coverage: Enlarge empty spans during MIR instrumentation, not codegen 
This allows us to assume that coverage spans will only be discarded during
codegen in very unusual situations.
 2025-05-10 00:24:01 +10:00
Zalathar
4d5a1acebf coverage: Only merge adjacent coverage spans 
This also removes some manipulation of the function signature span that only
made sense in the context of merging non-adjacent spans.
 2025-05-06 20:42:25 +10:00
Zalathar
cc8336b6c1 coverage: Don't store a body span in FunctionCoverageInfo 2025-03-18 23:18:24 +11:00
Zalathar
20d051ec87 coverage: Defer part of counter-creation until codegen 2025-02-06 21:44:31 +11:00
Zalathar
ee7dc06cf1 coverage: Store BCB node IDs in mappings, and resolve them in codegen 
Even though the coverage graph itself is no longer available during codegen,
its nodes can still be used as opaque IDs.
 2025-02-06 21:44:29 +11:00
Zalathar
34ed51cb83 coverage: Store coverage source regions as Span until codegen 2024-12-19 18:09:09 +11:00
Zalathar
9461f4296f Revert "Rollup merge of #133418 - Zalathar:spans, r=jieyouxu" 
This reverts commit adf9b5fcd1, reversing
changes made to af1ca153d4.

Reverting due to <https://github.com/rust-lang/rust/issues/133606>.
 2024-11-29 14:57:01 +11:00
Zalathar
b9fb1a69d2 coverage: Store coverage source regions as Span until codegen 2024-11-24 23:46:39 +11:00
Zalathar
3c30fe3423 coverage: Restrict empty-span expansion to only cover { and } 2024-11-08 20:43:08 +11:00
Zalathar
996bdabc2a coverage: Remove unhelpful code for handling multiple files per function 
Functions currently can't have mappings in multiple files, and if that ever
changes (e.g. to properly support expansion regions), this code will need to be
completely overhauled anyway.
 2024-11-08 20:43:08 +11:00
Zalathar
d01df6f9aa coverage: Simplify counter expressions using simple algebra 
Some of these cases currently don't occur in practice, but are included for
completeness, and to avoid having to add them later as branch coverage and
MC/DC coverage start building more complex expressions.
 2024-05-14 13:58:40 +10:00
Zalathar
da37b14121 coverage: Move mir-opt coverage tests into a subdirectory 2024-04-22 21:55:33 +10:00