https://bugs.llvm.org/show_bug.cgi?id=34237
Bug ID: 34237
Summary: llvm-cov: Wrong coverage with partially uncovered
nested macros
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: dennis.fels...@sap.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19005
--> https://bugs.llvm.org/attachment.cgi?id=19005&action=edit
Source Code
When instantiating a macro within a macro and the first 2 cases are not
covered, the rest of the file is wrongly classified as uncovered.
The segment building in CoverageMapping.cpp seems to lead to a wrong order,
thus skipping valid segments later when displaying them. I guess it has to do
with the types of the coverage regions.
I have attached a minimal example and the script I use to test this behaviour.
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