[all-commits] [llvm/llvm-project] ba51d2: [CodeView] Clamp Frontend version
modiking via All-commits
all-commits at lists.llvm.org
Tue Dec 28 15:22:33 PST 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: ba51d26ec4519f5b31de3acf643264504ea7bc7c
https://github.com/llvm/llvm-project/commit/ba51d26ec4519f5b31de3acf643264504ea7bc7c
Author: modimo <modimo at fb.com>
Date: 2021-12-28 (Tue, 28 Dec 2021)
Changed paths:
M llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
A llvm/test/MC/COFF/cv-compiler-info-clamp.ll
Log Message:
-----------
[CodeView] Clamp Frontend version
D43002 introduced a test debug-info-objname.cpp that outputted the current compiler version into CodeView. Internally we appended a date to the patch version and overflowed the 16-bits allocated to that space. This change clamps the Frontend version outputted values to 16-bits like rGd1185fc081ead71a8bf239ff1814f5ff73084c15 did for the Backend version.
Testing:
ninja check-all
newly added tests correctly clamps and no longer asserts when trying to output the field
Reviewed By: aganea
Differential Revision: https://reviews.llvm.org/D116243
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