https://bugs.llvm.org/show_bug.cgi?id=40571
Bug ID: 40571
Summary: Teach LLVM to elide empty static variable guards.
Product: new-bugs
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: e...@efcs.ca
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
LLVM is great at eliding unneeded initializers and forgetting about trivial
destructors, But it doesn't clean up after itself. It leaves empty guarded
initialization blocks.
For example: https://godbolt.org/z/ONmG22
The [[constinit, no_destroy]] case is particularly frustrating.
LLVM should be taught te recognize and remove empty initialization guards.
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