https://llvm.org/bugs/show_bug.cgi?id=28323
Bug ID: 28323
Summary: [PM] Use new PM in production for Clang, LLD, libLTO,
etc. middle-end
Product: new-bugs
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: chisophu...@gmail.com
CC: llvm-bugs@lists.llvm.org
Blocks: 28322
Classification: Unclassified
This bug tracks progress towards moving the main middle-end compilation
codepath of Clang, LLD, libLTO, etc. to the new PM.
Clang will be the most work for this. Essentially the entirety of
PassManagerBuilder in lib/Transforms/IPO/PassManagerBuilder.cpp needs to be
ported, including the "extension" point stuff.
The part of PassBuilder (lib/Passes/PassBuilder.cpp) which seems intended to
replace PassManagerBuilder is mostly FIXME's at the time of this writing.
Porting the LTO use case seems like a good first step.
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