Summary:
Useful in case you want to have control over interrupt vector generation.
For example in Rust language we have an arrangement where all unhandled
ISR vectors gets mapped to a single default handler function. Which is
hard to implement when LLVM tries to generate vectors on its own.
Reviewers: asl, krisb
Subscribers: hiraditya, JDevlieghere, awygle, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D67313
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372910 91177308-0d34-0410-b5e6-96231b3b80d8
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