[PATCH] D113787: [llvm-reduce] keep terminator instructions during ReduceGlobalVars

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks added a comment.

In D113787#3132163 <https://reviews.llvm.org/D113787#3132163>, @dwightguth wrote:

> Sure, but it can also be used to reproduce a small test case for a program that was miscompiled. But it won't do that effectively if individual delta passes, when run, crash unnecessarily in uninteresting ways. If we make this change, you will be making the tool considerably less useful for minimizing programs that are miscompiled by the compiler.

I think you'll want another tool that specifically does that since this tool specifically does not do that. For example, something that runs specific optimization passes one at a time, perhaps on a function at a time for function passes.


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