[bugpoint][PR29027] Reduce function attributes
Summary:
In addition to reducing the functions in an LLVM module, bugpoint now
reduces the function attributes associated with each of the remaining
functions.
To test this, add a -bugpoint-crashfuncattr test pass, which crashes if
a function in the module has a "bugpoint-crash" attribute. A test case
demonstrates that the IR is reduced to just that one attribute.
Reviewers: MatzeB, silvas, davide, reames
Reviewed By: reames
Subscribers: reames, llvm-commits
Differential Revision: https://reviews.llvm.org/D55216
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349601
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