forked from OSchip/llvm-project
ab7747b727
Currently we always inline functions that have no branches, i.e. have exactly three CFG blocks: ENTRY, some code, EXIT. This makes sense because when there are no branches, it means that there's no exponential complexity introduced by inlining such function. Such functions also don't trigger various fundamental problems with our inlining mechanism, such as the problem of inlined defensive checks. Sometimes the CFG may contain more blocks, but in practice it still has linear structure because all directions (except, at most, one) of all branches turned out to be unreachable. When this happens, still treat the function as "small". This is useful, in particular, for dealing with C++17 if constexpr. Differential Revision: https://reviews.llvm.org/D61051 llvm-svn: 359531 |
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CFGTest.cpp | ||
CMakeLists.txt | ||
CloneDetectionTest.cpp | ||
ExprMutationAnalyzerTest.cpp |