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| author | River Riddle <riddleriver@gmail.com> | 2020-10-27 16:03:07 -0700 |
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| committer | River Riddle <riddleriver@gmail.com> | 2020-10-27 16:16:51 -0700 |
| commit | ef728eaf6e8de17b9f5bac89c972a94e37e4f09e (patch) | |
| tree | 35f7c42a8b8c26bb85223f48ffa14075b466efae /clang/lib/Basic/FileManager.cpp | |
| parent | d989ae90693ec2d1b7e048a7b48cbab3cfa8123b (diff) | |
| download | llvm-ef728eaf6e8de17b9f5bac89c972a94e37e4f09e.zip llvm-ef728eaf6e8de17b9f5bac89c972a94e37e4f09e.tar.gz llvm-ef728eaf6e8de17b9f5bac89c972a94e37e4f09e.tar.bz2 | |
[mlir][Interfaces] Generate a struct containing function pointers instead of a class with vtables
When compiling for code size, the use of a vtable causes a destructor(and constructor in certain cases) to be generated for the class. Interface models don't need a complex constructor or a destructor, so this can lead to many megabytes of code size increase(even in opt). This revision switches to a simpler struct of function pointers approach that accomplishes the same API requirements as before. This change requires no updates to user code, or any other code aside from the generator, as the user facing API is still exactly the same.
Differential Revision: https://reviews.llvm.org/D90085
Diffstat (limited to 'clang/lib/Basic/FileManager.cpp')
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