forked from OSchip/llvm-project
82095bd5ed
Mark fragments related to split jump table as non-simple. A function could be splitted into hot and cold fragments. A split jump table is challenging for correctly reconstructing control flow graphs, so it was marked as ignored. This update marks those fragments as non-simple, allowing them to be printed and partial control flow graph construction. Test Plan: ``` llvm-lit -a tools/bolt/test/X86/split-func-icf.s ``` This test has two functions (main, main2), each has a jump table target to the same cold portion main2.cold.1(*2). We try to print out only this cold portion. If it is ignored, it cannot be printed. If it is non-simple, it can be printed. We verify that it can be printed. Reviewed By: Amir Differential Revision: https://reviews.llvm.org/D127464 |
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| Passes | ||
| Profile | ||
| Rewrite | ||
| RuntimeLibs | ||
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| Utils | ||
| CMakeLists.txt | ||