https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/142474
When BasicBlock has a large number of allocas, and successors, we had to copy entire IncomingVals and IncomingLocs vectors for successors. Additional changes in IncomingVals and IncomingLocs are infrequent (only Load/Store into alloc affect arrays). Given the nature of DFS traversal, instead of copying the entire vector, we can keep track of the changes and undo all changes done by successors. _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
