Carrot added a comment. I want to reserve most of the physical registers, so only a small number of registers can be used by register allocator. Then I can write small test cases to simulate high register pressure situation, it will be much easier to test and debug register allocation changes.
Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D132531/new/ https://reviews.llvm.org/D132531 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits