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Mirror of https://github.com/RPCS3/llvm-mirror
c8d9beb0e3
Current implementation of emitPatchpoint() is very inefficient: for every FrameIndex operand if creates new MachineInstr with that operand expanded and all other copied as is. Since PATCHPOINT/STATEPOINT instructions may have *a lot* of FrameIndex operands, we end up creating and erasing many machine instructions. But we can do it in single pass, with only one new machine instruction generated. Reviewed By: reames Differential Revision: https://reviews.llvm.org/D81181 |
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The LLVM Compiler Infrastructure ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.