forked from OSchip/llvm-project
82f1c775a0
See full discussion in http://reviews.llvm.org/D7491. We now hide the add-immediate and call instructions together in a separate pseudo-op, which is tagged to define GPR3 and clobber the call-killed registers. The PPCTLSDynamicCall pass prior to RA now expands this op into the two separate addi and call ops, with explicit definitions of GPR3 on both instructions, and explicit clobbers on the call instruction. The pass is now marked as requiring and preserving the LiveIntervals and SlotIndexes analyses, and fixes these up after the replacement sequences are introduced. Self-hosting has been verified on LE P8 and BE P7 with various optimization levels, etc. It has also been verified with the --no-tls-optimize flag workaround removed. llvm-svn: 228725 |
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README.txt
Low Level Virtual Machine (LLVM) ================================ 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're writing a package for LLVM, see docs/Packaging.rst for our suggestions.