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Mirror of https://github.com/RPCS3/llvm-mirror
aec41a7a6c
Summary: Previously no client of ilist traits has needed to know about transfers of nodes within the same list, so as an optimization, ilist doesn't call transferNodesFromList in that case. However, now there are clients that want to use ilist traits to cache instruction ordering information to optimize dominance queries of instructions in the same basic block. This change updates the existing ilist traits users to detect in-list transfers and do nothing in that case. After this change, we can start caching instruction ordering information in LLVM IR data structures. There are two main ways to do that: - by putting an order integer into the Instruction class - by maintaining order integers in a hash table on BasicBlock I plan to implement and measure both, but I wanted to commit this change first to enable other out of tree ilist clients to implement this optimization as well. Reviewers: lattner, hfinkel, chandlerc Subscribers: hiraditya, dexonsmith, llvm-commits Differential Revision: https://reviews.llvm.org/D57120 llvm-svn: 351992 |
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| llvm.spec.in | ||
| LLVMBuild.txt | ||
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| RELEASE_TESTERS.TXT | ||
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