LLVM 10.0.0 ダウンロード
更新内容
- The ISD::FP_ROUND_INREG opcode and related code was removed from SelectionDAG.
- Enabled MemorySSA as a loop dependency. Since r370957 (D58311
[MemorySSA & LoopPassManager] Enable MemorySSA as loop dependency. Update tests.), the MemorySSA analysis is being preserved and used by a series of loop passes. The most significant use is in LICM, where the instruction hoisting and sinking relies on aliasing information provided by MemorySSA vs previously creating an AliasSetTracker. The LICM step of promoting variables to scalars still relies on the creation of an AliasSetTracker, but its use is reduced to only be enabled for loops with a small number of overall memory instructions. This choice was motivated by experimental results showing compile and run time benefits or replacing the AliasSetTracker usage with MemorySSA without any performance penalties. The fact that MemorySSA is now preserved by and available in a series of loop passes, also opens up opportunities for its use in those respective passes. - The BasicBlockPass, BBPassManager and all their uses were deleted in this revision.
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