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892af54a91
This improves the logic in several ways and is a preparation for followup patches: - First perform an analysis and create a list of merge candidates, then transform. This simplifies the code in that you have don't have to care to much anymore that you may be holding iterators to MachineInstrs that get removed. - Analyze/Transform basic blocks in reverse order. This allows to use LivePhysRegs to find free registers instead of the RegisterScavenger. The RegisterScavenger will become less precise in the future as it relies on the deprecated kill-flags. - Return the newly created node in MergeOps so there's no need to look around in the schedule to find it. - Rename some MBBI iterators to InsertBefore to make their role clear. - General code cleanup. Differential Revision: http://reviews.llvm.org/D10140 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241920 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| Analysis | ||
| AsmParser | ||
| Bitcode | ||
| CodeGen | ||
| DebugInfo | ||
| ExecutionEngine | ||
| Fuzzer | ||
| IR | ||
| IRReader | ||
| LibDriver | ||
| LineEditor | ||
| Linker | ||
| LTO | ||
| MC | ||
| Object | ||
| Option | ||
| Passes | ||
| ProfileData | ||
| Support | ||
| TableGen | ||
| Target | ||
| Transforms | ||
| CMakeLists.txt | ||
| LLVMBuild.txt | ||
| Makefile | ||