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Refactor LLVM JIT (#1613)

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Refactor LLVM JIT for some purposes:
- To simplify the source code of JIT compilation
- To simplify the JIT modes
- To align with LLVM latest changes
- To prepare for the Multi-tier JIT compilation, refer to #1302

The changes mainly include:
- Remove the MCJIT mode, replace it with ORC JIT eager mode
- Remove the LLVM legacy pass manager (only keep the LLVM new pass manager)
- Change the lazy mode's LLVM module/function binding:
  change each function in an individual LLVM module into all functions in a single LLVM module
- Upgraded ORC JIT to ORCv2 JIT to enable lazy compilation

Refer to #1468
This commit is contained in:
Wenyong Huang
2022-10-18 20:17:34 +08:00
committed by GitHub
parent 84b1a6c10e
commit e87a554616
22 changed files with 1058 additions and 1104 deletions
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.gitignore vendored
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@ -30,5 +30,4 @@ samples/socket-api/wasm-src/inc/pthread.h
**/__pycache__
# ignore benchmarks generated
tests/benchmarks/coremark/coremark*