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Author SHA1 Message Date
Yuanfang Chen a5ed20b549 [NewPM][CodeGen] Add machine code verification callback 
D83608 need this.

Reviewed By: aeubanks

Differential Revision: https://reviews.llvm.org/D85916
 2020-08-13 16:13:01 -07:00
Yuanfang Chen f5b5ccf2a6 Reland "Revert "[NewPM][CodeGen] Introduce machine pass and machine pass manager"" 
This relands commit 320eab2d55.

The test failed because it was looking for x86-linux target
unconditionally. Now it gets the default target.
 2020-08-07 16:40:49 -07:00
Yuanfang Chen 320eab2d55 Revert "[NewPM][CodeGen] Introduce machine pass and machine pass manager" 
This reverts commit 911565d108.

Broke some non-Linux bots.
 2020-08-07 11:59:58 -07:00
Yuanfang Chen 911565d108 [NewPM][CodeGen] Introduce machine pass and machine pass manager 
machine pass could define four methods:
- `PreservedAnalyses run(MachineFunction &, MachineFunctionAnalysisManager &)`
- `Error doInitialization(Module &, MachineFunctionAnalysisManager &)`
- `Error doFinalization(Module &, MachineFunctionAnalysisManager &)`
- `Error run(Module &, MachineFunctionAnalysisManager &)`

machine pass manger:
- MachineFunctionAnalysisManager:
  Basically an AnalysisManager<MachineFunction> augmented with the ability to
  register and query IR analyses
- MachineFunctionPassManager: support only two methods, `addPass` and `run`

Reviewed By: arsenm, asbirlea, aeubanks

Differential Revision: https://reviews.llvm.org/D67687
 2020-08-07 11:00:31 -07:00