[PATCH] D58913: [WebAssembly] Simplify iterator navigations (NFC)

[Heejin Ahn via Phabricator via llvm-commits]

aheejin created this revision.
aheejin added reviewers: dschuff, sunfish.
Herald added subscribers: llvm-commits, jgravelle-google, sbc100.
Herald added a project: LLVM.

- Replaces some uses of `MachineFunction::iterator(MBB)` with

`MBB->getIterator()` and `MachineBasicBlock::iterator(MI)` with
`MI->getIterator()`, which are simpler.

- Replaces some uses of `std::prev` of `std::next` that takes a

MachineFunction or MachineBasicBlock iterator with `getPrevNode` and
`getNextNode`, which are also simpler.


Repository:
  rL LLVM

https://reviews.llvm.org/D58913

Files:
  lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp
  lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
  lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp
  lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  lib/Target/WebAssembly/WebAssemblyLateEHPrepare.cpp

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