[all-commits] [llvm/llvm-project] 2568e5: [X86, SimplifyCFG] Support hoisting load/store with...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2568e52a733a9767014e0d8ccb685553479a3031
      https://github.com/llvm/llvm-project/commit/2568e52a733a9767014e0d8ccb685553479a3031
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2024-11-25 (Mon, 25 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/X86/hoist-loads-stores-with-cf.ll

  Log Message:
  -----------
  [X86,SimplifyCFG] Support hoisting load/store with conditional faulting (Part II) (#108812)

This is a follow up of #96878 to support hoisting load/store from BBs
have the same predecessor, if load/store are the only instructions and
the branch is unpredictable, e.g.:

```
void test (int a, int *c, int *d) {
  if (a)
   *c = a;
  else
   *d = a;
}
```



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