[llvm] [X86, SimplifyCFG] Support hoisting load/store with conditional faulting (Part I) (PR #96878)

[Shengchen Kan via llvm-commits]

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@@ -0,0 +1,86 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64 -mattr=+cf | FileCheck %s
+
+;; Test masked.load/store.v1* is generated in simplifycfg and not falls back to branch+load/store in following passes.
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KanRobert wrote:

The extra `;` here is on purpose to distinguish comments and run line. We can see a lot of examples

```
grep -r ";;" --include=\*.ll
```

https://github.com/llvm/llvm-project/pull/96878