[llvm] [LoopUnroll] Use branch probability in multi-exit loop unrolling (PR #164799)

[Joel E. Denny via llvm-commits]

Marek =?utf-8?q?Sedláček?= <mr.mareksedlacek at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/164799 at github.com>


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@@ -402,6 +402,15 @@ BranchProbability getBranchProbability(BranchInst *B, bool ForFirstTarget);
 bool setBranchProbability(BranchInst *B, BranchProbability P,
                           bool ForFirstTarget);
 
+/// Calculates the edge probability from Src to Dst.
+/// Dst has to be a successor to Src.
+/// This uses branch_probability metadata directly. If data are missing or
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jdenny-ornl wrote:

```suggestion
/// This uses branch_weights metadata directly. If data are missing or
```

https://github.com/llvm/llvm-project/pull/164799