[llvm] [LLVM] New NoDivergenceSource function attribute (PR #111832)

[Nikita Popov via llvm-commits]

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@@ -288,6 +288,10 @@ bool TargetTransformInfo::hasBranchDivergence(const Function *F) const {
 }
 
 bool TargetTransformInfo::isSourceOfDivergence(const Value *V) const {
+  if (auto Call = dyn_cast<CallBase>(V)) {
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nikic wrote:

```suggestion
  if (auto *Call = dyn_cast<CallBase>(V)) {
```

https://github.com/llvm/llvm-project/pull/111832