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

[Matt Arsenault via llvm-commits]

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@@ -292,7 +292,7 @@ bool TargetTransformInfo::hasBranchDivergence(const Function *F) const {
 }
 
 bool TargetTransformInfo::isSourceOfDivergence(const Value *V) const {
-  if (const CallBase *Call = dyn_cast<CallBase>(V)) {
+  if (auto *Call = dyn_cast<CallBase>(V)) {
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arsenm wrote:

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

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