[llvm] [DirectX] add GEP i8 legalization (PR #142475)

[Sarah Spall via llvm-commits]

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@@ -175,25 +207,35 @@ static void upcastI8AllocasAndUses(Instruction &I,
 
   Type *SmallestType = nullptr;
 
-  for (User *U : AI->users()) {
-    auto *Load = dyn_cast<LoadInst>(U);
-    if (!Load)
-      continue;
+  auto ProcessLoad = [&](LoadInst *Load) {
     for (User *LU : Load->users()) {
       Type *Ty = nullptr;
-      if (auto *Cast = dyn_cast<CastInst>(LU))
+      if (auto *Cast = dyn_cast<CastInst>(LU)) {
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spall wrote:

unnecessary braces?

https://github.com/llvm/llvm-project/pull/142475