[llvm] [SimplifyCFG] Use range-based for loops (NFC) (PR #107180)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/107180.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Utils/SimplifyCFG.cpp (+6-6) 


``````````diff
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index 15de40c7b09962..f9db996cdc3583 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1000,20 +1000,20 @@ bool SimplifyCFGOpt::simplifyEqualityComparisonWithOnlyPredecessor(
   // which value (or set of values) this is.
   ConstantInt *TIV = nullptr;
   BasicBlock *TIBB = TI->getParent();
-  for (unsigned i = 0, e = PredCases.size(); i != e; ++i)
-    if (PredCases[i].Dest == TIBB) {
+  for (const auto &[Value, Dest] : PredCases)
+    if (Dest == TIBB) {
       if (TIV)
         return false; // Cannot handle multiple values coming to this block.
-      TIV = PredCases[i].Value;
+      TIV = Value;
     }
   assert(TIV && "No edge from pred to succ?");
 
   // Okay, we found the one constant that our value can be if we get into TI's
   // BB.  Find out which successor will unconditionally be branched to.
   BasicBlock *TheRealDest = nullptr;
-  for (unsigned i = 0, e = ThisCases.size(); i != e; ++i)
-    if (ThisCases[i].Value == TIV) {
-      TheRealDest = ThisCases[i].Dest;
+  for (const auto &[Value, Dest] : ThisCases)
+    if (Value == TIV) {
+      TheRealDest = Dest;
       break;
     }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/107180