[llvm] [IR] Use range-based for loops (NFC) (PR #97575)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/97575

None

>From cfb2f579d29231a4215f845daf69dc18f5b99542 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Tue, 2 Jul 2024 19:39:20 -0700
Subject: [PATCH] [IR] Use range-based for loops (NFC)

---
 llvm/lib/IR/DIBuilder.cpp         | 6 +++---
 llvm/lib/IR/LegacyPassManager.cpp | 5 ++---
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/llvm/lib/IR/DIBuilder.cpp b/llvm/lib/IR/DIBuilder.cpp
index f39149ae0dad4..30b79b6d6f60f 100644
--- a/llvm/lib/IR/DIBuilder.cpp
+++ b/llvm/lib/IR/DIBuilder.cpp
@@ -79,9 +79,9 @@ void DIBuilder::finalize() {
   // list. Use a set to remove the duplicates while we transform the
   // TrackingVHs back into Values.
   SmallPtrSet<Metadata *, 16> RetainSet;
-  for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
-    if (RetainSet.insert(AllRetainTypes[I]).second)
-      RetainValues.push_back(AllRetainTypes[I]);
+  for (const TrackingMDNodeRef &N : AllRetainTypes)
+    if (RetainSet.insert(N).second)
+      RetainValues.push_back(N);
 
   if (!RetainValues.empty())
     CUNode->replaceRetainedTypes(MDTuple::get(VMContext, RetainValues));
diff --git a/llvm/lib/IR/LegacyPassManager.cpp b/llvm/lib/IR/LegacyPassManager.cpp
index d361bd9a98391..01aaedcf7d547 100644
--- a/llvm/lib/IR/LegacyPassManager.cpp
+++ b/llvm/lib/IR/LegacyPassManager.cpp
@@ -823,9 +823,8 @@ void PMTopLevelManager::dumpPasses() const {
     return;
 
   // Print out the immutable passes
-  for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) {
-    ImmutablePasses[i]->dumpPassStructure(0);
-  }
+  for (ImmutablePass *Pass : ImmutablePasses)
+    Pass->dumpPassStructure(0);
 
   // Every class that derives from PMDataManager also derives from Pass
   // (sometimes indirectly), but there's no inheritance relationship