[tools] Use *Set::insert_range (NFC)

[kazutakahirata]

We can use *Set::insert_range to replace "for" loop-based insertions.
In some cases, we can further fold insert_range into the set
declaration.

[llvmbot]

@llvm/pr-subscribers-llvm-binary-utilities

Author: Kazu Hirata (kazutakahirata)

Changes

We can use *Set::insert_range to replace "for" loop-based insertions.
In some cases, we can further fold insert_range into the set
declaration.

---

Full diff: https://github.com/llvm/llvm-project/pull/133384.diff

3 Files Affected:

• (modified) llvm/tools/bugpoint/CrashDebugger.cpp (+1-4)
• (modified) llvm/tools/llvm-lto/llvm-lto.cpp (+1-3)
• (modified) llvm/tools/llvm-objdump/llvm-objdump.cpp (+1-2)

diff --git a/llvm/tools/bugpoint/CrashDebugger.cpp b/llvm/tools/bugpoint/CrashDebugger.cpp
index 2268aac351789..a7777f778f66e 100644
--- a/llvm/tools/bugpoint/CrashDebugger.cpp
+++ b/llvm/tools/bugpoint/CrashDebugger.cpp
@@ -968,10 +968,7 @@ class ReduceCrashingNamedMDOps : public ListReducer<const MDNode *> {
 bool ReduceCrashingNamedMDOps::TestNamedMDOps(
     std::vector<const MDNode *> &NamedMDOps) {
   // Convert list to set for fast lookup...
-  SmallPtrSet<const MDNode *, 32> OldMDNodeOps;
-  for (unsigned i = 0, e = NamedMDOps.size(); i != e; ++i) {
-    OldMDNodeOps.insert(NamedMDOps[i]);
-  }
+  SmallPtrSet<const MDNode *, 32> OldMDNodeOps(llvm::from_range, NamedMDOps);
 
   outs() << "Checking for crash with only " << OldMDNodeOps.size();
   if (OldMDNodeOps.size() == 1)
diff --git a/llvm/tools/llvm-lto/llvm-lto.cpp b/llvm/tools/llvm-lto/llvm-lto.cpp
index 0aa47e534855c..bf2b5be977eb4 100644
--- a/llvm/tools/llvm-lto/llvm-lto.cpp
+++ b/llvm/tools/llvm-lto/llvm-lto.cpp
@@ -1090,9 +1090,7 @@ int main(int argc, char **argv) {
   CodeGen.setTargetOptions(Options);
   CodeGen.setShouldRestoreGlobalsLinkage(RestoreGlobalsLinkage);
 
-  StringSet<MallocAllocator> DSOSymbolsSet;
-  for (unsigned i = 0; i < DSOSymbols.size(); ++i)
-    DSOSymbolsSet.insert(DSOSymbols[i]);
+  StringSet<MallocAllocator> DSOSymbolsSet(llvm::from_range, DSOSymbols);
 
   std::vector<std::string> KeptDSOSyms;
 
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index c897881430fae..c62ebbae55885 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -2073,8 +2073,7 @@ disassembleObject(ObjectFile &Obj, const ObjectFile &DbgObj,
       if (Start < SectionAddr || StopAddress <= Start)
         continue;
 
-      for (size_t i = 0; i < SymbolsHere.size(); ++i)
-        FoundDisasmSymbolSet.insert(SymNamesHere[i]);
+      FoundDisasmSymbolSet.insert_range(SymNamesHere);
 
       // The end is the section end, the beginning of the next symbol, or
       // --stop-address.