[llvm] c95745f - [llvm] Use StringRef::{starts_with, find} (NFC) (#139661)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-05-12T23:24:07-07:00
New Revision: c95745f2dbe61bedebe0d77e1e7beab18157fc13

URL: https://github.com/llvm/llvm-project/commit/c95745f2dbe61bedebe0d77e1e7beab18157fc13
DIFF: https://github.com/llvm/llvm-project/commit/c95745f2dbe61bedebe0d77e1e7beab18157fc13.diff

LOG: [llvm] Use StringRef::{starts_with,find} (NFC) (#139661)

Calling find/contains in the StringRef domain allows us to avoid
creating temporary instances of std::string.

Added: 
    

Modified: 
    llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp
    llvm/lib/TableGen/Record.cpp

Removed: 
    


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diff  --git a/llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp b/llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp
index 22137ea172240..7a0256f10ea60 100644
--- a/llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp
+++ b/llvm/lib/DebugInfo/GSYM/DwarfTransformer.cpp
@@ -780,7 +780,7 @@ llvm::Error DwarfTransformer::verify(StringRef GsymPath,
           const auto &dii = DwarfInlineInfos.getFrame(Idx);
           gsymFilename = LR->getSourceFile(Idx);
           // Verify function name
-          if (dii.FunctionName.find(gii.Name.str()) != 0)
+          if (!StringRef(dii.FunctionName).starts_with(gii.Name))
             Out << "error: address " << HEX64(Addr) << " DWARF function \""
                 << dii.FunctionName.c_str()
                 << "\" doesn't match GSYM function \"" << gii.Name << "\"\n";

diff  --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
index 51ed259132497..0d9fcb0e63dae 100644
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -1796,11 +1796,11 @@ const Init *TernOpInit::Fold(const Record *CurRec) const {
     if (LHSs && MHSs && RHSs) {
       std::string Val = RHSs->getValue().str();
 
-      std::string::size_type found;
-      std::string::size_type idx = 0;
+      StringRef::size_type found;
+      StringRef::size_type idx = 0;
       while (true) {
-        found = Val.find(LHSs->getValue().str(), idx);
-        if (found == std::string::npos)
+        found = StringRef(Val).find(LHSs->getValue(), idx);
+        if (found == StringRef::npos)
           break;
         Val.replace(found, LHSs->getValue().size(), MHSs->getValue().str());
         idx = found + MHSs->getValue().size();