[llvm] [tools] Don't call StringRef::str() when calling StringMap::find (NFC) (PR #113119)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-pgo

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

StringMap::find takes StringRef.  We don't need to create an instance
of std::string from StringRef only to convert it right back to
StringRef.


---
Full diff: https://github.com/llvm/llvm-project/pull/113119.diff


2 Files Affected:

- (modified) llvm/tools/llvm-profdata/llvm-profdata.cpp (+2-2) 
- (modified) llvm/tools/llvm-readtapi/llvm-readtapi.cpp (+1-1) 


``````````diff
diff --git a/llvm/tools/llvm-profdata/llvm-profdata.cpp b/llvm/tools/llvm-profdata/llvm-profdata.cpp
index c235c3f2b105e1..59f0f1f1fae899 100644
--- a/llvm/tools/llvm-profdata/llvm-profdata.cpp
+++ b/llvm/tools/llvm-profdata/llvm-profdata.cpp
@@ -1297,7 +1297,7 @@ adjustInstrProfile(std::unique_ptr<WriterContext> &WC,
       } else {
         auto NewName = StaticFuncMap.find(Name);
         if (NewName != StaticFuncMap.end()) {
-          It = InstrProfileMap.find(NewName->second.str());
+          It = InstrProfileMap.find(NewName->second);
           if (NewName->second != DuplicateNameStr) {
             NewRootName = &NewName->second;
           }
@@ -1382,7 +1382,7 @@ adjustInstrProfile(std::unique_ptr<WriterContext> &WC,
     if (It == InstrProfileMap.end()) {
       auto NewName = StaticFuncMap.find(Name);
       if (NewName != StaticFuncMap.end()) {
-        It = InstrProfileMap.find(NewName->second.str());
+        It = InstrProfileMap.find(NewName->second);
         if (NewName->second == DuplicateNameStr) {
           WithColor::warning()
               << "Static function " << Name
diff --git a/llvm/tools/llvm-readtapi/llvm-readtapi.cpp b/llvm/tools/llvm-readtapi/llvm-readtapi.cpp
index 1d740109d5b679..7390d0ec4b79a3 100644
--- a/llvm/tools/llvm-readtapi/llvm-readtapi.cpp
+++ b/llvm/tools/llvm-readtapi/llvm-readtapi.cpp
@@ -382,7 +382,7 @@ static void stubifyDirectory(const StringRef InputPath, Context &Ctx) {
     // libraries to stubify.
     StringRef LibToCheck = Found->second;
     for (int i = 0; i < 20; ++i) {
-      auto LinkIt = SymLinks.find(LibToCheck.str());
+      auto LinkIt = SymLinks.find(LibToCheck);
       if (LinkIt != SymLinks.end()) {
         for (auto &SymInfo : LinkIt->second) {
           SmallString<PATH_MAX> LinkSrc(SymInfo.SrcPath);

``````````

</details>


https://github.com/llvm/llvm-project/pull/113119