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[lld] Remove unused local variables (NFC) #138470

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kazutakahirata
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llvmbot commented May 4, 2025

@llvm/pr-subscribers-lld
@llvm/pr-subscribers-platform-windows

@llvm/pr-subscribers-lld-wasm

Author: Kazu Hirata (kazutakahirata)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/138470.diff

3 Files Affected:

  • (modified) lld/COFF/DebugTypes.cpp (-1)
  • (modified) lld/ELF/Driver.cpp (+1-2)
  • (modified) lld/wasm/WriterUtils.cpp (-1)
diff --git a/lld/COFF/DebugTypes.cpp b/lld/COFF/DebugTypes.cpp
index 28e6993e3eeaa..c375360d19e70 100644
--- a/lld/COFF/DebugTypes.cpp
+++ b/lld/COFF/DebugTypes.cpp
@@ -475,7 +475,6 @@ static bool equalsPath(StringRef path1, StringRef path2) {
 
 // Find by name an OBJ provided on the command line
 PrecompSource *UsePrecompSource::findObjByName(StringRef fileNameOnly) {
-  SmallString<128> currentPath;
   for (auto kv : ctx.precompSourceMappings) {
     StringRef currentFileName = sys::path::filename(kv.second->file->getName(),
                                                     sys::path::Style::windows);
diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index 9d36071e1532f..e8acdbefa32bb 100644
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -2319,8 +2319,7 @@ static void writeArchiveStats(Ctx &ctx) {
 
   os << "members\textracted\tarchive\n";
 
-  SmallVector<StringRef, 0> archives;
-  DenseMap<CachedHashStringRef, unsigned> all, extracted;
+  DenseMap<CachedHashStringRef, unsigned> extracted;
   for (ELFFileBase *file : ctx.objectFiles)
     if (file->archiveName.size())
       ++extracted[CachedHashStringRef(file->archiveName)];
diff --git a/lld/wasm/WriterUtils.cpp b/lld/wasm/WriterUtils.cpp
index f8c408084af0b..b78c354ffb97b 100644
--- a/lld/wasm/WriterUtils.cpp
+++ b/lld/wasm/WriterUtils.cpp
@@ -75,7 +75,6 @@ static std::string toString(const llvm::wasm::WasmLimits &limits) {
 }
 
 std::string toString(const WasmTableType &type) {
-  SmallString<128> ret("");
   return "type=" + toString(static_cast<ValType>(type.ElemType)) +
          "; limits=[" + toString(type.Limits) + "]";
 }

@llvmbot
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llvmbot commented May 4, 2025

@llvm/pr-subscribers-lld-coff

Author: Kazu Hirata (kazutakahirata)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/138470.diff

3 Files Affected:

  • (modified) lld/COFF/DebugTypes.cpp (-1)
  • (modified) lld/ELF/Driver.cpp (+1-2)
  • (modified) lld/wasm/WriterUtils.cpp (-1)
diff --git a/lld/COFF/DebugTypes.cpp b/lld/COFF/DebugTypes.cpp
index 28e6993e3eeaa..c375360d19e70 100644
--- a/lld/COFF/DebugTypes.cpp
+++ b/lld/COFF/DebugTypes.cpp
@@ -475,7 +475,6 @@ static bool equalsPath(StringRef path1, StringRef path2) {
 
 // Find by name an OBJ provided on the command line
 PrecompSource *UsePrecompSource::findObjByName(StringRef fileNameOnly) {
-  SmallString<128> currentPath;
   for (auto kv : ctx.precompSourceMappings) {
     StringRef currentFileName = sys::path::filename(kv.second->file->getName(),
                                                     sys::path::Style::windows);
diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
index 9d36071e1532f..e8acdbefa32bb 100644
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -2319,8 +2319,7 @@ static void writeArchiveStats(Ctx &ctx) {
 
   os << "members\textracted\tarchive\n";
 
-  SmallVector<StringRef, 0> archives;
-  DenseMap<CachedHashStringRef, unsigned> all, extracted;
+  DenseMap<CachedHashStringRef, unsigned> extracted;
   for (ELFFileBase *file : ctx.objectFiles)
     if (file->archiveName.size())
       ++extracted[CachedHashStringRef(file->archiveName)];
diff --git a/lld/wasm/WriterUtils.cpp b/lld/wasm/WriterUtils.cpp
index f8c408084af0b..b78c354ffb97b 100644
--- a/lld/wasm/WriterUtils.cpp
+++ b/lld/wasm/WriterUtils.cpp
@@ -75,7 +75,6 @@ static std::string toString(const llvm::wasm::WasmLimits &limits) {
 }
 
 std::string toString(const WasmTableType &type) {
-  SmallString<128> ret("");
   return "type=" + toString(static_cast<ValType>(type.ElemType)) +
          "; limits=[" + toString(type.Limits) + "]";
 }

@kazutakahirata kazutakahirata merged commit d3e792c into llvm:main May 4, 2025
17 checks passed
@kazutakahirata kazutakahirata deleted the cleanup_001_tidy_bugprone-unused-local-non-trivial-variable_lld branch May 4, 2025 21:14
IanWood1 pushed a commit to IanWood1/llvm-project that referenced this pull request May 6, 2025
IanWood1 pushed a commit to IanWood1/llvm-project that referenced this pull request May 6, 2025
IanWood1 pushed a commit to IanWood1/llvm-project that referenced this pull request May 6, 2025
GeorgeARM pushed a commit to GeorgeARM/llvm-project that referenced this pull request May 7, 2025
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4 participants