[NFC][HWASAN] Rename local variable

diff --git a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
index e8456b7..55ee31b 100644 (file)
--- a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
@@ -988,10 +988,10 @@ void HWAddressSanitizer::tagAlloca(IRBuilder<> &IRB, AllocaInst *AI, Value *Tag,
   if (!UseShortGranules)
     Size = AlignedSize;
 
-  Value *JustTag = IRB.CreateTrunc(Tag, IRB.getInt8Ty());
+  Tag = IRB.CreateTrunc(Tag, IRB.getInt8Ty());
   if (InstrumentWithCalls) {
     IRB.CreateCall(HwasanTagMemoryFunc,
-                   {IRB.CreatePointerCast(AI, Int8PtrTy), JustTag,
+                   {IRB.CreatePointerCast(AI, Int8PtrTy), Tag,
                     ConstantInt::get(IntptrTy, AlignedSize)});
   } else {
     size_t ShadowSize = Size >> Mapping.Scale;
@@ -1004,14 +1004,14 @@ void HWAddressSanitizer::tagAlloca(IRBuilder<> &IRB, AllocaInst *AI, Value *Tag,
     // llvm.memset right here into either a sequence of stores, or a call to
     // hwasan_tag_memory.
     if (ShadowSize)
-      IRB.CreateMemSet(ShadowPtr, JustTag, ShadowSize, Align(1));
+      IRB.CreateMemSet(ShadowPtr, Tag, ShadowSize, Align(1));
     if (Size != AlignedSize) {
       const uint8_t SizeRemainder = Size % Mapping.getObjectAlignment().value();
       IRB.CreateStore(ConstantInt::get(Int8Ty, SizeRemainder),
                       IRB.CreateConstGEP1_32(Int8Ty, ShadowPtr, ShadowSize));
-      IRB.CreateStore(JustTag, IRB.CreateConstGEP1_32(
-                                   Int8Ty, IRB.CreatePointerCast(AI, Int8PtrTy),
-                                   AlignedSize - 1));
+      IRB.CreateStore(Tag, IRB.CreateConstGEP1_32(
+                               Int8Ty, IRB.CreatePointerCast(AI, Int8PtrTy),
+                               AlignedSize - 1));
     }
   }
 }