[llvm] a0fbc19 - [MemorySanitizer] Silence an unused-variable warning (NFC)

[Jie Fu via llvm-commits]

Author: Jie Fu
Date: 2025-02-12T11:32:51+08:00
New Revision: a0fbc19ad6bcc77ee7c9e5161d5ac23f90da0aa0

URL: https://github.com/llvm/llvm-project/commit/a0fbc19ad6bcc77ee7c9e5161d5ac23f90da0aa0
DIFF: https://github.com/llvm/llvm-project/commit/a0fbc19ad6bcc77ee7c9e5161d5ac23f90da0aa0.diff

LOG: [MemorySanitizer] Silence an unused-variable warning (NFC)

/llvm-project/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp:2622:22:
 error: unused variable 'ReturnType' [-Werror,-Wunused-variable]
    FixedVectorType *ReturnType = cast<FixedVectorType>(I.getType());
                     ^
1 error generated.

Added: 
    

Modified: 
    llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
index 04b076d21ffba..4e02f8c5ad8f9 100644
--- a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -2619,7 +2619,8 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
         cast<FixedVectorType>(I.getArgOperand(0)->getType());
     if (I.arg_size() == 2)
       assert(ParamType == cast<FixedVectorType>(I.getArgOperand(1)->getType()));
-    FixedVectorType *ReturnType = cast<FixedVectorType>(I.getType());
+    [[maybe_unused]] FixedVectorType *ReturnType =
+        cast<FixedVectorType>(I.getType());
     assert(ParamType->getNumElements() * I.arg_size() ==
            2 * ReturnType->getNumElements());