[llvm] Fix header guards (NFC)

Identified with llvm-header-guard.

GitOrigin-RevId: 1cc558bd4fa1acd1462226ef4796c712f80ea8e8
diff --git a/include/llvm/Analysis/ObjCARCUtil.h b/include/llvm/Analysis/ObjCARCUtil.h
index 9345c89..5064c48 100644
--- a/include/llvm/Analysis/ObjCARCUtil.h
+++ b/include/llvm/Analysis/ObjCARCUtil.h
@@ -11,8 +11,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LIB_ANALYSIS_OBJCARCUTIL_H
-#define LLVM_LIB_ANALYSIS_OBJCARCUTIL_H
+#ifndef LLVM_ANALYSIS_OBJCARCUTIL_H
+#define LLVM_ANALYSIS_OBJCARCUTIL_H
 
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/LLVMContext.h"
diff --git a/include/llvm/CodeGen/ReplaceWithVeclib.h b/include/llvm/CodeGen/ReplaceWithVeclib.h
index 7b6ff3d..d0fadd5 100644
--- a/include/llvm/CodeGen/ReplaceWithVeclib.h
+++ b/include/llvm/CodeGen/ReplaceWithVeclib.h
@@ -11,8 +11,8 @@
 // library (e.g., libmvec, SVML) according to TargetLibraryInfo.
 //
 //===----------------------------------------------------------------------===//
-#ifndef LLVM_TRANSFORMS_UTILS_REPLACEWITHVECLIB_H
-#define LLVM_TRANSFORMS_UTILS_REPLACEWITHVECLIB_H
+#ifndef LLVM_CODEGEN_REPLACEWITHVECLIB_H
+#define LLVM_CODEGEN_REPLACEWITHVECLIB_H
 
 #include "llvm/IR/PassManager.h"
 #include "llvm/InitializePasses.h"
@@ -33,4 +33,4 @@
 };
 
 } // End namespace llvm
-#endif // LLVM_TRANSFORMS_UTILS_REPLACEWITHVECLIB_H
+#endif // LLVM_CODEGEN_REPLACEWITHVECLIB_H