[CGStmt] Use helper functions to set memory attributes (NFC)

diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index ebbc79c..30c955b 100644 (file)
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -2280,9 +2280,9 @@ static void UpdateAsmCallInst(llvm::CallBase &Result, bool HasSideEffect,
   // Attach readnone and readonly attributes.
   if (!HasSideEffect) {
     if (ReadNone)
-      Result.addFnAttr(llvm::Attribute::ReadNone);
+      Result.setDoesNotAccessMemory();
     else if (ReadOnly)
-      Result.addFnAttr(llvm::Attribute::ReadOnly);
+      Result.setOnlyReadsMemory();
   }
 
   // Add elementtype attribute for indirect constraints.