[Attributor][NFC] Avoid unnecessary string operations

This caused multiple string operations which we don't need if we do not
create a profile.

diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index b11b881..69cd4e0 100644 (file)
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -2499,9 +2499,9 @@ ChangeStatus Attributor::run() {
 }
 
 ChangeStatus Attributor::updateAA(AbstractAttribute &AA) {
-  TimeTraceScope TimeScope(
-      AA.getName() + std::to_string(AA.getIRPosition().getPositionKind()) +
-      "::updateAA");
+  TimeTraceScope TimeScope("updateAA", [&]() {
+    return AA.getName() + std::to_string(AA.getIRPosition().getPositionKind());
+  });
   assert(Phase == AttributorPhase::UPDATE &&
          "We can update AA only in the update stage!");