replace a loop with a constant time check.
llvm-svn: 45875
diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
index 91b3766..071d0e9 100644
--- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -125,9 +125,8 @@
// Ensure that this call site is CALLING the function, not passing it as
// an argument.
- for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
- AI != E; ++AI)
- if (*AI == F) return false; // Passing the function address in!
+ if (UI.getOperandNo() != 0)
+ return false;
}
// Check to see which arguments are promotable. If an argument is not