Don't give a massive inlining cost bonus to available_externally

functions with a single use; eliminating the single use may eliminate
the function from the current module, but usually doesn't eliminate
it from the final program.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76730 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/InlineCost.cpp b/lib/Transforms/Utils/InlineCost.cpp
index 8925a75..9cd4702 100644 (file)
--- a/lib/Transforms/Utils/InlineCost.cpp
+++ b/lib/Transforms/Utils/InlineCost.cpp
@@ -201,8 +201,7 @@ InlineCost InlineCostAnalyzer::getInlineCost(CallSite CS,
   // If there is only one call of the function, and it has internal linkage,
   // make it almost guaranteed to be inlined.
   //
-  if ((Callee->hasLocalLinkage() || Callee->hasAvailableExternallyLinkage()) && 
-      Callee->hasOneUse())
+  if (Callee->hasLocalLinkage() && Callee->hasOneUse())
     InlineCost -= 15000;
   
   // If this function uses the coldcc calling convention, prefer not to inline