From: Devang Patel <dpatel@apple.com>
Date: Wed, 3 Sep 2008 23:06:09 +0000 (+0000)
Subject: Update inline threshold for current function if the notes say, optimize for size.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7bbb4339f905345f92fcd60bf8f64bdc29c8cc36;p=oota-llvm.git

Update inline threshold for current function if the notes say, optimize for size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55745 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/Inliner.cpp b/lib/Transforms/IPO/Inliner.cpp
index 1c3d5a81f36..38cb67dddf1 100644
--- a/lib/Transforms/IPO/Inliner.cpp
+++ b/lib/Transforms/IPO/Inliner.cpp
@@ -139,8 +139,15 @@ bool Inliner::runOnSCC(const std::vector<CallGraphNode*> &SCC) {
         CallSite CS = CallSites[CSi];
         int InlineCost = getInlineCost(CS);
         float FudgeFactor = getInlineFudgeFactor(CS);
-
-        if (InlineCost >= (int)(InlineThreshold * FudgeFactor)) {
+        
+        int CurrentThreshold = InlineThreshold;
+        Function *Fn = CS.getCaller();
+        if (Fn && (Fn->getNotes() & FN_NOTE_OptimizeForSize)
+            && InlineThreshold != 50) {
+          CurrentThreshold = 50;
+        }
+        
+        if (InlineCost >= (int)(CurrentThreshold * FudgeFactor)) {
           DOUT << "    NOT Inlining: cost=" << InlineCost
                << ", Call: " << *CS.getInstruction();
         } else {