From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 17 Jul 2008 01:31:49 +0000 (+0000)
Subject: Inliner tweak. Function calls should cost more than one instruction!
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=066fcf8628b14ebe93253a153cb1ffa2e901ee9b;p=oota-llvm.git

Inliner tweak. Function calls should cost more than one instruction!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53712 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/InlineCost.cpp b/lib/Transforms/Utils/InlineCost.cpp
index 10cb77bbcba..5c97fd2f706 100644
--- a/lib/Transforms/Utils/InlineCost.cpp
+++ b/lib/Transforms/Utils/InlineCost.cpp
@@ -119,6 +119,11 @@ void InlineCostAnalyzer::FunctionInfo::analyzeFunction(Function *F) {
             NeverInline = true;
             return;
           }
+        
+        // Calls often compile into many machine instructions.  Bump up their
+        // cost to reflect this.
+        if (!isa<IntrinsicInst>(II))
+          NumInsts += 5;
       }
       
       if (isa<ExtractElementInst>(II) || isa<VectorType>(II->getType()))