Handle "always inline" note during inline cost analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55712 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 4 insertions, 6 deletions

diff --git a/lib/Transforms/IPO/Inliner.cpp b/lib/Transforms/IPO/Inliner.cpp
index 3ea1620..1c3d5a8 100644
--- a/lib/Transforms/IPO/Inliner.cpp
+++ b/lib/Transforms/IPO/Inliner.cpp
@@ -140,12 +140,7 @@ bool Inliner::runOnSCC(const std::vector<CallGraphNode*> &SCC) {
         int InlineCost = getInlineCost(CS);
         float FudgeFactor = getInlineFudgeFactor(CS);
 
-        Function *Fn = CS.getCalledFunction();
-        bool AlwaysInline = false;
-        if (Fn && (Fn->getNotes() & FN_NOTE_AlwaysInline))
-          AlwaysInline = true;
-        if (!AlwaysInline 
-            && InlineCost >= (int)(InlineThreshold * FudgeFactor)) {
+        if (InlineCost >= (int)(InlineThreshold * FudgeFactor)) {
           DOUT << "    NOT Inlining: cost=" << InlineCost
                << ", Call: " << *CS.getInstruction();
         } else {
diff --git a/lib/Transforms/Utils/InlineCost.cpp b/lib/Transforms/Utils/InlineCost.cpp
index 5c97fd2..2eaec06 100644
--- a/lib/Transforms/Utils/InlineCost.cpp
+++ b/lib/Transforms/Utils/InlineCost.cpp
@@ -221,6 +221,9 @@ int InlineCostAnalyzer::getInlineCost(CallSite CS,
   // If we should never inline this, return a huge cost.
   if (CalleeFI.NeverInline)
     return 2000000000;
+
+  if (Callee->getNotes() & FN_NOTE_AlwaysInline)
+    return -2000000000;
     
   // Add to the inline quality for properties that make the call valuable to
   // inline.  This includes factors that indicate that the result of inlining