Refactor inline costs analysis by removing the InlineCostAnalysis class

InlineCostAnalysis is an analysis pass without any need for it to be one.
Once it stops being an analysis pass, it doesn't maintain any useful state
and the member functions inside can be made free functions. NFC.

Differential Revision: http://reviews.llvm.org/D15701

llvm-svn: 256521

1 files changed, 8 insertions, 6 deletions

diff --git a/llvm/lib/Transforms/IPO/Inliner.cpp b/llvm/lib/Transforms/IPO/Inliner.cpp
index 6335d05e2d9..bbe5f8761d5 100644
--- a/llvm/lib/Transforms/IPO/Inliner.cpp
+++ b/llvm/lib/Transforms/IPO/Inliner.cpp
@@ -65,13 +65,15 @@ ColdThreshold("inlinecold-threshold", cl::Hidden, cl::init(225),
 // Threshold to use when optsize is specified (and there is no -inline-limit).
 const int OptSizeThreshold = 75;
 
-Inliner::Inliner(char &ID) 
-  : CallGraphSCCPass(ID), InlineThreshold(InlineLimit), InsertLifetime(true) {}
+Inliner::Inliner(char &ID)
+    : CallGraphSCCPass(ID), InlineThreshold(InlineLimit), InsertLifetime(true) {
+}
 
 Inliner::Inliner(char &ID, int Threshold, bool InsertLifetime)
-  : CallGraphSCCPass(ID), InlineThreshold(InlineLimit.getNumOccurrences() > 0 ?
-                                          InlineLimit : Threshold),
-    InsertLifetime(InsertLifetime) {}
+    : CallGraphSCCPass(ID),
+      InlineThreshold(InlineLimit.getNumOccurrences() > 0 ? InlineLimit
+                                                          : Threshold),
+      InsertLifetime(InsertLifetime) {}
 
 /// For this class, we declare that we require and preserve the call graph.
 /// If the derived class implements this method, it should
@@ -439,7 +441,7 @@ static bool InlineHistoryIncludes(Function *F, int InlineHistoryID,
 
 bool Inliner::runOnSCC(CallGraphSCC &SCC) {
   CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
-  AssumptionCacheTracker *ACT = &getAnalysis<AssumptionCacheTracker>();
+  ACT = &getAnalysis<AssumptionCacheTracker>();
   auto &TLI = getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
 
   SmallPtrSet<Function*, 8> SCCFunctions;