1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp b/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp
new file mode 100644
index 0000000..50038d8
--- /dev/null
+++ b/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp
@@ -0,0 +1,68 @@
+//===- InlineSimple.cpp - Code to perform simple function inlining --------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements bottom-up inlining of functions into callees.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "inline"
+#include "llvm/CallingConv.h"
+#include "llvm/Instructions.h"
+#include "llvm/IntrinsicInst.h"
+#include "llvm/Module.h"
+#include "llvm/Type.h"
+#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/InlineCost.h"
+#include "llvm/Support/CallSite.h"
+#include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/InlinerPass.h"
+#include "llvm/Target/TargetData.h"
+
+using namespace llvm;
+
+namespace {
+
+  class SimpleInliner : public Inliner {
+    InlineCostAnalyzer CA;
+  public:
+    SimpleInliner() : Inliner(ID) {
+      initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+    }
+    SimpleInliner(int Threshold) : Inliner(ID, Threshold,
+                                           /*InsertLifetime*/true) {
+      initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+    }
+    static char ID; // Pass identification, replacement for typeid
+    InlineCost getInlineCost(CallSite CS) {
+      return CA.getInlineCost(CS, getInlineThreshold(CS));
+    }
+    virtual bool doInitialization(CallGraph &CG);
+  };
+}
+
+char SimpleInliner::ID = 0;
+INITIALIZE_PASS_BEGIN(SimpleInliner, "inline",
+                "Function Integration/Inlining", false, false)
+INITIALIZE_AG_DEPENDENCY(CallGraph)
+INITIALIZE_PASS_END(SimpleInliner, "inline",
+                "Function Integration/Inlining", false, false)
+
+Pass *llvm::createFunctionInliningPass() { return new SimpleInliner(); }
+
+Pass *llvm::createFunctionInliningPass(int Threshold) {
+  return new SimpleInliner(Threshold);
+}
+
+// doInitialization - Initializes the vector of functions that have been
+// annotated with the noinline attribute.
+bool SimpleInliner::doInitialization(CallGraph &CG) {
+  CA.setTargetData(getAnalysisIfAvailable<TargetData>());
+  return false;
+}
+