diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp')
-rw-r--r-- | contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp b/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp index 57379a3..d189756 100644 --- a/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp +++ b/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp @@ -11,21 +11,22 @@ // //===----------------------------------------------------------------------===// -#define DEBUG_TYPE "inline" #include "llvm/Transforms/IPO.h" #include "llvm/Analysis/CallGraph.h" #include "llvm/Analysis/InlineCost.h" +#include "llvm/IR/CallSite.h" #include "llvm/IR/CallingConv.h" #include "llvm/IR/DataLayout.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/IntrinsicInst.h" #include "llvm/IR/Module.h" #include "llvm/IR/Type.h" -#include "llvm/Support/CallSite.h" #include "llvm/Transforms/IPO/InlinerPass.h" using namespace llvm; +#define DEBUG_TYPE "inline" + namespace { /// \brief Actual inliner pass implementation. @@ -37,31 +38,42 @@ class SimpleInliner : public Inliner { InlineCostAnalysis *ICA; public: - SimpleInliner() : Inliner(ID), ICA(0) { + SimpleInliner() : Inliner(ID), ICA(nullptr) { initializeSimpleInlinerPass(*PassRegistry::getPassRegistry()); } SimpleInliner(int Threshold) - : Inliner(ID, Threshold, /*InsertLifetime*/ true), ICA(0) { + : Inliner(ID, Threshold, /*InsertLifetime*/ true), ICA(nullptr) { initializeSimpleInlinerPass(*PassRegistry::getPassRegistry()); } static char ID; // Pass identification, replacement for typeid - InlineCost getInlineCost(CallSite CS) { + InlineCost getInlineCost(CallSite CS) override { return ICA->getInlineCost(CS, getInlineThreshold(CS)); } - virtual bool runOnSCC(CallGraphSCC &SCC); - virtual void getAnalysisUsage(AnalysisUsage &AU) const; + bool runOnSCC(CallGraphSCC &SCC) override; + void getAnalysisUsage(AnalysisUsage &AU) const override; }; +static int computeThresholdFromOptLevels(unsigned OptLevel, + unsigned SizeOptLevel) { + if (OptLevel > 2) + return 275; + if (SizeOptLevel == 1) // -Os + return 75; + if (SizeOptLevel == 2) // -Oz + return 25; + return 225; +} + } // end anonymous namespace char SimpleInliner::ID = 0; INITIALIZE_PASS_BEGIN(SimpleInliner, "inline", "Function Integration/Inlining", false, false) -INITIALIZE_PASS_DEPENDENCY(CallGraph) +INITIALIZE_PASS_DEPENDENCY(CallGraphWrapperPass) INITIALIZE_PASS_DEPENDENCY(InlineCostAnalysis) INITIALIZE_PASS_END(SimpleInliner, "inline", "Function Integration/Inlining", false, false) @@ -72,6 +84,12 @@ Pass *llvm::createFunctionInliningPass(int Threshold) { return new SimpleInliner(Threshold); } +Pass *llvm::createFunctionInliningPass(unsigned OptLevel, + unsigned SizeOptLevel) { + return new SimpleInliner( + computeThresholdFromOptLevels(OptLevel, SizeOptLevel)); +} + bool SimpleInliner::runOnSCC(CallGraphSCC &SCC) { ICA = &getAnalysis<InlineCostAnalysis>(); return Inliner::runOnSCC(SCC); |