diff options
Diffstat (limited to 'lib/Transforms/IPO/InlineSimple.cpp')
-rw-r--r-- | lib/Transforms/IPO/InlineSimple.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/lib/Transforms/IPO/InlineSimple.cpp b/lib/Transforms/IPO/InlineSimple.cpp index 0c5b3be..84dd4fd 100644 --- a/lib/Transforms/IPO/InlineSimple.cpp +++ b/lib/Transforms/IPO/InlineSimple.cpp @@ -22,6 +22,7 @@ #include "llvm/Support/CallSite.h" #include "llvm/Transforms/IPO.h" #include "llvm/Transforms/IPO/InlinerPass.h" +#include "llvm/Target/TargetData.h" #include "llvm/ADT/SmallPtrSet.h" using namespace llvm; @@ -30,7 +31,7 @@ namespace { class SimpleInliner : public Inliner { // Functions that are never inlined - SmallPtrSet<const Function*, 16> NeverInline; + SmallPtrSet<const Function*, 16> NeverInline; InlineCostAnalyzer CA; public: SimpleInliner() : Inliner(ID) { @@ -68,16 +69,17 @@ INITIALIZE_PASS_END(SimpleInliner, "inline", Pass *llvm::createFunctionInliningPass() { return new SimpleInliner(); } -Pass *llvm::createFunctionInliningPass(int Threshold) { +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>()); + Module &M = CG.getModule(); - + for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) if (!I->isDeclaration() && I->hasFnAttr(Attribute::NoInline)) @@ -85,34 +87,34 @@ bool SimpleInliner::doInitialization(CallGraph &CG) { // Get llvm.noinline GlobalVariable *GV = M.getNamedGlobal("llvm.noinline"); - + if (GV == 0) return false; // Don't crash on invalid code if (!GV->hasDefinitiveInitializer()) return false; - + const ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer()); - + if (InitList == 0) return false; // Iterate over each element and add to the NeverInline set for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) { - + // Get Source const Constant *Elt = InitList->getOperand(i); - + if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(Elt)) - if (CE->getOpcode() == Instruction::BitCast) + if (CE->getOpcode() == Instruction::BitCast) Elt = CE->getOperand(0); - + // Insert into set of functions to never inline if (const Function *F = dyn_cast<Function>(Elt)) NeverInline.insert(F); } - + return false; } |