//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "inline"
#include "llvm/Transforms/IPO.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/InlineCost.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DataLayout.h"
-#include "llvm/Instructions.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Module.h"
-#include "llvm/Support/CallSite.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/Transforms/IPO/InlinerPass.h"
-#include "llvm/Type.h"
using namespace llvm;
+#define DEBUG_TYPE "inline"
+
namespace {
- // AlwaysInliner only inlines functions that are mark as "always inline".
- class AlwaysInliner : public Inliner {
- InlineCostAnalyzer CA;
- public:
- // Use extremely low threshold.
- AlwaysInliner() : Inliner(ID, -2000000000, /*InsertLifetime*/true) {
- initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
- }
- AlwaysInliner(bool InsertLifetime) : Inliner(ID, -2000000000,
- InsertLifetime) {
- initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
- }
- static char ID; // Pass identification, replacement for typeid
- virtual InlineCost getInlineCost(CallSite CS);
-
- using llvm::Pass::doInitialization;
- using llvm::Pass::doFinalization;
-
- virtual bool doFinalization(CallGraph &CG) {
- return removeDeadFunctions(CG, /*AlwaysInlineOnly=*/true);
- }
- virtual bool doInitialization(CallGraph &CG);
- };
+/// \brief Inliner pass which only handles "always inline" functions.
+class AlwaysInliner : public Inliner {
+ InlineCostAnalysis *ICA;
+
+public:
+ // Use extremely low threshold.
+ AlwaysInliner() : Inliner(ID, -2000000000, /*InsertLifetime*/ true),
+ ICA(nullptr) {
+ initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
+ }
+
+ AlwaysInliner(bool InsertLifetime)
+ : Inliner(ID, -2000000000, InsertLifetime), ICA(nullptr) {
+ initializeAlwaysInlinerPass(*PassRegistry::getPassRegistry());
+ }
+
+ static char ID; // Pass identification, replacement for typeid
+
+ InlineCost getInlineCost(CallSite CS) override;
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+ bool runOnSCC(CallGraphSCC &SCC) override;
+
+ using llvm::Pass::doFinalization;
+ bool doFinalization(CallGraph &CG) override {
+ return removeDeadFunctions(CG, /*AlwaysInlineOnly=*/ true);
+ }
+};
+
}
char AlwaysInliner::ID = 0;
INITIALIZE_PASS_BEGIN(AlwaysInliner, "always-inline",
"Inliner for always_inline functions", false, false)
-INITIALIZE_AG_DEPENDENCY(CallGraph)
+INITIALIZE_PASS_DEPENDENCY(CallGraphWrapperPass)
+INITIALIZE_PASS_DEPENDENCY(InlineCostAnalysis)
INITIALIZE_PASS_END(AlwaysInliner, "always-inline",
"Inliner for always_inline functions", false, false)
// that are viable for inlining. FIXME: We shouldn't even get here for
// declarations.
if (Callee && !Callee->isDeclaration() &&
- Callee->getFnAttributes().hasAttribute(Attribute::AlwaysInline) &&
- CA.isInlineViable(*Callee))
+ CS.hasFnAttr(Attribute::AlwaysInline) &&
+ ICA->isInlineViable(*Callee))
return InlineCost::getAlways();
return InlineCost::getNever();
}
-// doInitialization - Initializes the vector of functions that have not
-// been annotated with the "always inline" attribute.
-bool AlwaysInliner::doInitialization(CallGraph &CG) {
- CA.setDataLayout(getAnalysisIfAvailable<DataLayout>());
- return false;
+bool AlwaysInliner::runOnSCC(CallGraphSCC &SCC) {
+ ICA = &getAnalysis<InlineCostAnalysis>();
+ return Inliner::runOnSCC(SCC);
+}
+
+void AlwaysInliner::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequired<InlineCostAnalysis>();
+ Inliner::getAnalysisUsage(AU);
}