#include "llvm/Function.h"
#include "llvm/Pass.h"
#include "llvm/Type.h"
+#include "llvm/Analysis/ProfileInfo.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/CFG.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallPtrSet.h"
using namespace llvm;
namespace {
- class VISIBILITY_HIDDEN UnreachableBlockElim : public FunctionPass {
+ class UnreachableBlockElim : public FunctionPass {
virtual bool runOnFunction(Function &F);
public:
static char ID; // Pass identification, replacement for typeid
UnreachableBlockElim() : FunctionPass(&ID) {}
+
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addPreserved<ProfileInfo>();
+ }
};
}
char UnreachableBlockElim::ID = 0;
}
// Actually remove the blocks now.
- for (unsigned i = 0, e = DeadBlocks.size(); i != e; ++i)
+ ProfileInfo *PI = getAnalysisIfAvailable<ProfileInfo>();
+ for (unsigned i = 0, e = DeadBlocks.size(); i != e; ++i) {
+ if (PI) PI->removeBlock(DeadBlocks[i]);
DeadBlocks[i]->eraseFromParent();
+ }
return DeadBlocks.size();
}
namespace {
- class VISIBILITY_HIDDEN UnreachableMachineBlockElim :
- public MachineFunctionPass {
+ class UnreachableMachineBlockElim : public MachineFunctionPass {
virtual bool runOnMachineFunction(MachineFunction &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
MachineModuleInfo *MMI;