#include "llvm/Transforms/IPO.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/DebugInfo.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
initializeStripSymbolsPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
initializeStripNonDebugSymbolsPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
initializeStripDebugDeclarePass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
initializeStripDeadDebugInfoPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
/// OnlyUsedBy - Return true if V is only used by Usr.
static bool OnlyUsedBy(Value *V, Value *Usr) {
- for(Value::use_iterator I = V->use_begin(), E = V->use_end(); I != E; ++I) {
- User *U = *I;
+ for (User *U : V->users())
if (U != Usr)
return false;
- }
+
return true;
}
static void RemoveDeadConstant(Constant *C) {
assert(C->use_empty() && "Constant is not dead!");
SmallPtrSet<Constant*, 4> Operands;
- for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
- if (OnlyUsedBy(C->getOperand(i), C))
- Operands.insert(cast<Constant>(C->getOperand(i)));
+ for (Value *Op : C->operands())
+ if (OnlyUsedBy(Op, C))
+ Operands.insert(cast<Constant>(Op));
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
if (!GV->hasLocalLinkage()) return; // Don't delete non-static globals.
GV->eraseFromParent();
C->destroyConstant();
// If the constant referenced anything, see if we can delete it as well.
- for (SmallPtrSet<Constant*, 4>::iterator OI = Operands.begin(),
- OE = Operands.end(); OI != OE; ++OI)
- RemoveDeadConstant(*OI);
+ for (Constant *O : Operands)
+ RemoveDeadConstant(O);
}
// Strip the symbol table of its names.
/// Find values that are marked as llvm.used.
static void findUsedValues(GlobalVariable *LLVMUsed,
- SmallPtrSet<const GlobalValue*, 8> &UsedValues) {
- if (LLVMUsed == 0) return;
+ SmallPtrSetImpl<const GlobalValue*> &UsedValues) {
+ if (!LLVMUsed) return;
UsedValues.insert(LLVMUsed);
ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer());
if (Declare) {
while (!Declare->use_empty()) {
- CallInst *CI = cast<CallInst>(Declare->use_back());
+ CallInst *CI = cast<CallInst>(Declare->user_back());
Value *Arg1 = CI->getArgOperand(0);
Value *Arg2 = CI->getArgOperand(1);
assert(CI->use_empty() && "llvm.dbg intrinsic should have void result");
// For each compile unit, find the live set of global variables/functions and
// replace the current list of potentially dead global variables/functions
// with the live list.
- SmallVector<Value *, 64> LiveGlobalVariables;
- SmallVector<Value *, 64> LiveSubprograms;
+ SmallVector<Metadata *, 64> LiveGlobalVariables;
+ SmallVector<Metadata *, 64> LiveSubprograms;
DenseSet<const MDNode *> VisitedSet;
- for (DebugInfoFinder::iterator CI = F.compile_unit_begin(),
- CE = F.compile_unit_end(); CI != CE; ++CI) {
- // Create our compile unit.
- DICompileUnit DIC(*CI);
- assert(DIC.Verify() && "DIC must verify as a DICompileUnit.");
-
+ for (DICompileUnit *DIC : F.compile_units()) {
// Create our live subprogram list.
- DIArray SPs = DIC.getSubprograms();
bool SubprogramChange = false;
- for (unsigned i = 0, e = SPs.getNumElements(); i != e; ++i) {
- DISubprogram DISP(SPs.getElement(i));
- assert(DISP.Verify() && "DISP must verify as a DISubprogram.");
-
+ for (DISubprogram *DISP : DIC->getSubprograms()) {
// Make sure we visit each subprogram only once.
if (!VisitedSet.insert(DISP).second)
continue;
// If the function referenced by DISP is not null, the function is live.
- if (DISP.getFunction())
+ if (DISP->getFunction())
LiveSubprograms.push_back(DISP);
else
SubprogramChange = true;
}
// Create our live global variable list.
- DIArray GVs = DIC.getGlobalVariables();
bool GlobalVariableChange = false;
- for (unsigned i = 0, e = GVs.getNumElements(); i != e; ++i) {
- DIGlobalVariable DIG(GVs.getElement(i));
- assert(DIG.Verify() && "DIG must verify as DIGlobalVariable.");
-
+ for (DIGlobalVariable *DIG : DIC->getGlobalVariables()) {
// Make sure we only visit each global variable only once.
if (!VisitedSet.insert(DIG).second)
continue;
// If the global variable referenced by DIG is not null, the global
// variable is live.
- if (DIG.getGlobal())
+ if (DIG->getVariable())
LiveGlobalVariables.push_back(DIG);
else
GlobalVariableChange = true;
// subprogram list/global variable list with our new live subprogram/global
// variable list.
if (SubprogramChange) {
- // Make sure that 9 is still the index of the subprograms. This is to make
- // sure that an assert is hit if the location of the subprogram array
- // changes. This is just to make sure that this is updated if such an
- // event occurs.
- assert(DIC->getNumOperands() >= 10 &&
- SPs == DIC->getOperand(9) &&
- "DICompileUnits is expected to store Subprograms in operand "
- "9.");
- DIC->replaceOperandWith(9, MDNode::get(C, LiveSubprograms));
+ DIC->replaceSubprograms(MDTuple::get(C, LiveSubprograms));
Changed = true;
}
if (GlobalVariableChange) {
- // Make sure that 10 is still the index of global variables. This is to
- // make sure that an assert is hit if the location of the subprogram array
- // changes. This is just to make sure that this index is updated if such
- // an event occurs.
- assert(DIC->getNumOperands() >= 11 &&
- GVs == DIC->getOperand(10) &&
- "DICompileUnits is expected to store Global Variables in operand "
- "10.");
- DIC->replaceOperandWith(10, MDNode::get(C, LiveGlobalVariables));
+ DIC->replaceGlobalVariables(MDTuple::get(C, LiveGlobalVariables));
Changed = true;
}
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