#include "llvm/IntrinsicInst.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Support/CFG.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/Transforms/Utils/ValueMapper.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/DebugInfo.h"
DenseMap<const Value*, Value*> &ValueMap,
const char *NameSuffix, Function *F,
ClonedCodeInfo *CodeInfo) {
- BasicBlock *NewBB = BasicBlock::Create("", F);
+ BasicBlock *NewBB = BasicBlock::Create(BB->getContext(), "", F);
if (BB->hasName()) NewBB->setName(BB->getName()+NameSuffix);
bool hasCalls = false, hasDynamicAllocas = false, hasStaticAllocas = false;
//
void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
DenseMap<const Value*, Value*> &ValueMap,
- std::vector<ReturnInst*> &Returns,
+ SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix, ClonedCodeInfo *CodeInfo) {
assert(NameSuffix && "NameSuffix cannot be null!");
ValueMap[I] = DestI++; // Add mapping to ValueMap
}
- std::vector<ReturnInst*> Returns; // Ignore returns cloned...
+ SmallVector<ReturnInst*, 8> Returns; // Ignore returns cloned.
CloneFunctionInto(NewF, F, ValueMap, Returns, "", CodeInfo);
return NewF;
}
namespace {
/// PruningFunctionCloner - This class is a private class used to implement
/// the CloneAndPruneFunctionInto method.
- struct VISIBILITY_HIDDEN PruningFunctionCloner {
+ struct PruningFunctionCloner {
Function *NewFunc;
const Function *OldFunc;
DenseMap<const Value*, Value*> &ValueMap;
- std::vector<ReturnInst*> &Returns;
+ SmallVectorImpl<ReturnInst*> &Returns;
const char *NameSuffix;
ClonedCodeInfo *CodeInfo;
const TargetData *TD;
public:
PruningFunctionCloner(Function *newFunc, const Function *oldFunc,
DenseMap<const Value*, Value*> &valueMap,
- std::vector<ReturnInst*> &returns,
+ SmallVectorImpl<ReturnInst*> &returns,
const char *nameSuffix,
ClonedCodeInfo *codeInfo,
const TargetData *td)
// Nope, clone it now.
BasicBlock *NewBB;
- BBEntry = NewBB = BasicBlock::Create();
+ BBEntry = NewBB = BasicBlock::Create(BB->getContext());
if (BB->hasName()) NewBB->setName(BB->getName()+NameSuffix);
bool hasCalls = false, hasDynamicAllocas = false, hasStaticAllocas = false;
// Do not clone llvm.dbg.region.end. It will be adjusted by the inliner.
if (const DbgFuncStartInst *DFSI = dyn_cast<DbgFuncStartInst>(II)) {
if (DbgFnStart == NULL) {
- DISubprogram SP(cast<GlobalVariable>(DFSI->getSubprogram()));
+ DISubprogram SP(DFSI->getSubprogram());
if (SP.describes(BB->getParent()))
DbgFnStart = DFSI->getSubprogram();
}
return 0; // All operands not constant!
if (const CmpInst *CI = dyn_cast<CmpInst>(I))
- return ConstantFoldCompareInstOperands(CI->getPredicate(),
- &Ops[0], Ops.size(), TD);
+ return ConstantFoldCompareInstOperands(CI->getPredicate(), Ops[0], Ops[1],
+ TD);
if (const LoadInst *LI = dyn_cast<LoadInst>(I))
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ops[0]))
Ops.size(), TD);
}
+static MDNode *UpdateInlinedAtInfo(MDNode *InsnMD, MDNode *TheCallMD,
+ LLVMContext &Context) {
+ DILocation ILoc(InsnMD);
+ if (ILoc.isNull()) return InsnMD;
+
+ DILocation CallLoc(TheCallMD);
+ if (CallLoc.isNull()) return InsnMD;
+
+ DILocation OrigLocation = ILoc.getOrigLocation();
+ MDNode *NewLoc = TheCallMD;
+ if (!OrigLocation.isNull())
+ NewLoc = UpdateInlinedAtInfo(OrigLocation.getNode(), TheCallMD, Context);
+
+ SmallVector<Value *, 4> MDVs;
+ MDVs.push_back(InsnMD->getElement(0)); // Line
+ MDVs.push_back(InsnMD->getElement(1)); // Col
+ MDVs.push_back(InsnMD->getElement(2)); // Scope
+ MDVs.push_back(NewLoc);
+ return MDNode::get(Context, MDVs.data(), MDVs.size());
+}
+
/// CloneAndPruneFunctionInto - This works exactly like CloneFunctionInto,
/// except that it does some simple constant prop and DCE on the fly. The
/// effect of this is to copy significantly less code in cases where (for
/// used for things like CloneFunction or CloneModule.
void llvm::CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
DenseMap<const Value*, Value*> &ValueMap,
- std::vector<ReturnInst*> &Returns,
+ SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix,
ClonedCodeInfo *CodeInfo,
- const TargetData *TD) {
+ const TargetData *TD,
+ Instruction *TheCall) {
assert(NameSuffix && "NameSuffix cannot be null!");
#ifndef NDEBUG
// insert it into the new function in the right order. If not, ignore it.
//
// Defer PHI resolution until rest of function is resolved.
- std::vector<const PHINode*> PHIToResolve;
+ SmallVector<const PHINode*, 16> PHIToResolve;
for (Function::const_iterator BI = OldFunc->begin(), BE = OldFunc->end();
BI != BE; ++BI) {
BasicBlock *NewBB = cast_or_null<BasicBlock>(ValueMap[BI]);
// references as we go. This uses ValueMap to do all the hard work.
//
BasicBlock::iterator I = NewBB->begin();
+
+ LLVMContext &Context = OldFunc->getContext();
+ unsigned DbgKind = Context.getMetadata().getMDKind("dbg");
+ MDNode *TheCallMD = NULL;
+ SmallVector<Value *, 4> MDVs;
+ if (TheCall && TheCall->hasMetadata())
+ TheCallMD = Context.getMetadata().getMD(DbgKind, TheCall);
// Handle PHI nodes specially, as we have to remove references to dead
// blocks.
if (PHINode *PN = dyn_cast<PHINode>(I)) {
// Skip over all PHI nodes, remembering them for later.
BasicBlock::const_iterator OldI = BI->begin();
- for (; (PN = dyn_cast<PHINode>(I)); ++I, ++OldI)
+ for (; (PN = dyn_cast<PHINode>(I)); ++I, ++OldI) {
+ if (I->hasMetadata()) {
+ if (TheCallMD) {
+ if (MDNode *IMD = Context.getMetadata().getMD(DbgKind, I)) {
+ MDNode *NewMD = UpdateInlinedAtInfo(IMD, TheCallMD, Context);
+ Context.getMetadata().addMD(DbgKind, NewMD, I);
+ }
+ } else {
+ // The cloned instruction has dbg info but the call instruction
+ // does not have dbg info. Remove dbg info from cloned instruction.
+ Context.getMetadata().removeMD(DbgKind, I);
+ }
+ }
PHIToResolve.push_back(cast<PHINode>(OldI));
+ }
}
// Otherwise, remap the rest of the instructions normally.
- for (; I != NewBB->end(); ++I)
+ for (; I != NewBB->end(); ++I) {
+ if (I->hasMetadata()) {
+ if (TheCallMD) {
+ if (MDNode *IMD = Context.getMetadata().getMD(DbgKind, I)) {
+ MDNode *NewMD = UpdateInlinedAtInfo(IMD, TheCallMD, Context);
+ Context.getMetadata().addMD(DbgKind, NewMD, I);
+ }
+ } else {
+ // The cloned instruction has dbg info but the call instruction
+ // does not have dbg info. Remove dbg info from cloned instruction.
+ Context.getMetadata().removeMD(DbgKind, I);
+ }
+ }
RemapInstruction(I, ValueMap);
+ }
}
// Defer PHI resolution until rest of function is resolved, PHI resolution
for (unsigned pred = 0, e = NumPreds; pred != e; ++pred) {
if (BasicBlock *MappedBlock =
cast_or_null<BasicBlock>(ValueMap[PN->getIncomingBlock(pred)])) {
- Value *InVal = MapValue(PN->getIncomingValue(pred), ValueMap);
+ Value *InVal = MapValue(PN->getIncomingValue(pred),
+ ValueMap);
assert(InVal && "Unknown input value?");
PN->setIncomingValue(pred, InVal);
PN->setIncomingBlock(pred, MappedBlock);
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