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- Remove a use of std::vector.

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- Make sure that we're not recalculating the size of a vector
  that never changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52803 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-06-27 00:56:36 +00:00
parent 305635abea
commit e6b6bae536
3 changed files with 49 additions and 35 deletions
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46
include/llvm/CodeGen/MachineDebugInfoDesc.h
View File

@ -407,10 +407,10 @@ public:
SubrangeDesc();
// Accessors
int64_t getLo() const { return Lo; }
int64_t getHi() const { return Hi; }
void setLo(int64_t L) { Lo = L; }
void setHi(int64_t H) { Hi = H; }
int64_t getLo() const { return Lo; }
int64_t getHi() const { return Hi; }
void setLo(int64_t L) { Lo = L; }
void setHi(int64_t H) { Hi = H; }
/// ApplyToFields - Target the visitor to the fields of the SubrangeDesc.
///
@ -552,32 +552,34 @@ protected:
explicit GlobalDesc(unsigned T);
public:
// Accessors
DebugInfoDesc *getContext() const { return Context; }
const std::string &getName() const { return Name; }
const std::string &getFullName() const { return FullName; }
const std::string &getLinkageName() const { return LinkageName; }
DebugInfoDesc *getContext() const { return Context; }
const std::string &getName() const { return Name; }
const std::string &getFullName() const { return FullName; }
const std::string &getLinkageName() const { return LinkageName; }
CompileUnitDesc *getFile() const {
return static_cast<CompileUnitDesc *>(File);
}
unsigned getLine() const { return Line; }
unsigned getLine() const { return Line; }
TypeDesc *getType() const {
return static_cast<TypeDesc *>(TyDesc);
}
bool isStatic() const { return IsStatic; }
bool isDefinition() const { return IsDefinition; }
void setContext(DebugInfoDesc *C) { Context = C; }
void setName(const std::string &N) { Name = N; }
void setFullName(const std::string &N) { FullName = N; }
void setLinkageName(const std::string &N) { LinkageName = N; }
bool isStatic() const { return IsStatic; }
bool isDefinition() const { return IsDefinition; }
void setContext(DebugInfoDesc *C) { Context = C; }
void setName(const std::string &N) { Name = N; }
void setFullName(const std::string &N) { FullName = N; }
void setLinkageName(const std::string &N) { LinkageName = N; }
void setFile(CompileUnitDesc *U) {
File = static_cast<DebugInfoDesc *>(U);
}
void setLine(unsigned L) { Line = L; }
void setLine(unsigned L) { Line = L; }
void setType(TypeDesc *T) {
TyDesc = static_cast<DebugInfoDesc *>(T);
}
void setIsStatic(bool IS) { IsStatic = IS; }
void setIsDefinition(bool ID) { IsDefinition = ID; }
void setIsStatic(bool IS) { IsStatic = IS; }
void setIsDefinition(bool ID) { IsDefinition = ID; }
/// ApplyToFields - Target the visitor to the fields of the GlobalDesc.
///
@ -593,8 +595,8 @@ public:
GlobalVariableDesc();
// Accessors.
GlobalVariable *getGlobalVariable() const { return Global; }
void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
GlobalVariable *getGlobalVariable() const { return Global; }
void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
/// ApplyToFields - Target the visitor to the fields of the
/// GlobalVariableDesc.
@ -673,8 +675,8 @@ public:
BlockDesc();
// Accessors
DebugInfoDesc *getContext() const { return Context; }
void setContext(DebugInfoDesc *C) { Context = C; }
DebugInfoDesc *getContext() const { return Context; }
void setContext(DebugInfoDesc *C) { Context = C; }
/// ApplyToFields - Target the visitor to the fields of the BlockDesc.
///

2
include/llvm/CodeGen/MachineModuleInfo.h
View File

@ -591,7 +591,7 @@ public:
/// getFilterIDFor - Return the id of the filter encoded by TyIds. This is
/// function wide.
int getFilterIDFor(std::vector<unsigned> &TyIds);
int getFilterIDFor(SmallVectorImpl<unsigned> &TyIds);
/// TidyLandingPads - Remap landing pad labels and remove any deleted landing
/// pads.

36
lib/CodeGen/MachineModuleInfo.cpp
View File

@ -513,8 +513,8 @@ const PointerType *DISerializer::getEmptyStructPtrType() {
// If not already defined.
if (!EmptyStructPtrTy) {
// Construct the empty structure type.
const StructType *EmptyStructTy =
StructType::get(std::vector<const Type*>());
const StructType *EmptyStructTy = StructType::get(NULL, NULL);
// Construct the pointer to empty structure type.
EmptyStructPtrTy = PointerType::getUnqual(EmptyStructTy);
}
@ -532,6 +532,7 @@ const StructType *DISerializer::getTagType(DebugInfoDesc *DD) {
if (!Ty) {
// Set up fields vector.
std::vector<const Type*> Fields;
// Get types of fields.
DIGetTypesVisitor GTAM(*this, Fields);
GTAM.ApplyToFields(DD);
@ -551,22 +552,27 @@ const StructType *DISerializer::getTagType(DebugInfoDesc *DD) {
Constant *DISerializer::getString(const std::string &String) {
// Check string cache for previous edition.
Constant *&Slot = StringCache[String];
// Return Constant if previously defined.
if (Slot) return Slot;
// If empty string then use a sbyte* null instead.
if (String.empty()) {
Slot = ConstantPointerNull::get(getStrPtrType());
} else {
// Construct string as an llvm constant.
Constant *ConstStr = ConstantArray::get(String);
// Otherwise create and return a new string global.
GlobalVariable *StrGV = new GlobalVariable(ConstStr->getType(), true,
GlobalVariable::InternalLinkage,
ConstStr, ".str", M);
StrGV->setSection("llvm.metadata");
// Convert to generic string pointer.
Slot = ConstantExpr::getBitCast(StrGV, getStrPtrType());
}
return Slot;
}
@ -593,6 +599,7 @@ GlobalVariable *DISerializer::Serialize(DebugInfoDesc *DD) {
// Set up elements vector
std::vector<Constant*> Elements;
// Add fields.
DISerializeVisitor SRAM(*this, Elements);
SRAM.ApplyToFields(DD);
@ -996,9 +1003,11 @@ void MachineModuleInfo::addCatchTypeInfo(MachineBasicBlock *LandingPad,
void MachineModuleInfo::addFilterTypeInfo(MachineBasicBlock *LandingPad,
std::vector<GlobalVariable *> &TyInfo) {
LandingPadInfo &LP = getOrCreateLandingPadInfo(LandingPad);
std::vector<unsigned> IdsInFilter (TyInfo.size());
SmallVector<unsigned, 32> IdsInFilter(TyInfo.size());
for (unsigned I = 0, E = TyInfo.size(); I != E; ++I)
IdsInFilter[I] = getTypeIDFor(TyInfo[I]);
LP.TypeIds.push_back(getFilterIDFor(IdsInFilter));
}
@ -1066,13 +1075,14 @@ unsigned MachineModuleInfo::getTypeIDFor(GlobalVariable *TI) {
/// getFilterIDFor - Return the filter id for the specified typeinfos. This is
/// function wide.
int MachineModuleInfo::getFilterIDFor(std::vector<unsigned> &TyIds) {
int MachineModuleInfo::getFilterIDFor(SmallVectorImpl<unsigned> &TyIds) {
// If the new filter coincides with the tail of an existing filter, then
// re-use the existing filter. Folding filters more than this requires
// re-ordering filters and/or their elements - probably not worth it.
unsigned TyIDSize = TyIds.size();
for (std::vector<unsigned>::iterator I = FilterEnds.begin(),
E = FilterEnds.end(); I != E; ++I) {
unsigned i = *I, j = TyIds.size();
unsigned i = *I, j = TyIDSize;
while (i && j)
if (FilterIds[--i] != TyIds[--j])
@ -1081,16 +1091,18 @@ int MachineModuleInfo::getFilterIDFor(std::vector<unsigned> &TyIds) {
if (!j)
// The new filter coincides with range [i, end) of the existing filter.
return -(1 + i);
try_next:;
}
// Add the new filter.
int FilterID = -(1 + FilterIds.size());
FilterIds.reserve(FilterIds.size() + TyIds.size() + 1);
for (unsigned I = 0, N = TyIds.size(); I != N; ++I)
unsigned FilterIDSize = FilterIds.size();
int FilterID = -(1 + FilterIDSize);
FilterIds.reserve(FilterIDSize + TyIDSize + 1);
for (unsigned I = 0, N = TyIDSize; I != N; ++I)
FilterIds.push_back(TyIds[I]);
FilterEnds.push_back(FilterIds.size());
FilterEnds.push_back(FilterIDSize);
FilterIds.push_back(0); // terminator
return FilterID;
}
@ -1108,13 +1120,13 @@ unsigned MachineModuleInfo::getPersonalityIndex() const {
const Function* Personality = NULL;
// Scan landing pads. If there is at least one non-NULL personality - use it.
for (unsigned i = 0; i != LandingPads.size(); ++i)
for (unsigned i = 0, e = LandingPads.size(); i != e; ++i)
if (LandingPads[i].Personality) {
Personality = LandingPads[i].Personality;
break;
}
for (unsigned i = 0; i < Personalities.size(); ++i) {
for (unsigned i = 0, e = Personalities.size(); i < e; ++i) {
if (Personalities[i] == Personality)
return i;
}