maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Add an interface to attach debugging information with an instruction. 

llvm-svn: 82062
This commit is contained in:
Devang Patel 2009-09-16 18:16:11 +00:00
parent cceedbff27
commit 13fb91e900
1 changed files with 24 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
llvm/include/llvm/Support/IRBuilder.h
View File

@ -20,6 +20,7 @@
#include "llvm/GlobalAlias.h" #include "llvm/GlobalAlias.h"
#include "llvm/GlobalVariable.h" #include "llvm/GlobalVariable.h"
#include "llvm/Function.h" #include "llvm/Function.h"
#include "llvm/Metadata.h"
#include "llvm/LLVMContext.h" #include "llvm/LLVMContext.h"
#include "llvm/ADT/Twine.h" #include "llvm/ADT/Twine.h"
#include "llvm/Support/ConstantFolder.h" #include "llvm/Support/ConstantFolder.h"
@ -60,35 +61,38 @@ template<bool preserveNames = true, typename T = ConstantFolder,
class IRBuilder : public Inserter { class IRBuilder : public Inserter {
BasicBlock *BB; BasicBlock *BB;
BasicBlock::iterator InsertPt; BasicBlock::iterator InsertPt;
MDKindID MDKind;
MDNode *CurLocation;
LLVMContext &Context; LLVMContext &Context;
T Folder; T Folder;
public: public:
IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter()) IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter())
: Inserter(I), Context(C), Folder(F) { : Inserter(I), MDKind(0), CurLocation(0), Context(C), Folder(F) {
ClearInsertionPoint(); ClearInsertionPoint();
} }
explicit IRBuilder(LLVMContext &C) : Context(C), Folder(C) { explicit IRBuilder(LLVMContext &C)
: MDKind(0), CurLocation(0), Context(C), Folder(C) {
ClearInsertionPoint(); ClearInsertionPoint();
} }
explicit IRBuilder(BasicBlock *TheBB, const T &F) explicit IRBuilder(BasicBlock *TheBB, const T &F)
: Context(TheBB->getContext()), Folder(F) { : MDKind(0), CurLocation(0), Context(TheBB->getContext()), Folder(F) {
SetInsertPoint(TheBB); SetInsertPoint(TheBB);
} }
explicit IRBuilder(BasicBlock *TheBB) explicit IRBuilder(BasicBlock *TheBB)
: Context(TheBB->getContext()), Folder(Context) { : MDKind(0), CurLocation(0), Context(TheBB->getContext()), Folder(Context) {
SetInsertPoint(TheBB); SetInsertPoint(TheBB);
} }
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F) IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F)
: Context(TheBB->getContext()), Folder(F) { : MDKind(0), CurLocation(0), Context(TheBB->getContext()), Folder(F) {
SetInsertPoint(TheBB, IP); SetInsertPoint(TheBB, IP);
} }
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP) IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP)
: Context(TheBB->getContext()), Folder(Context) { : MDKind(0), CurLocation(0), Context(TheBB->getContext()), Folder(Context) {
SetInsertPoint(TheBB, IP); SetInsertPoint(TheBB, IP);
} }
@ -127,10 +131,24 @@ public:
InsertPt = IP; InsertPt = IP;
} }
/// SetCurrentLocation - This specifies the location information used
/// by debugging information.
void SetCurrentLocation(MDNode *L) {
if (MDKind == 0) {
Context.getMetadata().RegisterMDKind("dbg");
MDKind = Context.getMetadata().getMDKind("dbg");
}
CurLocation = L;
}
MDNode *getCurrentLocation() const { return CurLocation; }
/// Insert - Insert and return the specified instruction. /// Insert - Insert and return the specified instruction.
template<typename InstTy> template<typename InstTy>
InstTy *Insert(InstTy *I, const Twine &Name = "") const { InstTy *Insert(InstTy *I, const Twine &Name = "") const {
this->InsertHelper(I, Name, BB, InsertPt); this->InsertHelper(I, Name, BB, InsertPt);
if (CurLocation)
Context.getMetadata().setMD(MDKind, CurLocation, I);
return I; return I;
} }