Skip to content

Handle null pointer #3

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
SHREYASINGH29 wants to merge 2 commits into
base: lfcpaInstModel_3June2021
Choose a base branch
from
Open

Handle null pointer #3

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ea38e42
Handle null pointer
SHREYASINGH29 Jun 24, 2021
754ace8
Declare null pointer check
SHREYASINGH29 Jun 24, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions include/Token/Token.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/IR/Constants.h"

namespace spatial {

Expand Down Expand Up @@ -68,6 +69,7 @@ class Token {
bool isValPointerType() const;
std::string getHash() const;
bool isPointerType() const;
bool isNullPointer() const;

bool operator<(const Token &TheToken) const;
bool operator==(const Token &TheToken) const;
Expand Down
9 changes: 9 additions & 0 deletions lib/Token/Token.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@ void Token::set(llvm::Value *Val, unsigned int Kind, std::string Index,
this->IsGlobal = Global;
if (!Func)
this->IsGlobal = true;
if(llvm::isa<llvm::ConstantPointerNull>(Val))
this->name = "NULL";
}

void Token::set(llvm::Type *Ty, unsigned int Kind, std::string Index) {
Expand Down Expand Up @@ -161,6 +163,8 @@ std::ostream &operator<<(std::ostream &OS, const Token &A) {
/// function etc
llvm::StringRef Token::getName() const {
if (this->Kind == 0) {
if(this->name != "")
return this->name;
return this->Val->getName();
} else if (this->Kind == 2) {
return this->Arg->getName();
Expand Down Expand Up @@ -234,6 +238,11 @@ bool Token::isValPointerType() const {
return false;
}

/// isNullPointer - Return true if token is a nullptr
bool Token::isNullPointer() const {
return this->name == "NULL";
}

/// getHash - Calculates the hash for alias to avoid multiple enteries of same
/// alias
std::string Token::getHash() const {
Expand Down