/
Transform.cpp
2705 lines (2573 loc) · 120 KB
/
Transform.cpp
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#include <clang/Tooling/Tooling.h>
#include <clang/Sema/SemaConsumer.h>
#include <clang/Sema/Scope.h>
#include <clang/Lex/HeaderSearch.h>
#include <clang/Lex/Preprocessor.h>
#include <clang/AST/Stmt.h>
#include <clang/AST/ASTContext.h>
#include <clang/AST/Decl.h>
#include <clang/AST/RecursiveASTVisitor.h>
#include <clang/Frontend/FrontendAction.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Tooling/CommonOptionsParser.h>
#include <llvm/Option/OptTable.h>
#include <llvm/Option/ArgList.h>
#include <llvm/Option/Arg.h>
#include <clang/Driver/Options.h>
#include <llvm/Support/raw_ostream.h>
#include <llvm/Support/Path.h>
#include <llvm/Support/FileSystem.h>
#include <string>
#include <cctype>
#include <memory>
#include "../../lib/Sema/TreeTransform.h"
#include <clang/AST/PrettyPrinter.h>
using namespace clang;
using namespace clang::tooling;
using llvm::APInt;
namespace {
struct is_ident_char {
typedef bool result_type;
typedef char argument_type;
bool operator()(char arg) const {
return std::isalnum(arg) || arg == '_';
}
};
std::string get_file_id(const std::string& filename) {
uint32_t seed = 0;
for(std::string::const_iterator iter = filename.begin(), end = filename.end(); iter != end; ++iter) {
seed ^= uint32_t(*iter) + 0x9e3779b9 + (seed<<6) + (seed>>2);
}
std::string as_identifier(llvm::sys::path::stem(filename));
std::replace_if(as_identifier.begin(), as_identifier.end(), std::not1(is_ident_char()), '_');
return (as_identifier + "_" + llvm::Twine(seed)).str();
}
/* Copied from DeclPrinter.cpp */
static QualType GetBaseType(QualType T) {
// FIXME: This should be on the Type class!
QualType BaseType = T;
while (!BaseType->isSpecifierType()) {
if (isa<TypedefType>(BaseType))
break;
else if (const PointerType* PTy = BaseType->getAs<PointerType>())
BaseType = PTy->getPointeeType();
else if (const BlockPointerType *BPy = BaseType->getAs<BlockPointerType>())
BaseType = BPy->getPointeeType();
else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
BaseType = ATy->getElementType();
else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
BaseType = FTy->getReturnType();
else if (const VectorType *VTy = BaseType->getAs<VectorType>())
BaseType = VTy->getElementType();
else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
BaseType = RTy->getPointeeType();
else
llvm_unreachable("Unknown declarator!");
}
return BaseType;
}
static QualType getDeclType(Decl* D) {
if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
return TDD->getUnderlyingType();
if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
return VD->getType();
return QualType();
}
typedef enum {
CFNK_PSHARED = 0,
CFNK_PSHARED_STRICT,
CFNK_SHARED,
CFNK_SHARED_STRICT
} UPCRCommGroupKind;
struct UPCRCommFn {
private:
FunctionDecl* Decls[4];
public:
UPCRCommFn() : Decls() {}
FunctionDecl*& operator[](int idx) {
return Decls[idx];
}
FunctionDecl*& operator()(bool Phaseless, bool Strict = false) {
return Decls[Phaseless? (Strict? CFNK_PSHARED_STRICT : CFNK_PSHARED)
: (Strict? CFNK_SHARED_STRICT : CFNK_SHARED)];
}
};
struct UPCRDecls {
FunctionDecl * upcr_notify;
FunctionDecl * upcr_wait;
FunctionDecl * upcr_barrier;
FunctionDecl * upcr_poll;
FunctionDecl * upcr_mythread;
FunctionDecl * upcr_threads;
FunctionDecl * upcr_hasMyAffinity_pshared;
FunctionDecl * upcr_hasMyAffinity_shared;
FunctionDecl * UPCR_BEGIN_FUNCTION;
FunctionDecl * UPCR_EXIT_FUNCTION;
FunctionDecl * UPCRT_STARTUP_PSHALLOC;
FunctionDecl * UPCRT_STARTUP_SHALLOC;
FunctionDecl * upcr_startup_pshalloc;
FunctionDecl * upcr_startup_shalloc;
FunctionDecl * UPCR_TLD_ADDR;
FunctionDecl * UPCR_ADD_SHARED;
FunctionDecl * UPCR_ADD_PSHAREDI;
FunctionDecl * UPCR_ADD_PSHARED1;
FunctionDecl * UPCR_INC_SHARED;
FunctionDecl * UPCR_INC_PSHAREDI;
FunctionDecl * UPCR_INC_PSHARED1;
FunctionDecl * UPCR_SUB_SHARED;
FunctionDecl * UPCR_SUB_PSHAREDI;
FunctionDecl * UPCR_SUB_PSHARED1;
FunctionDecl * UPCR_ISEQUAL_SHARED_SHARED;
FunctionDecl * UPCR_ISEQUAL_SHARED_PSHARED;
FunctionDecl * UPCR_ISEQUAL_PSHARED_SHARED;
FunctionDecl * UPCR_ISEQUAL_PSHARED_PSHARED;
FunctionDecl * UPCR_PSHARED_TO_LOCAL;
FunctionDecl * UPCR_SHARED_TO_LOCAL;
FunctionDecl * UPCR_ISNULL_PSHARED;
FunctionDecl * UPCR_ISNULL_SHARED;
FunctionDecl * UPCR_SHARED_TO_PSHARED;
FunctionDecl * UPCR_PSHARED_TO_SHARED;
FunctionDecl * UPCR_SHARED_RESETPHASE;
FunctionDecl * UPCR_ADDRFIELD_SHARED;
FunctionDecl * UPCR_ADDRFIELD_PSHARED;
UPCRCommFn UPCR_GET;
UPCRCommFn UPCR_GET_IVAL;
UPCRCommFn UPCR_GET_FVAL;
UPCRCommFn UPCR_GET_DVAL;
UPCRCommFn UPCR_PUT;
UPCRCommFn UPCR_PUT_IVAL;
UPCRCommFn UPCR_PUT_FVAL;
UPCRCommFn UPCR_PUT_DVAL;
VarDecl * upcrt_forall_control;
VarDecl * upcr_null_shared;
VarDecl * upcr_null_pshared;
QualType upcr_shared_ptr_t;
QualType upcr_pshared_ptr_t;
QualType upcr_startup_shalloc_t;
QualType upcr_startup_pshalloc_t;
QualType upcr_register_value_t;
SourceLocation FakeLocation;
explicit UPCRDecls(ASTContext& Context) {
SourceManager& SourceMgr = Context.getSourceManager();
FakeLocation = SourceMgr.getLocForStartOfFile(SourceMgr.getMainFileID());
// types
// Make sure that the size and alignment are correct.
QualType SharedPtrTy = Context.getPointerType(Context.getSharedType(Context.VoidTy));
upcr_shared_ptr_t = CreateTypedefType(Context, "upcr_shared_ptr_t", SharedPtrTy);
upcr_pshared_ptr_t = CreateTypedefType(Context, "upcr_pshared_ptr_t", SharedPtrTy);
upcr_startup_shalloc_t = CreateTypedefType(Context, "upcr_startup_shalloc_t");
upcr_startup_pshalloc_t = CreateTypedefType(Context, "upcr_startup_pshalloc_t");
// FIXME: This is a fair assumption, but should really get true type
upcr_register_value_t = CreateTypedefType(Context, "upcr_register_value_t", Context.getUIntPtrType());
// upcr_notify
{
QualType argTypes[] = { Context.IntTy, Context.IntTy };
upcr_notify = CreateFunction(Context, "upcr_notify", Context.VoidTy, argTypes, 2);
}
// upcr_wait
{
QualType argTypes[] = { Context.IntTy, Context.IntTy };
upcr_wait = CreateFunction(Context, "upcr_wait", Context.VoidTy, argTypes, 2);
}
// upcr_barrier
{
QualType argTypes[] = { Context.IntTy, Context.IntTy };
upcr_barrier = CreateFunction(Context, "upcr_barrier", Context.VoidTy, argTypes, 2);
}
// upcr_poll
{
upcr_poll = CreateFunction(Context, "upcr_poll", Context.VoidTy, 0, 0);
}
// upcr_mythread
{
upcr_mythread = CreateFunction(Context, "upcr_mythread", Context.IntTy, 0, 0);
}
// upcr_threads
{
upcr_threads = CreateFunction(Context, "upcr_threads", Context.IntTy, 0, 0);
}
// upcr_hasMyAffinity_pshared
{
QualType argTypes[] = { upcr_pshared_ptr_t };
upcr_hasMyAffinity_pshared = CreateFunction(Context, "upcr_hasMyAffinity_pshared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// upcr_hasMyAffinity_shared
{
QualType argTypes[] = { upcr_shared_ptr_t };
upcr_hasMyAffinity_shared = CreateFunction(Context, "upcr_hasMyAffinity_shared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ADD_SHARED
{
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.IntTy, Context.IntTy };
UPCR_ADD_SHARED = CreateFunction(Context, "upcr_add_shared", upcr_shared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ADD_PSHAREDI
{
QualType argTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_ADD_PSHAREDI = CreateFunction(Context, "upcr_add_psharedI", upcr_pshared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ADD_PSHARED1
{
QualType argTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_ADD_PSHARED1 = CreateFunction(Context, "upcr_add_pshared1", upcr_pshared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_INC_SHARED
{
QualType argTypes[] = { Context.getPointerType(upcr_shared_ptr_t), Context.IntTy, Context.IntTy, Context.IntTy };
UPCR_INC_SHARED = CreateFunction(Context, "upcr_inc_shared", Context.VoidTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_INC_PSHAREDI
{
QualType argTypes[] = { Context.getPointerType(upcr_pshared_ptr_t), Context.IntTy, Context.IntTy };
UPCR_INC_PSHAREDI = CreateFunction(Context, "upcr_inc_psharedI", Context.VoidTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_INC_PSHARED1
{
QualType argTypes[] = { Context.getPointerType(upcr_pshared_ptr_t), Context.IntTy, Context.IntTy };
UPCR_INC_PSHARED1 = CreateFunction(Context, "upcr_inc_pshared1", Context.VoidTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SUB_SHARED
{
QualType argTypes[] = { upcr_shared_ptr_t, upcr_shared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_SUB_SHARED = CreateFunction(Context, "upcr_sub_shared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SUB_PSHAREDI
{
QualType argTypes[] = { upcr_pshared_ptr_t, upcr_pshared_ptr_t, Context.IntTy };
UPCR_SUB_PSHAREDI = CreateFunction(Context, "upcr_sub_psharedI", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SUB_PSHARED1
{
QualType argTypes[] = { upcr_pshared_ptr_t, upcr_pshared_ptr_t, Context.IntTy };
UPCR_SUB_PSHARED1 = CreateFunction(Context, "upcr_sub_pshared1", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISEQUAL_SHARED_SHARED
{
QualType argTypes[] = { upcr_shared_ptr_t, upcr_shared_ptr_t };
UPCR_ISEQUAL_SHARED_SHARED = CreateFunction(Context, "upcr_isequal_shared_shared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISEQUAL_SHARED_PSHARED
{
QualType argTypes[] = { upcr_shared_ptr_t, upcr_pshared_ptr_t };
UPCR_ISEQUAL_SHARED_PSHARED = CreateFunction(Context, "upcr_isequal_shared_pshared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISEQUAL_PSHARED_SHARED
{
QualType argTypes[] = { upcr_pshared_ptr_t, upcr_shared_ptr_t };
UPCR_ISEQUAL_PSHARED_SHARED = CreateFunction(Context, "upcr_isequal_pshared_shared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISEQUAL_PSHARED_PSHARED
{
QualType argTypes[] = { upcr_pshared_ptr_t, upcr_pshared_ptr_t };
UPCR_ISEQUAL_PSHARED_PSHARED = CreateFunction(Context, "upcr_isequal_pshared_pshared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SHARED_TO_LOCAL
{
QualType argTypes[] = { upcr_shared_ptr_t };
UPCR_SHARED_TO_LOCAL = CreateFunction(Context, "upcr_shared_to_local", Context.VoidPtrTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_PSHARED_TO_LOCAL
{
QualType argTypes[] = { upcr_pshared_ptr_t };
UPCR_PSHARED_TO_LOCAL = CreateFunction(Context, "upcr_pshared_to_local", Context.VoidPtrTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISNULL_SHARED
{
QualType argTypes[] = { upcr_shared_ptr_t };
UPCR_ISNULL_SHARED = CreateFunction(Context, "upcr_isnull_shared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ISNULL_PSHARED
{
QualType argTypes[] = { upcr_pshared_ptr_t };
UPCR_ISNULL_PSHARED = CreateFunction(Context, "upcr_isnull_pshared", Context.IntTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SHARED_TO_PSHARED
{
QualType argTypes[] = { upcr_shared_ptr_t };
UPCR_SHARED_TO_PSHARED = CreateFunction(Context, "upcr_shared_to_pshared", upcr_pshared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_PSHARED_TO_SHARED
{
QualType argTypes[] = { upcr_pshared_ptr_t };
UPCR_PSHARED_TO_SHARED = CreateFunction(Context, "upcr_pshared_to_shared", upcr_shared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_SHARED_RESETPHASE
{
QualType argTypes[] = { upcr_shared_ptr_t };
UPCR_SHARED_RESETPHASE = CreateFunction(Context, "upcr_shared_resetphase", upcr_shared_ptr_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_ADDRFIELD_SHARED
{
QualType argTypes[] = { upcr_shared_ptr_t };
UPCR_ADDRFIELD_SHARED = CreateFunction(Context, "upcr_addrfield_shared", Context.getUIntPtrType(), argTypes, 1);
}
// UPCR_ADDRFIELD_PSHARED
{
QualType argTypes[] = { upcr_pshared_ptr_t };
UPCR_ADDRFIELD_PSHARED = CreateFunction(Context, "upcr_addrfield_pshared", Context.getUIntPtrType(), argTypes, 1);
}
// UPCR_BEGIN_FUNCTION
{
UPCR_BEGIN_FUNCTION = CreateFunction(Context, "UPCR_BEGIN_FUNCTION", Context.VoidTy, NULL, 0);
}
// UPCR_EXIT_FUNCTION
{
UPCR_EXIT_FUNCTION = CreateFunction(Context, "UPCR_EXIT_FUNCTION", Context.VoidTy, NULL, 0);
}
// UPCRT_STARTUP_PSHALLOC
{
QualType argTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.IntTy, Context.IntTy, Context.IntTy, Context. getPointerType(Context.getConstType(Context.CharTy)) };
UPCRT_STARTUP_PSHALLOC = CreateFunction(Context, "UPCRT_STARTUP_PSHALLOC", upcr_startup_pshalloc_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCRT_STARTUP_SHALLOC
{
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.IntTy, Context.IntTy, Context.IntTy, Context. getPointerType(Context.getConstType(Context.CharTy)) };
UPCRT_STARTUP_SHALLOC = CreateFunction(Context, "UPCRT_STARTUP_SHALLOC", upcr_startup_shalloc_t, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// upcr_startup_pshalloc
{
QualType argTypes[] = { Context.getPointerType(upcr_startup_pshalloc_t), Context.IntTy };
upcr_startup_pshalloc = CreateFunction(Context, "upcr_startup_pshalloc", Context.VoidTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// upcr_startup_shalloc
{
QualType argTypes[] = { Context.getPointerType(upcr_startup_shalloc_t), Context.IntTy };
upcr_startup_shalloc = CreateFunction(Context, "upcr_startup_shalloc", Context.VoidTy, argTypes, sizeof(argTypes)/sizeof(argTypes[0]));
}
// UPCR_TLD_ADDR
{
UPCR_TLD_ADDR = CreateFunction(Context, "UPCR_TLD_ADDR", Context.VoidPtrTy, NULL, 0, true/*variadic*/);
}
// UPCR_GET_{,P}SHARED{,_STRICT}
{
QualType pargTypes[] = { Context.VoidPtrTy, upcr_pshared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_GET[CFNK_PSHARED] = CreateFunction(Context, "upcr_get_pshared", Context.VoidTy, pargTypes, 4);
UPCR_GET[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_get_pshared_strict", Context.VoidTy, pargTypes, 4);
QualType argTypes[] = { Context.VoidPtrTy, upcr_shared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_GET[CFNK_SHARED] = CreateFunction(Context, "upcr_get_shared", Context.VoidTy, argTypes, 4);
UPCR_GET[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_get_shared_strict", Context.VoidTy, argTypes, 4);
}
// UPCR_GET_{,P}SHARED_IVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_GET_IVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_get_pshared_val", upcr_register_value_t, pargTypes, 3);
UPCR_GET_IVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_get_pshared_val_strict", upcr_register_value_t, pargTypes, 3);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.IntTy };
UPCR_GET_IVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_get_shared_val", upcr_register_value_t, argTypes, 3);
UPCR_GET_IVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_get_shared_val_strict", upcr_register_value_t, argTypes, 3);
}
// UPCR_GET_{,P}SHARED_FVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy };
UPCR_GET_FVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_get_pshared_floatval", Context.FloatTy, pargTypes, 2);
UPCR_GET_FVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_get_pshared_floatval_strict", Context.FloatTy, pargTypes, 2);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy };
UPCR_GET_FVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_get_shared_floatval", Context.FloatTy, argTypes, 2);
UPCR_GET_FVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_get_shared_floatval_strict", Context.FloatTy, argTypes, 2);
}
// UPCR_GET_{,P}SHARED_DVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy };
UPCR_GET_DVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_get_pshared_doubleval", Context.DoubleTy, pargTypes, 2);
UPCR_GET_DVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_get_pshared_doubleval_strict", Context.DoubleTy, pargTypes, 2);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy };
UPCR_GET_DVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_get_shared_doubleval", Context.DoubleTy, argTypes, 2);
UPCR_GET_DVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_get_shared_doubleval_strict", Context.DoubleTy, argTypes, 2);
}
// UPCR_PUT_{,P}SHARED{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.VoidPtrTy, Context.IntTy };
UPCR_PUT[CFNK_PSHARED] = CreateFunction(Context, "upcr_put_pshared", Context.VoidTy, pargTypes, 4);
UPCR_PUT[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_put_pshared_strict", Context.VoidTy, pargTypes, 4);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.VoidPtrTy, Context.IntTy };
UPCR_PUT[CFNK_SHARED] = CreateFunction(Context, "upcr_put_shared", Context.VoidTy, argTypes, 4);
UPCR_PUT[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_put_shared_strict", Context.VoidTy, argTypes, 4);
}
// UPCR_PUT_{,P}SHARED_IVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy, upcr_register_value_t, Context.IntTy };
UPCR_PUT_IVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_put_pshared_val", Context.VoidTy, pargTypes, 4);
UPCR_PUT_IVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_put_pshared_val_strict", Context.VoidTy, pargTypes, 4);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, upcr_register_value_t, Context.IntTy };
UPCR_PUT_IVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_put_shared_val", Context.VoidTy, argTypes, 4);
UPCR_PUT_IVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_put_shared_val_strict", Context.VoidTy, argTypes, 4);
}
// UPCR_PUT_{,P}SHARED_FVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.FloatTy };
UPCR_PUT_FVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_put_pshared_floatval", Context.VoidTy, pargTypes, 3);
UPCR_PUT_FVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_put_pshared_floatval_strict", Context.VoidTy, pargTypes, 3);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.FloatTy };
UPCR_PUT_FVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_put_shared_floatval", Context.VoidTy, argTypes, 3);
UPCR_PUT_FVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_put_shared_floatval_strict", Context.VoidTy, argTypes, 3);
}
// UPCR_PUT_{,P}SHARED_DVAL{,_STRICT}
{
QualType pargTypes[] = { upcr_pshared_ptr_t, Context.IntTy, Context.DoubleTy };
UPCR_PUT_DVAL[CFNK_PSHARED] = CreateFunction(Context, "upcr_put_pshared_doubleval", Context.VoidTy, pargTypes, 3);
UPCR_PUT_DVAL[CFNK_PSHARED_STRICT] = CreateFunction(Context, "upcr_put_pshared_doubleval_strict", Context.VoidTy, pargTypes, 3);
QualType argTypes[] = { upcr_shared_ptr_t, Context.IntTy, Context.DoubleTy };
UPCR_PUT_DVAL[CFNK_SHARED] = CreateFunction(Context, "upcr_put_shared_doubleval", Context.VoidTy, argTypes, 3);
UPCR_PUT_DVAL[CFNK_SHARED_STRICT] = CreateFunction(Context, "upcr_put_shared_doubleval_strict", Context.VoidTy, argTypes, 3);
}
// upcrt_forall_control
{
DeclContext *DC = Context.getTranslationUnitDecl();
upcrt_forall_control = VarDecl::Create(Context, DC, SourceLocation(), SourceLocation(), &Context.Idents.get("upcrt_forall_control"), Context.IntTy, Context.getTrivialTypeSourceInfo(Context.IntTy), SC_Extern);
}
// upcr_null_shared
{
DeclContext *DC = Context.getTranslationUnitDecl();
upcr_null_shared = VarDecl::Create(Context, DC, SourceLocation(), SourceLocation(), &Context.Idents.get("upcr_null_shared"), upcr_shared_ptr_t, Context.getTrivialTypeSourceInfo(upcr_shared_ptr_t), SC_Extern);
}
// upcr_null_pshared
{
DeclContext *DC = Context.getTranslationUnitDecl();
upcr_null_pshared = VarDecl::Create(Context, DC, SourceLocation(), SourceLocation(), &Context.Idents.get("upcr_null_pshared"), upcr_pshared_ptr_t, Context.getTrivialTypeSourceInfo(upcr_pshared_ptr_t), SC_Extern);
}
}
FunctionDecl *CreateFunction(ASTContext& Context, StringRef name, QualType RetType, QualType * argTypes, int numArgs, bool Variadic = false) {
DeclContext *DC = Context.getTranslationUnitDecl();
FunctionProtoType::ExtProtoInfo Info;
if(Variadic) {
Info.Variadic = true;
}
QualType Ty = Context.getFunctionType(RetType, llvm::makeArrayRef(argTypes, numArgs), Info);
FunctionDecl *Result = FunctionDecl::Create(Context, DC, FakeLocation, FakeLocation, DeclarationName(&Context.Idents.get(name)), Ty, Context.getTrivialTypeSourceInfo(Ty), SC_Extern);
llvm::SmallVector<ParmVarDecl *, 4> Params;
for(int i = 0; i < numArgs; ++i) {
Params.push_back(ParmVarDecl::Create(Context, Result, SourceLocation(), SourceLocation(), 0, argTypes[i], 0, SC_None, 0));
Params[i]->setScopeInfo(0, i);
}
Result->setParams(Params);
return Result;
}
QualType CreateTypedefType(ASTContext& Context, StringRef name) {
return CreateTypedefType(Context, name, Context.IntTy);
}
QualType CreateTypedefType(ASTContext& Context, StringRef name, QualType BaseTy) {
DeclContext *DC = Context.getTranslationUnitDecl();
TypedefDecl *Typedef = TypedefDecl::Create(Context, DC, SourceLocation(), SourceLocation(), &Context.Idents.get(name), Context.getTrivialTypeSourceInfo(BaseTy));
return Context.getTypedefType(Typedef);
}
};
class SubstituteType : public clang::TreeTransform<SubstituteType> {
typedef TreeTransform<SubstituteType> TreeTransformS;
public:
SubstituteType(Sema &S, QualType F, QualType T) : TreeTransformS(S), From(F), To(T) {}
QualType TransformType(TypeLocBuilder& TLB, TypeLoc Ty) {
if(SemaRef.Context.hasSameType(Ty.getType(), From)) {
Ty = SemaRef.Context.getTrivialTypeSourceInfo(To)->getTypeLoc();
}
return TreeTransformS::TransformType(TLB, Ty);
}
using TreeTransformS::TransformType;
private:
QualType From;
QualType To;
};
// This class checks for arrays and other constructs that require a typedef
// when used with UPCR_TLD_DEFINE.
class CheckForArray : public clang::RecursiveASTVisitor<CheckForArray> {
public:
CheckForArray() : Found(false) {}
bool VisitArrayType(ArrayType *) {
Found = true;
return false;
}
bool VisitFunctionType(FunctionType *) {
Found = true;
return false;
}
bool Found;
};
// The following expressions require dynamic initialization:
// &global (If global is shared, then the address is set
// dynamically, if it's local, then the address is thread
// specific.
class CheckForDynamicInitializer : public clang::RecursiveASTVisitor<CheckForDynamicInitializer> {
public:
CheckForDynamicInitializer() : Found(false) {}
bool VisitDeclRefExpr(DeclRefExpr *E) {
if(isa<VarDecl>(E->getDecl())) {
Found = true;
return false;
}
return true;
}
bool VisitExpr(Expr *E) {
if(E->getType()->hasPointerToSharedRepresentation()) {
Found = true;
return false;
}
return true;
}
bool Found;
};
// Determines whether a typedef can safely be moved to
// the global scope. Variable arrays cannot be, since
// they depend on local variables.
class CheckForLocalType : public clang::RecursiveASTVisitor<CheckForLocalType> {
public:
CheckForLocalType() : Found(false) {}
bool VisitVariableArrayType(VariableArrayType *) {
Found = true;
return false;
}
bool VisitUPCThreadArrayType(UPCThreadArrayType *) {
Found = true;
return false;
}
bool Found;
};
class RemoveUPCTransform : public clang::TreeTransform<RemoveUPCTransform> {
typedef TreeTransform<RemoveUPCTransform> TreeTransformUPC;
private:
bool haveOffsetOf;
bool haveVAArg;
public:
RemoveUPCTransform(Sema& S, UPCRDecls* D, const std::string& fileid)
: TreeTransformUPC(S), AnonRecordID(0), StaticLocalVarID(0),
Decls(D), FileString(fileid) {
haveOffsetOf = haveVAArg = false;
}
bool HaveOffsetOf() { return haveOffsetOf; }
ExprResult TransformOffsetOfExpr(OffsetOfExpr *E) {
haveOffsetOf = true;
return TreeTransformUPC::TransformOffsetOfExpr(E);
}
bool HaveVAArg() { return haveVAArg; }
ExprResult TransformVAArgExpr(VAArgExpr *E) {
haveVAArg = true;
return TreeTransformUPC::TransformVAArgExpr(E);
}
bool AlwaysRebuild() { return true; }
ExprResult BuildParens(Expr * E) {
return SemaRef.ActOnParenExpr(SourceLocation(), SourceLocation(), E);
}
ExprResult BuildComma(Expr * LHS, Expr * RHS) {
return SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Comma, LHS, RHS);
}
// TreeTransform ignores AlwayRebuild for literals
ExprResult TransformIntegerLiteral(IntegerLiteral *E) {
return IntegerLiteral::Create(SemaRef.Context, E->getValue(), E->getType(), E->getLocation());
}
ExprResult BuildUPCRCall(FunctionDecl *FD, std::vector<Expr*>& args, SourceLocation Loc) {
ExprResult Fn = SemaRef.BuildDeclRefExpr(FD, FD->getType(), VK_LValue, Loc);
return SemaRef.BuildResolvedCallExpr(Fn.get(), FD, Loc, args, Loc);
}
ExprResult BuildUPCRCall(FunctionDecl *FD, std::vector<Expr*>& args) {
return BuildUPCRCall(FD, args, SourceLocation());
}
ExprResult BuildUPCRDeclRef(VarDecl *VD) {
return SemaRef.BuildDeclRefExpr(VD, VD->getType(), VK_LValue, SourceLocation());
}
Expr * CreateSimpleDeclRef(VarDecl *VD) {
//return SemaRef.BuildDeclRefExpr(VD, VD->getType(), VK_LValue, SourceLocation()).get();
//return dynamic_cast<Expr *>(SemaRef.BuildDeclRefExpr(VD, VD->getType(), VK_LValue, SourceLocation()));
return dyn_cast<Expr>(SemaRef.BuildDeclRefExpr(VD, VD->getType(), VK_LValue, SourceLocation()));
}
int AnonRecordID;
int StaticLocalVarID;
IdentifierInfo *getRecordDeclName(IdentifierInfo * OrigName) {
return OrigName;
}
struct ArrayDimensionT {
ArrayDimensionT(ASTContext& Context) :
ArrayDimension(Context.getTypeSize(Context.getSizeType()), 1),
HasThread(false),
ElementSize(0),
E(NULL)
{}
llvm::APInt ArrayDimension;
bool HasThread;
int64_t ElementSize; // Matches representation of CharUnits
Expr *E;
};
ArrayDimensionT GetArrayDimension(QualType Ty) {
ArrayDimensionT Result(SemaRef.Context);
QualType ElemTy = Ty.getCanonicalType();
while(const ArrayType *AT = dyn_cast<ArrayType>(ElemTy.getTypePtr())) {
if(const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) {
Result.ArrayDimension *= CAT->getSize();
} else if(const UPCThreadArrayType *TAT = dyn_cast<UPCThreadArrayType>(AT)) {
if(TAT->getThread()) {
Result.HasThread = true;
}
Result.ArrayDimension *= TAT->getSize();
} else if(const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) {
Expr *Val = BuildParens(TransformExpr(VAT->getSizeExpr()).get()).get();
if(Result.E) {
Result.E = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Mul, Result.E, Val).get();
} else {
Result.E = Val;
}
} else if(isa<IncompleteArrayType>(AT)) {
Result.ArrayDimension = 0;
} else {
assert(!"Other array types should not syntax check");
}
ElemTy = AT->getElementType();
}
Result.ElementSize = SemaRef.Context.getTypeSizeInChars(ElemTy).getQuantity();
return Result;
}
Expr * MaybeAddParensForMultiply(Expr * E) {
if(isa<ParenExpr>(E) || isa<IntegerLiteral>(E) ||
isa<CallExpr>(E))
return E;
else
return BuildParens(E).get();
}
ExprResult MaybeAdjustForArray(const ArrayDimensionT & Dims, Expr * E, BinaryOperatorKind Op) {
if(Dims.ArrayDimension == 1 && !Dims.E && !Dims.HasThread) {
return E;
} else {
Expr *Dimension = IntegerLiteral::Create(SemaRef.Context, Dims.ArrayDimension, SemaRef.Context.getSizeType(), SourceLocation());
if(Dims.HasThread) {
std::vector<Expr*> args;
Expr *Threads = BuildUPCRCall(Decls->upcr_threads, args).get();
Dimension = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Mul, Dimension, Threads).get();
}
if(Dims.E) {
Dimension = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Mul, Dimension, Dims.E).get();
}
if(Dims.HasThread || Dims.E) {
Dimension = BuildParens(Dimension).get();
}
return BuildParens(SemaRef.CreateBuiltinBinOp(SourceLocation(), Op, MaybeAddParensForMultiply(E), Dimension).get());
}
}
std::vector<Expr*> BuildUPCBarrierArgs(Expr *ID) {
ASTContext& Context = SemaRef.Context;
bool isAnon = !ID;
if(isAnon) {
ID = IntegerLiteral::Create(Context, APInt(32, 0), Context.IntTy, SourceLocation());
} else if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(ID)) {
QualType Ty = ICE->getSubExpr()->getType();
if(isPointerToShared(Ty) || Ty.getQualifiers().hasShared()) {
ID = TransformExpr(ID).get();
} else {
ID = TransformExpr(ICE->getSubExpr()).get();
TypeSourceInfo *Type;
if(ICE->getCastKind() == CK_PointerToIntegral) {
// Pointer types get 2 casts; this one silences "narrowing" warnings
Type = Context.getTrivialTypeSourceInfo(Context.getIntPtrType());
ID = SemaRef.BuildCStyleCastExpr(SourceLocation(), Type, SourceLocation(), ID).get();
}
Type = Context.getTrivialTypeSourceInfo(Context.IntTy);
ID = SemaRef.BuildCStyleCastExpr(SourceLocation(), Type, SourceLocation(), ID).get();
}
} else {
ID = TransformExpr(ID).get();
}
std::vector<Expr*> args;
args.push_back(ID);
args.push_back(IntegerLiteral::Create(Context, APInt(32, isAnon), Context.IntTy, SourceLocation()));
return args;
}
StmtResult TransformUPCNotifyStmt(UPCNotifyStmt *S) {
std::vector<Expr*> args = BuildUPCBarrierArgs(S->getIdValue());
Stmt *result = BuildUPCRCall(Decls->upcr_notify, args, S->getBeginLoc()).get();
return result;
}
StmtResult TransformUPCWaitStmt(UPCWaitStmt *S) {
std::vector<Expr*> args = BuildUPCBarrierArgs(S->getIdValue());
Stmt *result = BuildUPCRCall(Decls->upcr_wait, args, S->getBeginLoc()).get();
return result;
}
StmtResult TransformUPCBarrierStmt(UPCBarrierStmt *S) {
std::vector<Expr*> args = BuildUPCBarrierArgs(S->getIdValue());
Stmt *result = BuildUPCRCall(Decls->upcr_barrier, args, S->getBeginLoc()).get();
return result;
}
StmtResult TransformUPCFenceStmt(UPCFenceStmt *S) {
std::vector<Expr*> args;
Stmt *result = BuildUPCRCall(Decls->upcr_poll, args, S->getBeginLoc()).get();
return result;
}
ExprResult TransformUPCThreadExpr(UPCThreadExpr *E) {
std::vector<Expr*> args;
Expr *Call = BuildUPCRCall(Decls->upcr_threads, args).get();
return SemaRef.BuildCStyleCastExpr(SourceLocation(), SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy), SourceLocation(), Call);
}
ExprResult TransformUPCMyThreadExpr(UPCMyThreadExpr *E) {
std::vector<Expr*> args;
Expr *Call = BuildUPCRCall(Decls->upcr_mythread, args).get();
return SemaRef.BuildCStyleCastExpr(SourceLocation(), SemaRef.Context.getTrivialTypeSourceInfo(SemaRef.Context.IntTy), SourceLocation(), Call);
}
ExprResult TransformInitializer(Expr *Init, bool CXXDirectInit) {
if(!Init)
return Init;
// Have to handle this separately, as TreeTransform
// strips off ImplicitCastExprs in TransformInitializer.
if(ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(Init)) {
if((ICE->getCastKind() == CK_LValueToRValue && ICE->getSubExpr()->getType().getQualifiers().hasShared()) ||
isPointerToShared(ICE->getSubExpr()->getType())) {
return TransformExpr(ICE);
} else {
ExprResult UPCCast = MaybeTransformUPCRCast(ICE);
if(!UPCCast.isInvalid())
return UPCCast;
return TransformInitializer(ICE->getSubExpr(), CXXDirectInit);
}
}
return TreeTransformUPC::TransformInitializer(Init, CXXDirectInit);
}
ExprResult TransformCStyleCastExpr(CStyleCastExpr *E) {
ExprResult UPCCast = MaybeTransformUPCRCast(E);
if(!UPCCast.isInvalid()) {
return UPCCast;
} else {
// The default transform strips off implicit casts
TypeSourceInfo *Type = TransformType(E->getTypeInfoAsWritten());
if (!Type)
return ExprError();
ExprResult SubExpr = TransformExpr(E->getSubExpr());
if (SubExpr.isInvalid())
return ExprError();
return RebuildCStyleCastExpr(E->getLParenLoc(),
Type,
E->getRParenLoc(),
SubExpr.get());
}
}
ExprResult TransformImplicitCastExpr(ImplicitCastExpr *E) {
if(E->getCastKind() == CK_LValueToRValue && E->getSubExpr()->getType().getQualifiers().hasShared()) {
return BuildUPCRLoad(TransformExpr(E->getSubExpr()).get(), E->getSubExpr()->getType());
} else {
ExprResult UPCCast = MaybeTransformUPCRCast(E);
if(!UPCCast.isInvalid()) {
return UPCCast;
}
// We can't use the default transform, because it
// strips off all implicit casts. We may need to
// process the subexpression
return TransformExpr(E->getSubExpr());
}
}
bool isPointerToShared(QualType Ty) {
if(const PointerType * PTy = Ty->getAs<PointerType>()) {
return PTy->getPointeeType().getQualifiers().hasShared();
} else {
return false;
}
}
IntegerLiteral *CreateInteger(QualType Ty, int Value) {
return IntegerLiteral::Create(SemaRef.Context, APInt(SemaRef.Context.getTypeSize(Ty), Value), Ty, SourceLocation());
}
bool isLiteralInt(const Expr *E, uint64_t value) {
const IntegerLiteral *Lit = dyn_cast<IntegerLiteral>(E->IgnoreParenCasts());
return (Lit && Lit->getValue() == value);
}
bool typeFitsUPCRValuePutGet(QualType Ty) {
// FIXME: pointers-to-shared may fit, but since we cannot cast freely between
// them and upcr_register_value_t, we also can't xfer them by value.
if(isPointerToShared(Ty)) return false;
return Ty->isSpecificBuiltinType(BuiltinType::Float) ||
Ty->isSpecificBuiltinType(BuiltinType::Double) ||
((Ty->isIntegralOrEnumerationType() || Ty->isPointerType()) &&
(SemaRef.Context.getTypeSize(Ty) <= SemaRef.Context.getTypeSize(Decls->upcr_register_value_t)));
}
Expr *FoldUPCRLoadStore(Expr* &E, bool &Phaseless) {
Expr *Offset = NULL;
while (CallExpr *CE = dyn_cast<CallExpr>(E->IgnoreParens())) {
FunctionDecl *FD = CE->getDirectCallee();
if (FD == Decls->UPCR_SHARED_TO_PSHARED || FD == Decls->UPCR_PSHARED_TO_SHARED) {
// Fold phased/phaseless conversion into choice of Accessor
// NOTE: Dropping a shared_to_pshared() in this manner is NOT a correct
// transform if any definite pointer-to-shared arithmetic were then applied.
// It is acceptible here ONLY because Put and Get don't use the phase.
E = CE->getArg(0);
Phaseless = !Phaseless;
} else if (FD == Decls->UPCR_ADD_PSHAREDI) {
// Fold (non-zero) indefinite address arithmetic into the Offset
E = CE->getArg(0);
Expr *Elemsz = CE->getArg(1);
Expr *Inc = CE->getArg(2);
Expr *NewOffset;
if (isLiteralInt(Elemsz,1)) {
NewOffset = Inc;
} else {
Elemsz = MaybeAddParensForMultiply(Elemsz);
Inc = MaybeAddParensForMultiply(Inc);
NewOffset = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Mul, Elemsz, Inc).get();
}
if (Offset) {
Offset = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Add, Offset, NewOffset).get();
} else {
Offset = NewOffset;
}
} else {
break;
}
}
if (Offset) return Offset;
return CreateInteger(SemaRef.Context.getSizeType(), 0);
}
// If LoadVar is passed, then the result will contain an assignment to it.
// Otherwise the result will use a temporary only if necessary.
// Regardless, the value of the expression will be the result of the Load.
Expr *BuildUPCRLoad(Expr * Ptr, QualType Ty, Expr * LoadVar = NULL) {
Qualifiers Quals = Ty.getQualifiers();
bool Phaseless = isPhaseless(Ty);
bool Strict = Quals.hasStrict();
// Try to fold offset and phased/phaseless conversions:
Expr *Offset = FoldUPCRLoadStore(Ptr, Phaseless);
std::vector<Expr*> args;
Expr *Result;
QualType ResultType = TransformType(Ty).getUnqualifiedType();
if(typeFitsUPCRValuePutGet(ResultType)) {
// Case 1. Get by value, with type cast if necesssary
args.push_back(Ptr);
args.push_back(Offset);
UPCRCommFn *Accessor;
if(ResultType->isSpecificBuiltinType(BuiltinType::Float)) {
Accessor = &Decls->UPCR_GET_FVAL;
} else if(ResultType->isSpecificBuiltinType(BuiltinType::Double)) {
Accessor = &Decls->UPCR_GET_DVAL;
} else {
Accessor = &Decls->UPCR_GET_IVAL;
args.push_back(CreateInteger(SemaRef.Context.getSizeType(),SemaRef.Context.getTypeSizeInChars(Ty).getQuantity()));
}
Result = BuildUPCRCall((*Accessor)(Phaseless,Strict), args).get();
// NOTE: Without a cast the float and double cases yield an assertion failure!?
TypeSourceInfo *CastTo = SemaRef.Context.getTrivialTypeSourceInfo(ResultType);
Result = SemaRef.BuildCStyleCastExpr(SourceLocation(), CastTo, SourceLocation(), Result).get();
if(LoadVar) {
Result = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Assign, LoadVar, Result).get();
}
Result = BuildParens(Result).get();
} else {
// Case 2. Get by reference, to callers LoadVar if passed
VarDecl *TmpVar = NULL;
if (!LoadVar) { // Create a LoadVar if the caller doesn't provide one
TmpVar = CreateTmpVar(ResultType);
LoadVar = CreateSimpleDeclRef(TmpVar);
}
args.push_back(SemaRef.CreateBuiltinUnaryOp(SourceLocation(), UO_AddrOf, LoadVar).get());
args.push_back(Ptr);
args.push_back(Offset);
args.push_back(CreateInteger(SemaRef.Context.getSizeType(),SemaRef.Context.getTypeSizeInChars(Ty).getQuantity()));
Result = BuildUPCRCall(Decls->UPCR_GET(Phaseless,Strict), args).get();
if(TmpVar) Result = BuildParens(BuildComma(Result, CreateSimpleDeclRef(TmpVar)).get()).get();
}
return Result;
}
ExprResult BuildUPCRSharedToPshared(Expr *Ptr) {
CallExpr *CE = dyn_cast<CallExpr>(Ptr->IgnoreParens());
FunctionDecl *Child = CE? CE->getDirectCallee() : 0;
if(Child == Decls->UPCR_PSHARED_TO_SHARED) {
// upcr_shared_to_pshared(pshared_to_shared(p)) -> p
return ExprResult(CE->getArg(0));
} else if(Child == Decls->UPCR_SHARED_RESETPHASE) {
// shared_to_pshared(resetphase(p)) -> shared_to_pshared(p)
Ptr = CE->getArg(0);
}
std::vector<Expr*> args;
args.push_back(Ptr);
return BuildUPCRCall(Decls->UPCR_SHARED_TO_PSHARED, args);
}
ExprResult BuildUPCRPsharedToShared(Expr *Ptr) {
CallExpr *CE = dyn_cast<CallExpr>(Ptr->IgnoreParens());
FunctionDecl *Child = CE? CE->getDirectCallee() : 0;
if(Child == Decls->UPCR_SHARED_TO_PSHARED) {
// pshared_to_shared(shared_to_pshared(p)) -> resetphase(p)
return BuildUPCRSharedResetPhase(CE->getArg(0));
}
std::vector<Expr*> args;
args.push_back(Ptr);
return BuildUPCRCall(Decls->UPCR_PSHARED_TO_SHARED, args);
}
ExprResult BuildUPCRSharedResetPhase(Expr *Ptr) {
CallExpr *CE = dyn_cast<CallExpr>(Ptr->IgnoreParens());
FunctionDecl *Child = CE? CE->getDirectCallee() : 0;
if(Child == Decls->UPCR_SHARED_RESETPHASE) {
// resetphase(resetphase(p)) -> resetphase(p)
return ExprResult(Ptr);
}
std::vector<Expr*> args;
args.push_back(Ptr);
return BuildUPCRCall(Decls->UPCR_SHARED_RESETPHASE, args);
}
ExprResult MaybeTransformUPCRCast(CastExpr *E) {
if(E->getCastKind() == CK_UPCSharedToLocal) {
bool Phaseless = isPhaseless(E->getSubExpr()->getType()->getAs<PointerType>()->getPointeeType());
FunctionDecl *Accessor = Phaseless? Decls->UPCR_PSHARED_TO_LOCAL : Decls->UPCR_SHARED_TO_LOCAL;
std::vector<Expr*> args;
args.push_back(TransformExpr(E->getSubExpr()).get());
ExprResult Result = BuildUPCRCall(Accessor, args);
TypeSourceInfo *Ty = SemaRef.Context.getTrivialTypeSourceInfo(TransformType(E->getType()));
return SemaRef.BuildCStyleCastExpr(SourceLocation(), Ty, SourceLocation(), Result.get());
} else if(E->getCastKind() == CK_NullToPointer && isPointerToShared(E->getType())) {
bool Phaseless = isPhaseless(E->getType()->getAs<PointerType>()->getPointeeType());
return BuildUPCRDeclRef(Phaseless? Decls->upcr_null_pshared : Decls->upcr_null_shared);
} else if((E->getCastKind() == CK_BitCast ||
E->getCastKind() == CK_UPCBitCastZeroPhase) &&
isPointerToShared(E->getType())) {
QualType DstPointee = E->getType()->getAs<PointerType>()->getPointeeType();
QualType SrcPointee = E->getSubExpr()->getType()->getAs<PointerType>()->getPointeeType();
ExprResult Result = TransformExpr(E->getSubExpr());
if(isPhaseless(DstPointee) && !isPhaseless(SrcPointee)) {
return BuildUPCRSharedToPshared(Result.get());
} else if(!isPhaseless(DstPointee) && isPhaseless(SrcPointee)) {
return BuildUPCRPsharedToShared(Result.get());
} else if(!isPhaseless(DstPointee) && !isPhaseless(SrcPointee) &&
E->getCastKind() == CK_UPCBitCastZeroPhase) {
return BuildUPCRSharedResetPhase(Result.get());
} else {
return Result;
}
} else if(E->getCastKind() == CK_PointerToIntegral &&
isPointerToShared(E->getSubExpr()->getType())) {
bool Phaseless = isPhaseless(E->getSubExpr()->getType()->getAs<PointerType>()->getPointeeType());
FunctionDecl *Accessor = Phaseless? Decls->UPCR_ADDRFIELD_PSHARED : Decls->UPCR_ADDRFIELD_SHARED;
std::vector<Expr*> args;
args.push_back(TransformExpr(E->getSubExpr()).get());
Expr *Result = BuildUPCRCall(Accessor, args).get();
TypeSourceInfo *Type = SemaRef.Context.getTrivialTypeSourceInfo(TransformType(E->getType()));
return SemaRef.BuildCStyleCastExpr(SourceLocation(), Type, SourceLocation(), Result);
}
return ExprError();
}
ExprResult BuildUPCRStore(Expr * LHS, Expr * RHS, QualType Ty, bool ReturnValue = true) {
Qualifiers Quals = Ty.getQualifiers();
bool Phaseless = isPhaseless(Ty);
bool Strict = Quals.hasStrict();
// Try to fold offset and phased/phaseless conversions:
Expr *Offset = FoldUPCRLoadStore(LHS, Phaseless);
// Select the default function to call
UPCRCommFn *Accessor = &Decls->UPCR_PUT;
Expr *SetTmp = NULL;
Expr *SrcArg = NULL;
Expr *RetVal = NULL;
bool NeedSize = true;
QualType ResultType = TransformType(Ty).getUnqualifiedType();
QualType RHSType = RHS->getType().getUnqualifiedType();
if(typeFitsUPCRValuePutGet(ResultType)) {
if (RHS->isLValue() && !ReturnValue) {
// Case 1. Put RHS by value, with type cast if necessary
SrcArg = RHS;
if(!SemaRef.Context.typesAreCompatible(ResultType, RHSType)) {
TypeSourceInfo *TSI = SemaRef.Context.getTrivialTypeSourceInfo(ResultType);
SrcArg = SemaRef.BuildCStyleCastExpr(SourceLocation(), TSI, SourceLocation(), SrcArg).get();
}
} else {
// Case 2. Store value of RHS in a temporary. which is Put by value
// If(ReturnValue) then the temporary's value is returned
VarDecl *TmpVar = CreateTmpVar(ResultType);
SetTmp = SemaRef.CreateBuiltinBinOp(SourceLocation(), BO_Assign, CreateSimpleDeclRef(TmpVar), RHS).get();
SrcArg = CreateSimpleDeclRef(TmpVar);
if(ReturnValue) RetVal = CreateSimpleDeclRef(TmpVar);
}
if(ResultType->isSpecificBuiltinType(BuiltinType::Float)) {
Accessor = &Decls->UPCR_PUT_FVAL;
NeedSize = false;
} else if(ResultType->isSpecificBuiltinType(BuiltinType::Double)) {
Accessor = &Decls->UPCR_PUT_DVAL;
NeedSize = false;
} else {
TypeSourceInfo *TSI = SemaRef.Context.getTrivialTypeSourceInfo(Decls->upcr_register_value_t);
SrcArg = SemaRef.BuildCStyleCastExpr(SourceLocation(), TSI, SourceLocation(), SrcArg).get();
Accessor = &Decls->UPCR_PUT_IVAL;
}
} else if (RHS->isLValue() && !ReturnValue &&
SemaRef.Context.typesAreCompatible(ResultType, RHSType)) {