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

fix volatile handling with ExtVectorElementExpr, so that we 

emit two volatile loads for:
typedef __attribute__(( ext_vector_type(4) )) float float4;

float test(volatile float4 *P) {
  return P->x+P->y;
}

llvm-svn: 64683
This commit is contained in:
Chris Lattner 2009-02-16 22:25:49 +00:00
parent fc3eb09a0f
commit e084c01124
2 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
clang/lib/CodeGen/CGExpr.cpp
View File

@ -813,7 +813,7 @@ EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
if (Base.isSimple()) {
llvm::Constant *CV = GenerateConstantVector(Indices);
return LValue::MakeExtVectorElt(Base.getAddress(), CV,
E->getBase()->getType().getCVRQualifiers());
Base.getQualifiers());
}
assert(Base.isExtVectorElt() && "Can only subscript lvalue vec elts here!");
@ -828,7 +828,7 @@ EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
}
llvm::Constant *CV = llvm::ConstantVector::get(&CElts[0], CElts.size());
return LValue::MakeExtVectorElt(Base.getExtVectorAddr(), CV,
E->getBase()->getType().getCVRQualifiers());
Base.getQualifiers());
}
LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
@ -846,16 +846,14 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
if (PTy->getPointeeType()->isUnionType())
isUnion = true;
CVRQualifiers = PTy->getPointeeType().getCVRQualifiers();
}
else if (BaseExpr->getStmtClass() == Expr::ObjCPropertyRefExprClass ||
BaseExpr->getStmtClass() == Expr::ObjCKVCRefExprClass) {
} else if (isa<ObjCPropertyRefExpr>(BaseExpr) ||
isa<ObjCKVCRefExpr>(BaseExpr)) {
RValue RV = EmitObjCPropertyGet(BaseExpr);
BaseValue = RV.getAggregateAddr();
if (BaseExpr->getType()->isUnionType())
isUnion = true;
CVRQualifiers = BaseExpr->getType().getCVRQualifiers();
}
else {
} else {
LValue BaseLV = EmitLValue(BaseExpr);
if (BaseLV.isObjCIvar())
isIvar = true;
@ -869,7 +867,8 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
FieldDecl *Field = dyn_cast<FieldDecl>(E->getMemberDecl());
// FIXME: Handle non-field member expressions
assert(Field && "No code generation for non-field member references");
LValue MemExpLV = EmitLValueForField(BaseValue, Field, isUnion, CVRQualifiers);
LValue MemExpLV = EmitLValueForField(BaseValue, Field, isUnion,
CVRQualifiers);
LValue::SetObjCIvar(MemExpLV, isIvar);
return MemExpLV;
}

8
clang/lib/CodeGen/CGValue.h
View File

@ -169,6 +169,10 @@ public:
bool isVolatileQualified() const { return Volatile; }
bool isRestrictQualified() const { return Restrict; }
unsigned getQualifiers() const {
return (Volatile ? QualType::Volatile : 0) |
(Restrict ? QualType::Restrict : 0);
}
bool isObjCIvar() const { return Ivar; }
bool isObjCWeak() const { return ObjCType == Weak; }
@ -275,8 +279,8 @@ public:
SetQualifiers(Qualifiers,R);
return R;
}
static LValue MakeKVCRef(const ObjCKVCRefExpr *E,
unsigned Qualifiers) {
static LValue MakeKVCRef(const ObjCKVCRefExpr *E, unsigned Qualifiers) {
LValue R;
R.LVType = KVCRef;
R.KVCRefExpr = E;