Anastasia updated this revision to Diff 144885.
Anastasia added a comment.
The best way of adding common helper function I could come up with. The problem
is that string literals are created quite differently all over: using various
char types and const qualifiers. That seems to cover the most common case now.
https://reviews.llvm.org/D46049
Files:
include/clang/AST/ASTContext.h
lib/AST/ASTContext.cpp
lib/AST/Expr.cpp
lib/Sema/SemaExpr.cpp
test/SemaOpenCL/predefined-expr.cl
Index: test/SemaOpenCL/predefined-expr.cl
===================================================================
--- test/SemaOpenCL/predefined-expr.cl
+++ test/SemaOpenCL/predefined-expr.cl
@@ -1,7 +1,7 @@
// RUN: %clang_cc1 %s -verify
void f() {
-char * f1 = __func__;//expected-error{{initializing 'char *' with an expression of type 'const __constant char *' changes address space of pointer}}
-constant char * f2 = __func__;//expected-warning{{initializing '__constant char *' with an expression of type 'const __constant char [2]' discards qualifiers}}
-constant const char * f3 = __func__;
-}
+ char *f1 = __func__; //expected-error{{initializing 'char *' with an expression of type 'const __constant char *' changes address space of pointer}}
+ constant char *f2 = __func__; //expected-warning{{initializing '__constant char *' with an expression of type 'const __constant char [2]' discards qualifiers}}
+ constant const char *f3 = __func__;
+}
Index: lib/Sema/SemaExpr.cpp
===================================================================
--- lib/Sema/SemaExpr.cpp
+++ lib/Sema/SemaExpr.cpp
@@ -1529,7 +1529,7 @@
for (const Token &Tok : StringToks)
StringTokLocs.push_back(Tok.getLocation());
- QualType CharTy = Context.CharTy;
+ QualType CharTy = Context.getStringLiteralBaseType();
StringLiteral::StringKind Kind = StringLiteral::Ascii;
if (Literal.isWide()) {
CharTy = Context.getWideCharType();
@@ -1554,20 +1554,15 @@
// Get an array type for the string, according to C99 6.4.5. This includes
// the nul terminator character as well as the string length for pascal
// strings.
- QualType StrTy = Context.getConstantArrayType(CharTyConst,
- llvm::APInt(32, Literal.GetNumStringChars()+1),
- ArrayType::Normal, 0);
-
- // OpenCL v1.1 s6.5.3: a string literal is in the constant address space.
- if (getLangOpts().OpenCL) {
- StrTy = Context.getAddrSpaceQualType(StrTy, LangAS::opencl_constant);
- }
-
- // Pass &StringTokLocs[0], StringTokLocs.size() to factory!
StringLiteral *Lit = StringLiteral::Create(Context, Literal.GetString(),
Kind, Literal.Pascal, StrTy,
&StringTokLocs[0],
StringTokLocs.size());
+
+ // Pass &StringTokLocs[0], StringTokLocs.size() to factory!
+ StringLiteral *Lit =
+ StringLiteral::Create(Context, Literal.GetString(), Kind, Literal.Pascal,
+ StrTy, &StringTokLocs[0], StringTokLocs.size());
if (Literal.getUDSuffix().empty())
return Lit;
@@ -3051,9 +3046,7 @@
SL = StringLiteral::Create(Context, RawChars, StringLiteral::Wide,
/*Pascal*/ false, ResTy, Loc);
} else {
- ResTy = Context.CharTy.withConst();
- if (LangOpts.OpenCL)
- ResTy = Context.getAddrSpaceQualType(ResTy, LangAS::opencl_constant);
+ ResTy = Context.getStringLiteralBaseType().withConst();
ResTy = Context.getConstantArrayType(ResTy, LengthI, ArrayType::Normal,
/*IndexTypeQuals*/ 0);
SL = StringLiteral::Create(Context, Str, StringLiteral::Ascii,
@@ -3290,8 +3283,8 @@
// operator "" X ("n")
unsigned Length = Literal.getUDSuffixOffset();
QualType StrTy = Context.getConstantArrayType(
- Context.CharTy.withConst(), llvm::APInt(32, Length + 1),
- ArrayType::Normal, 0);
+ Context.getStringLiteralBaseType().withConst(),
+ llvm::APInt(32, Length + 1), ArrayType::Normal, 0);
Expr *Lit = StringLiteral::Create(
Context, StringRef(TokSpelling.data(), Length), StringLiteral::Ascii,
/*Pascal*/false, StrTy, &TokLoc, 1);
@@ -13396,7 +13389,6 @@
DiagKind = diag::err_typecheck_incompatible_address_space;
break;
-
} else if (lhq.getObjCLifetime() != rhq.getObjCLifetime()) {
DiagKind = diag::err_typecheck_incompatible_ownership;
break;
Index: lib/AST/Expr.cpp
===================================================================
--- lib/AST/Expr.cpp
+++ lib/AST/Expr.cpp
@@ -881,7 +881,10 @@
void *Mem =
C.Allocate(sizeof(StringLiteral) + sizeof(SourceLocation) * (NumStrs - 1),
alignof(StringLiteral));
- StringLiteral *SL = new (Mem) StringLiteral(QualType());
+ StringLiteral *SL = new (Mem) StringLiteral(
+ C.getLangOpts().OpenCL
+ ? C.getAddrSpaceQualType(QualType(), LangAS::opencl_constant)
+ : QualType());
SL->CharByteWidth = 0;
SL->Length = 0;
SL->NumConcatenated = NumStrs;
Index: lib/AST/ASTContext.cpp
===================================================================
--- lib/AST/ASTContext.cpp
+++ lib/AST/ASTContext.cpp
@@ -3629,6 +3629,12 @@
return QualType(New, 0);
}
+QualType ASTContext::getStringLiteralBaseType() const {
+ // OpenCL v1.1 s6.5.3: a string literal is in the constant address space.
+ return LangOpts.OpenCL ? getAddrSpaceQualType(CharTy, LangAS::opencl_constant)
+ : CharTy;
+}
+
QualType ASTContext::getReadPipeType(QualType T) const {
return getPipeType(T, true);
}
Index: include/clang/AST/ASTContext.h
===================================================================
--- include/clang/AST/ASTContext.h
+++ include/clang/AST/ASTContext.h
@@ -1346,6 +1346,8 @@
return getFunctionTypeInternal(ResultTy, Args, EPI, false);
}
+ QualType getStringLiteralBaseType() const;
+
private:
/// \brief Return a normal function type with a typed argument list.
QualType getFunctionTypeInternal(QualType ResultTy, ArrayRef<QualType> Args,
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