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Add target hook for setting symbol prefix and section of unicode

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string literals.

llvm-svn: 68363
This commit is contained in:
Daniel Dunbar
2009-04-03 00:57:44 +00:00
parent 0fc36ca69d
commit fd6cfcffa2
4 changed files with 52 additions and 5 deletions
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26
clang/lib/CodeGen/CodeGenModule.cpp
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@@ -1082,13 +1082,31 @@ GetAddrOfConstantCFString(const StringLiteral *Literal) {
CurField = NextField;
NextField = *Field++;
llvm::Constant *C = llvm::ConstantArray::get(str);
const char *Sect, *Prefix;
bool isConstant;
if (isUTF16) {
Prefix = getContext().Target.getUnicodeStringSymbolPrefix();
Sect = getContext().Target.getUnicodeStringSection();
// FIXME: Why does GCC not set constant here?
isConstant = false;
} else {
Prefix = getContext().Target.getStringSymbolPrefix(true);
Sect = getContext().Target.getCFStringDataSection();
// FIXME: -fwritable-strings should probably affect this, but we
// are following gcc here.
isConstant = true;
}
llvm::GlobalVariable *GV =
new llvm::GlobalVariable(C->getType(), true,
new llvm::GlobalVariable(C->getType(), isConstant,
llvm::GlobalValue::InternalLinkage,
C, getContext().Target.getStringSymbolPrefix(true),
&getModule());
if (const char *Sect = getContext().Target.getCFStringDataSection())
C, Prefix, &getModule());
if (Sect)
GV->setSection(Sect);
if (isUTF16) {
unsigned Align = getContext().getTypeAlign(getContext().ShortTy)/8;
GV->setAlignment(Align);
}
appendFieldAndPadding(*this, Fields, CurField, NextField,
llvm::ConstantExpr::getGetElementPtr(GV, Zeros, 2),
CFRD, STy);