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Handle throw d, where d is a class type but only has a trivial copy 

constructor.  WIP.

llvm-svn: 89438
This commit is contained in:
Mike Stump 2009-11-20 01:57:39 +00:00
parent 6d9a942174
commit 4d7a07bdaf
1 changed files with 9 additions and 8 deletions
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17
clang/lib/CodeGen/CGException.cpp
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@ -61,12 +61,6 @@ void CodeGenFunction::EmitCXXThrowExpr(const CXXThrowExpr *E) {
}
QualType ThrowType = E->getSubExpr()->getType();
// FIXME: We only handle non-class types for now.
if (ThrowType->isRecordType()) {
ErrorUnsupported(E, "throw expression");
return;
}
// FIXME: Handle cleanup.
if (!CleanupEntries.empty()){
ErrorUnsupported(E, "throw expression");
@ -90,8 +84,15 @@ void CodeGenFunction::EmitCXXThrowExpr(const CXXThrowExpr *E) {
Builder.CreateStore(Value, Builder.CreateBitCast(ExceptionPtr, ValuePtrTy));
} else {
// FIXME: Handle complex and aggregate expressions.
ErrorUnsupported(E, "throw expression");
// See EmitCXXConstructorCall.
const llvm::Type *Ty = ConvertType(ThrowType)->getPointerTo(0);
const CXXRecordDecl *RD;
RD = cast<CXXRecordDecl>(ThrowType->getAs<RecordType>()->getDecl());
if (RD->hasTrivialCopyConstructor()) {
EmitAggExpr(E->getSubExpr(), Builder.CreateBitCast(ExceptionPtr, Ty),
false);
} else
ErrorUnsupported(E, "throw expression with copy ctor");
}
// Now throw the exception.