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Fixed vector initialization involving implicit conversions.

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Fixes first part of GitHub #176.
This commit is contained in:
David Nadlinger
2012-10-03 17:58:25 +02:00
parent 0c0e88dda1
commit 4f6ec96b27
2 changed files with 19 additions and 20 deletions
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37
gen/toir.cpp
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@@ -3254,28 +3254,27 @@ DValue* VectorExp::toElem(IRState* p)
TypeVector *type = static_cast<TypeVector*>(to->toBasetype());
assert(type->ty == Tvector);
// Array literals are assigned element-wise, other expressions are cast and
// splat across the vector elements. This is what DMD does.
DValue *val = e1->toElem(p);
LLValue *llval;
if (e1->op == TOKarrayliteral) {
Logger::println("array literal expression");
llval = DtoArrayPtr(val);
} else {
Logger::println("normal (splat) expression");
llval = DtoCast(loc, val, type->elementType())->getRVal();
}
LLValue *vector = DtoAlloca(to);
for (int i = 0; i < dim; ++i) {
LLValue *source;
if (e1->op == TOKarrayliteral) {
source = DtoLoad(DtoGEPi1(llval, i));
} else {
source = llval;
// Array literals are assigned element-wise, other expressions are cast and
// splat across the vector elements. This is what DMD does.
if (e1->op == TOKarrayliteral) {
Logger::println("array literal expression");
ArrayLiteralExp *e = static_cast<ArrayLiteralExp*>(e1);
assert(e->elements->dim == dim && "Array literal vector initializer "
"length mismatch, should have been handled in frontend.");
for (int i = 0; i < dim; ++i) {
DValue *val = ((*e->elements)[i])->toElem(p);
LLValue *llval = DtoCast(loc, val, type->elementType())->getRVal();
DtoStore(llval, DtoGEPi(vector, 0, i));
}
} else {
Logger::println("normal (splat) expression");
DValue *val = e1->toElem(p);
LLValue* llval = DtoCast(loc, val, type->elementType())->getRVal();
for (int i = 0; i < dim; ++i) {
DtoStore(llval, DtoGEPi(vector, 0, i));
}
DtoStore(source, DtoGEPi(vector, 0, i));
}
return new DVarValue(to, vector);

2
tests/d2/dmd-testsuite

Submodule tests/d2/dmd-testsuite updated: 7dc22d030c...bc927e2bf8