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Fix incorrect phi node edges in if

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This commit is contained in:
pyos 2018-05-10 17:49:25 +03:00
parent 6d2259f2cf
commit c123be1fe4
1 changed files with 5 additions and 4 deletions
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9
dbms/src/Functions/FunctionsConditional.h
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@ -144,8 +144,8 @@ public:
auto * cond = values[i]();
if (!null_is_false && types[i]->isNullable())
{
returns.emplace_back(head, null);
auto * nonnull = llvm::BasicBlock::Create(head->getContext(), "", head->getParent());
returns.emplace_back(b.GetInsertBlock(), null);
b.CreateCondBr(b.CreateExtractValue(cond, {1}), join, nonnull);
b.SetInsertPoint(nonnull);
b.CreateCondBr(nativeBoolCast(b, removeNullable(types[i]), b.CreateExtractValue(cond, {0})), then, next);
@ -155,12 +155,13 @@ public:
b.CreateCondBr(nativeBoolCast(b, types[i], cond), then, next);
}
b.SetInsertPoint(then);
returns.emplace_back(then, nativeCast(b, types[i + 1], values[i + 1](), type));
auto * value = nativeCast(b, types[i + 1], values[i + 1](), type);
returns.emplace_back(b.GetInsertBlock(), value);
b.CreateBr(join);
b.SetInsertPoint(next);
head = next;
}
returns.emplace_back(head, nativeCast(b, types.back(), values.back()(), type));
auto * value = nativeCast(b, types.back(), values.back()(), type);
returns.emplace_back(b.GetInsertBlock(), value);
b.CreateBr(join);
b.SetInsertPoint(join);
auto * phi = b.CreatePHI(toNativeType(b, type), returns.size());