There is no rock that makes up igneous rock. It is made when lava cools and hardens.
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Most igneous rocks are made up of silicate minerals, such as quartz, feldspar, mica, amphibole, and pyroxene. These minerals are rich in silicon and oxygen and form the bulk of the composition of igneous rocks.
Such rock is extrusive igneous rock.
Basalt
Rhyolite is an igneous rock.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Basalt is the most common extrusive igneous rock.