Cleanup includes. (#1795)
This Cl cleans up the include paths to be relative to the top level
directory. Various include-what-you-use fixes have been added.
diff --git a/source/opt/inline_pass.cpp b/source/opt/inline_pass.cpp
index 665f3a7..6db027c 100644
--- a/source/opt/inline_pass.cpp
+++ b/source/opt/inline_pass.cpp
@@ -14,9 +14,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-#include "inline_pass.h"
+#include "source/opt/inline_pass.h"
-#include "cfa.h"
+#include <unordered_set>
+#include <utility>
+
+#include "source/cfa.h"
// Indices of operands in SPIR-V instructions