625 struct BlockAction {  struct
626   static BlockAction getCreate(Block *block) {  in getCreate()  argument
629   static BlockAction getErase(Block *block, BlockPosition originalPosition) {  in getErase()  argument
632   static BlockAction getMerge(Block *block, Block *sourceBlock) {  in getMerge()  argument
633     BlockAction action{BlockActionKind::Merge, block, {}};  in getMerge()
637   static BlockAction getMove(Block *block, BlockPosition originalPosition) {  in getMove()  argument
640   static BlockAction getSplit(Block *block, Block *originalBlock) {  in getSplit()  argument
641     BlockAction action{BlockActionKind::Split, block, {}};  in getSplit()
645   static BlockAction getTypeConversion(Block *block) {  in getTypeConversion()  argument
646     return BlockAction{BlockActionKind::TypeConversion, block, {}};  in getTypeConversion()
794   SmallVector<BlockAction, 4> blockActions;
1119       blockActions.push_back(BlockAction::getTypeConversion(newBlock));  in convertBlockSignature()
1189   blockActions.push_back(BlockAction::getErase(block, {region, origPrevBlock}));  in notifyBlockIsBeingErased()
1193   blockActions.push_back(BlockAction::getCreate(block));  in notifyCreatedBlock()
1198   blockActions.push_back(BlockAction::getSplit(continuation, block));  in notifySplitBlock()
1203   blockActions.push_back(BlockAction::getMerge(block, srcBlock));  in notifyBlocksBeingMerged()
1213         BlockAction::getMove(laterBlock, {&region, &earlierBlock}));  in notifyRegionIsBeingInlinedBefore()
1216   blockActions.push_back(BlockAction::getMove(laterBlock, {&region, nullptr}));  in notifyRegionIsBeingInlinedBefore()
1222     blockActions.push_back(BlockAction::getCreate(&block));  in notifyRegionWasClonedBefore()