MIR cleanups and predecessor cache#34149

Merged

bors merged 9 commits intorust-lang:masterfrom

arielb1:remove-remove-dead-blocks

Jun 9, 2016

Commits on Jun 9, 2016

merge the RemoveDeadBlocks pass into the SimplifyCfg pass

arielb1
authored and
Ariel Ben-Yehuda
committed
introduce the type-safe IdxVec and use it instead of loose indexes

arielb1
authored and
Ariel Ben-Yehuda
committed
make the basic_blocks field private

arielb1
authored and
Ariel Ben-Yehuda
committed
add a cache for MIR predecessors

arielb1
authored and
Ariel Ben-Yehuda
committed
introduce an `unreachable` terminator

arielb1
authored and
Ariel Ben-Yehuda
committed
add hook infrastructure for automatically dumping MIR on every pass

arielb1
authored and
Ariel Ben-Yehuda
committed
refactor simplify_cfg and split off simplify_branches

arielb1
authored and
Ariel Ben-Yehuda
committed
use the type name as the pass name

arielb1
authored and
Ariel Ben-Yehuda
committed
fix issues

Ariel Ben-Yehuda
authored and
arielb1
committed