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12bb49f57a0170914ce71f127d408e4016951bf8
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3 Commits

Author SHA1 Message Date
Andrew Trick
12bb49f57a Expose SIL/BasicBlockUtils for critical edge splitting. 
The primary interfaces for CFG manipulation belong in SIL. This is
just what's necessary to fix SILCloner.
 2018-10-22 08:34:57 -07:00
Andrew Trick
2ccc089b27 SILGenFunction::mergeCleanupBlocks. 
Avoid emitting unnecessary basic block for cleanup chains. This is a
general approach that handles all cases while simplifying SILGen
emission and keeping the CFG in a valid state during SILGen.
 2018-10-19 22:22:23 -07:00
Erik Eckstein
6377cc095a SIL: Replace TransitivelyUnreachableBlocks with DeadEndBlocks 
We had both utilities doing the same thing.
NFC
 2017-07-24 09:50:42 -07:00