Nadav Rotem
eb22b069bb
During the CodeGenPrepare we often lower intrinsics (such as objsize) ...
and allow some optimizations to turn conditional branches into unconditional.
This commit adds a simple control-flow optimization which merges two consecutive
basic blocks which are connected by a single edge. This allows the codegen to
operate on larger basic blocks.
rdar://11973998
llvm-svn: 161852
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eb22b069bb