[PATCH] Add a flag to experiment with outlining optional branches.

[Xinliang David Li]

If I read the change correctly,  'B' block in the following case can not be
outlined. Is it intended?

David

if (cond1) {
    A
    if (cond2) {

         B
     }
    C
    ...
}
else {
   D
}

On Tue, Mar 3, 2015 at 10:46 PM, Daniel Jasper <djasper at google.com> wrote:

> Re-add the test.
>
>
> http://reviews.llvm.org/D7719
>
> Files:
>   lib/CodeGen/MachineBlockPlacement.cpp
>   test/CodeGen/X86/code_placement_outline_optional_branches.ll
>
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