John McCall a95172baa0 Only run the jump-checker if there's a branch-protected scope *and* there's ...

a switch or goto somewhere in the function.  Indirect gotos trigger the
jump-checker regardless, because the conditions there are slightly more
elaborate and it's too marginal a case to be worth optimizing.

Turns off the jump-checker in a lot of cases in C++.  rdar://problem/7702918

llvm-svn: 109962

2010-08-01 00:26:45 +00:00

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