| commit | f5ebfb0d2852e70f11ca7b8d11f704a1378756d8 | [log] [tgz] |
|---|---|---|
| author | Chris Lattner <sabre@nondot.org> | Fri Feb 18 04:25:21 2011 +0000 |
| committer | Chris Lattner <sabre@nondot.org> | Fri Feb 18 04:25:21 2011 +0000 |
| tree | 6b696c06800385fb0c4bd786cb820a98807f9687 | |
| parent | 90d238ce8aa68c4ecb9a8d038ba09f263acf4305 [diff] |
Don't unroll loops whose header block's address is taken.
This is part of a futile attempt to not "break" bizzaro
code like this:
l1:
printf("l1: %p\n", &&l1);
++x;
if( x < 3 ) goto l1;
Previously we'd fold &&l1 to 1, which is fine per our semantics
but not helpful to the user.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125827 91177308-0d34-0410-b5e6-96231b3b80d8