Chris Lattner 2ab6a7358e Add support to the loop canonicalization pass to make it transform loops to
have a SINGLE backedge.  This is useful to, for example, the -indvars pass.

This implements testcase LoopSimplify/single-backedge.ll and closes PR#34


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9065 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-13 00:37:13 +00:00
2003-10-12 22:26:42 +00:00
2003-10-10 19:12:45 +00:00
2003-10-07 20:50:29 +00:00
2003-06-04 19:46:36 +00:00
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Old fork of llvm-mirror, used on older RPCS3 builds
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