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Chris Lattner 7cee6ddcd8 give branch folding a simple heuristic to decide which block to split so that
it inserts an uncond branch where it is less likely to cause a problem.  This
fixes some perf issues on ppc.

llvm-svn: 31354
2006-11-01 19:36:29 +00:00
llvm give branch folding a simple heuristic to decide which block to split so that 2006-11-01 19:36:29 +00:00