Chris Lattner ce8c62665a Disable tail duplication of call instructions. The cost ...

metric is way off for these in general, and this works around
buggy code like that in PR1764.  we'll see if there is a big
performance impact of this.  If so, I'll revert it tomorrow.

llvm-svn: 43668

2007-11-04 06:37:55 +00:00

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