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authorChris Lattner <sabre@nondot.org>2005-03-26 22:43:20 +0000
committerChris Lattner <sabre@nondot.org>2005-03-26 22:43:20 +0000
commitb3baff18300d7fbbb7244147fad18b09c6ab7985 (patch)
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parent68ee8f572c1903461b815cc24a9b496045fefec9 (diff)
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Teach steens-aa two things about mod/ref information:
1. If memory never escapes the program, it cannot be mod/ref'd by external functions. 2. If memory is global never mod/ref'd in the program, it cannot be mod/ref'd by any call. llvm-svn: 20867
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