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ca68a3ec47
a function's CFG when that CFG is unchanged. This allows transformation passes to simply claim they preserve the CFG and analysis passes to check for the CFG being preserved to remove the fanout of all analyses being listed in all passes. I've gone through and removed or cleaned up as many of the comments reminding us to do this as I could. Differential Revision: https://reviews.llvm.org/D28627 llvm-svn: 292054
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