It wasn't until the middle of 2012 that IBM viewed LLVM as being "critical" to support but since then they have decided to fully support LLVM across all IBM server platforms. Last week in Paris at the European LLVM Meeting, one of their developers talked about the tipping point in supporting LLVM on IBM hardware and their current development status...
May 7, 2013
Why IBM Now Views LLVM As Being Critical Software
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