[PATCH] [llvm] Let Intrinsics.h depend only on the relevant part of Intrinsics.gen (NFC, part of the fix for bug#11951)

[Levon Manukyan]

The current use model of tblgen is to write a single output file 
specified through the -o option. The file is opened by the 
llvm::TableGenMain() function and reaches the emitting code as 
raw_ostream&, which prevents the emitting code from writing additional 
output files with their names derived from the name of the primary 
output file.

On 5/29/2015 12:49 AM, Reid Kleckner wrote:
> I agree we should do this, but why don't we just change tblgen to output multiple intrinsics files?
>
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> http://reviews.llvm.org/D10073
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