Tim Northover 95b6d5f2b1 GlobalISel: don't emit degenerate G_INSERT instructions. ... Before, we were producing G_INSERT instructions that were actually closer to a cast or even a COPY when both input and output sizes are the same. This doesn't really make sense and means that everything interpreting a G_INSERT also has to handle all these kinds of casts. So now we detect these degenerate cases and emit real casts instead. llvm-svn: 297051		2017-03-06 19:04:17 +00:00
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llvm	GlobalISel: don't emit degenerate G_INSERT instructions.	2017-03-06 19:04:17 +00:00
llvm-c	[GVN] Initial check-in of a new global value numbering algorithm.	2016-12-22 16:03:48 +00:00