Jakob Stoklund Olesen c5c4e96f3e Revert remaining part of r93200: "Disable folding sext(trunc(x)) -> x"
This fixes PR5997.

These transforms were disabled because codegen couldn't deal with other
uses of trunc(x). This is now handled by the peephole pass.

This causes no regressions on x86-64.

llvm-svn: 159003
2012-06-22 16:36:43 +00:00
..
2012-06-20 21:19:39 +00:00
2012-04-03 23:09:22 +00:00
2012-05-17 21:07:47 +00:00