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nodes when folding bitcasts of constants. We can't fold things and then check after-the-fact whether it was legal. Once we have formed the DAG node, arbitrary other nodes may have been collapsed to it. There is no easy way to go back. Instead, we need to test for the specific folding cases we're interested in and ensure those are legal first. This could in theory make this less powerful for bitcasting from an integer to some vector type, but AFAICT, that can't actually happen in the SDAG so its fine. Now, we *only* whitelist specific int->fp and fp->int bitcasts for post-legalization folding. I've added the test case from the PR. (Also as a note, this does not appear to be in 3.6, no backport needed) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228656 91177308-0d34-0410-b5e6-96231b3b80d8
Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301
Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301
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