search for: c_sext

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2016 Jul 19
3
X86ISelLowering: Promote 'add nsw' to a wider type
Hi Sanjay, Some time ago you implemented a sext(add_nsw(x, C)) --> add(sext(x), C_sext) transformation in X86ISelLowering https://reviews.llvm.org/D13757 Is there any reason why this transformation is limited to sexts and doesn’t support zexts? Thanks, Artur -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/a...
2016 Aug 08
2
X86ISelLowering: Promote 'add nsw' to a wider type
...e them harder. Are there bug reports for the cases that you are looking at? On Tue, Jul 19, 2016 at 9:13 AM, Artur Pilipenko <apilipenko at azulsystems.com<mailto:apilipenko at azulsystems.com>> wrote: Hi Sanjay, Some time ago you implemented a sext(add_nsw(x, C)) --> add(sext(x), C_sext) transformation in X86ISelLowering https://reviews.llvm.org/D13757 Is there any reason why this transformation is limited to sexts and doesn’t support zexts? Thanks, Artur -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev...