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...rked around this limitation by explicitly extending the mask. The SEXT canonicalization reverted the code pattern that ISPC generated. Thanks, Nadav -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20131022/f6e399de/attachment.html>

Nadav, You are right, ISPC may issue intrinsics as a result of AST selection. Though I believe that we should stick to LLVM IR whenever is possible. Intrinsics may appear to be boundaries for optimizations (on both data and control flow) and are generally not optimizable. LLVM may improve over time from performance stand point and we would benefit from it (or it may play against us, like in this