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undef in the shuffle mask. This shows up when we're printing comments during lowering and we still have an IR-level constant hanging around that models undef. A nice consequence of this is *much* prettier test cases where the undef lanes actually show up as undef rather than as a particular set of values. This also allows us to print shuffle comments in cases that use undef such as the recently added variable VPERMILPS lowering. Now those test cases have nice shuffle comments attached with their details. The shuffle lowering for PSHUFB has been augmented to use undef, and the shuffle combining has been augmented to comprehend it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218301 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
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TestRunner.sh |