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The corresponding CFE patch replaces these intrinsics with vector initializers in avxintrin.h. This patch removes the LLVM intrinsics from the backend. We now stop lowering at X86ISD::VBROADCAST custom node rather than lowering that further to the intrinsics. The patch only changes VBROADCASTS* and leaves VBROADCAST[FI]128 to continue to use intrinsics. As explained in the CFE patch, the reason is that we currently don't generate as good code for them without the intrinsics. CodeGen/X86/avx-vbroadcast.ll already provides coverage for this change. It checks that for a series of insertelements we generate the appropriate vbroadcast instruction. Also verified that there was no assembly change in the test-suite before and after this patch. llvm-svn: 209864 |
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