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[X86][SSE] Add support for combining v2f64 target shuffles to VZEXT_MOVL byte rotations
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 16 Aug 2016 12:52:06 +0000 (12:52 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 16 Aug 2016 12:52:06 +0000 (12:52 +0000)
commit066b7e86f73fb200e56d3c8ddac6fb4f1b66709c
tree2e7e7f1c6ee8685cad607a58ac9085774a81094etree | snapshot
parentfcc2de8d5462d1483005f38bcd4fbe97c3cbfa23commit | diff
[X86][SSE] Add support for combining v2f64 target shuffles to VZEXT_MOVL byte rotations

The combine was only matching v2i64 as it assumed lowering to MOVQ - but we have v2f64 patterns that match in a similar fashion

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278794 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/vector-shuffle-combining.ll diff | blob | history
external/llvm
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