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(parent: ff372dc) | patch
ARM: Improve pattern for isel mul of vector by scalar.
authorJim Grosbach <grosbach@apple.com>
Thu, 29 Aug 2013 22:41:46 +0000 (22:41 +0000)
committerJim Grosbach <grosbach@apple.com>
Thu, 29 Aug 2013 22:41:46 +0000 (22:41 +0000)
commit88acef0b8e93d065aa4de164422ce4c546a7cd5f
treed062d7830b9109b7951bc1e8658ebc32d518574ctree | snapshot
parentff372dc18d0d569cbcfb7346eb891d6a96219043commit | diff
ARM: Improve pattern for isel mul of vector by scalar.

In addition to recognizing when the multiply's second argument is
coming from an explicit VDUPLANE, also look for a plain scalar
f32 reference and reference it via the corresponding vector
lane.

rdar://14870054

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189619 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMInstrNEON.td diff | blob | history
test/CodeGen/ARM/vmul.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors