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SelectionDAG: Optimize expansion of vec_type = BITCAST scalar_type
authorTom Stellard <thomas.stellard@amd.com>
Fri, 22 Nov 2013 00:41:05 +0000 (00:41 +0000)
committerTom Stellard <thomas.stellard@amd.com>
Fri, 22 Nov 2013 00:41:05 +0000 (00:41 +0000)
commit0ffcaa0d547035e2b51bc9bc147150960b70721a
tree1782cd23db8e6854c6b36568959d1942dda65f62tree | snapshot
parentb7bad852f404f562f93e9add3e0ef8977eb3c677commit | diff
SelectionDAG: Optimize expansion of vec_type = BITCAST scalar_type

The legalizer can now do this type of expansion for more
type combinations without loading and storing to and
from the stack.

NOTE: This is a candidate for the 3.4 branch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195398 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeTypes.h diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp diff | blob | history
test/CodeGen/R600/vselect64.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors