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(parent: 1484904) | patch
DAGCombiner: Make the post-legalize vector op optimization more aggressive.
authorBenjamin Kramer <benny.kra@googlemail.com>
Thu, 21 Feb 2013 15:24:35 +0000 (15:24 +0000)
committerBenjamin Kramer <benny.kra@googlemail.com>
Thu, 21 Feb 2013 15:24:35 +0000 (15:24 +0000)
commitf31bd0f7d92fdab64a478ccf6497e887d454d4af
tree413ec8d6c84a1e3594fa0b784bffb3858d373599tree | snapshot
parent14849048076c32c427948df569435f2d4e5dbfd2commit | diff
DAGCombiner: Make the post-legalize vector op optimization more aggressive.

A legal BUILD_VECTOR goes in and gets constant folded into another legal
BUILD_VECTOR so we don't lose any legality here. The problematic PPC
optimization that made this check necessary was fixed recently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175759 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/sse2-blend.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors