[x86] Tighten the assertions to document that canonicalization has
authorChandler Carruth <chandlerc@gmail.com>
Wed, 18 Feb 2015 11:46:29 +0000 (11:46 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Wed, 18 Feb 2015 11:46:29 +0000 (11:46 +0000)
commita5cc501201bdc2557cf2cfd917c7f9fae5618727
tree7d7ecff51c00a392a832c6b48706e65d013d0cda
parent406928ebbae897a63f4fefa8944ef9f5d6c80b53
[x86] Tighten the assertions to document that canonicalization has
actually removed all but a *very* small number of choices for v2i64.
Also remove dead code handling cases that simply cannot arise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229670 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp