Sanjoy Das 93d608c3c3 [ImplicitNullChecks] Work with implicit defs. ...

Summary:
This change generalizes the implicit null checks pass to work with
instructions that don't have any explicit register defs.  This lets us
use X86's `cmp` against memory as faulting load instructions.

Reviewers: reames, JosephTremoulet

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11286

llvm-svn: 242703

2015-07-20 20:31:39 +00:00

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