tree bcb1a6c4ce979a6403646d9c586fc97862b38d8c
parent 1d0164e7ac8d1e23680a2c5139ba7b38af5b31c3
author Bill Wendling <isanbard@gmail.com> 1386367933 +0000
committer Bill Wendling <isanbard@gmail.com> 1386367933 +0000

Merging r196611:
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r196611 | dexonsmith | 2013-12-06 13:48:36 -0800 (Fri, 06 Dec 2013) | 5 lines

Don't use isNullValue to evaluate ConstantExpr

ConstantExpr can evaluate to false even when isNullValue gives false.

Fixes PR18143.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196614 91177308-0d34-0410-b5e6-96231b3b80d8