InstCombine: Don't assume DataLayout is always available
authorDavid Majnemer <david.majnemer@gmail.com>
Mon, 24 Nov 2014 07:26:20 +0000 (07:26 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Mon, 24 Nov 2014 07:26:20 +0000 (07:26 +0000)
commit4a9d304d9d89f534479ebaffdb8baf2f4d095f96
treed86798470a24c38a3c75bc1eec214c306e84d214
parent5deb1bf97fbe56de1c8c9aab32f11fdac4f2a5fb
InstCombine: Don't assume DataLayout is always available

We tried to get the result of DataLayout::getLargestLegalIntTypeSize but
we didn't have a DataLayout.  This resulted in opt crashing.

This fixes PR21651.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222645 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstructionCombining.cpp
test/Transforms/InstCombine/pr21651.ll [new file with mode: 0644]