Michael Kuperstein 1a66dc7468 [X86] Fix pattern match for 32-to-64-bit zext in the presence of AssertSext
This fixes an issue with matching trunc -> assertsext -> zext on x86-64, which would not zero the high 32-bits.
See PR20494 for details.

Differential Revision: http://reviews.llvm.org/D6128

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221626 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-10 20:40:21 +00:00
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2014-10-21 23:01:01 +00:00
2014-10-21 23:01:01 +00:00