https://llvm.org/bugs/show_bug.cgi?id=31023
Bug ID: 31023
Summary: Merge r276347 to 3.9.1
Product: new-bugs
Version: 3.9
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: guy.bl...@intel.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
[X86] Do not use AND8ri8 in AVX512 pattern
This variant is (as documented in the TD) for disassembler use only, and should
not be used in patterns - it is longer, and is broken on 64-bit.
----
Without this change, illegal instructions could be generated.
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