Added constant index tests for all 256-bit integer vector types (touching lower / upper 128-bits)
Added variable index tests for all 256-bit integer vector types
Added out-of-range index tests for all 256-bit integer vector types
llvm-svn: 269600
Summary: This patch correctly handles undef case of EXTRACT_VECTOR_ELT node where the element index is constant and not less than vector size.
Test Plan:
CodeGen for X86 test included.
Also one incorrect regression test fixed.
Reviewers: qcolombet, chandlerc, hfinkel
Reviewed By: hfinkel
Subscribers: hfinkel, llvm-commits
Differential Revision: http://reviews.llvm.org/D9250
llvm-svn: 236584