https://bugs.llvm.org/show_bug.cgi?id=42997
Bug ID: 42997
Summary: [X86] test_sext_4i16_to_4i64 in
test/Transforms/SLPVectorizer/X86/sext.ll only half
vectorized on avx1 target
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: craig.top...@gmail.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, spatel+l...@rotateright.com
This test case loads 4 i8 values and zero extends them to i64. We are forming
one v2i8 vector for the first two loads. But using scalar loads for the other 2
loads.
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