http://llvm.org/bugs/show_bug.cgi?id=6193
Summary: crash in instcombine in MatchSelectFromAndOr
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Blocks: 5511
Testcase:
define i32 @x(i32 %aMaskWidth, i8 %aStride) nounwind {
entry:
%conv41 = sext i8 %aStride to i32
%neg = xor i32 %conv41, -1
%and42 = and i32 %aMaskWidth, %neg
%and47 = and i32 130, %conv41
%or = or i32 %and42, %and47
ret i32 %or
}
Currently crashes with opt -instcombine. I think there's an issue involving
r94339 ("change the canonical form of 'cond ? -1 : 0' to be 'sext cond' instead
of a select").
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