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[X86][SSE] Add sitofp(shl(sext(x),y)) test case with non-uniform shift value
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 13 Jan 2020 17:20:36 +0000 (17:20 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Mon, 13 Jan 2020 17:34:40 +0000 (17:34 +0000)
commitffc05d0dbc88b89756d553ff32abefe720d27742
treeb61f1e74b87623ebc5a7657635676a9f65627c38tree | snapshot
parent9d30d769041b14c0ff29770d59027e679e6b7edccommit | diff
[X86][SSE] Add sitofp(shl(sext(x),y)) test case with non-uniform shift value

Shows that for non-uniform SHL shifts we fail to determine the minimum number of sign bits remaining (based off the maximum shift amount value)
llvm/test/CodeGen/X86/known-signbits-vector.ll diff | blob | history
Domain: System / Toolchain;