[llvm-bugs] [Bug 46851] New: [X86][SSE] Convert ABS/MIN/MAX intrinsics to emit llvm equivalents?

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Jul 25 11:26:48 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=46851

            Bug ID: 46851
           Summary: [X86][SSE] Convert ABS/MIN/MAX intrinsics to emit llvm
                    equivalents?
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: craig.topper at gmail.com, lebedev.ri at gmail.com,
                    llvm-bugs at lists.llvm.org, llvm-dev at redking.me.uk,
                    spatel+llvm at rotateright.com

The SSE ABS/MIN/MAX intrinsics currently get expanded to generic compare/select
patterns inside CGBuiltin - do we want to keep this behaviour or should we move
to emitting the new llvm abs/min/min intrinsics?

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