[llvm-bugs] [Bug 33993] New: Assertion failed: ((Size == 32 || Size == 64) && "i32 or i64 is expected after legalization."), function targetShrinkDemandedConstant

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https://bugs.llvm.org/show_bug.cgi?id=33993

            Bug ID: 33993
           Summary: Assertion failed: ((Size == 32 || Size == 64) && "i32
                    or i64 is expected after legalization."), function
                    targetShrinkDemandedConstant
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: ahmed.bougacha at gmail.com
                CC: llvm-bugs at lists.llvm.org

r301019 exposed a bug in performTBISimplification, where it passed the wrong
legality information to SimplifyDemandedBits.

This is only enabled with -aarch64-use-tbi, so most clang users aren't exposed
to this bug.

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