[llvm-bugs] [Bug 51381] New: Request to cherry-pick fix for crash when vectorising loops with intrinsics to the LLVM 13 release branch.

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Aug 6 05:06:15 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=51381

            Bug ID: 51381
           Summary: Request to cherry-pick fix for crash when vectorising
                    loops with intrinsics to the LLVM 13 release branch.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Loop Optimizer
          Assignee: unassignedbugs at nondot.org
          Reporter: david.sherwood at arm.com
                CC: llvm-bugs at lists.llvm.org

This is the patch to cherry-pick:

https://reviews.llvm.org/rG3fd96e1b2e12

This fixes a crash in llvm/lib/Transforms/Vectorize/LoopVectorize.cpp when
trying to perform scalable vectorisation of loops containing certain intrinsic
calls. The patch should be low risk.

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