[llvm-bugs] [Bug 46915] New: analysis for min/max/abs intrinsics

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Jul 30 10:05:26 PDT 2020


            Bug ID: 46915
           Summary: analysis for min/max/abs intrinsics
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: spatel+llvm at rotateright.com
                CC: llvm-bugs at lists.llvm.org

We recently added IR intrinsics for min/max/abs, and there are several areas
that need to be updated to support and optimize these. Please comment here if
you are or are planning to work on any part of this, so we do not duplicate

Partial list:
 * ConstantFolding
 * ValueTracking
 * InstSimplify
 * InstCombine
 * PatternMatch
 * DemandedBits
 * Vectorization 
 * Cost Modeling
 * IndVars

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