| Issue |
177568
|
| Summary |
[ValueTracking] computeKnownBitsFromOperator - should we move target intrinsic handling into target hooks?
|
| Labels |
llvm:instcombine,
llvm:analysis
|
| Assignees |
|
| Reporter |
RKSimon
|
computeKnownBitsFromOperator currently handles a number of x86/riscv intrinsics and I'm intending to add handling for more x86 intrinsics in the coming months.
Before this work begins, should we instead move to a TTI hook, similar to what we do with X86TTIImpl::simplifyDemandedUseBitsIntrinsic etc?
At the moment x86 intrinsic constant folding is spread out across computeKnownBitsFromOperator / simplifyDemandedUseBitsIntrinsic / instCombineIntrinsic :(
CC @nikic @dtcxzyw
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