llvm-project
2e68ba99 - [DAG] visitADDLike - update "(x - y) + -1 -> add (xor y, -1), x" fold to accept UNDEF in a splat vector of -1

Commit

1 year ago

[DAG] visitADDLike - update "(x - y) + -1 -> add (xor y, -1), x" fold to accept UNDEF in a splat vector of -1 Make sure we use getNOT instead of reusing the allones (with undefs) vector

Author

RKSimon

Committer

RKSimon

Parents

7fbdadb6

llvm-project 2e68ba99 - [DAG] visitADDLike - update "(x - y) + -1 -> add (xor y, -1), x" fold to accept UNDEF in a splat vector of -1

llvm-project
2e68ba99 - [DAG] visitADDLike - update "(x - y) + -1 -> add (xor y, -1), x" fold to accept UNDEF in a splat vector of -1