llvm-project

97c71247 - [InstCombine] Regard zext nneg as sext when folding add(zext neg(add)) (#88887)

[InstCombine] Regard zext nneg as sext when folding add(zext neg(add)) (#88887) fixes #88348 proof: https://alive2.llvm.org/ce/z/fJnM7t test will be added later --------- Signed-off-by: ZelinMa557 <3388706467@qq.com>