Add `llvm:instcombine` label to PRs touching InstCombine or InstSimplify. (We track InstSimplify issues under `llvm:instcombine` as well, so I added it here as well.)
Add `llvm:instcombine` label to PRs touching InstCombine or InstSimplify. (We track InstSimplify issues under `llvm:instcombine` as well, so I added it here as well.)