llvm-project

ed5bd238 - Revert "Reland "RegisterCoalescer: Add implicit-def of super register when coalescing SUBREG_TO_REG" (#134408)"

Revert "Reland "RegisterCoalescer: Add implicit-def of super register when coalescing SUBREG_TO_REG" (#134408)" This reverts commit bae8f1336db6a7f3288a7dcf253f2d484743b257. Some issues were found: * https://github.com/llvm/llvm-project/issues/151768 * https://github.com/llvm/llvm-project/issues/151592 * https://github.com/llvm/llvm-project/pull/134408#issuecomment-3145468321 * https://github.com/llvm/llvm-project/issues/151888#issuecomment-3149286820 I'll revert this for the time being while I investigate.