llvm-project

6600ad09 - [Clang][RISCV] packed reduction sum intrinsics (#206441)

[Clang][RISCV] packed reduction sum intrinsics (#206441) Add the __riscv_predsum/predsumu_* header wrappers over new __builtin_riscv_* builtins, lowering to the llvm.riscv.predsum/predsumu intrinsics.