Merge branch 'ir_dev' into 'main'

Cargo.lock

Cargo.toml

IR.md

hercules_cg/Cargo.toml

hercules_cg/src/antideps.rs

hercules_cg/src/cpu_beta.rs

hercules_cg/src/gcm.rs

hercules_cg/src/lib.rs

hercules_codegen/src/array_alloc.rs

hercules_codegen/src/cpu_alpha.rs

hercules_ir/src/build.rs

hercules_ir/src/dataflow.rs

hercules_ir/src/def_use.rs

hercules_ir/src/ir.rs

hercules_ir/src/parse.rs

hercules_ir/src/subgraph.rs

hercules_ir/src/typecheck.rs

hercules_ir/src/verify.rs

hercules_opt/src/ccp.rs

hercules_tools/hercules_cpu/Cargo.toml