Merge branch 'ir_dev' into 'main'

.gitignore

Cargo.lock

hercules_codegen/Cargo.toml

hercules_codegen/src/antideps.rs

hercules_codegen/src/array_alloc.rs

hercules_codegen/src/cpu_alpha.rs

hercules_codegen/src/gcm.rs

hercules_codegen/src/lib.rs

hercules_ir/src/dom.rs

hercules_ir/src/ir.rs

hercules_ir/src/lib.rs

hercules_ir/src/parse.rs

hercules_ir/src/subgraph.rs

hercules_ir/src/typecheck.rs

hercules_opt/src/ccp.rs

hercules_tools/src/hercules_cpu/main.rs

hercules_tools/src/hercules_dot/dot.rs

hercules_tools/src/hercules_dot/main.rs

samples/fork_join.hir

samples/strset.hir