Merge branch 'rt' into 'main'

.gitignore

Cargo.lock

Cargo.toml

hercules_cg/src/cpu_beta.rs

hercules_rt/Cargo.toml

hercules_rt/src/elf.rs

hercules_rt/src/lib.rs

hercules_samples/ccp_example.hir

hercules_samples/fork_join.hir

hercules_samples/gvn_example.hir

hercules_samples/invalid/bad_phi.hir

hercules_samples/invalid/bad_phi2.hir

hercules_samples/matmul/Cargo.toml

hercules_samples/matmul/matmul.hir

hercules_samples/matmul/src/main.rs

hercules_samples/simple1.hir

hercules_samples/strset.hir