name: PGO Build

on:
  workflow_dispatch:
  schedule:
    - cron: '0 2 * * 0'

jobs:
  pgo-build:
    name: Profile-Guided Optimization Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc make python3

      - name: Clean previous builds
        run: make clean

      - name: Generate profile data
        run: make test_benchmark_pgo_gen

      - name: Run profiling passes
        run: |
          ./test_benchmark_pgo
          ./test_benchmark_pgo
          ./test_benchmark_pgo

      - name: Build with PGO
        run: |
          gcc -Wall -Wextra -std=gnu99 -O3 -march=native -I. -fprofile-use -fprofile-correction \
            -o test_benchmark_pgo \
            lexer/lexer_tokenizer.c lexer/lexer_keywords.c lexer/lexer_literals.c \
            parser/parser.c parser/parser_expressions.c parser/parser_statements.c parser/parser_declarations.c parser/parser_printer.c \
            types/types.c \
            semantic/symbol_table.c semantic/semantic.c \
            ir/ir.c ir/ir_gen.c \
            runtime/runtime.c runtime/labeltable.c runtime/methodcache.c runtime/fastframe.c runtime/superinst.c \
            tests/test_benchmark.c \
            -ldl

      - name: Run PGO benchmark
        run: ./test_benchmark_pgo

      - name: Upload PGO binary
        uses: actions/upload-artifact@v4
        with:
          name: rava-pgo
          path: test_benchmark_pgo