Enhance workflow procedure

This patch enhances workflow procedure by separating each critical
checks from single step to multiple steps, allows developers and
reviewers to better locate which check fails instead of checking
raw output log.

Author: ChAoSUnItY

.github/workflows/main.yml

@@ -10,26 +10,32 @@ jobs:
         compiler: [gcc, clang]
         architecture: [arm, riscv]
     steps:
-      - name: checkout code
+      - name: Checkout code
         uses: actions/checkout@v4
-      - name: build artifact
-        env:
-          CC: ${{ matrix.compiler }}
+      - name: Download dependencies
         run: |
           sudo apt-get update -q -y
           sudo apt-get install -q -y graphviz jq
           sudo apt-get install -q -y qemu-user
           sudo apt-get install -q -y build-essential
+      - name: Build artifacts
+        env:
+          CC: ${{ matrix.compiler }}
+        run: |
           make distclean config ARCH=${{ matrix.architecture }}
+      - name: IR regression tests
+        run: |
           make check-snapshot || exit 1
+      - name: Unit tests
+        run: |
           make check || exit 1
 
   host-arm:
     runs-on: ubuntu-24.04
     steps:
-    - name: checkout code
+    - name: Checkout code
       uses: actions/checkout@v4
-    - name: build artifact
+    - name: Build artifacts
       # The GitHub Action for non-x86 CPU
       # https://github.com/uraimo/run-on-arch-action
       uses: uraimo/run-on-arch-action@v3
@@ -48,7 +54,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@v4
-    - name: coding convention
+    - name: Coding convention
       run: |
             sudo apt-get install -q -y clang-format-18
             .ci/check-newline.sh