tests: link upstream tests from llvm-toolset components

Related: rhbz#2001132

.fmf/version

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+1

tests/build-gating-alternatives.fmf

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+#
+# Build/PR gating tests for *LLVM 13*
+#
+# Imports and runs tests provided by Fedora LLVM git for the matching LLVM version.
+#
+# NOTE: *always* keep this file in sync with upstream, i.e. Fedora. Since we cannot "discover" a plan,
+# we must duplicate at least some part of upstream plan setup, like `adjust` or `provision`. Not necessarily
+# all steps, but if we do need some of them here, let's focus on making changes in upstream first, to preserve
+# one source of truth. Once TMT learns to include whole plans, we could drop the copied content from here.
+#
+
+summary: LLD tests for build/PR gating, testing alternatives and spoiling the installation
+adjust:
+  - because: "Plan to be ran when either executed locally, or executed by CI system to gate a build or PR."
+    when: >-
+      trigger is defined
+      and trigger != commit
+      and trigger != build
+    enabled: false
+
+  - because: "When testing SCL-ized LLVM, the collection must be enabled first"
+    environment+:
+      WITH_SCL: "scl enable llvm-toolset-13.0"
+    when: "collection == llvm-toolset-13.0"
+
+discover:
+    - name: lld-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/lld.git
+      ref: rawhide
+      test: ld-alternative
+execute:
+    how: tmt
+provision:
+  hardware:
+    memory: ">= 4 GiB"

tests/build-gating-libomp.fmf

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+#
+# Build/PR gating tests for *LLVM 13*
+#
+# Imports and runs tests provided by Fedora LLVM git for the matching LLVM version.
+#
+# NOTE: *always* keep this file in sync with upstream, i.e. Fedora. Since we cannot "discover" a plan,
+# we must duplicate at least some part of upstream plan setup, like `adjust` or `provision`. Not necessarily
+# all steps, but if we do need some of them here, let's focus on making changes in upstream first, to preserve
+# one source of truth. Once TMT learns to include whole plans, we could drop the copied content from here.
+#
+
+summary: libomp clang tests for build/PR gating
+adjust:
+  - because: "Plan to be ran when either executed locally, or executed by CI system to gate a build or PR."
+    when: >-
+      trigger is defined
+      and trigger != commit
+      and trigger != build
+    enabled: false
+
+  - because: "When testing SCL-ized LLVM, the collection must be enabled first"
+    environment+:
+      WITH_SCL: "scl enable llvm-toolset-13.0"
+    when: "collection == llvm-toolset-13.0"
+
+  - because: "libomp not supported in s390x"
+    when: arch == s390x
+    enabled: false
+
+discover:
+    - name: clang-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/clang.git
+      ref: rawhide
+      test: libomp
+execute:
+    how: tmt
+prepare:
+    # We want to make sure libomp is not already present on the system to ensure
+    # that clang pulls in the correct libomp dependencies when it is installed.
+    - name: Drop libomp
+      how: shell
+      script: |
+        yum erase -y libomp libomp-devel clang clang-libs
+provision:
+  hardware:
+    memory: ">= 4 GiB"

tests/build-gating.fmf

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+#
+# Build/PR gating tests for *LLVM 13*
+#
+# Imports and runs tests provided by Fedora LLVM git for the matching LLVM version.
+#
+
+summary: LLVM tests for build/PR gating
+
+adjust:
+  - because: "Plan to be ran when either executed locally, or executed by CI system to gate a build or PR."
+    when: >-
+      trigger is defined
+      and trigger != commit
+      and trigger != build
+    enabled: false
+
+  # Unfortunately, TMT does not support more declarative approach, we need to run commands on our own.
+  - because: "On RHEL, CRB must be enabled to provide rarer packages"
+    prepare+:
+      - name: Enable CRB
+        how: shell
+        script: dnf config-manager --set-enabled rhel-CRB
+    when: >-
+      distro == centos
+      or distro == rhel-9
+      or distro == rhel-8
+
+discover:
+    - name: llvm-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/llvm.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: clang-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/clang.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: python-lit-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/python-lit.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: lldb-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/lldb.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: lld-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/lld.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: libomp-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/libomp.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+    - name: compiler-rt-upstream
+      how: fmf
+      url: https://src.fedoraproject.org/rpms/compiler-rt.git
+      ref: rawhide
+      filter: "tag:-spoils-installation & tag:-not-in-default"
+
+execute:
+    how: tmt
+
+provision:
+  hardware:
+    memory: ">= 4 GiB"