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#### 7.2.6 Commands for use in `dg-final`

The GCC testsuite defines the following directives to be used within `dg-final`.

#### 7.2.6.1 Scan a particular file

`scan-file filename regexp [{ target/xfail selector }]`

  Passes if regexp matches text in filename.

`scan-file-not filename regexp [{ target/xfail selector }]`

  Passes if regexp does not match text in filename.

`scan-module module regexp [{ target/xfail selector }]`

  Passes if regexp matches in Fortran module module.

#### 7.2.6.2 Scan the assembly output

`scan-assembler regex [{ target/xfail selector }]`

  Passes if regex matches text in the test’s assembler output.

`scan-assembler-not regex [{ target/xfail selector }]`

  Passes if regex does not match text in the test’s assembler output.

`scan-assembler-times regex num [{ target/xfail selector }]`

  Passes if regex is matched exactly num times in the test’s assembler output.

`scan-assembler-dem regex [{ target/xfail selector }]`

  Passes if regex matches text in the test’s demangled assembler output.

`scan-assembler-dem-not regex [{ target/xfail selector }]`

  Passes if regex does not match text in the test’s demangled assembler output.

`scan-hidden symbol [{ target/xfail selector }]`

  Passes if symbol is defined as a hidden symbol in the test’s assembly output.

`scan-not-hidden symbol [{ target/xfail selector }]`

  Passes if symbol is not defined as a hidden symbol in the test’s assembly output.

#### 7.2.6.3 Scan optimization dump files

These commands are available for kind of `tree`, `rtl`, and `ipa`.

`scan-kind-dump regex suffix [{ target/xfail selector }]`

  Passes if regex matches text in the dump file with suffix suffix.

`scan-kind-dump-not regex suffix [{ target/xfail selector }]`

  Passes if regex does not match text in the dump file with suffix suffix.

`scan-kind-dump-times regex num suffix [{ target/xfail selector }]`

  Passes if regex is found exactly num times in the dump file with suffix suffix.

`scan-kind-dump-dem regex suffix [{ target/xfail selector }]`

  Passes if regex matches demangled text in the dump file with suffix suffix.

`scan-kind-dump-dem-not regex suffix [{ target/xfail selector }]`

  Passes if regex does not match demangled text in the dump file with suffix suffix.

#### 7.2.6.4 Verify that an output files exists or not

`output-exists [{ target/xfail selector }]`

  Passes if compiler output file exists.

`output-exists-not [{ target/xfail selector }]`

  Passes if compiler output file does not exist.

#### 7.2.6.5 Check for LTO tests

`scan-symbol regexp [{ target/xfail selector }]`

  Passes if the pattern is present in the final executable.

#### 7.2.6.6 Checks for `gcov` tests

`run-gcov sourcefile`

  Check line counts in `gcov` tests.

`run-gcov [branches] [calls] { opts sourcefile }`

  Check branch and/or call counts, in addition to line counts, in `gcov` tests.

#### 7.2.6.7 Clean up generated test files

`cleanup-coverage-files`

  Removes coverage data files generated for this test.

`cleanup-ipa-dump suffix`

  Removes IPA dump files generated for this test.

`cleanup-modules "list-of-extra-modules"`

  Removes Fortran module files generated for this test, excluding the module names listed in keep-modules. Cleaning up module files is usually done automatically by the testsuite by looking at the source files and removing the modules after the test has been executed.

      module MoD1
      end module MoD1
      module Mod2
      end module Mod2
      module moD3
      end module moD3
      module mod4
      end module mod4
      ! { dg-final { cleanup-modules "mod1 mod2" } } ! redundant
      ! { dg-final { keep-modules "mod3 mod4" } }

`keep-modules "list-of-modules-not-to-delete"`

  Whitespace separated list of module names that should not be deleted by cleanup-modules. If the list of modules is empty, all modules defined in this file are kept.

      module maybe_unneeded
      end module maybe_unneeded
      module keep1
      end module keep1
      module keep2
      end module keep2
      ! { dg-final { keep-modules "keep1 keep2" } } ! just keep these two
      ! { dg-final { keep-modules "" } } ! keep all

`cleanup-profile-file`

  Removes profiling files generated for this test.

`cleanup-repo-files`

  Removes files generated for this test for `-frepo`.

`cleanup-rtl-dump suffix`

  Removes RTL dump files generated for this test.

`cleanup-saved-temps`

  Removes files for the current test which were kept for `-save-temps`.

`cleanup-tree-dump suffix`

  Removes tree dump files matching suffix which were generated for this test.

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