forked from OSchip/llvm-project
a1fd188223
Sometimes you want to disable a FileCheck directive without removing it entirely, or you want to write comments that mention a directive by name. The `COM:` directive makes it easy to do this. For example, you might have: ``` ; X32: pinsrd_1: ; X32: pinsrd $1, 4(%esp), %xmm0 ; COM: FIXME: X64 isn't working correctly yet for this part of codegen, but ; COM: X64 will have something similar to X32: ; COM: ; COM: X64: pinsrd_1: ; COM: X64: pinsrd $1, %edi, %xmm0 ``` Without this patch, you need to use some combination of rewording and directive syntax mangling to prevent FileCheck from recognizing the commented occurrences of `X32:` and `X64:` above as directives. Moreover, FileCheck diagnostics have been proposed that might complain about the occurrences of `X64` that don't have the trailing `:` because they look like directive typos: <http://lists.llvm.org/pipermail/llvm-dev/2020-April/140610.html> I think dodging all these problems can prove tedious for test authors, and directive syntax mangling already makes the purpose of existing test code unclear. `COM:` can avoid all these problems. This patch also updates the small set of existing tests that define `COM` as a check prefix: - clang/test/CodeGen/default-address-space.c - clang/test/CodeGenOpenCL/addr-space-struct-arg.cl - clang/test/Driver/hip-device-libs.hip - llvm/test/Assembler/drop-debug-info-nonzero-alloca.ll I think lit should support `COM:` as well. Perhaps `clang -verify` should too. Reviewed By: jhenderson, thopre Differential Revision: https://reviews.llvm.org/D79276 |
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| .. | ||
| comment | ||
| check-a-b-has-b.txt | ||
| check-b-a-has-b.txt | ||
| check-count.txt | ||
| check-dag-multi-prefix-2.txt | ||
| check-dag-multi-prefix.txt | ||
| check-dag-not-dag.txt | ||
| check-dag-overlap-torture.txt | ||
| check-dag-overlap.txt | ||
| check-dag-substring-prefix.txt | ||
| check-dag-xfails.txt | ||
| check-dag.txt | ||
| check-empty-tag.txt | ||
| check-empty.txt | ||
| check-empty2.txt | ||
| check-ignore-case.txt | ||
| check-label-dag-capture.txt | ||
| check-label-dag.txt | ||
| check-label.txt | ||
| check-multi-prefix-label.txt | ||
| check-multiple-prefixes-mixed.txt | ||
| check-multiple-prefixes-nomatch-2.txt | ||
| check-multiple-prefixes-nomatch.txt | ||
| check-multiple-prefixes-substr.txt | ||
| check-not-diaginfo.txt | ||
| check-prefixes.txt | ||
| check-substring-multi-prefix-2.txt | ||
| check-substring-multi-prefix.txt | ||
| dos-style-eol.txt | ||
| dump-input-annotations.txt | ||
| dump-input-enable.txt | ||
| empty-regex-match-at-start.txt | ||
| envvar-opts.txt | ||
| first-character-match.txt | ||
| implicit-check-not.txt | ||
| line-count-2.txt | ||
| line-count.txt | ||
| lit.local.cfg | ||
| match-full-lines.txt | ||
| multiple-missing-prefixes.txt | ||
| next-no-match.txt | ||
| no-check-file.txt | ||
| no-multi-suffixes.txt | ||
| numeric-defines-diagnostics.txt | ||
| numeric-defines.txt | ||
| numeric-expression.txt | ||
| opt-color.txt | ||
| regex-brackets.txt | ||
| regex-no-match.txt | ||
| same.txt | ||
| separate-multi-prefix.txt | ||
| simple-var-capture.txt | ||
| string-defines-diagnostics.txt | ||
| string-defines.txt | ||
| two-checks-for-same-match.txt | ||
| validate-check-prefix.txt | ||
| var-ref-same-line.txt | ||
| var-scope.txt | ||
| verbose.txt | ||