[PATCH] D60385: FileCheck [5/12]: Introduce regular numeric variables

[Thomas Preud'homme via Phabricator via llvm-commits]

thopre created this revision.
thopre added reviewers: jhenderson, chandlerc, jdenny, probinson, grimar, arichardson, rnk.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.
thopre added a parent revision: D60384: FileCheck [4/12]: Introduce @LINE numeric expressions.
thopre added a child revision: D60386: FileCheck [6/12]: Introduce numeric variable definition.

This patch is part of a patch series to add support for FileCheck
numeric expressions. This specific patch introduces regular numeric
variables which can be set on the command-line.

This commit introduces regular numeric variable that can be set on the
command-line with the -D option to a numeric value. They can then be
used in CHECK patterns in numeric expression with the same shape as
@LINE numeric expression, ie. VAR, VAR+offset or VAR-offset where offset
is an integer literal.

The commit also enable strict whitespace in the verbose.txt testcase to
check that the position or the location diagnostics. It fixes one of the
existing CHECK in the process which was not accurately testing a
location diagnostic (ie. the diagnostic was correct, not the CHECK).

Copyright:

- Linaro (changes up to diff 183612 of revision D55940 <https://reviews.llvm.org/D55940>)
- GraphCore (changes in later versions of revision D55940 <https://reviews.llvm.org/D55940> and in new revision created off D55940 <https://reviews.llvm.org/D55940>)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D60385

Files:
  llvm/docs/CommandGuide/FileCheck.rst
  llvm/include/llvm/Support/FileCheck.h
  llvm/lib/Support/FileCheck.cpp
  llvm/test/FileCheck/defines.txt
  llvm/test/FileCheck/numeric-expression.txt
  llvm/test/FileCheck/regex-scope.txt
  llvm/test/FileCheck/var-scope.txt
  llvm/test/FileCheck/verbose.txt

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