[test] Improve FileCheck's numeric-expression.txt

Authored by thopre on May 12 2020, 3:39 PM.


[test] Improve FileCheck's numeric-expression.txt

Various improvement for FileCheck's numeric-expression.txt test:

  • remove unused values in USE DEF FMT IMPL MATCH section
  • replace 14 literal for 0xe and 0xE to have example of hex literals
  • rename variable to be more self-descriptive
  • move CHECK as comment of the values being matched to help readability
  • add conversion tests
  • simplify test for use of several numeric variables by using existing variable
  • adjust position of error message check to match the alignment of the error message wrt. the output matched by the previous check

Reviewed By: jhenderson, jdenny

Differential Revision: https://reviews.llvm.org/D79820