tree 6930971b046adf42a04c671475f9add1a209d67e
parent 213c6cdf2e7a30d722cee4cd66b7d48fc396d44b
author Alok Kumar Sharma <AlokKumar.Sharma@amd.com> 1590652882 +0530
committer Sourabh Singh Tomar <SourabhSingh.Tomar@amd.com> 1590653801 +0530

[DebugInfo] Upgrade DISubrange to support Fortran dynamic arrays

This patch upgrades DISubrange to support fortran requirements.

Summary:
Below are the updates/addition of fields.
lowerBound - Now accepts signed integer or DIVariable or DIExpression,
earlier it accepted only signed integer.
upperBound - This field is now added and accepts signed interger or
DIVariable or DIExpression.
stride - This field is now added and accepts signed interger or
DIVariable or DIExpression.
This is required to describe bounds of array which are known at runtime.

Testing:
unit test cases added (hand-written)
check clang
check llvm
check debug-info

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D80197