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| author | Anirudh Prasad <Anirudh.Prasad@ibm.com> | 2021-03-12 11:39:03 -0500 |
|---|---|---|
| committer | Kai Nacke <kai@redstar.de> | 2021-03-12 11:56:11 -0500 |
| commit | bcdd40f802a5dfd7b3ac11304e6099bfcdd25b1e (patch) | |
| tree | 5ceb8aab12a78ba99f21ba334efa2baf9a60ccdf /llvm/unittests/FileCheck/FileCheckTest.cpp | |
| parent | 81d4e9c146fceabd481a7c682703dc2fce8e1300 (diff) | |
| download | llvm-bcdd40f802a5dfd7b3ac11304e6099bfcdd25b1e.zip llvm-bcdd40f802a5dfd7b3ac11304e6099bfcdd25b1e.tar.gz llvm-bcdd40f802a5dfd7b3ac11304e6099bfcdd25b1e.tar.bz2 | |
[AsmParser][SystemZ][z/OS] Introducing HLASM Comment Syntax
- This patch adds in support for the ordinary HLASM comment syntax asm
statements (Reference - Chapter 7, Comment Statements, Ordinary Comment
Statements)
- In brief, the ordinary comment syntax if used, must begin with the "*"
character
- To achieve this, this patch makes use of the CommentString attribute
provided in the base MCAsmInfo class
- In the SystemZMCAsmInfo class, the CommentString attribute was set to
"*" based on the assembler dialect
- Furthermore, a new attribute RestrictCommentString, is provided to only
treat a string as a comment if it appears at the start of the asm
statement. Example: "jo *-4" is valid in HLASM (jump back 4 bytes from
current point - similar to jo -4 in gnu asm) and we don't want "*-4" to
be treated as a comment.
- RFC for HLASM Parser support implementation: https://lists.llvm.org/pipermail/llvm-dev/2021-January/147686.html
Reviewed By: scott.linder, Kai
Differential Revision: https://reviews.llvm.org/D97703
Diffstat (limited to 'llvm/unittests/FileCheck/FileCheckTest.cpp')
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