Verify that clang TargetInfo descriptions match DataLayout strings from LLVM

The backend string is only verified when available as it's possible to run
clang IRGen for targets that haven't been built or don't exist in LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198309 91177308-0d34-0410-b5e6-96231b3b80d8
Added an option to avoid splitting certain kinds of comments into lines.

Summary: Added CommentPragmas option for this.

Reviewers: djasper, klimek

Reviewed By: klimek

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D2460

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198310 91177308-0d34-0410-b5e6-96231b3b80d8
In the FreeBSD assembler driver, inform the sparc assembler that we're producing
PIC code.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198311 91177308-0d34-0410-b5e6-96231b3b80d8
Remove a tab that snuck in.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198312 91177308-0d34-0410-b5e6-96231b3b80d8