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* [DWARFv5] Tolerate files not all having an MD5 checksum.Paul Robinson2018-06-141-4/+6
| | | | | | | | | | | | | | | | | | In some cases, for example when compiling a preprocessed file, the front-end is not able to provide an MD5 checksum for all files. When that happens, omit the MD5 checksums from the final DWARF, because DWARF doesn't have a way to indicate that some but not all files have a checksum. When assembling a .s file, and some but not all .file directives provide an MD5 checksum, issue a warning and don't emit MD5 into the DWARF. Fixes PR37623. Differential Revision: https://reviews.llvm.org/D48135 llvm-svn: 334710
* Try to fix a couple tests for Windows.Paul Robinson2018-03-291-3/+3
| | | | llvm-svn: 328814
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-291-22/+19
| | | | | | | | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. We emit the new syntax only for DWARF v5 and later. Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. Last but not least, don't break "clang -g" of an assembler file that has .file directives in it. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 328805
* Revert "Reapply "[DWARFv5] Emit file 0 to the line table.""Alexander Potapenko2018-03-281-18/+21
| | | | | | | | | | | | | | | This reverts commit r328676. Commit r328676 broke the -no-integrated-as flag necessary to build Linux kernel with Clang: $ cat t.c void foo() {} $ clang -no-integrated-as -c t.c -g /tmp/t-dcdec5.s: Assembler messages: /tmp/t-dcdec5.s:8: Error: file number less than one clang-7.0: error: assembler command failed with exit code 1 (use -v to see invocation) llvm-svn: 328699
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-271-21/+18
| | | | | | | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. Last but not least, don't break "clang -g" of an assembler file that has .file directives in it. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 328676
* Revert "Reapply "[DWARFv5] Emit file 0 to the line table.""Alexander Kornienko2018-03-071-18/+21
| | | | | | | | | | | | | | | | This reverts commit r326839. r326839 breaks assembly file parsing: $ cat q.c void g() {} $ clang -S q.c -g $ clang -g -c q.s q.s:9:2: error: file number already allocated .file 1 "/tmp/test" "q.c" ^ llvm-svn: 326902
* Reapply "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-061-21/+18
| | | | | | | | Fixes the bug found by asan. Also XFAIL the new test for Darwin, which is stuck on DWARF v2, and fix up other tests so they stop failing on Windows. llvm-svn: 326839
* Revert "[DWARFv5] Emit file 0 to the line table."Paul Robinson2018-03-061-18/+21
| | | | | | | | | Caused an asan failure. This reverts commit d54883f081186cdcce74e6f98cfc0438579ec019. aka r326758 llvm-svn: 326762
* [DWARFv5] Emit file 0 to the line table.Paul Robinson2018-03-061-21/+18
| | | | | | | | | | | DWARF v5 specifies that the root file (also given in the DW_AT_name attribute of the compilation unit DIE) should be emitted explicitly to the line table's list of files. This makes the line table more independent of the .debug_info section. Differential Revision: https://reviews.llvm.org/D44054 llvm-svn: 326758
* [DebugInfo] Add remaining files to r325970Scott Linder2018-02-231-0/+61
Add files which I missed in the original check-in llvm-svn: 325973
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