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7 Commits

Author SHA1 Message Date
Sourabh Singh Tomar fb4d8fe1a8 Recommit "[DWARF5] Start emitting DW_AT_dwo_name when -gdwarf-5 is specified." 
Reviewers: dblaikie, aprantl, probinson

Tags: #debug-info #llvm

Differential Revision: https://reviews.llvm.org/D71185
 2019-12-11 01:24:50 +05:30
Sourabh Singh Tomar d82b6ba21b Revert "[DWARF5] Start emitting DW_AT_dwo_name when -gdwarf-5 is specified." 
This reverts commit 6ef01588f4.
Missing Differetial revision.
 2019-12-11 01:20:40 +05:30
Sourabh Singh Tomar 6ef01588f4 [DWARF5] Start emitting DW_AT_dwo_name when -gdwarf-5 is specified. 2019-12-11 01:18:02 +05:30
Aaron Puchert e1dc495e63 [Clang] Harmonize Split DWARF options with llc 
Summary:
With Split DWARF the resulting object file (then called skeleton CU)
contains the file name of another ("DWO") file with the debug info.
This can be a problem for remote compilation, as it will contain the
name of the file on the compilation server, not on the client.

To use Split DWARF with remote compilation, one needs to either

* make sure only relative paths are used, and mirror the build directory
  structure of the client on the server,
* inject the desired file name on the client directly.

Since llc already supports the latter solution, we're just copying that
over. We allow setting the actual output filename separately from the
value of the DW_AT_[GNU_]dwo_name attribute in the skeleton CU.

Fixes PR40276.

Reviewers: dblaikie, echristo, tejohnson

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D59673

llvm-svn: 363496
 2019-06-15 15:38:51 +00:00
Aaron Puchert 922759a63d [Clang] Rename -split-dwarf-file to -split-dwarf-output 
Summary:
This is the first in a series of changes trying to align clang -cc1
flags for Split DWARF with those of llc. The unfortunate side effect of
having -split-dwarf-output for single file Split DWARF will disappear
again in a subsequent change.

The change is the result of a discussion in D59673.

Reviewers: dblaikie, echristo

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D63130

llvm-svn: 363494
 2019-06-15 14:07:43 +00:00
Fangrui Song 324ace4b5c Change llvm-{objdump,readobj} -long-option to --long-option or well-known short options in tests. NFC 
llvm-svn: 359662
 2019-05-01 09:30:45 +00:00
Peter Collingbourne 3aa30e8062 IRGen: Write .dwo files when -split-dwarf-file is used together with -fthinlto-index. 
Differential Revision: https://reviews.llvm.org/D47597

llvm-svn: 333677
 2018-05-31 18:25:59 +00:00