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Author SHA1 Message Date
Hsiangkai Wang 3575149092 Reland r345009 "[DebugInfo] Generate debug information for labels." 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.
After fixing problems in LiveDebugVariables.
After fixing NULL symbol problems in AddressPool when enabling
split-dwarf-file.
After fixing PR39094.
After landing D54199 and D54465 to fix Chromium build failed.

Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 352025
 2019-01-24 05:34:29 +00:00
Hans Wennborg 022cb5bd25 Revert r345009 "[DebugInfo] Generate debug information for labels. (After fix PR39094)" 
This broke the Chromium build. See
https://bugs.chromium.org/p/chromium/issues/detail?id=898152#c1 for the
reproducer.

> Generate DILabel metadata and call llvm.dbg.label after label
> statement to associate the metadata with the label.
>
> After fixing PR37395.
> After fixing problems in LiveDebugVariables.
> After fixing NULL symbol problems in AddressPool when enabling
> split-dwarf-file.
> After fixing PR39094.
>
> Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 345026
 2018-10-23 13:17:13 +00:00
Hsiangkai Wang 63b099050c [DebugInfo] Generate debug information for labels. (After fix PR39094) 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.
After fixing problems in LiveDebugVariables.
After fixing NULL symbol problems in AddressPool when enabling
split-dwarf-file.
After fixing PR39094.

Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 345009
 2018-10-23 08:06:21 +00:00
Vitaly Buka 84ffd06f8b Revert "[DebugInfo] Generate debug information for labels." 
This reverts commit r343148.

It crashes on sanitizer-x86_64-linux-autoconf.

llvm-svn: 343183
 2018-09-27 08:15:24 +00:00
Hsiangkai Wang 705121aaae [DebugInfo] Generate debug information for labels. 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.
After fixing problems in LiveDebugVariables.
After fixing NULL symbol problems in AddressPool when enabling
split-dwarf-file.

Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 343148
 2018-09-26 22:18:45 +00:00
Sam McCall 026d8a20ec Revert "[DebugInfo] Generate debug information for labels. (Fix PR37395)" 
This reverts commit r341519, which generates debug info that causes
backend crashes. (with -split-dwarf-file)

Details in https://reviews.llvm.org/D50495

llvm-svn: 341549
 2018-09-06 14:27:40 +00:00
Hsiangkai Wang 0a875b2f15 [DebugInfo] Generate debug information for labels. (Fix PR37395) 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.
After fixing problems in LiveDebugVariables.

Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 341519
 2018-09-06 06:03:36 +00:00
Hsiangkai Wang ea1b0e0960 Revert "[DebugInfo] Generate debug information for labels. (Fix PR37395)" 
Build failed in
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-autoconf/builds/27258

In lib/CodeGen/LiveDebugVariables.cpp:589, it uses std::prev(MBBI) to
get DebugValue's SlotIndex. however, the previous instruction may be
also a debug instruction.

llvm-svn: 338992
 2018-08-06 07:07:18 +00:00
Hsiangkai Wang 3bec3abf38 [DebugInfo] Generate debug information for labels. (Fix PR37395) 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.

Differential Revision: https://reviews.llvm.org/D45045

llvm-svn: 338989
 2018-08-06 05:58:59 +00:00
Shiva Chen 0ed11a9792 Revert "[DebugInfo] Generate debug information for labels. (Fix PR37395)" 
This reverts commit 4288dd3bf082482e02c8a044c611c18168cb0180.

llvm-svn: 337803
 2018-07-24 02:57:11 +00:00
Shiva Chen c50fbb9da7 [DebugInfo] Generate debug information for labels. (Fix PR37395) 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

After fixing PR37395.

Differential Revision: https://reviews.llvm.org/D45045

Patch by Hsiangkai Wang.

llvm-svn: 337800
 2018-07-24 02:23:59 +00:00
Hans Wennborg ef2f6948be Revert r331843 "[DebugInfo] Generate debug information for labels." 
It broke the Chromium build (see reply on the review).

> Generate DILabel metadata and call llvm.dbg.label after label
> statement to associate the metadata with the label.
>
> Differential Revision: https://reviews.llvm.org/D45045
>
> Patch by Hsiangkai Wang.

This doesn't revert the change to backend-unsupported-error.ll
that seems to correspond to an llvm-side change.

llvm-svn: 331861
 2018-05-09 09:29:58 +00:00
Shiva Chen 667fbe2cb0 [DebugInfo] Generate debug information for labels. 
Generate DILabel metadata and call llvm.dbg.label after label
statement to associate the metadata with the label.

Differential Revision: https://reviews.llvm.org/D45045

Patch by Hsiangkai Wang.

llvm-svn: 331843
 2018-05-09 02:41:56 +00:00