Commit Graph

7 Commits

Author SHA1 Message Date
Duncan P. N. Exon Smith b3a66691f8 IR: Make metadata typeless in assembly, clang side
Match LLVM changes from r224257.

llvm-svn: 224259
2014-12-15 19:10:08 +00:00
Duncan P. N. Exon Smith 3c51fa6aae Revert "Revert "DI: LLVM schema change: fold constants into string""
This reverts commit r218917, effectively reapplying r218913.  Original
commit message follows.

--

Update debug info testcases for an LLVM metadata schema change to fold
metadata constant operands into a single `MDString`.

Part of PR17891.

llvm-svn: 219011
2014-10-03 20:01:52 +00:00
Duncan P. N. Exon Smith 834c265e85 Revert "DI: LLVM schema change: fold constants into string"
This reverts commit r218913 while I investigate some bots.

llvm-svn: 218917
2014-10-02 22:15:09 +00:00
Duncan P. N. Exon Smith 02b418a875 DI: LLVM schema change: fold constants into string
Update debug info testcases for an LLVM metadata schema change to fold
metadata constant operands into a single `MDString`.

Part of PR17891.

llvm-svn: 218913
2014-10-02 21:56:07 +00:00
Nico Weber bdc969839a Include translation unit filename in global ctor symbol names.
This makes it easier to see where a global ctor comes from, and it also makes
ASan's init order analyzer output easier to understand.  gcc does this too,
but only in -fPIC mode for some reason.  Don't do this for constructors with
explicit init priority.

Also prepend "sub_" before the 'I', that way regular constructors stay
lexicographically after symbols with init priority (because
ord('s') > ord('I')).  gold seems to ignore the name of constructor symbols,
and ld only looks at the symbol if it includes an init priority, which this
patch doesn't change.

Before: __GLOBAL_I_a
Now: __GLOBAL_sub_I_myfile.cc
llvm-svn: 208128
2014-05-06 20:32:45 +00:00
Adrian Prantl 0ce2b87507 Follow-up to r205999: Emit an artificial location (valid scope, line 0)
for CXXGlobalInit/Dtor helper functions.
This makes _GLOBAL__I_a regain its DW_AT_high/low_pc in the debug info.

Thanks to echristo for catching this!

llvm-svn: 206088
2014-04-11 23:45:01 +00:00
Adrian Prantl 42d71b9906 Debug info: (Bugfix) Make sure artificial functions like _GLOBAL__I_a
are not associated with any source lines.

Previously, if the Location of a Decl was empty, EmitFunctionStart would
just keep using CurLoc, which would sometimes be correct (e.g., thunks)
but in other cases would just point to a hilariously random location.

This patch fixes this by completely eliminating all uses of CurLoc from
EmitFunctionStart and rather have clients explicitly pass in a
SourceLocation for the function header and the function body.

rdar://problem/14985269

llvm-svn: 205999
2014-04-10 23:21:53 +00:00