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1230 Commits

Author SHA1 Message Date
Duncan Sands
ba9934648f Speculatively revert commit 127478 (jsjodin) in an attempt to fix the 
llvm-gcc-i386-linux-selfhost and llvm-x86_64-linux-checks buildbots.
The original log entry:
Remove optimization emitting a reference insted of label difference, since
it can create more relocations. Removed isBaseAddressKnownZero method,
because it is no longer used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127540 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-12 13:07:37 +00:00
Jan Sjödin
e4f6d7461a Remove optimization emitting a reference insted of label difference, since it can create more relocations. Removed isBaseAddressKnownZero method, because it is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-11 19:37:02 +00:00
Benjamin Kramer
8104163fd1 Remove unused virtual dtor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127331 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 14:20:28 +00:00
NAKAMURA Takumi
511cab20cb lib/CodeGen/AsmPrinter/CMakeLists.txt: Fix CMake build, following up to r127099. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127114 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-06 00:13:15 +00:00
Anton Korobeynikov
b5e16af9ea Some first rudimentary support for ARM EHABI: print exception table in "text mode". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-05 18:43:15 +00:00
Devang Patel
bbd0f45b47 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 21:49:41 +00:00
Devang Patel
6f676be5ff Fix thinko in previous check-in. 
Add comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 20:08:10 +00:00
Devang Patel
cb3a65755e llvm::Function argument count is not a good indicator of how many arugments does the function have at source level. If we need more space, just resize vector conservatively. This vector is only used once per function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126957 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 20:02:02 +00:00
Devang Patel
0478c15d1e If argument numbering is encoded in metadata then emit arguments' debug info in that order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-01 22:58:55 +00:00
Cameron Zwarich
f754f50805 Roll out r126425 and r126450 to see if it fixes the failures on the buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-25 16:30:32 +00:00
Nick Lewycky
4e671437ed Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 23:15:43 +00:00
Devang Patel
f410608271 Enable DebugInfo support for COFF object files. 
Patch by Nathan Jeffords!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126425 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:04:00 +00:00
Devang Patel
0eea95d1cd Do not use DIFactory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 18:49:30 +00:00
Devang Patel
3a4ae32ed7 Use DW_FORM_data2 for DW_AT_language and let users use DW_LANG_lo_user=0x8000 to DW_LANG_hi_user=0xffff range. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 22:37:04 +00:00
Stuart Hastings
5129bdecd8 Omit private_extern declarations of extern symbols; followup to 
r124468.  Patch by Rafael Avila de Espindola!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126297 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 02:27:05 +00:00
Devang Patel
5bc9fec7ec Do not emit empty DW_TAG_lexical_block DIEs. In one test case, size of debug info reduced by almost 7%. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126009 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-19 01:31:27 +00:00
Devang Patel
d3526eab46 Ignore DBG_VALUE machine instructions while constructing instruction ranges based on location info. 
Machine instruction range consisting of only DBG_VALUE MIs only contributes consecutive labels in assembly output, which is harmless, and empty scope entry in DebugInfo, which confuses debugger tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125577 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:56:09 +00:00
Duncan Sands
ab4c366274 Spelling fix: consequtive -> consecutive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 09:23:02 +00:00
Jakob Stoklund Olesen
e5005d0062 Assert on bad jump tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 21:52:06 +00:00
Devang Patel
6c3ea9012e Merge .debug_loc entries whenever possible to reduce debug_loc size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124904 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-04 22:57:18 +00:00
Devang Patel
e7d93877c6 Add support to describe template value parameter in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 22:35:53 +00:00
Devang Patel
7e2cb11655 Add support to describe template parameter type in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124752 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 21:38:25 +00:00
Anton Korobeynikov
ed299f6fa9 Clarify the LSDASection NULL check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124569 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-30 22:07:31 +00:00
Rafael Espindola
1ffb533699 Print the visibility of declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-28 03:20:10 +00:00
Anton Korobeynikov
d4e0978752 Support printing exception section into the current one. This is the case when LSDASection is blank 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124150 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 22:38:40 +00:00
Devang Patel
e449d1f189 Fix debug info for merged global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123862 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 00:02:16 +00:00
Devang Patel
dacde944bd Fix register address expression. Patch by Ken Dyck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123856 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-19 23:04:47 +00:00
Ted Kremenek
439ea279a5 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123491 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 22:58:11 +00:00
Anton Korobeynikov
3965b5e974 Add a possibility to switch between CFI directives- and table-based frame description emission. Currently all the backends use table-based stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:58:08 +00:00
Anton Korobeynikov
9a1ef4ef36 Add CFI directives-based frame information emission. Not hooked yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:57:53 +00:00
Anton Korobeynikov
d7e8ddc501 Split stuff as a preparation for CFI directives-based frame information emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123473 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 21:57:45 +00:00
Devang Patel
a36478feac Appropriately truncate debug info range in dwarf output. 
This is not yet completely enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 21:42:10 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Evan Cheng
c36b7069b4 Do not model all INLINEASM instructions as having unmodelled side effects. 
Instead encode llvm IR level property "HasSideEffects" in an operand (shared
with IsAlignStack). Added MachineInstrs::hasUnmodeledSideEffects() to check
the operand when the instruction is an INLINEASM.

This allows memory instructions to be moved around INLINEASM instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 23:50:32 +00:00
Devang Patel
51a666f0e5 Speculatively revert r123032. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123039 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 22:33:41 +00:00
Devang Patel
1dea232624 Appropriately truncate debug info range in dwarf output. 
Enable live debug variables pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123032 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 21:30:41 +00:00
Devang Patel
76a788c886 Emit 128 bit constant. 
This fixes PR 8913 crash.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122971 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 21:39:25 +00:00
Chris Lattner
9fc5cdf77c split dom frontier handling stuff out to its own DominanceFrontier header, 
so that Dominators.h is *just* domtree.  Also prune #includes a bit.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122714 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-02 22:09:33 +00:00
Nick Lewycky
476b242fe7 Add missing standard headers. Patch by Joerg Sonnenberger! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 20:43:38 +00:00
Chris Lattner
11ae9e29a9 remove the verbose-asm "constant pool double" comments that we were printing 
for each constant pool entry.  Using WriteTypeSymbolic here takes time
proportional to the size of the module, for each constant pool entry.

This speeds up -verbose-asm llc on 252.eon (a random testcase at my disposal)
from 4.4s to 2.137s.  llc takes 2.11s with asm-verbose off, so this is now a
pretty reasonable cost for verbose comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-13 07:35:47 +00:00
Devang Patel
d639c7cab4 DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead. 
This fixes radar 8730409.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-09 00:10:40 +00:00
Devang Patel
b7313e274c Undefined value in reg 0 may need a marker to identify end of source range. 
This will be used to truncate live range of DBG_VALUE instruction by register allocator and friends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:48:22 +00:00
Rafael Espindola
0bbe0b440e Second try at making direct object emission produce the same results 
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 17:27:56 +00:00
Rafael Espindola
6d86492f5e Revert previous two patches while I try to find out how to make both 
linux and darwin assemblers happy :-(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121004 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 15:35:15 +00:00
Rafael Espindola
2303c9dd69 Add an EmitAbsValue helper method and use it in cases where we want to be sure 
that no relocations are used (on MochO).
Fixes llc producing different output from llc + llvm-mc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121000 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 14:53:14 +00:00
Michael J. Spencer
1f6efa3996 Merge System into Support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 18:16:10 +00:00
Anton Korobeynikov
82f58740c7 Move some more hooks to TargetFrameInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 15:59:32 +00:00
Anton Korobeynikov
d9e3385ced Move getInitialFrameState() to TargetFrameInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 23:25:52 +00:00
Rafael Espindola
5c0556341e Change CodeGen to use .loc directives. This produces a lot more readable output 
and testing is easier.  A good example is the unknown-location.ll test that
now can just look for ".loc 1 0 0".  We also don't use a DW_LNE_set_address for
every address change anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 02:04:25 +00:00
Chris Lattner
ce1b9ad539 With the newly simplified SourceMgr interfaces and the generalized 
SrcMgrDiagHandler, we can improve clang diagnostics for inline asm:
instead of reporting them on a source line of the original line,
we can report it on the correct line wherever the string literal came
from. For something like this:

void foo() {
  asm("push %rax\n"
      ".code32\n");
}

we used to get this: (note that the line in t.c isn't helpful)

t.c:4:7: error: warning: ignoring directive for now
  asm("push %rax\n"
      ^
<inline asm>:2:1: note: instantiated into assembly here
.code32
^

now we get:

t.c:5:8: error: warning: ignoring directive for now
      ".code32\n"
       ^
<inline asm>:2:1: note: instantiated into assembly here
.code32
^

Note that we're pointing to line 5 properly now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119488 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 08:20:42 +00:00