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c608d67509
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1210 Commits

Author SHA1 Message Date
Anton Korobeynikov
c608d67509 Clarify the LSDASection NULL check 
llvm-svn: 124569
 2011-01-30 22:07:31 +00:00
Rafael Espindola
9bc19ee478 Print the visibility of declarations. 
llvm-svn: 124468
 2011-01-28 03:20:10 +00:00
Anton Korobeynikov
febd3ec17f Support printing exception section into the current one. This is the case when LSDASection is blank 
llvm-svn: 124150
 2011-01-24 22:38:40 +00:00
Devang Patel
729c5e59af Fix debug info for merged global. 
llvm-svn: 123862
 2011-01-20 00:02:16 +00:00
Devang Patel
574e10fa1e Fix register address expression. Patch by Ken Dyck. 
llvm-svn: 123856
 2011-01-19 23:04:47 +00:00
Ted Kremenek
c9d2425c5a Update CMake build. 
llvm-svn: 123491
 2011-01-14 22:58:11 +00:00
Anton Korobeynikov
1f9df99db1 Add a possibility to switch between CFI directives- and table-based frame description emission. Currently all the backends use table-based stuff. 
llvm-svn: 123476
 2011-01-14 21:58:08 +00:00
Anton Korobeynikov
ef11a77938 Add CFI directives-based frame information emission. Not hooked yet. 
llvm-svn: 123474
 2011-01-14 21:57:53 +00:00
Anton Korobeynikov
e53322ef91 Split stuff as a preparation for CFI directives-based frame information emission 
llvm-svn: 123473
 2011-01-14 21:57:45 +00:00
Devang Patel
7b5cf4eafc Appropriately truncate debug info range in dwarf output. 
This is not yet completely enabled.

llvm-svn: 123274
 2011-01-11 21:42:10 +00:00
Anton Korobeynikov
cf5967630b Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
llvm-svn: 123170
 2011-01-10 12:39:04 +00:00
Evan Cheng
aa16fd02ad 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.

llvm-svn: 123044
 2011-01-07 23:50:32 +00:00
Devang Patel
d3ba97949a Speculatively revert r123032. 
llvm-svn: 123039
 2011-01-07 22:33:41 +00:00
Devang Patel
a52d6c216d Appropriately truncate debug info range in dwarf output. 
Enable live debug variables pass.

llvm-svn: 123032
 2011-01-07 21:30:41 +00:00
Devang Patel
7cb0e7c2ef Emit 128 bit constant. 
This fixes PR 8913 crash.

llvm-svn: 122971
 2011-01-06 21:39:25 +00:00
Chris Lattner
e396e846b4 split dom frontier handling stuff out to its own DominanceFrontier header, 
so that Dominators.h is *just* domtree.  Also prune #includes a bit.

llvm-svn: 122714
 2011-01-02 22:09:33 +00:00
Nick Lewycky
c85935836b Add missing standard headers. Patch by Joerg Sonnenberger! 
llvm-svn: 122193
 2010-12-19 20:43:38 +00:00
Chris Lattner
324f849088 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.

llvm-svn: 121691
 2010-12-13 07:35:47 +00:00
Devang Patel
b3e0d80b1f DW_FORM_data1 may not provide sufficient room for vtable index, use _udata instead. 
This fixes radar 8730409.

llvm-svn: 121323
 2010-12-09 00:10:40 +00:00
Devang Patel
12459bc442 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.

llvm-svn: 121061
 2010-12-06 22:48:22 +00:00
Rafael Espindola
3e954d16f4 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.

llvm-svn: 121006
 2010-12-06 17:27:56 +00:00
Rafael Espindola
4ec917db9b Revert previous two patches while I try to find out how to make both 
linux and darwin assemblers happy :-(

llvm-svn: 121004
 2010-12-06 15:35:15 +00:00
Rafael Espindola
3dc2b4cba7 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.

llvm-svn: 121000
 2010-12-06 14:53:14 +00:00
Michael J. Spencer
d5ec932c3a Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Anton Korobeynikov
ff8c52bd51 Move some more hooks to TargetFrameInfo 
llvm-svn: 119904
 2010-11-20 15:59:32 +00:00
Anton Korobeynikov
ce676f96e1 Move getInitialFrameState() to TargetFrameInfo 
llvm-svn: 119754
 2010-11-18 23:25:52 +00:00
Rafael Espindola
93a07b464e 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.

llvm-svn: 119613
 2010-11-18 02:04:25 +00:00
Chris Lattner
5faff99d84 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.

llvm-svn: 119488
 2010-11-17 08:20:42 +00:00
Chris Lattner
99b8654169 now that AsmPrinter::EmitInlineAsm is factored right, we can eliminate the 
cookie argument to the SourceMgr diagnostic stuff.  This cleanly separates
LLVMContext's inlineasm handler from the sourcemgr error handling 
definition, increasing type safety and cleaning things up.

llvm-svn: 119486
 2010-11-17 08:13:01 +00:00
Chris Lattner
2cc6515616 rearrange how the handler in SourceMgr is installed, eliminating the use of 
the cookie argument to setDiagHandler

llvm-svn: 119483
 2010-11-17 08:03:32 +00:00
Chris Lattner
003e3db609 refactor the interface to EmitInlineAsm a bit, no functionality change. 
llvm-svn: 119482
 2010-11-17 07:53:40 +00:00
Devang Patel
3dd764feda Remove DW_AT_start_scope support. It is incomplete and superseeded by location entries support. 
llvm-svn: 118940
 2010-11-12 23:20:42 +00:00
Devang Patel
5520a6fc97 Take care of special characters while creating named MDNode name to hold function specific local variable's info. 
This fixes radar 8653152. I am checking in testcase as a separate check-in.

llvm-svn: 118726
 2010-11-10 22:19:21 +00:00
Rafael Espindola
3f4a79b243 Add 118023 back, but with proper spelling for .uleb128/.sleb128. 
llvm-svn: 118254
 2010-11-04 18:17:08 +00:00
Rafael Espindola
618eefb925 Revert previous patch. Some targets don't support uleb and say 
they do :-(

llvm-svn: 118250
 2010-11-04 17:04:24 +00:00
Rafael Espindola
afb48cd73d MCize. 
llvm-svn: 118249
 2010-11-04 16:32:18 +00:00
Devang Patel
37fa9bb66a Simplify. 
llvm-svn: 118027
 2010-11-02 17:37:00 +00:00
Devang Patel
bf9c3c8947 Ignore empty blocks. 
llvm-svn: 117615
 2010-10-28 22:11:59 +00:00
Devang Patel
a496603faf Do not work too hard to find type's file info. There is a special field to record file info. 
llvm-svn: 117588
 2010-10-28 19:50:08 +00:00
Devang Patel
0e43a2d84f Technically DIFile scope should also be handled here. 
llvm-svn: 117563
 2010-10-28 17:30:52 +00:00
Devang Patel
e544bb3842 s/beginScope/beginInstruction/g 
s/endScope/endInstruction/g

llvm-svn: 117376
 2010-10-26 17:49:02 +00:00
Nick Lewycky
f7dddd658f For statistics that are only used in functions declared in !NDEBUG, wrap the 
declarations in !NDEBUG to avoid -Wunused-variable warnings. Patch by
Matt Beaumont-Gay!

llvm-svn: 117345
 2010-10-26 00:51:57 +00:00
Devang Patel
24a6b791b6 Add simple counter to count no. of basic blocks without any line number information. At -O0, these basic block coule cause less than optimial debugging experience. 
llvm-svn: 117307
 2010-10-25 20:45:32 +00:00
Devang Patel
3090b0ebf1 Line number 0 indicates there is no source line/file name info available for this construct. 
llvm-svn: 116061
 2010-10-08 17:18:54 +00:00
Devang Patel
ee23e6ea23 Provie a clearner interface so that FE can decide whether a function has prototype or not. 
llvm-svn: 115988
 2010-10-07 22:03:01 +00:00
Devang Patel
eeb0b64560 Add support for DW_TAG_unspecified_parameters. 
llvm-svn: 115833
 2010-10-06 20:50:40 +00:00
Devang Patel
f612c0b23e Add support to let FE mark explict methods as explict in debug info. 
llvm-svn: 115378
 2010-10-01 23:31:40 +00:00
Jim Grosbach
77531e2727 Nuke trailing whitespace. 
llvm-svn: 115377
 2010-10-01 23:29:12 +00:00
Devang Patel
41e2a94595 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Devang Patel
f600d9f0ed Add support to let FE encode method access specifier. 
llvm-svn: 115089
 2010-09-29 21:44:16 +00:00