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1193 Commits

Author SHA1 Message Date
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
Devang Patel
fd6665e8aa Assign DW_ACCESS_public accessibility attribute to members by default. 
llvm-svn: 115067
 2010-09-29 19:08:08 +00:00
Oscar Fuentes
eb27a44982 Removed a bunch of unnecessary target_link_libraries. 
llvm-svn: 114999
 2010-09-28 22:39:14 +00:00
Devang Patel
e1f502ee26 Provide an interface to let FEs anchor debug info for types. 
llvm-svn: 114969
 2010-09-28 18:08:20 +00:00
Devang Patel
0a414c918a Remove dead argument. 
llvm-svn: 114920
 2010-09-27 23:15:27 +00:00
Chris Lattner
0ebcc18dec the latest assembler that runs on powerpc 10.4 machines doesn't 
support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.

llvm-svn: 114817
 2010-09-27 06:44:54 +00:00
Devang Patel
8914755c40 Use DW_OP_fbreg when offset is based on frame register. 
llvm-svn: 114585
 2010-09-22 21:10:38 +00:00
Devang Patel
99777d1d07 If FE forgot to provide a file name (usually it uses "stdin" as name in such situation) then make one up to ensure that debug info is not malformed. 
llvm-svn: 114119
 2010-09-16 20:57:49 +00:00
Michael J. Spencer
90f807fda5 Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally." 
This reverts commit r113632

Conflicts:

	cmake/modules/AddLLVM.cmake

llvm-svn: 113819
 2010-09-13 23:59:48 +00:00
Benjamin Kramer
9859d9eee4 Fix linux/msvc build, move include. 
llvm-svn: 113776
 2010-09-13 20:04:49 +00:00
Michael J. Spencer
98ad3f2ea7 CMake: Get rid of LLVMLibDeps.cmake and export the libraries normally. 
llvm-svn: 113632
 2010-09-10 21:14:25 +00:00
Chris Lattner
6c08c3b321 add a comment about where this should eventually move. 
llvm-svn: 113117
 2010-09-05 20:33:40 +00:00
Devang Patel
e431686861 There is no need to use .set here. 
Thanks Chris!

llvm-svn: 112900
 2010-09-02 23:01:10 +00:00
Devang Patel
bbbd35d042 Fix .debug_range for linux. Patch by Krister Wombell. 
llvm-svn: 112830
 2010-09-02 16:43:44 +00:00
Devang Patel
9e8ee9242f Use absolute label for DW_AT_stmt_list if a target does not prefer offset here. 
This patch was developed on top of original patch by Artur Pietrek.

llvm-svn: 112678
 2010-08-31 23:50:19 +00:00
Devang Patel
46570e6783 Reapply r112623. Included additional check for unused byval argument. 
llvm-svn: 112659
 2010-08-31 22:22:42 +00:00
Devang Patel
b94251aea0 Revert r112623. It is causing self host build failures. 
llvm-svn: 112631
 2010-08-31 19:41:03 +00:00
Devang Patel
414cbc940a Remember byval argument's frame index during argument lowering and use this info to emit debug info. 
Fixes Radar 8367011.

llvm-svn: 112623
 2010-08-31 18:50:09 +00:00