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193 Commits

Author SHA1 Message Date
Dan Gohman 204dece054 Use tabs more consistently in assembler pseudo-ops. 
llvm-svn: 40594
 2007-07-30 15:08:02 +00:00
Dan Gohman cf0a5349de Don't ignore the return value of AsmPrinter::doInitialization and 
AsmPrinter::doFinalization.

llvm-svn: 40487
 2007-07-25 19:33:14 +00:00
Dale Johannesen 485531ea9b Quote complex names for Darwin X86 and ARM. 
llvm-svn: 37700
 2007-06-22 00:54:56 +00:00
Dan Gohman 3a8e2a8b2f Eliminate some redundant newlines in asm output. 
llvm-svn: 37574
 2007-06-14 15:00:27 +00:00
Anton Korobeynikov 4db0090339 Emit sections/directives in the proper order. This fixes PR1376. Also, 
some small cleanup was made.

llvm-svn: 36780
 2007-05-05 09:04:50 +00:00
Anton Korobeynikov 39f3cffbe3 Implement protected visibility. This partly implements PR1363. Linker 
should be taught to deal with protected symbols.

llvm-svn: 36565
 2007-04-29 18:35:00 +00:00
Lauro Ramos Venancio 2518889872 Implement "general dynamic", "initial exec" and "local exec" TLS models for 
X86 32 bits.

llvm-svn: 36283
 2007-04-20 21:38:10 +00:00
Chris Lattner ff0598de75 rename X86FunctionInfo to X86MachineFunctionInfo to match the header file 
it is defined in.

llvm-svn: 36196
 2007-04-17 17:21:52 +00:00
Anton Korobeynikov a8cc1ebae1 Consistency with native compilers 
llvm-svn: 35532
 2007-03-31 13:11:52 +00:00
Evan Cheng ddf082082c Putting more constants which do not contain relocations into .literal{4|8|16} 
llvm-svn: 35026
 2007-03-08 08:31:54 +00:00
Evan Cheng 13a1d96963 Put constant data to .const, .const_data, .literal{4|8|16} sections. 
llvm-svn: 35016
 2007-03-08 01:07:07 +00:00
Anton Korobeynikov af8be4458f Ensure that fastcall'ed function is correctly mangled & stack is 
properly aligned

llvm-svn: 34788
 2007-03-01 16:29:22 +00:00
Evan Cheng 0e083d0161 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections. 
llvm-svn: 33657
 2007-01-30 08:04:53 +00:00
Anton Korobeynikov 037c867b54 Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.
llvm-svn: 33597
 2007-01-28 13:31:35 +00:00
Bill Wendling a341fab0af The zerofill directive needs a newline after it. 
llvm-svn: 33327
 2007-01-18 02:30:19 +00:00
Evan Cheng 4b8d03e084 Minor code clean up. 
llvm-svn: 33323
 2007-01-18 01:49:58 +00:00
Chris Lattner f64cc9edd1 restructure code a bit to make use of continue (simplifying things). Generalize 
the .zerofill directive emission to not be darwin-specific

llvm-svn: 33304
 2007-01-17 17:44:25 +00:00
Anton Korobeynikov 3f6d52834b * Fix one more bug in PIC codegen: extra load is needed for *all* 
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.

llvm-svn: 33299
 2007-01-17 10:33:08 +00:00
Anton Korobeynikov 4f01b783a3 Emit symbol type information for ELF/COFF targets 
llvm-svn: 33256
 2007-01-16 16:41:57 +00:00
Chris Lattner 8c51bf5bf6 add support for hidden visibility to darwin/x86 
llvm-svn: 33198
 2007-01-14 06:29:53 +00:00
Chris Lattner 6bbb29ba40 darwin doesn't use .hidden. Disable this until we fix it right. 
llvm-svn: 33191
 2007-01-14 00:50:56 +00:00
Anton Korobeynikov a0554d90e8 * PIC codegen for X86/Linux has been implemented 
* PIC-aware internal structures in X86 Codegen have been refactored
* Visibility (default/weak) has been added
* Docs fixes (external weak linkage, visibility, formatting)

llvm-svn: 33136
 2007-01-12 19:20:47 +00:00
Anton Korobeynikov 4efbbc963f Really big cleanup. 
- New target type "mingw" was introduced
- Same things for both mingw & cygwin are marked as "cygming" (as in
gcc)
- .lcomm is supported here, so allow LLVM to use it
- Correctly use underscored versions of setjmp & _longjmp for both mingw
& cygwin

llvm-svn: 32833
 2007-01-03 11:43:14 +00:00
Chris Lattner 1ef9cd400d eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Rafael Espindola d7998d0e6d move ExtWeakSymbols to AsmPrinter 
llvm-svn: 32648
 2006-12-18 03:37:18 +00:00
Rafael Espindola b313efb0cd fix test/Regression/CodeGen/X86/weak.ll 
if a variable has no initialization, I->getInitializer() will fail

llvm-svn: 32407
 2006-12-09 23:14:08 +00:00
Chris Lattner 700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Evan Cheng 022030a425 Add weak reference directive. 
llvm-svn: 32091
 2006-12-01 20:47:11 +00:00
Evan Cheng 5fb2c76d59 A initialized global variable cannot be extern weak. However, if a global value's initializer is itself a external weak symbol, emit the weak reference. 
llvm-svn: 32069
 2006-12-01 09:13:26 +00:00
Evan Cheng 5b020349f2 Minor code clean up. 
llvm-svn: 32067
 2006-12-01 07:38:23 +00:00
Evan Cheng db66456285 Fix indentation. 
llvm-svn: 32066
 2006-12-01 07:17:00 +00:00
Evan Cheng 6476a3b4ba Darwin X86 external weak linkage support. 
llvm-svn: 32065
 2006-12-01 07:15:24 +00:00
Anton Korobeynikov 12c94949e0 Introducing external weak linkage. Darwin codegen should be added later. 
llvm-svn: 32052
 2006-12-01 00:25:12 +00:00
Evan Cheng a41c2d6432 Nuke dead code. 
llvm-svn: 31327
 2006-10-31 21:53:31 +00:00
Anton Korobeynikov aa4c0f9374 1. Clean up code due to changes in SwitchTo*Section(2) 
2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.

llvm-svn: 31311
 2006-10-31 08:31:24 +00:00
Anton Korobeynikov 49993529eb Unbreaking static ctors patch. 
Defaulting second arguments of SwitchTo*Section, this should make things
somehow clearer.

llvm-svn: 31306
 2006-10-31 06:11:06 +00:00
Reid Spencer 2545fe6d93 Make this compile again. 
llvm-svn: 31304
 2006-10-31 01:45:56 +00:00
Evan Cheng de5ecd6bc1 Apply Aton's LLVM patch for PR973: Linux ctors / dtors support. 
llvm-svn: 31303
 2006-10-31 01:26:55 +00:00
Reid Spencer b51b5c0b1f Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4 
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.

llvm-svn: 31299
 2006-10-30 22:32:30 +00:00
Evan Cheng 0d782b4c60 Doh. Must check if GV is constant first. 
llvm-svn: 31252
 2006-10-28 05:56:06 +00:00
Evan Cheng 392f645783 Put cstrings in .cstring section when compiling for Mac OS X. 
llvm-svn: 31203
 2006-10-26 19:18:18 +00:00
Devang Patel 71b99297aa Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Anton Korobeynikov 41a83d7871 Do section switching right way for Mingw\Cygwin and Linux. 
This will allow (after llvm-gcc linkage fix) more dummy tests using
libstdc++ to pass on mingw :)

llvm-svn: 31120
 2006-10-22 21:37:13 +00:00
Anton Korobeynikov 24b7ac303c Fixed mingw\cygwin linkonce linkage once again. 
Added workaround for linker bug with linkonce sections.
Changed sections prefix to allow linker merge them
(PE loader doesn't like too much long-named sections :) )
All of this unbreaks libstdc++ on mingw32 allowing (small)
programs to be compiled, linked and run.

llvm-svn: 31033
 2006-10-18 09:12:29 +00:00
Anton Korobeynikov 75b01beb2f Adding linkonce linkage codegeneration support for mingw32\cygwin 
targets.

llvm-svn: 31011
 2006-10-17 20:29:49 +00:00
Anton Korobeynikov 34e051d537 Align stack size to DWORD boundary 
llvm-svn: 30964
 2006-10-14 20:53:35 +00:00
Chris Lattner 104aa5dbc1 Various random and minor code cleanups. 
llvm-svn: 30608
 2006-09-26 03:57:53 +00:00
Anton Korobeynikov 3c5b3df6a0 Adding codegeneration for StdCall & FastCall calling conventions 
llvm-svn: 30549
 2006-09-20 22:03:51 +00:00
Anton Korobeynikov 6f7072c66a Added some eye-candy for Subtarget type checking 
Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446
 2006-09-17 20:25:45 +00:00
Anton Korobeynikov d61d39ec53 Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374
 2006-09-14 18:23:27 +00:00
Evan Cheng 11b0a5dbd4 Committing X86-64 support. 
llvm-svn: 30177
 2006-09-08 06:48:29 +00:00
Jim Laskey 261779bb45 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey c7abe471fe Make the x86 asm flavor part of the subtarget info. 
llvm-svn: 30146
 2006-09-07 12:23:47 +00:00
Jim Laskey a6211dcdad Separate target specific asm properties from the asm printers. 
llvm-svn: 30126
 2006-09-06 18:34:40 +00:00
Nate Begeman 984c1a4a8f Emit .set directives for jump table entries when possible, which reduces 
the number of relocations in object files, shrinkifying them.

llvm-svn: 29650
 2006-08-12 21:29:52 +00:00
Jim Laskey 3b4866e194 Use the predicate. 
llvm-svn: 29322
 2006-07-27 02:05:13 +00:00
Nate Begeman 787565024a Support jump tables when in PIC relocation model 
llvm-svn: 29318
 2006-07-27 01:13:04 +00:00
Chris Lattner 2e1d01541a Add an out-of-line virtual method for X86DwarfWriter to give it a home. 
llvm-svn: 29153
 2006-07-14 23:05:05 +00:00
Evan Cheng 56737d4fe3 Move .literal4 and .literal8 support into AsmPrinter.cpp 
llvm-svn: 28978
 2006-06-29 00:33:06 +00:00
Evan Cheng 87813744ba Doh. 
llvm-svn: 28963
 2006-06-28 17:56:43 +00:00
Evan Cheng 0687b04455 Oops. Need to keep CP index. 
llvm-svn: 28958
 2006-06-28 07:55:24 +00:00
Evan Cheng 7f88856d95 Darwin puts float and double literal constants into literal4 and literal8 sections. 
llvm-svn: 28957
 2006-06-28 07:35:41 +00:00
Evan Cheng 0de66677e7 Be consistent with gcc. 
llvm-svn: 28682
 2006-06-04 07:24:07 +00:00
Evan Cheng 29296b844f Minor bug caught by Ashwin Chandra 
llvm-svn: 28491
 2006-05-26 06:22:34 +00:00
Evan Cheng 2554e3d9ba X86 / Cygwin asm / alignment fixes. 
Patch contributed by Anton Korobeynikov!

llvm-svn: 28480
 2006-05-25 21:59:08 +00:00
Chris Lattner d0201946ad Fix the MASM asmprinter's lies. It does not want to emit code to .text/.data 
it wants it emitted to _text/_data.

llvm-svn: 28185
 2006-05-09 05:12:53 +00:00
Chris Lattner 8488ba2e41 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Jeff Cohen ce9b9fe6eb Fix some loose ends in MASM support. 
llvm-svn: 28148
 2006-05-06 21:27:14 +00:00
Chris Lattner c22d4bede5 Print *some* grouping around inline asm blocks so we know where they are. 
llvm-svn: 28133
 2006-05-05 21:48:50 +00:00
Jeff Cohen f812a4fa75 Make Intel syntax the default when LLVM is built with VC++. 
llvm-svn: 28095
 2006-05-04 16:19:27 +00:00
Owen Anderson 20a631fde7 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Nate Begeman 287dc5be0d Hooray, everyone now uses the same printBasicBlockLabel implementation 
llvm-svn: 28056
 2006-05-02 17:34:51 +00:00
Nate Begeman b9d4f8324d Extend printBasicBlockLabel a bit so that it can be used to print all 
basic block labels, consolidating the code to do so in one place for each
target.

llvm-svn: 28050
 2006-05-02 05:37:32 +00:00
Nate Begeman 4ca2ea5b43 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Jim Laskey cf0166fbeb Change interface to DwarfWriter. 
llvm-svn: 26991
 2006-03-23 18:09:44 +00:00
Evan Cheng 2dd2c652b2 Added getTargetLowering() to TargetMachine. Refactored targets to support this. 
llvm-svn: 26742
 2006-03-13 23:20:37 +00:00
Jim Laskey 313570fb17 Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.

llvm-svn: 26599
 2006-03-07 22:00:35 +00:00
Evan Cheng a4a4ceb478 - Emit subsections_via_symbols for Darwin. 
- Conditionalize Dwarf debugging output (Darwin only for now).

llvm-svn: 26582
 2006-03-07 02:23:26 +00:00
Evan Cheng 30d7b70b73 Enable Dwarf debugging info. 
llvm-svn: 26581
 2006-03-07 02:02:57 +00:00
Chris Lattner 16f08f53b1 "." isn't enough to get a private label on linux, use ".L". 
llvm-svn: 26327
 2006-02-23 05:25:02 +00:00
Evan Cheng 1f342c2884 PIC related bug fixes. 
1. Various asm printer bug.
2. Lowering bug. Now TargetGlobalAddress is wrapped in X86ISD::TGAWrapper.

llvm-svn: 26324
 2006-02-23 02:43:52 +00:00
Evan Cheng 2d23c9f1ab Use .zerofill on x86/darwin. 
llvm-svn: 26196
 2006-02-15 01:56:23 +00:00
Chris Lattner 2e07d6370a Darwin doesn't support #APP/#NO_APP 
llvm-svn: 26066
 2006-02-08 23:42:22 +00:00
Evan Cheng adeb8fb5a2 Fixed a local common symbol bug. 
llvm-svn: 26044
 2006-02-07 23:32:58 +00:00
Evan Cheng ec212fb66d For ELF, .comm takes alignment value as the optional 3rd argument. It must be 
specified in bytes.

llvm-svn: 26043
 2006-02-07 21:54:08 +00:00
Evan Cheng 5a76680de1 Darwin ABI issues: weak, linkonce, etc. dynamic-no-pic support is complete. 
Also fixed a function stub bug. Added weak and linkonce support for
x86 Linux.

llvm-svn: 26038
 2006-02-07 08:38:37 +00:00
Chris Lattner c070cb685d Use getPreferredAlignmentLog. 
llvm-svn: 25980
 2006-02-05 01:45:04 +00:00
Chris Lattner 87079884d1 Use the shared asmprinter code for printing special llvm globals 
llvm-svn: 24695
 2005-12-13 06:32:50 +00:00
Chris Lattner 4d80f6e52e Add ELF and darwin support for static ctors and dtors 
llvm-svn: 24693
 2005-12-13 04:53:51 +00:00
Chris Lattner ac6cb46429 Use HasDotTypeDotSizeDirective instead of forELF 
llvm-svn: 24481
 2005-11-21 23:06:54 +00:00
Chris Lattner 78161dbc84 Remove a level of indentation by using a continue. 
llvm-svn: 24479
 2005-11-21 22:48:18 +00:00
Chris Lattner 99be8f766f Use subtarget information computed by X86Subtarget instead of rolling our own. 
llvm-svn: 24477
 2005-11-21 22:39:40 +00:00
Chris Lattner ebc39f5a9c Add a forELF flag, allowing the removal of forCygwin and simplification of 
conditionals.

llvm-svn: 24475
 2005-11-21 22:19:48 +00:00
Chris Lattner 7df25ab429 simplify and genericize this code 
llvm-svn: 24473
 2005-11-21 19:50:31 +00:00
Chris Lattner 4a7eb5132b prune #include 
llvm-svn: 24468
 2005-11-21 08:33:17 +00:00
Chris Lattner 8a5f3c1b68 Switch to using the shared constant pool printer, along with using shorter 
CPI ids

llvm-svn: 24467
 2005-11-21 08:32:23 +00:00
Chris Lattner 99946fb63f Adjust to capitalized AsmPrinter method names 
llvm-svn: 24456
 2005-11-21 07:51:23 +00:00
Chris Lattner 050bf2faf8 convert the rest of this over to use SwitchSection 
llvm-svn: 24448
 2005-11-21 07:16:34 +00:00
Chris Lattner 024e32e118 Start using the AsmPrinter shared SwitchSection code. This allows the X86 
backend to implement global variables in sections.

llvm-svn: 24447
 2005-11-21 07:11:11 +00:00
Chris Lattner 2c0b435ba6 Rename SwitchSection -> switchSection to avoid conflicting with a future 
change.

llvm-svn: 24443
 2005-11-21 06:55:27 +00:00