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130 Commits

Author SHA1 Message Date
Anton Korobeynikov
3edf77ac04 Use TARGET2 relocation for TType references on ARM. 
Do some cleanup of the code while here.

Inspired by patch by Logan Chien!

llvm-svn: 167904
 2012-11-14 01:47:00 +00:00
Micah Villmow
bb1a25cd67 Move TargetData to DataLayout. 
llvm-svn: 165402
 2012-10-08 16:38:25 +00:00
Eric Christopher
d0a426dbe4 Typo. 
llvm-svn: 156226
 2012-05-05 01:16:06 +00:00
Craig Topper
bf6a47d0ec Prune some includes 
llvm-svn: 153502
 2012-03-27 07:54:11 +00:00
Chris Lattner
7a6bd0185e Remove some dead code and tidy things up now that vectors use ConstantDataVector 
instead of always using ConstantVector.

llvm-svn: 149912
 2012-02-06 21:56:39 +00:00
Chris Lattner
c67dced045 C++, CBE, and TLOF support for ConstantDataSequential 
llvm-svn: 148805
 2012-01-24 14:17:05 +00:00
Chandler Carruth
2a6b59a693 Add 'llvm_unreachable' to passify GCC's understanding of the constraints 
of several newly un-defaulted switches. This also helps optimizers
(including LLVM's) recognize that every case is covered, and we should
assume as much.

llvm-svn: 147861
 2012-01-10 18:08:01 +00:00
David Blaikie
8d47bb30e3 Remove unnecessary default cases in switches that cover all enum values. 
llvm-svn: 147855
 2012-01-10 16:47:17 +00:00
Nick Lewycky
7d0d3c2d58 Move global variables in TargetMachine into new TargetOptions class. As an API 
change, now you need a TargetOptions object to create a TargetMachine. Clang
patch to follow.

One small functionality change in PTX. PTX had commented out the machine
verifier parts in their copy of printAndVerify. That now calls the version in
LLVMTargetMachine. Users of PTX who need verification disabled should rely on
not passing the command-line flag to enable it.

llvm-svn: 145714
 2011-12-02 22:16:29 +00:00
Evan Cheng
c9bc5a9011 Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc. 
There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.

llvm-svn: 135611
 2011-07-20 19:50:42 +00:00
Evan Cheng
380dc98371 Add MCObjectFileInfo and sink the MCSections initialization code from 
TargetLoweringObjectFileImpl down to MCObjectFileInfo.

TargetAsmInfo is done to one last method. It's *almost* gone!

llvm-svn: 135569
 2011-07-20 05:58:47 +00:00
Chris Lattner
e1fe7061ce land David Blaikie's patch to de-constify Type, with a few tweaks. 
llvm-svn: 135375
 2011-07-18 04:54:35 +00:00
Evan Cheng
7bdc771798 Fix up TargetLoweringObjectFile ctors to properly initialize fields. 
llvm-svn: 135068
 2011-07-13 19:54:59 +00:00
Bill Wendling
42866c8944 Use the presence of the __compact_unwind section to indicate that a target 
supports compact unwind info instead of having a separate flag indicating this.

llvm-svn: 133685
 2011-06-23 05:13:28 +00:00
Bill Wendling
ec779bc283 Add a flag that indicates whether a target supports compact unwind info or not. 
llvm-svn: 133662
 2011-06-22 23:16:51 +00:00
Bill Wendling
72c8521466 Add a __LD,__compact_unwind section. 
If the linker supports it, this will hold the CIE and FDE information in a
compact format. The implementation of the compact unwinding emission is coming
soon.

llvm-svn: 133658
 2011-06-22 22:22:24 +00:00
Jay Foad
9dc6571cbc Fix a FIXME by making GlobalVariable::getInitializer() return a 
const Constant *.

llvm-svn: 133400
 2011-06-19 18:37:11 +00:00
Bill Wendling
7a13f3bde3 Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>

llvm-svn: 130918
 2011-05-05 06:49:15 +00:00
Rafael Espindola
eb5d0cb4f4 GCC uses a different encoding of pointers in the FDE when using 
-fno-dwarf2-cfi-asm. Implement the same behavior.

llvm-svn: 130637
 2011-05-01 04:49:54 +00:00
Rafael Espindola
36e419b524 Remove unnecessary argument. 
llvm-svn: 130343
 2011-04-27 23:17:57 +00:00
Rafael Espindola
0525497a16 Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, and 
give it a bit more responsibility. Also implement it for MachO.

If hacked to use cfi, 32 bit MachO will produce

.cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr

and 64 bit will produce

.cfi_presonality ___gxx_personality_v0

The general idea is that .cfi_personality gets passed the final symbol. It is
up to codegen to produce it if using indirect representation (like 32 bit
MachO), but it is up to MC to decide which relocations to create.

llvm-svn: 130341
 2011-04-27 23:08:15 +00:00
Rafael Espindola
09e9797728 Remove unused arguments. 
llvm-svn: 129844
 2011-04-20 03:08:09 +00:00
Francois Pichet
dd7a5695e3 MSVC needs the return 0 to compile. 
llvm-svn: 129640
 2011-04-16 13:59:23 +00:00
Rafael Espindola
9e5aaa3b78 Put each personality function in a section. This fixes the gnu ld warning: 
error in foo.o; no .eh_frame_hdr table will be created.

llvm-svn: 129635
 2011-04-16 03:51:21 +00:00
Rafael Espindola
99831068c8 Add 129518 back with a fix for when we are producing eh just because of debug info. 
Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.

llvm-svn: 129571
 2011-04-15 15:11:06 +00:00
NAKAMURA Takumi
7aed456653 Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the" 
It broke several builds.

llvm-svn: 129557
 2011-04-15 03:35:57 +00:00
Rafael Espindola
d5eed657e2 Change ELF systems to use CFI for producing the EH tables. This reduces the 
size of the clang binary in Debug builds from 690MB to 679MB.

llvm-svn: 129518
 2011-04-14 15:18:53 +00:00
Rafael Espindola
aefd549139 Delay the creation of eh_frame so that the user can change the defaults. 
Add support for SHT_X86_64_UNWIND.

llvm-svn: 124059
 2011-01-23 05:43:40 +00:00
Chris Lattner
047388c197 minor change to rafael's recent patches: if something is 
constant but requires a unique address, we can still put it in a
readonly section, just not a mergable one.

llvm-svn: 123711
 2011-01-18 01:23:44 +00:00
Rafael Espindola
7933fffe38 Only put unnamed_addr constants in mergeable sections. Fixes PR8297. 
llvm-svn: 123585
 2011-01-16 17:19:34 +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
Dan Gohman
0b5b93b20d Eliminate unnecessary uses of getZExtValue(). 
llvm-svn: 106279
 2010-06-18 14:22:04 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Chris Lattner
962d3d700b fix GetOrCreateTemporarySymbol to require a name, clients 
should use CreateTempSymbol() if they don't care about the
name.

llvm-svn: 98712
 2010-03-17 05:41:18 +00:00
Chris Lattner
01e70df9b2 finally give Mangler a getSymbol method, which returns an MCSymbol 
for a global instead of messing around with string buffers.

llvm-svn: 98366
 2010-03-12 18:55:20 +00:00
Chris Lattner
07e124cec5 make TargetLoweringObjectFile::getExprForDwarfReference 
just make unnamed temp symbols instead of having to come
up with its own names.

llvm-svn: 98324
 2010-03-12 01:56:43 +00:00
Chris Lattner
5aefaeb42e fix a fixme in TargetLoweringObjectFile::getExprForDwarfReference 
where we used ot create an MCSymbol for ".".  Now emit an assembler
temporary label and reference it instead of "." textually.

rdar://7739457

llvm-svn: 98292
 2010-03-11 21:55:20 +00:00
Chris Lattner
1ce9dfd498 rename getSymbolForDwarf* to getExprForDwarf* since it returns 
an MCExpr and not an MCSymbol.  Change it to take an MCStreamer,
which is currently unused.

No functionality change.

llvm-svn: 98278
 2010-03-11 19:41:58 +00:00
Chris Lattner
e34dde1e83 move three lowering hooks from MAI to TLOF and make one of them 
semantic instead of syntactic.  This completes MCization of
darwin/x86[-64]!

llvm-svn: 98145
 2010-03-10 07:20:42 +00:00
Chris Lattner
ed0b8d36e4 set the temporary bit on MCSymbols correctly. 
llvm-svn: 98124
 2010-03-10 02:25:11 +00:00
Bill Wendling
964b01232c Make error statement more personal. 
llvm-svn: 96410
 2010-02-16 22:47:14 +00:00
Anton Korobeynikov
ef1862e256 Move TLOF implementations to libCodegen to resolve layering violation. 
llvm-svn: 96288
 2010-02-15 22:37:53 +00:00
Anton Korobeynikov
4d16d87eb1 Add suffix for stubs, so we won't have name clashes with private symbols. 
llvm-svn: 96286
 2010-02-15 22:36:26 +00:00
Anton Korobeynikov
dccd240998 Preliminary patch to improve dwarf EH generation - Hooks to return Personality / FDE / LSDA / TType encoding depending on target / options (e.g. code model / relocation model) - MCIzation of Dwarf EH printer to use encoding information - Stub generation for ELF target (needed for indirect references) - Some other small changes here and there 
llvm-svn: 96285
 2010-02-15 22:35:59 +00:00
Benjamin Kramer
13b3fa1f36 Simplify some uses of str(n)cmp with StringRef. 
llvm-svn: 94189
 2010-01-22 18:21:23 +00:00
Chris Lattner
15e2a64ec2 stop using the .lcomm pseudoop on darwin, instead, directly use the 
.zerofill directive.  Streamerize its generation.

llvm-svn: 93868
 2010-01-19 06:25:51 +00:00
Chris Lattner
63ef960b83 make TLOF subclassify BSS based on linkage type into private, external 
and everything else (weak).

llvm-svn: 93846
 2010-01-19 04:15:51 +00:00
Chris Lattner
c42d723862 fix a significant difference between llvm and gcc on ELF systems: 
GCC would put weak zero initialized mutable data in the .bss section,
we would put it into a crasy '.gnu.linkonce.b.test,"aw",@nobits' 
section.  Fixing this will allow simplifications next up.

llvm-svn: 93844
 2010-01-19 03:06:01 +00:00
Chris Lattner
77f12b9ee0 introduce a section kind for common linkage. Use this to slightly 
simplify and commonize some of the asmprinter logic for globals.

This also avoids printing the MCSection for .zerofill, which broke
the llvm-gcc build.

llvm-svn: 93843
 2010-01-19 02:48:26 +00:00
Chris Lattner
816fcd1287 Cleanup handling of .zerofill on darwin: 
1. TargetLoweringObjectFileMachO should decide if something
   goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
   the right MCSection, the asmprinters should just emit to the
   right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
   MAI can have a bool "haszerofill" instead of having the textual
   directive to emit.

llvm-svn: 93838
 2010-01-19 02:09:44 +00:00