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30892 Commits

Author SHA1 Message Date
Owen Anderson
3d0e1b855d Privatize the StructType table, which unfortunately involves routing contexts through a number of APIs. 
llvm-svn: 78258
 2009-08-05 23:16:16 +00:00
Bob Wilson
6ee52e0047 Add a new pre-allocation pass to assign adjacent registers for Neon instructions 
that have that constraint.  This is currently just assigning a fixed set of
registers, and it only handles VLDn for n=2,3,4 with DPR registers.
I'm going to expand it to handle more operations next; we can make it smarter
once everything is working correctly.

llvm-svn: 78256
 2009-08-05 23:12:45 +00:00
Anton Korobeynikov
8e6a142223 Better handle kernel code model. Also, generalize the things and fix one 
subtle bug with small code model.

llvm-svn: 78255
 2009-08-05 23:01:26 +00:00
Dan Gohman
2bce18dae9 Use GR32 for copies between GR32_NOSP and GR32_NOREX, as neither 
is a subset of the other, but both are subsets of GR32.

llvm-svn: 78250
 2009-08-05 22:18:26 +00:00
Daniel Dunbar
49dc5e993d Make block and function count available via ProfileInfo. 
- Part of optimal static profiling patch sequence by Andreas Neustifter.

llvm-svn: 78247
 2009-08-05 21:51:16 +00:00
David Goodwin
6e4065d7c6 When using NEON for single-precision FP, the NEON result must be placed in D0-D15 as these are the only D registers with S subregs. Introduce a new regclass to represent D0-D15 and use it in the NEON single-precision FP patterns. 
llvm-svn: 78244
 2009-08-05 21:02:22 +00:00
David Greene
af3c172859 Fix some column padding bugs, reorganize things as suggested by Chris 
and eliminate complexity.  Yay!

llvm-svn: 78243
 2009-08-05 21:00:52 +00:00
Chris Lattner
8a74485e06 remove the 'DataSectionStartSuffix' and 'TextSectionStartSuffix' knobs. 
llvm-svn: 78242
 2009-08-05 20:49:52 +00:00
Dan Gohman
ba72f59923 Fix FindExecutable to use sys::Path::GetMainExecutable instead of 
just argv[0]. And remove the code for searching the current
working directory and for searching PATH; the point of FindExecutable
is not to find whatever version of the executable can be found by
searching around, but to find an executable that accompanies the
current executable.

Update the tools to use sys::Program::FindProgramByName when they
want PATH searching.

llvm-svn: 78240
 2009-08-05 20:21:17 +00:00
Dan Gohman
50e5bf5aa4 Minor code simplification. 
llvm-svn: 78239
 2009-08-05 20:16:55 +00:00
Anton Korobeynikov
7a0835dec5 Remove redundand checks: the only way to have, e.g. f32 RegVT is exactly 
hardfloat case.

llvm-svn: 78237
 2009-08-05 20:15:19 +00:00
Dan Gohman
892fcb1d57 hasSuperClass tests for a strict superset relation, rather than 
a superset relation. This code wants to test the regular superset
relation.

llvm-svn: 78236
 2009-08-05 20:13:45 +00:00
Anton Korobeynikov
7f9b6ff4a3 Unbreak the stuff, this is ugly, but we cannot do better for now with 'plain' C calling conv. 
llvm-svn: 78232
 2009-08-05 19:40:16 +00:00
Anton Korobeynikov
07ce0611d9 Missed pieces for ARM HardFP ABI. 
Patch by Sandeep Patel!

llvm-svn: 78225
 2009-08-05 19:04:42 +00:00
Owen Anderson
bfcf39cec6 Privatize the FunctionType table. 
llvm-svn: 78221
 2009-08-05 18:13:27 +00:00
Andrew Lenharth
fe85ecc26b Use elf Object File directly 
llvm-svn: 78220
 2009-08-05 18:13:04 +00:00
Daniel Dunbar
3d2ac751da Remove some dead code. 
llvm-svn: 78219
 2009-08-05 18:12:37 +00:00
Dan Gohman
ac47a4b9ed Enable the new no-SP register classes by default. This is to address 
PR4572. A few tests have some minor code regressions due to different
coalescing.

llvm-svn: 78217
 2009-08-05 17:40:24 +00:00
Bob Wilson
c0e1bed13f Remove a redundant declaration. 
llvm-svn: 78216
 2009-08-05 17:39:44 +00:00
Dan Gohman
38208563e9 Update a comment to reflect the current code. 
llvm-svn: 78215
 2009-08-05 17:32:39 +00:00
Anton Korobeynikov
81300620cf Convert bswap test to filecheck, add more test entries & convert stuff to filecheck 
llvm-svn: 78212
 2009-08-05 16:50:53 +00:00
Dan Gohman
dda3c89020 Fix a bug in the PIC16 backend. 
llvm-svn: 78211
 2009-08-05 16:46:43 +00:00
David Goodwin
9013115518 Disable NEON single-precision FP support for Cortex-A8, for now... 
llvm-svn: 78209
 2009-08-05 16:40:57 +00:00
Devang Patel
fde898c9f1 Remove dead code. MDNode and MDString are not Constant anymore. 
llvm-svn: 78207
 2009-08-05 16:40:02 +00:00
Anton Korobeynikov
c95b5fb0e5 Add memory versions of some instructions. 
Patch by Neale Ferguson!

llvm-svn: 78203
 2009-08-05 16:16:11 +00:00
Benjamin Kramer
f4e8fdcdd5 Rename a variable to make MSVC happy. 
llvm-svn: 78202
 2009-08-05 16:08:58 +00:00
David Goodwin
47064aa1c6 By default, for cortex-a8 use NEON for single-precision FP. 
llvm-svn: 78200
 2009-08-05 16:01:19 +00:00
Daniel Dunbar
eabd825693 Remove unnecessary ProfileInfoLoader methods. 
- Part of optimal static profiling patch sequence by Andreas Neustifter.

llvm-svn: 78199
 2009-08-05 15:55:56 +00:00
Anton Korobeynikov
27fdf43425 Special constants as destinations does not work as expected - drop the patterns. 
llvm-svn: 78191
 2009-08-05 14:42:00 +00:00
Andrew Lenharth
1c03c3e158 Alpha: Get section directives right 
llvm-svn: 78189
 2009-08-05 13:59:57 +00:00
Anton Korobeynikov
021f465fb5 Cleanup in dbg_stoppoint handling in CBE. Patch by Sandeep Patel. 
llvm-svn: 78182
 2009-08-05 09:31:40 +00:00
Anton Korobeynikov
0b9020497c Minor arm CBE fixes. Patch by Sandeep. 
llvm-svn: 78181
 2009-08-05 09:31:07 +00:00
Anton Korobeynikov
f2b8211265 Emit module-level inline asm for CBE. 
Patch by Sandeep Patel

llvm-svn: 78180
 2009-08-05 09:29:56 +00:00
Evan Cheng
eb8c4db271 Disable stack coloring with register for now. It's not able to set kill markers. 
llvm-svn: 78179
 2009-08-05 07:26:17 +00:00
Evan Cheng
87e24bb76e Another nasty coalescer bug (is there another kind): 
After coalescing reg1027's def and kill are both at the same point:
 %reg1027,0.000000e+00 = [56,814:0)  0@70-(814)

bb5:
60   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
68   %reg1027<def> = t2LDRi12 %reg1027<kill>, 8, 14, %reg0
76   t2CMPzri %reg1038<kill,undef>, 0, 14, %reg0, %CPSR<imp-def>
84   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
96   t2Bcc mbb<bb5,0x2030910>, 1, %CPSR<kill>

Do not remove the kill marker on t2LDRi12.

llvm-svn: 78178
 2009-08-05 07:05:41 +00:00
Bruno Cardoso Lopes
078329e0a6 Remove accidental commited comment 
llvm-svn: 78177
 2009-08-05 07:00:43 +00:00
Bruno Cardoso Lopes
2ae97a2777 - Remove custom handling of jumptables by the elf writter (this was 
a dirty hack and isn't need anymore since the last x86 code emitter patch)
- Add a target-dependent modifier to addend calculation
- Use R_X86_64_32S relocation for X86::reloc_absolute_word_sext
- Use getELFSectionFlags whenever possible
- fix getTextSection to use TLOF and emit the right text section 
- Handle global emission for static ctors, dtors and Type::PointerTyID
- Some minor fixes

llvm-svn: 78176
 2009-08-05 06:57:03 +00:00
Evan Cheng
a27fac5075 80 col violations. 
llvm-svn: 78175
 2009-08-05 06:41:25 +00:00
Chris Lattner
94f55a81bd common globals may also not be marked constant. 
llvm-svn: 78169
 2009-08-05 05:41:44 +00:00
Dan Gohman
1110fb6bbd Teach X86FastISel how to handle CCValAssign::BCvt, which is used for 
MMX arguments. This fixes PR4684.

llvm-svn: 78163
 2009-08-05 05:33:42 +00:00
Chris Lattner
19d238562d Clarify common linkage and the requirements on it. Enforce 
them in the verifier.

llvm-svn: 78160
 2009-08-05 05:21:07 +00:00
Andreas Bolka
4d59f26912 ZIV tester for LDA. 
llvm-svn: 78157
 2009-08-05 04:26:05 +00:00
Chris Lattner
fd211f171d expose SectionKindForGlobal to curious clients, named as 
getKindForGlobal.

llvm-svn: 78156
 2009-08-05 04:25:40 +00:00
Andreas Bolka
fcea3a23a0 Restrict LDA to GEPs with the same pointer offset. 
We can not simply apply ZIV testing to the pointer offsets, as this
would incorrectly return independence for e.g. (GEP x,0,i; GEP x,1,-i).

llvm-svn: 78155
 2009-08-05 04:13:41 +00:00
Chris Lattner
f7d482ff1e add a temporary hook to allow reuse of the asmprinter from the disassembler. 
llvm-svn: 78154
 2009-08-05 04:09:18 +00:00
Evan Cheng
6fc78f15fe Turn some insert_subreg, extract_subreg, subreg_to_reg into implicit_defs. 
llvm-svn: 78151
 2009-08-05 03:53:14 +00:00
Bob Wilson
15c5c15ccb Oops. I didn't mean to commit this piece yet. 
llvm-svn: 78146
 2009-08-05 02:47:13 +00:00
Evan Cheng
9b8516d864 One more. Transfer kill of the larger register when lowering an EXTRACT_SUBREG. 
llvm-svn: 78145
 2009-08-05 02:25:11 +00:00
Evan Cheng
d85e73ca64 One more place where subreg lowering forgot to transfer undefness. 
llvm-svn: 78144
 2009-08-05 01:57:22 +00:00
Dan Gohman
5d566d918b Major calling convention code refactoring. 
Instead of awkwardly encoding calling-convention information with ISD::CALL,
ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering
provides three virtual functions for targets to override:
LowerFormalArguments, LowerCall, and LowerRet, which replace the custom
lowering done on the special nodes. They provide the same information, but
in a more immediately usable format.

This also reworks much of the target-independent tail call logic. The
decision of whether or not to perform a tail call is now cleanly split
between target-independent portions, and the target dependent portion
in IsEligibleForTailCallOptimization.

This also synchronizes all in-tree targets, to help enable future
refactoring and feature work.

llvm-svn: 78142
 2009-08-05 01:29:28 +00:00