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86731 Commits

Author SHA1 Message Date
Meador Inge a0b6d87879 instcombine: Migrate *abs optimizations 
This patch migrates the *abs optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

llvm-svn: 168574
 2012-11-26 00:24:07 +00:00
Meador Inge 7415f8403d instcombine: Migrate ffs* optimizations 
This patch migrates the ffs* optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

llvm-svn: 168571
 2012-11-25 20:45:27 +00:00
Nadav Rotem ee7ede76f4 Move the max vector width to a constant parameter. No functionality change. 
llvm-svn: 168570
 2012-11-25 16:48:08 +00:00
Nadav Rotem ef33b5076c Fix the document style. 
llvm-svn: 168569
 2012-11-25 16:39:01 +00:00
Nadav Rotem 12192f19eb Refactor the ptr runtime check generation code. No functionality change. 
llvm-svn: 168568
 2012-11-25 16:27:16 +00:00
Joe Abbey 2ad8df24ec Code Custodian: 
- Widespread trailing space removal
  - A dash of OCD spacing to block align enums
  - joined a line that probably needed 80 cols a while back

llvm-svn: 168566
 2012-11-25 15:23:39 +00:00
Rafael Espindola cdb9a538d6 Add support for .cfi_register now that it is easy to extent the representation 
to support it. Original patch with the parsing and plumbing by the PaX team and
Roman Divacky. I added the bits in MCDwarf.cpp and the test.

llvm-svn: 168565
 2012-11-25 15:14:49 +00:00
Benjamin Kramer 18907acb3f Move semantics are great, don't destroy the optimization opportunity with trivial copy ctors. 
No functionality change.

llvm-svn: 168561
 2012-11-25 11:52:03 +00:00
Nadav Rotem b15d9fe24d Rename method. No functionality change. 
llvm-svn: 168560
 2012-11-25 09:13:57 +00:00
Nadav Rotem bf5173460f The induction-pointer work is inspired by a research paper. This commit adds a reference. 
llvm-svn: 168559
 2012-11-25 09:09:26 +00:00
Nadav Rotem ea3824f160 Add support for pointer induction variables even when there is no integer induction variable. 
llvm-svn: 168558
 2012-11-25 08:41:35 +00:00
Craig Topper 79bd205d8c Refactor to make helper method static. 
llvm-svn: 168557
 2012-11-25 08:08:58 +00:00
Rafael Espindola fa4acf5704 Further cleanups. Thanks for Sean Silva for noticing it. 
llvm-svn: 168556
 2012-11-25 02:50:32 +00:00
Craig Topper 12cf860d4f Add an extra slash so doxygen comments will be properly recognized. 
llvm-svn: 168554
 2012-11-25 00:59:59 +00:00
Craig Topper 268b62288e Remove duplicate check of LimitFloatPrecision. It was already checked earlier before IsExp10 could be set to true. 
llvm-svn: 168553
 2012-11-25 00:48:58 +00:00
Craig Topper 8571944cf1 Factor common code out of individual if blocks into common tail. 
llvm-svn: 168551
 2012-11-25 00:15:07 +00:00
Craig Topper d374694b07 Remove redundant calls to getCurDebugLoc in visitIntrinsicCall. It's already called at the start of the function and captured in a local variable. 
llvm-svn: 168548
 2012-11-24 23:05:23 +00:00
Craig Topper d2638c1894 Refactor a bit to make some helper methods static. 
llvm-svn: 168546
 2012-11-24 18:52:06 +00:00
Benjamin Kramer 9bcb9226f6 libLTO: Add a utility method to initialize the disassemblers. 
Necessary to give disassembler users (like darwin's otool) a possibility to
dlopen libLTO and still initialize the required LLVM bits. This used to go
through libMCDisassembler but that's a gross layering violation, the MC layer
can't pull in functions from the targets. Adding a function to libLTO is a bit
of a hack but not worse than exposing other disassembler bits from libLTO.

Fixes PR14362.

llvm-svn: 168545
 2012-11-24 16:59:10 +00:00
Benjamin Kramer 1694f91266 PPC: Reinstate the fatal error when trying to emit a macho file. 
llvm-svn: 168543
 2012-11-24 15:23:49 +00:00
Benjamin Kramer 07ea85a5e6 ARM: Share applyFixup between ELF and Darwin. 
The implementations already diverged a bit, merge them back together.

llvm-svn: 168542
 2012-11-24 14:36:43 +00:00
Benjamin Kramer dd76a93af5 PPC: MCize most of the darwin PIC emission. 
The last remaining bit is "bcl 20, 31, AnonSymbol", which I couldn't find the
instruction definition for. Only whitespace changes in assembly output.

llvm-svn: 168541
 2012-11-24 13:18:25 +00:00
Benjamin Kramer 8abfec3967 PPC: Share applyFixup between ELF and Darwin. 
llvm-svn: 168540
 2012-11-24 13:18:17 +00:00
Benjamin Kramer 69dc3fe461 PPC: Simplify code with Twines. 
No functionality change.

llvm-svn: 168539
 2012-11-24 13:18:11 +00:00
Craig Topper 4a98175800 Factor some common code out of individual if blocks. 
llvm-svn: 168538
 2012-11-24 08:22:37 +00:00
Rafael Espindola cc0c74a76c Change the representation of MCCFIInstruction. 
We now store the Register and Offset directly. MachineLocation is gone (from
this file)!

llvm-svn: 168536
 2012-11-24 04:33:48 +00:00
Rafael Espindola 5dce65b21e Give each MCCFIInstruction its own opcode. 
This untangles the switch cases of the old Move and RelMove opcodes a bit
and makes it clear how to add new instructions.

llvm-svn: 168534
 2012-11-24 03:10:54 +00:00
Rafael Espindola 7a6e441262 Move a bit of duplicated code into a helper function. 
llvm-svn: 168533
 2012-11-24 02:18:49 +00:00
Rafael Espindola 1c3086cc91 Refactor how MCCFIInstructions are created. 
Give MCCFIInstruction a single, private constructor and add helper static
methods that create each type of cfi instruction. This is is preparation
for changing its representation. The representation with a pair
MachineLocations older than MC and has been abused quiet a bit to support
more cfi instructions.

llvm-svn: 168532
 2012-11-24 02:01:08 +00:00
Benjamin Kramer 455fa35e51 CodeGenPrepare: Move ret duplication out of the instruction iteration loop. 
It can delete the block, and the loop continues on free'd memory.
No change in output. Found by valgrind.

llvm-svn: 168525
 2012-11-23 19:17:06 +00:00
Craig Topper bef254ab16 Refactor a bit to make some helper functions static. 
llvm-svn: 168524
 2012-11-23 18:38:31 +00:00
Rafael Espindola b3b60570e3 Add a -disable-cfi option to llvm-mc. This is useful for debugging as 
it will expand any .cfi_* directives in the input assembly.

Unfortunately this cannot replace elf-dump in tests as the asm streamer
cannot relax the line advance opcodes.

llvm-svn: 168522
 2012-11-23 17:37:34 +00:00
Rafael Espindola 9bb247813a Implement .cfi_undefined. Based on a patch from PaX team, updated by 
Roman Divacky. I just added the testcase.

llvm-svn: 168520
 2012-11-23 16:59:41 +00:00
Patrik Hägglund 59189597de Disallow the undocumented practice of starting the datalayout string with '-'. 
Update some test cases accordingly.

llvm-svn: 168516
 2012-11-23 14:51:42 +00:00
Bill Wendling 6966727299 Update call to the new syntax. 
llvm-svn: 168512
 2012-11-23 11:05:35 +00:00
Joey Gouly 9519823271 Remove unused parameter Penalty from the BoundsChecking pass. 
llvm-svn: 168511
 2012-11-23 10:47:35 +00:00
Patrik Hägglund f77cc055cd Cleanup: Simplify loop end logic in computeRegisterProperties(). 
llvm-svn: 168507
 2012-11-23 08:35:04 +00:00
Venkatraman Govindaraju fee0e0f792 Added me as the owner of the Sparc backend 
llvm-svn: 168504
 2012-11-22 22:14:48 +00:00
Rafael Espindola 02ad0cb075 Mark me as the owner of the gold plugin. 
llvm-svn: 168502
 2012-11-22 16:43:44 +00:00
Meador Inge 780a1861f1 Add more functions to the target library information. 
I discovered a few more missing functions while migrating optimizations
from the simplify-libcalls pass to the instcombine (I already added some
in r167659).

llvm-svn: 168501
 2012-11-22 15:36:42 +00:00
NAKAMURA Takumi 6b8b2a9b98 llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp: Prune AddressSanitizerCreateGlobalRedzonesPass::ID. [-Wunused-variable] 
llvm-svn: 168499
 2012-11-22 14:18:25 +00:00
Eli Bendersky 26e7efeb1a Fix 80-col violation 
llvm-svn: 168498
 2012-11-22 14:10:40 +00:00
NAKAMURA Takumi bb9279a6af IntelJITEventsWrapper.h: Prune two members, FinalizeThreadFunc and FinalizeProcessFunc, for now. [-Wunused-private-field] 
llvm-svn: 168495
 2012-11-22 13:18:37 +00:00
Dmitri Gribenko 6ac1de48f9 Documentation: convert SourceLevelDebugging.html to reST 
llvm-svn: 168493
 2012-11-22 11:56:02 +00:00
Chandler Carruth 315e719dff Remove 'sretpromotion' pass from the documentation. This pass is long 
dead.

Patch by Stephan Falke.

llvm-svn: 168492
 2012-11-22 11:17:08 +00:00
Ted Kremenek 68ab5ecd75 Generalize matching of add_executable to add_XXX_executable. 
llvm-svn: 168490
 2012-11-22 07:48:52 +00:00
Lang Hames e9541c820a llvm.fmuladd.* lowering should be checking isOperationLegalOrCustom, rather than 
isOperationLegal. Thanks to Craig Topper for pointing this out.

llvm-svn: 168485
 2012-11-22 03:31:45 +00:00
Kostya Serebryany 20a79970e0 [asan] rip off the creation of global redzones from the main AddressSanitizer class into a separate class. The intent is to make it a separate ModulePass in the following commmits 
llvm-svn: 168484
 2012-11-22 03:18:50 +00:00
Eric Christopher 960ac37832 Pull some code out into functions to make rearranging them a bit easier. 
llvm-svn: 168481
 2012-11-22 00:59:49 +00:00
Preston Briggs 3ad394931d Corrects a problem where we reply exclusively of GEPs to drive 
analysis.  Better is to look for cases with useful GEPs and use them
when possible.  When a pair of useful GEPs is not available, use the
raw SCEVs directly. This approach supports better analysis of pointer
dereferencing.

In parallel, all the test cases are updated appropriately.
Cases where we have a store to *B++ can now be analyzed!

llvm-svn: 168474
 2012-11-21 23:50:04 +00:00