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Author SHA1 Message Date
Dmitri Gribenko
b8f2d82403 Document current Doxygen use practices in Coding Standards. Mostly it is 
obvious stuff and most new code being committed conforms to that.  Some old
code does not; this might cause confusion and this is the motivation to
document the correct guidelines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166378 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 13:27:43 +00:00
Benjamin Kramer
63a4c24616 Symbol hygiene: Make sure declarations and definitions match, make helper functions static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166376 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 12:53:26 +00:00
Benjamin Kramer
2a13242b20 SROA: Simplify code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166375 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 12:04:57 +00:00
Benjamin Kramer
82a1833865 InstCombine: Fix an edge case where constant icmps could sneak into ConstantFoldInstOperands and crash. 
Have to refactor the ConstantFolder interface one day to define bugs like this away. Fixes PR14131.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166374 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 08:43:52 +00:00
Nadav Rotem
bf8772ed2c Vectorize: teach cavVectorizeMemory to distinguish between A[i]+=x and A[B[i]]+=x. 
If the pointer is consecutive then it is safe to read and write. If the pointer is non-loop-consecutive then
it is unsafe to vectorize it because we may hit an ordering issue.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166371 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 08:26:33 +00:00
Nadav Rotem
71a1482239 Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166367 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 05:03:27 +00:00
Nadav Rotem
e6748f91ea Vectorizer: refactor the memory checks to a new function. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166366 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 04:59:06 +00:00
Nadav Rotem
2dc1921e9b Vectorization docs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166364 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 02:34:34 +00:00
Chad Rosier
4e472d2277 [ms-inline asm] Rename AsmOpRewrite to just AsmRewrite to be more generic. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166360 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 01:02:45 +00:00
Chad Rosier
17feeec8d8 [ms-inline asm] If the state of the parser is ignore, then don't parse the 
inline assembly.  Also make sure the remove the ignored statements from the IR.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166357 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-20 00:47:08 +00:00
Nadav Rotem
4ade92b614 LoopVectorize: Keep the IRBuilder on the stack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166354 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 23:27:19 +00:00
Chad Rosier
13090f70fc [ms-inline asm] Continue parsing even when we're in an ignore block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166352 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 23:15:00 +00:00
Nadav Rotem
5dbe64e2bc Vectorizer: Add support for loop reductions. 
For example:

  for (i=0; i<n; i++)
   sum += A[i] +  B[i] + i;



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166351 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 23:05:40 +00:00
Shuxin Yang
cfc6cb0c61 1. Remove noreturn attribute from __builtin_debugtrap(). 
(The change at Clang side was committed in r166345)

2. Cosmetic change in order to conform to coding standards. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166350 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 23:00:20 +00:00
Chad Rosier
ab450e42f1 [ms-inline asm] Reset the opcode prior to parsing a statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166349 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 22:57:33 +00:00
Akira Hatanaka
30580cea43 [mips] Use 64-bit registers to return an sret pointer if target ABI is N64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166344 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 22:11:40 +00:00
Eric Christopher
60f0819cb5 Grammar-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166343 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 22:10:54 +00:00
Akira Hatanaka
2b861be96e [mips] Add code to do tail call optimization. 
Currently, it is enabled only if option "enable-mips-tail-calls" is given and
all of the callee's arguments are passed in registers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166342 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:47:33 +00:00
Akira Hatanaka
e050902ca7 [mips] Fix TAILCALL's operand node type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166341 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:30:15 +00:00
Nadav Rotem
a04a4a79ea revert r166264 because the LTO build is still failing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166340 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:28:43 +00:00
Akira Hatanaka
e06ce4c2c4 [mips] Delete MipsFunctionInfo::MaxCallFrameSize which is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166339 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:18:38 +00:00
Akira Hatanaka
01a75c46e3 [mips] Add tail call instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166338 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:14:34 +00:00
Akira Hatanaka
1f027135a8 [mips] Make the branch nodes used in jump instructions a template parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166337 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 21:11:03 +00:00
Akira Hatanaka
58d1e3f72a Add node and enum for mips tail call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166318 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:59:39 +00:00
Chad Rosier
96d58e64cf [ms-inline asm] Have the TargetParser callback to Sema to determine the size of 
a memory operand.  Retain this information and then add the sizing directives
to the IR.  This allows the backend to do proper instruction selection.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166316 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:57:14 +00:00
Michael Liao
e2b95ebfb0 Add 'IntrNoReturn' for longjmp intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166314 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:43:54 +00:00
Benjamin Kramer
0aae4bd0fc SimplifyLibcalls: The return value of ffsll is always i32, even when the input is zero. 
Fixes PR13028.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166313 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:43:44 +00:00
Micah Villmow
28ce1cc183 Fix a build error for ocaml bindings that was introduced with the TargetData --> DataLayout changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166309 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:36:22 +00:00
Chad Rosier
faf547053b [ms-inline asm] Add a MCAsmParserSemaCallback to the TargetAsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166308 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:35:42 +00:00
Daniel Dunbar
6b283ea945 lit: Rename the valgrind leaks feature to match what is currently used 
(vg_leak).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166306 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:29:30 +00:00
Daniel Dunbar
f793fbc569 lit: Remove support for XTARGET. 
- The XTARGET feature (inherited from old DG tests) was just confusing (and
   barely ever used). The same effect can now be achieved with a combination of
   the more useful REQUIRES and XFAIL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166305 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:29:27 +00:00
Daniel Dunbar
f854597fc1 lit: Add 'valgrind' and 'valgrind-leaks' features when valgrind is used. 
- These can be used with the XFAIL options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166303 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:12:00 +00:00
Daniel Dunbar
9f4acd0aab tests: Stop mangling '-vg' into the triple, we don't use this currently. 
- Also, lit is going to get a valgrind feature, instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166302 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:11:56 +00:00
Shuxin Yang
970755e519 This patch is to fix radar://8426430. It is about llvm support of __builtin_debugtrap() 
which is supposed to consistently raise SIGTRAP across all systems. In contrast,
__builtin_trap() behave differently on different systems. e.g. it raises SIGTRAP on ARM, and
SIGILL on X86. The purpose of __builtin_debugtrap() is to consistently provide "trap"
functionality, in the mean time preserve the compatibility with on gcc on __builtin_trap().

  The X86 backend is already able to handle debugtrap(). This patch is to:
  1) make front-end recognize "__builtin_debugtrap()" (emboddied in the one-line change to Clang).
  2) In DAG legalization phase, by default, "debugtrap" will be replaced with "trap", which
     make the __builtin_debugtrap() "available" to all existing ports without the hassle of
     changing their code.
  3) If trap-function is specified (via -trap-func=xyz to llc), both __builtin_debugtrap() and
     __builtin_trap() will be expanded into the function call of the specified trap function.
    This behavior may need change in the future.

  The provided testing-case is to make sure 2) and 3) are working for ARM port, and we
already have a testing case for x86. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166300 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 20:11:16 +00:00
Chad Rosier
9abfbdfc77 [ms-inline asm] Add the isParsingInlineAsm() function to the MCAsmTargetParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166292 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 17:57:49 +00:00
Benjamin Kramer
7182126b0f Indvars: Don't recursively delete instruction during BB iteration. 
This can invalidate the iterators leading to use after frees and crashes.
Fixes PR12536.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166291 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 17:53:54 +00:00
Daniel Dunbar
de7c37efe2 Fix some doc-os. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166290 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 17:23:39 +00:00
Daniel Dunbar
7badf45739 lit: Propagate TERM variable in environment, some tools can do really obscure 
odd things if this is missing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166289 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 17:23:34 +00:00
Michael Liao
facace808c Lower BUILD_VECTOR to SHUFFLE + INSERT_VECTOR_ELT for X86 
- If INSERT_VECTOR_ELT is supported (above SSE2, either by custom
  sequence of legal insn), transform BUILD_VECTOR into SHUFFLE +
  INSERT_VECTOR_ELT if most of elements could be built from SHUFFLE with few
  (so far 1) elements being inserted.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166288 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 17:15:18 +00:00
Benjamin Kramer
239fd44f7a SCEVExpander: Don't crash when trying to merge two constant phis. 
Just constant fold them so they can't cause any trouble. Fixes PR12627.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166286 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 16:37:30 +00:00
Alexey Samsonov
34674fea97 [ASan] Support comments in ASan/TSan blacklist file as lines starting with # 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166283 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 15:24:46 +00:00
Evgeniy Stepanov
4a2dec05ce Move SplitBlockAndInsertIfThen to BasicBlockUtils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166278 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 10:48:31 +00:00
Benjamin Kramer
17f68c52d2 LoopVectorize: Keep the IRBuilder on the stack. 
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166274 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 08:42:02 +00:00
Stepan Dyatkovskiy
0d3c8d5d16 ARM: 
Removed extra stack frame object for fixed byval arguments,
VarArgsStyleRegisters invocation was reworked due to some improper usage in
past. PR14099 also demonstrates it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166273 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 08:23:06 +00:00
Nick Lewycky
0d7d11d57f Pacify -Wnon-virtual-dtor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166270 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 07:00:09 +00:00
Kostya Serebryany
bd0052a0f2 [asan] make sure asan erases old unused allocas after it created a new one. This became important after the recent move from ModulePass to FunctionPass because no cleanup is happening after asan pass any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166267 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 06:20:53 +00:00
Nadav Rotem
725f1d1280 recommit the patch that makes LSR and LowerInvoke use the TargetTransform interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166264 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 04:27:49 +00:00
Michael Liao
9aecdb51c7 Simplify condition checking as CONCAT assume all inputs of the same type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166260 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 03:17:00 +00:00
Nadav Rotem
89e7b356f2 vectorizer: Add support for reading and writing from the same memory location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166255 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-19 01:24:18 +00:00
Nadav Rotem
cbd9a19b5d Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166248 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-18 23:22:48 +00:00