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Author SHA1 Message Date
Nadav Rotem
33b2c76073 Vectorization docs. 
llvm-svn: 166364
 2012-10-20 02:34:34 +00:00
Chad Rosier
f81bc67275 [ms-inline asm] Rename AsmOpRewrite to just AsmRewrite to be more generic. No functional change intended. 
llvm-svn: 166360
 2012-10-20 01:02:45 +00:00
Chad Rosier
be98459bfd [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.

llvm-svn: 166357
 2012-10-20 00:47:08 +00:00
Nadav Rotem
61a5b018ad LoopVectorize: Keep the IRBuilder on the stack. 
llvm-svn: 166354
 2012-10-19 23:27:19 +00:00
Chad Rosier
03179afe79 [ms-inline asm] Continue parsing even when we're in an ignore block. 
llvm-svn: 166352
 2012-10-19 23:15:00 +00:00
Nadav Rotem
8fe03aa4c1 Vectorizer: Add support for loop reductions. 
For example:

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

llvm-svn: 166351
 2012-10-19 23:05:40 +00:00
Shuxin Yang
d8a190a17c 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. 

llvm-svn: 166350
 2012-10-19 23:00:20 +00:00
Chad Rosier
3d1b58e0f9 [ms-inline asm] Reset the opcode prior to parsing a statement. 
llvm-svn: 166349
 2012-10-19 22:57:33 +00:00
Akira Hatanaka
5439c43726 [mips] Use 64-bit registers to return an sret pointer if target ABI is N64. 
llvm-svn: 166344
 2012-10-19 22:11:40 +00:00
Eric Christopher
42faa398e7 Grammar-o. 
llvm-svn: 166343
 2012-10-19 22:10:54 +00:00
Akira Hatanaka
32235d5612 [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.

llvm-svn: 166342
 2012-10-19 21:47:33 +00:00
Akira Hatanaka
18ec43c9c2 [mips] Fix TAILCALL's operand node type. 
llvm-svn: 166341
 2012-10-19 21:30:15 +00:00
Nadav Rotem
13a468b929 revert r166264 because the LTO build is still failing 
llvm-svn: 166340
 2012-10-19 21:28:43 +00:00
Akira Hatanaka
d728ae0014 [mips] Delete MipsFunctionInfo::MaxCallFrameSize which is no longer used. 
llvm-svn: 166339
 2012-10-19 21:18:38 +00:00
Akira Hatanaka
54f6697369 [mips] Add tail call instructions. 
llvm-svn: 166338
 2012-10-19 21:14:34 +00:00
Akira Hatanaka
8198825482 [mips] Make the branch nodes used in jump instructions a template parameter. 
llvm-svn: 166337
 2012-10-19 21:11:03 +00:00
Akira Hatanaka
cfc486ced3 Add node and enum for mips tail call. 
llvm-svn: 166318
 2012-10-19 20:59:39 +00:00
Chad Rosier
b2e9c0e226 [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.

llvm-svn: 166316
 2012-10-19 20:57:14 +00:00
Michael Liao
432bf8dcf1 Add 'IntrNoReturn' for longjmp intrinsics 
llvm-svn: 166314
 2012-10-19 20:43:54 +00:00
Benjamin Kramer
0edfdde403 SimplifyLibcalls: The return value of ffsll is always i32, even when the input is zero. 
Fixes PR13028.

llvm-svn: 166313
 2012-10-19 20:43:44 +00:00
Micah Villmow
4dcbb3e605 Fix a build error for ocaml bindings that was introduced with the TargetData --> DataLayout changes. 
llvm-svn: 166309
 2012-10-19 20:36:22 +00:00
Chad Rosier
9de7b4647d [ms-inline asm] Add a MCAsmParserSemaCallback to the TargetAsmParser. 
llvm-svn: 166308
 2012-10-19 20:35:42 +00:00
Daniel Dunbar
7abcd13b24 lit: Rename the valgrind leaks feature to match what is currently used 
(vg_leak).

llvm-svn: 166306
 2012-10-19 20:29:30 +00:00
Daniel Dunbar
48d2376b89 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.

llvm-svn: 166305
 2012-10-19 20:29:27 +00:00
Daniel Dunbar
4747331126 lit: Add 'valgrind' and 'valgrind-leaks' features when valgrind is used. 
- These can be used with the XFAIL options.

llvm-svn: 166303
 2012-10-19 20:12:00 +00:00
Daniel Dunbar
9d930b0d06 tests: Stop mangling '-vg' into the triple, we don't use this currently. 
- Also, lit is going to get a valgrind feature, instead.

llvm-svn: 166302
 2012-10-19 20:11:56 +00:00
Shuxin Yang
3ad15929e7 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. 

llvm-svn: 166300
 2012-10-19 20:11:16 +00:00
Chad Rosier
2f344f2453 [ms-inline asm] Add the isParsingInlineAsm() function to the MCAsmTargetParser. 
llvm-svn: 166292
 2012-10-19 17:57:49 +00:00
Benjamin Kramer
49175bcdcd Indvars: Don't recursively delete instruction during BB iteration. 
This can invalidate the iterators leading to use after frees and crashes.
Fixes PR12536.

llvm-svn: 166291
 2012-10-19 17:53:54 +00:00
Daniel Dunbar
05096e6a09 Fix some doc-os. 
llvm-svn: 166290
 2012-10-19 17:23:39 +00:00
Daniel Dunbar
b86f0140e9 lit: Propagate TERM variable in environment, some tools can do really obscure 
odd things if this is missing.

llvm-svn: 166289
 2012-10-19 17:23:34 +00:00
Michael Liao
9984a3bee3 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.

llvm-svn: 166288
 2012-10-19 17:15:18 +00:00
Benjamin Kramer
77d71ab3d7 SCEVExpander: Don't crash when trying to merge two constant phis. 
Just constant fold them so they can't cause any trouble. Fixes PR12627.

llvm-svn: 166286
 2012-10-19 16:37:30 +00:00
Alexey Samsonov
947d01e1c5 [ASan] Support comments in ASan/TSan blacklist file as lines starting with # 
llvm-svn: 166283
 2012-10-19 15:24:46 +00:00
Evgeniy Stepanov
3628bf2d69 Move SplitBlockAndInsertIfThen to BasicBlockUtils. 
llvm-svn: 166278
 2012-10-19 10:48:31 +00:00
Benjamin Kramer
5080891e07 LoopVectorize: Keep the IRBuilder on the stack. 
No functionality change.

llvm-svn: 166274
 2012-10-19 08:42:02 +00:00
Stepan Dyatkovskiy
ece4c2a9c1 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.

llvm-svn: 166273
 2012-10-19 08:23:06 +00:00
Nick Lewycky
c111dcf2c1 Pacify -Wnon-virtual-dtor. 
llvm-svn: 166270
 2012-10-19 07:00:09 +00:00
Kostya Serebryany
83b25ee2df [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. 
llvm-svn: 166267
 2012-10-19 06:20:53 +00:00
Nadav Rotem
ac33a84388 recommit the patch that makes LSR and LowerInvoke use the TargetTransform interface. 
llvm-svn: 166264
 2012-10-19 04:27:49 +00:00
Michael Liao
cdcbe73b38 Simplify condition checking as CONCAT assume all inputs of the same type. 
llvm-svn: 166260
 2012-10-19 03:17:00 +00:00
Nadav Rotem
451f76acc3 vectorizer: Add support for reading and writing from the same memory location. 
llvm-svn: 166255
 2012-10-19 01:24:18 +00:00
Nadav Rotem
3cce3abf28 Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke. 
llvm-svn: 166248
 2012-10-18 23:22:48 +00:00
Nadav Rotem
fe5d8c8c09 cleanup the comment. 
llvm-svn: 166247
 2012-10-18 23:21:01 +00:00
Jordan Rose
2d1d4bb52f Fix case for include of Compiler.h. 
llvm-svn: 166243
 2012-10-18 22:36:01 +00:00
Jordan Rose
254e676432 Add move constructors for OwningPtr and OwningArrayPtr. 
While LLVM itself is still C++03, there's no reason why tools built on
top of it can't use C++11 features.

llvm-svn: 166242
 2012-10-18 22:22:58 +00:00
Jordan Rose
8f3fa09912 Add a T&& constructor to llvm::Optional. 
This allows llvm::Optional to be used with movable-but-not-copyable types.
While LLVM itself is still C++03, there's no reason why tools built on
top of it can't use C++11 features.

llvm-svn: 166241
 2012-10-18 22:22:55 +00:00
Bob Wilson
93c7551fe3 Mark bugpoint tests with XFAIL when building with LTO. <rdar://problem/12473675> 
The LTO Internalize pass is hiding symbols needed by the bugpoint-passes
plug-in.  We need to add a flag to control whether Internalize should be run.
This is a temporary workaround to make these tests pass in the meantime.

llvm-svn: 166239
 2012-10-18 22:03:31 +00:00
Kevin Enderby
300b29c6b4 Fix a bug where a 32-bit address with the high bit does not get symbolicated 
because the value is incorrectly being signed extended when passed to
SymbolLookUp().

llvm-svn: 166234
 2012-10-18 21:49:18 +00:00
Nadav Rotem
ac2f32d807 fix a naming typo 
llvm-svn: 166232
 2012-10-18 21:45:31 +00:00