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Author SHA1 Message Date
Bill Wendling
69e4adb22e - Move the stackprotector intrinsic to the general section. 
- Rewrite the sentence to make it look as if English is my first language.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59592 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 05:56:17 +00:00
Owen Anderson
75fa96bb71 Add support for rematerialization in pre-alloc-splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59587 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 04:28:29 +00:00
Daniel Dunbar
911cfdb7d7 LLVMC2: -emit-llvm stops compilation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 04:15:56 +00:00
Daniel Dunbar
ff6477b720 LLVMC2: Teach llvm_gcc_c tool about -include and -fsyntax-only. 
- Only focusing on llvm_gcc_c for now, eventually this needs to be
   refactored so it can be shared via all the gcc-like tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:59:00 +00:00
Daniel Dunbar
607d6bb819 Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59581 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:37:39 +00:00
Dan Gohman
c2f9062ea4 Rearrange code to reduce the nesting level. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59580 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 02:00:32 +00:00
Bill Wendling
9173383e4e Use dyn_cast instead of cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59577 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 01:25:41 +00:00
Bill Wendling
bccdcca7d1 Match an element of the return type if it returns a structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 01:15:05 +00:00
Devang Patel
fb5fd5a0bb Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59570 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:22:02 +00:00
Devang Patel
b876cc193c Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:19:18 +00:00
Oscar Fuentes
6307b9440a CMake: Support for building 32 bits shared libraries on 64 bits GNU 
systems. BUILD_32_BITS option renamed to LLVM_BUILD_32_BITS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59568 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:10:39 +00:00
Dan Gohman
06da2bc19f Fix debug printing of flagged SDNodes in SUnits so that they 
print in the correct order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 00:04:44 +00:00
Evan Cheng
3a5b020292 Make the same change to RegScavenger::backward. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59566 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:54:01 +00:00
Oscar Fuentes
4b442836fc CMake: Option for enabling/disabling threads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59565 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:45:21 +00:00
Bill Wendling
c5b795e8ce Verify that the second parameter of the stacprotector intrinsic is an alloca 
instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59563 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 23:09:31 +00:00
Evan Cheng
63a431c670 We also need to keep the operand index for two address check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:56:19 +00:00
Evan Cheng
9c64bf3905 Register scavenger should process early clobber defs first. A dead early clobber def should not interfere with a normal def which happens one slot later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59559 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:28:38 +00:00
Evan Cheng
01f63cdb04 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:27:13 +00:00
Bill Wendling
3c44f5bec9 Documentation for the llvm.stackprotector intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59557 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:10:53 +00:00
Devang Patel
f17fc461d1 Add new helper pass that strips all symbol names except debugging information. 
This pass makes it easier to test wheter debugging info. influences optimization passes or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:34:39 +00:00
Dan Gohman
c99da1348d Don't set neverHasSideEffects on x86's divide instructions, since 
they trap on divide-by-zero, and this side effect is otherwise
unmodeled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59551 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:29:14 +00:00
Dan Gohman
1256f5fe76 Tidy up ScheduleNodeBottomUp methods, and make them more 
consistent with ScheduleNodeTopDown methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:22:20 +00:00
Dan Gohman
0454e8685f Update a comment to reflect the current code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59549 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:14:44 +00:00
Duncan Sands
9a6b92de4c Remove integer promotion support for FP_EXTEND 
and FP_ROUND.  Not sure what these were doing
here - probably they were sometimes (wrongly)
created with integer operands somewhere that
has since been fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59548 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:13:59 +00:00
Devang Patel
4460a7e90c Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59547 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:13:41 +00:00
Oscar Fuentes
56608780c3 CMake: Remove HAVE_LT_DLOPEN from config.h.cmake because it was 
removed from config.h.in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59546 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:12:01 +00:00
Duncan Sands
c08468774b Simplify code using helper routines. There is not 
supposed to be any functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 20:56:22 +00:00
Owen Anderson
5a92d4e657 Fix a bug introduced by my previous patch. With this change, SPEC is now clean with prealloc splitting enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59544 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 20:53:59 +00:00
Dan Gohman
cbad42cfd1 Add more const qualifiers. This fixes build breakage from r59540. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:49:32 +00:00
Dan Gohman
b3b930a011 Make some methods const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:04:29 +00:00
Devang Patel
4f3096b6af Initialize MallocFunc and FreeFunc properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 18:43:07 +00:00
Dan Gohman
3dbc4e3502 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 17:05:42 +00:00
Dan Gohman
8b88a9130b Add svn:ignore for build directories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 17:03:06 +00:00
Duncan Sands
331a746101 LegalizeTypes support for splitting and scalarizing 
SCALAR_TO_VECTOR.  I didn't add the testcase, because
once llc gets past scalar-to-vector it hits a SPU target
lowering bug and explodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 16:40:48 +00:00
Nick Lewycky
dd643f26c4 Add a utility function that detects whether a loop is guaranteed to be finite. 
Use it to safely handle less-than-or-equals-to exit conditions in loops. These
also occur when the loop exit branch is exit on true because SCEV inverses the
icmp predicate.

Use it again to handle non-zero strides, but only with an unsigned comparison
in the exit condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 15:10:54 +00:00
Bill Wendling
5734450d40 Rename stackprotector_create intrinsic to stackprotector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 11:01:33 +00:00
Bill Wendling
9bef70609c Cast to remove warning about comparing signed and unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59518 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:57:27 +00:00
Nicolas Geoffray
67c8c4caba Implement support for JIT exceptions on X86_64. Relative offsets are 
encoded on 32 bytes, and the personality function is not encoded as
relative.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:44:46 +00:00
Duncan Sands
130fea2ca0 Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:39:04 +00:00
Duncan Sands
51d83fdd89 Reapply r59464, this time using the correct type 
when softening FNEG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59513 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 09:15:03 +00:00
Bill Wendling
c4ae87ac76 A simple test for stack protectors. This should be valid on all platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59505 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 07:34:50 +00:00
Bill Wendling
733bbc5320 Remove the stackprotector_check intrinsic. Use a volatile load instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 07:30:57 +00:00
Bill Wendling
c3348a77f7 - Use "moveAfter" instead of "remove/insert" of a basic block. 
- Use less indentation in coding.
- Shorten description.
- Update comments.
- Move code around


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 05:32:11 +00:00
Dan Gohman
6c2fe2237b Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59489 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 02:50:01 +00:00
Dan Gohman
3cc6243ddf Change SUnit's dump method to take a ScheduleDAG* instead of 
a SelectionDAG*.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59488 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 02:06:40 +00:00
Bill Wendling
8f55b3d67d Revert r59464. It was causing this failure: 
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll
Failed with signal(SIGABRT) at line 1
while running:  llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll |  llc -march=xcore > fneg.ll.tmp1.s
Assertion failed: (VT.isFloatingPoint() && "Cannot create integer FP constant!"), function getConstantFP, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/SelectionDAG.cpp, line 913.
0   llc                                 0x0092115c _ZN4llvm3sys18RemoveFileOnSignalERKNS0_4PathEPSs + 844
1   libSystem.B.dylib                   0x9217809b _sigtramp + 43
2   ???                                 0xffffffff 0x0 + 4294967295
3   libSystem.B.dylib                   0x921f0ec2 raise + 26
4   libSystem.B.dylib                   0x9220047f abort + 73
5   libSystem.B.dylib                   0x921f2063 __assert_rtn + 101
6   llc                                 0x005a5b0a _ZN4llvm12SelectionDAG13getConmake[1]: *** [check-local] Error 1
make: *** [check] Error 2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59487 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 01:49:24 +00:00
Dan Gohman
e45b6f10e2 There is no InstrStage class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 01:05:04 +00:00
Devang Patel
13877bf6c2 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 00:40:02 +00:00
Dan Gohman
2d093f3560 Avoid using a loop in ReleasePred and ReleaseSucc methods to compute the 
new CycleBound value. Instead, just update CycleBound on each call.
Also, make ReleasePred and ReleaseSucc methods more consistent accross
the various schedulers.

This also happens to make ScheduleDAGRRList's CycleBound computation
somewhat more interesting, though it still doesn't have any noticeable
effect, because no current targets that use the register-pressure
reduction scheduler provide pipeline models.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 00:38:59 +00:00
Devang Patel
cd40233429 While handling floating point IVs lift restrictions on initial value and increment value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 23:27:13 +00:00