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23084 Commits

Author SHA1 Message Date
Anton Korobeynikov
6625eff8ec Add General Dynamic TLS model for X86-64. Some parts looks really ugly (look for tlsaddr pattern), 
but should work. Work is in progress, more models will follow


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50630 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-04 21:36:32 +00:00
Chris Lattner
cc81d15605 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50621 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-04 17:18:47 +00:00
Gordon Henriksen
16c1f44d91 Use (void) instead of () in C code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50620 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-04 12:55:34 +00:00
Evan Cheng
5759f97f50 Select vector shift with non-immediate i32 shift amount operand by first moving the operand into the right register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50619 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-04 09:15:50 +00:00
Torok Edwin
529bd53411 processStore may delete the instruction, avoid 
using dyn_cast<> on already freed memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50618 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-04 08:51:25 +00:00
Torok Edwin
f6055806d4 Implement destructor for PostDominatorTree to eliminate a memory leak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50607 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-03 20:25:26 +00:00
Devang Patel
7b39969528 Handle multiple return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50604 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-03 01:12:15 +00:00
Evan Cheng
22b942aa4d Add separate intrinsics for MMX / SSE shifts with i32 integer operands. This allow us to simplify the horribly complicated matching code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50601 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-03 00:52:09 +00:00
Devang Patel
f944c9a19e Do not sink getresult. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50600 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-03 00:36:30 +00:00
Devang Patel
201ebe3899 Add assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50596 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 22:13:33 +00:00
Dan Gohman
1d9cd50677 Fix a mistake in the computation of leading zeros for udiv. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50591 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 21:30:02 +00:00
Evan Cheng
48e8c80e17 Suppress -Wshorten-64-to-32 warnings for 64-bit hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50590 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 21:15:08 +00:00
Chris Lattner
e818f770bb strength reduce exp2 into ldexp, rdar://5852514 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 18:43:35 +00:00
Chris Lattner
4446997e0a add a FIXME so we remember to eventually remove this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 17:18:31 +00:00
Evan Cheng
082f1161b1 Undo r50574. We are already ensuring the folded load address is 16-byte aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 17:01:01 +00:00
Evan Cheng
b609339a5c 80 column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 07:53:32 +00:00
Evan Cheng
ef6a512489 Not safe folding a load + FsXORPSrr into FsXORPSrm. It's loading a FR64 value but the load folding variant expects a 16-byte aligned address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50574 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 07:50:58 +00:00
Bill Wendling
643310da6d Porting r50563 from Tak to mainline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50564 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 00:43:20 +00:00
Dan Gohman
7ceda160b3 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 00:05:03 +00:00
Dan Gohman
1fa850bdd2 Use push_back(...) instead of resize(1, ...), per review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50561 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-02 00:03:54 +00:00
Dan Gohman
cba3b44d25 Fix uninitialized uses of the FPC variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 23:40:44 +00:00
Dale Johannesen
796026711d Don't try to create PHIs of struct types. Fallout 
from x86-64 calling convention work.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 22:27:44 +00:00
Dan Gohman
e85b7585e9 Fix an overaggressive SimplifyDemandedBits optimization on urem. This 
fixes the 254.gap regression on x86 and the 403.gcc regression on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50537 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 19:13:24 +00:00
Chris Lattner
6bf30ab347 don't randomly miscompile seto/setuo just because we are in 
ffastmath mode.  This fixes rdar://5902801, a miscompilation
of gcc.dg/builtins-8.c.

Bill, please pull this into Tak.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 07:26:11 +00:00
Chris Lattner
56b4f2bdf6 1) add '-debug' output 
2) Return NULL instead of false in several places for tidiness.
3) fix a bug optimizing  sprintf(p, "%c", x)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 06:39:12 +00:00
Chris Lattner
fd1cbbe9cf Delete the IPO simplify-libcalls and completely reimplement it as 
a FunctionPass.  This makes it simpler, fixes dozens of bugs, adds
a couple of minor features, and shrinks is considerably: from
2214 to 1437 lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50520 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-01 06:25:24 +00:00
Chris Lattner
5c5f1095ec fix a bug in my previous patch, a classic =/== bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 15:27:09 +00:00
Arnold Schwaighofer
30e62c098b Tail call optimization improvements: 
Move platform independent code (lowering of possibly overwritten
arguments, check for tail call optimization eligibility) from
target X86ISelectionLowering.cpp to TargetLowering.h and
SelectionDAGISel.cpp.

Initial PowerPC tail call implementation:

Support ppc32 implemented and tested (passes my tests and
test-suite llvm-test).  
Support ppc64 implemented and half tested (passes my tests).
On ppc tail call optimization is performed if 
  caller and callee are fastcc
  call is a tail call (in tail call position, call followed by ret)
  no variable argument lists or byval arguments
  option -tailcallopt is enabled
Supported:
 * non pic tail calls on linux/darwin
 * module-local tail calls on linux(PIC/GOT)/darwin(PIC)
 * inter-module tail calls on darwin(PIC)
If constraints are not met a normal call will be emitted.

A test checking the argument lowering behaviour on x86-64 was added.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50477 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 09:16:33 +00:00
Gabor Greif
8811080a65 fcntl.h is pretty standard on unix (without the sys/) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 08:53:22 +00:00
Owen Anderson
5023aa58ca This condition got inverted accidentally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50473 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 07:16:33 +00:00
Chris Lattner
69ea9d2308 move lowering of llvm.memset -> store from simplify libcalls 
to instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50472 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 06:39:11 +00:00
Chris Lattner
12e6d20059 add a method for comparing to see if a value has a specified name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 03:55:40 +00:00
Chris Lattner
ea8650cddf use string length computation to generalize several xforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 03:07:53 +00:00
Dale Johannesen
21d972ad04 Add comments for previous patch as requested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 00:43:29 +00:00
Scott Michel
203b2d6eed Bug fixes and updates for CellSPU, syncing up with trunk. Most notable 
fixes are target-specific lowering of frame indices, fix constants generated
for the FSMBI instruction, and fixing SPUTargetLowering::computeMaskedBitsFor-
TargetNode().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 00:30:08 +00:00
Scott Michel
82747a5484 Fix custom target lowering for zero/any/sign_extend: make sure that 
DAG.UpdateNodeOperands() is called before (not after) the call to
TLI.LowerOperation().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-30 00:26:38 +00:00
Dale Johannesen
7b251e0474 Make eh_frame objects by 8-byte aligned on 64-bit 
targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50451 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 22:58:20 +00:00
Owen Anderson
02e9988020 Revert r50441. The original code was correct. Add some more comments so that I don't make the same mistake in the future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50446 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 21:51:00 +00:00
Owen Anderson
9dcace3caf Fix a bug in memcpyopt where the memcpy-memcpy transform was never being applied because 
we were checking for it in the wrong order.  This caused a miscompilation because the
return slot optimization assumes that the call it is dealing with is NOT a memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50444 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 21:26:06 +00:00
Owen Anderson
7b6fafaa8d We should be returning true here since we've changed the function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50442 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 21:02:46 +00:00
Owen Anderson
9862f31533 A lot of cleanups and documentation improvements, as well as a few corner case fixes. Most 
of this was suggested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50441 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 20:59:33 +00:00
Owen Anderson
0396cd33ca Rename DeadLoopElimination to LoopDeletion, part 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50437 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 20:06:54 +00:00
Owen Anderson
d6864fee97 Rename DeadLoopElimination to LoopDeletion, part one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50436 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 19:58:07 +00:00
Anton Korobeynikov
966e7997b5 Don't do stupid things: doInitialization(Module&) is not applicable to ModulePass :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50433 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 18:16:22 +00:00
Chris Lattner
40700fe683 don't eliminate load from volatile value on paths where the load is dead. 
This fixes the second half of PR2262


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50430 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 17:28:22 +00:00
Chris Lattner
54545ac023 fix a subtle volatile handling bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50428 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 17:13:43 +00:00
Roman Levenstein
a0201d5204 Use std::set instead of std::priority_queue for the RegReductionPriorityQueue. 
This removes the existing bottleneck related to the removal of elements from 
the middle of the queue.

Also fixes a subtle bug in ScheduleDAGRRList::CapturePred:
It was updating the state of the SUnit before removing it. As a result, the
comparison operators were working incorrectly and this SUnit could not be removed 
from the queue properly.

Reviewed by Evan and Dan. Approved by Dan.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50412 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 09:07:59 +00:00
Chris Lattner
5b222d748a Implement more aggressive support for analyzing string length. This 
generalizes the previous code to handle the case when the string is not
an immediate to the strlen call (for example, crazy stuff like 
strlen(c ? "foo" : "bart"+1) -> 3).  This implements 
gcc.c-torture/execute/builtins/strlen-2.c.  I will generalize other
cases in simplifylibcalls to use the same routine later.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50408 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 06:56:02 +00:00
Owen Anderson
5f8b344255 Clarify what we mean by a dead loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50406 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 06:34:55 +00:00
Chris Lattner
cea1fdd174 don't delete the last store to an alloca if the store is volatile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-29 04:58:38 +00:00