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87c3d4173e
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22937 Commits

Author SHA1 Message Date
Dan Gohman
87c3d4173e Fix a bug in the ELF writer that caused it to produce malformed 
ELF headers. The ELF writer still isn't generally usable though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-05 16:48:32 +00:00
Dan Gohman
600bf16cf7 Use a dedicated IsLinux flag instead of an ELFLinux TargetType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50649 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-05 16:11:31 +00:00
Dan Gohman
a779a9899a Add AsmPrinter support for emitting a directive to declare that 
the code being generated does not require an executable stack.

Also, add target-specific code to make use of this on Linux
on x86. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50634 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-05 00:28:39 +00:00
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