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Author SHA1 Message Date
Chris Lattner
ac77bfdbd4 If a function calls setjmp, never inline it into other functions. This is 
a hack around the fact that we don't represent the CFG correctly for sj/lj.
It fixes PR2486.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-14 00:46:56 +00:00
Chris Lattner
4238453135 simplify some code, shuffle and insertelt always return a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-14 00:32:20 +00:00
Chris Lattner
10c5d36ca9 Add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53535 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-14 00:19:59 +00:00
Chris Lattner
fdb19e5887 Fix PR2506 by being a bit more careful about reverse fact propagation when 
disproving a condition.  This actually compiles the existing testcase
(udiv_select_to_select_shift) to:

define i64 @test(i64 %X, i1 %Cond) {
entry:
	%divisor1.t = lshr i64 %X, 3		; <i64> [#uses=1]
	%quotient2 = lshr i64 %X, 3		; <i64> [#uses=1]
	%sum = add i64 %divisor1.t, %quotient2		; <i64> [#uses=1]
	ret i64 %sum
}

instead of:

define i64 @test(i64 %X, i1 %Cond) {
entry:
	%quotient1.v = select i1 %Cond, i64 3, i64 4		; <i64> [#uses=1]
	%quotient1 = lshr i64 %X, %quotient1.v		; <i64> [#uses=1]
	%quotient2 = lshr i64 %X, 3		; <i64> [#uses=1]
	%sum = add i64 %quotient1, %quotient2		; <i64> [#uses=1]
	ret i64 %sum
}



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53534 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-14 00:15:52 +00:00
Chris Lattner
093a438502 Fix mishandling of the infinite loop case when merging two blocks. This 
fixes PR2540.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 22:23:11 +00:00
Chris Lattner
b824512b8d more refactoring. Use early exits instead of really complex logic. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 22:04:41 +00:00
Chris Lattner
eb388af89f improve comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 21:55:46 +00:00
Chris Lattner
867661ac8b factor another large hunk of code out into its own function. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 21:53:26 +00:00
Chris Lattner
3698909623 Final bit of simplification for FoldBranchToCommonDest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 21:20:19 +00:00
Chris Lattner
70087f31f1 simplify logic a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 21:15:11 +00:00
Chris Lattner
1347e87c7b Refactor some code out into its own helper function, getting rid of crazy multiline 
conditionals and commenting the code better.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-13 21:12:01 +00:00
Nick Lewycky
59cff12f88 Stop creating extraneous smax/umax in SCEV. This removes a regression where we 
started complicating many loops ('for' loops, in fact).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 07:41:32 +00:00
Nick Lewycky
3ac9e109b2 Enhance analysis of srem. 
Remove dead code analyzing urem. 'urem' of power-of-2 is canonicalized to an
'and' instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 05:04:38 +00:00
Evan Cheng
5330192ab5 Implement llvm.atomic.cmp.swap.i32 on PPC. Patch by Gary Benson! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53505 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 02:23:19 +00:00
Evan Cheng
b9890ae3c3 Typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 02:22:07 +00:00
Evan Cheng
79a796c2b1 Fix PR2536: a nasty spiller bug. If a two-address instruction uses a register but the use portion of its live range is not part of its liveinterval, it must be defined by an implicit_def. In that case, do not spill the use. e.g. 
8   %reg1024<def> = IMPLICIT_DEF
12  %reg1024<def> = INSERT_SUBREG %reg1024<kill>, %reg1025, 2

The live range [12, 14) are not part of the r1024 live interval since it's defined by an implicit def. It will not conflicts with live interval of r1025. Now suppose both registers are spilled, you can easily see a situation where both registers are reloaded before the INSERT_SUBREG and both target registers that would overlap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53503 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 01:56:02 +00:00
Evan Cheng
b5eec33dcd Back out 53476 and 53480 for now. Somehow they cause llc to miscompile 179.art. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53502 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 01:38:51 +00:00
Dan Gohman
cddc11e757 Add a utility function to MachineInstr for testing whether an instruction 
has exactly one MachineMemOperand, and change some X86 lowering code to
make use of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-12 00:10:52 +00:00
Dan Gohman
e6acf36dca Fix spelling of "hierarchy" in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53489 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 22:51:32 +00:00
Dan Gohman
a54cf17661 Include a frame index in the "fixed stack" pseudo source value 
instead of using the frame index for the SVOffset, which was
inconsistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53486 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 22:44:52 +00:00
Dan Gohman
5e76c3be73 Fix an obsolete top-level comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53481 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 22:39:58 +00:00
Dan Gohman
0f4012f475 Factor out debugging code into the common base class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 22:36:22 +00:00
Dan Gohman
dbe2a5a269 Add support for putting NamedRegionTimers in TimerGroups, and 
use a timer group for the timers in SelectionDAGISel. Also,
Split scheduling out from emitting, to give each their own
timer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 21:54:34 +00:00
Dan Gohman
c418bf3dd5 Use find instead of lower_bound. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53474 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 20:58:19 +00:00
Chris Lattner
78d60458d5 add support for returning i128, PR2532. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53472 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 20:53:00 +00:00
Dan Gohman
dc2fbddd9d Trim unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 20:38:31 +00:00
Owen Anderson
c45996bf74 Don't call lookupNumber more than we have to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53470 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 20:05:13 +00:00
Duncan Sands
92e0834ac7 Remove an apparently useless routine: there should 
be no need to split the result of a vector RET node,
since they are always already legal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 17:02:09 +00:00
Duncan Sands
ac6cecec18 It is pointless to turn a UINT_TO_FP into an 
SINT_TO_FP libcall plus additional operations:
it might as well be a direct UINT_TO_FP libcall.
So only turn it into an SINT_TO_FP if the target
has special handling for SINT_TO_FP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 17:00:14 +00:00
Duncan Sands
9bed0f58eb Add two missing SINT_TO_FP libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 16:57:02 +00:00
Duncan Sands
edfba7e707 Port a shift-by-1 optimization from LegalizeDAG: it 
was presumably added after the rest of the code was
copied to LegalizeTypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53459 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 16:54:57 +00:00
Duncan Sands
dddc6291fb Add support for 128 bit shifts and 32 bit shifts 
on 16 bit machines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 16:52:29 +00:00
Nick Lewycky
7d9843fc37 Document 'mask' in this calculation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53454 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 08:16:26 +00:00
Duncan Sands
569d8f7087 Align comments, colons and cases. Remove trailing 
whitespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53453 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 07:37:30 +00:00
Nick Lewycky
1f26c188f8 Remove misleading constant from comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53452 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 07:36:19 +00:00
Nick Lewycky
4bf1e59819 Add another optimization from PR2330. Also catch some missing cases that are 
similar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53451 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 07:20:53 +00:00
Bill Wendling
71ca353ae6 The frame address on an x86-64 box needs to be offset by -8, not -4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53450 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 07:18:52 +00:00
Chris Lattner
d01bee7170 a missed optimization that Eli spotted 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53449 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 06:40:29 +00:00
Chris Lattner
f9685ac68e another bug in the same line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53448 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 06:38:16 +00:00
Chris Lattner
a8ff4a88bb fix a bug spotted by Eli's eagle eyes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53447 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 06:36:01 +00:00
Chris Lattner
183661e43a simplify and merge a bunch of code. Instead of comparing against 
the min/max values for an integer type, compare against the min/max
values we can prove contain the input.  This might be a tighter bound,
so this is general goodness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53446 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 05:40:05 +00:00
Chris Lattner
84dff672a4 fold away (x <= cst) earlier, allowing us to not have to 
handle them in some code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53445 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 05:08:55 +00:00
Chris Lattner
85b5eb0505 Fix folding of icmp's of i1 where the comparison is signed. The code 
was using the algorithm for folding unsigned comparisons which is
completely wrong.  This has been broken since the signless types change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53444 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 04:20:58 +00:00
Chris Lattner
f299184565 Fix a bogus optimization: folding (slt (zext i1 A to i32), 1) -> (slt i1 A, true) 
This cause a regression in InstCombine/JavaCompare, which was doing the right
thing on accident.  To handle the missed case, generalize the comparisons based
on masked bits a little bit to handle comparisons against the max value. For 
example, we can now xform (slt i32 (and X, 4), 4) -> (setne i32 (and X, 4), 4)




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53443 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 04:09:09 +00:00
Chris Lattner
1913b94c11 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53440 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 00:30:39 +00:00
Chris Lattner
d15990189d Implement PR2538 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53438 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-11 00:30:06 +00:00
Chris Lattner
c563e1d8fe Fix a bug in the soft-float handling of FCOPYSIGN that Duncan noticed 
when working on legalizetypes.  Both legalizetypes and legalizeops now
produce hte same code for CodeGen/ARM/fcopysign.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 23:46:13 +00:00
Chris Lattner
70587ea813 make legalize types be a command line option: -enable-legalize-types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53434 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 23:37:50 +00:00
Dan Gohman
fdeb4b3f1d Make stack slot coloring's debug output more consistent with 
other passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53415 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 19:49:32 +00:00
Evan Cheng
bdb10fe0f6 Change StackSlotForVirtReg (which maps vregs to frame indices) from std::map to IndexedMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53414 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 18:23:23 +00:00
Chris Lattner
6291d69c4c Remove extraneous vertical whitespace before Eric gets the wrong idea ;-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53411 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 16:49:53 +00:00
Chris Lattner
85e7ac0353 Fix an altivec constant miscompilation that Duncan found through 
his work on legalizetypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53410 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 16:33:38 +00:00
Duncan Sands
5ac319ac71 Add support for 128 bit multiplicative operations. 
Lack of these caused a bootstrap failure with Fortran
on x86-64 with LegalizeTypes turned on.  While there,
be nice to 16 bit machines and support expansion of
i32 too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53408 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:35:05 +00:00
Duncan Sands
be1ad4de29 Add a mysteriously missing libcall, FPTOSINT_F80_I32. 
Be nice to 16 bit machines by supporting FP_TO_XINT
expansion for these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53407 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:33:02 +00:00
Duncan Sands
03dc093a2e Fix a FIXME: use an apint in CTTZ legalization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53406 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:30:54 +00:00
Duncan Sands
ae099d5442 Remove PromoteIntRes_FP_ROUND - not sure what it 
was doing there: FP_ROUND returns a float, not an
integer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53405 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:29:55 +00:00
Duncan Sands
c5ffb45934 Make sure the alignment of the temporary created 
in CreateStackStoreLoad is good enough for both
the source and destination types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53404 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:26:17 +00:00
Duncan Sands
f4e4629ee8 Make the LegalizeType method naming scheme more regular. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53403 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:25:04 +00:00
Duncan Sands
e1d97b1a74 Don't barf when dumping a constant that contains 
a ginormous value (eg: i128 -1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53402 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 11:23:14 +00:00
Matthijs Kooijman
d16918f843 Restructure dead argument elimination, try #3 :-) 
Rewrite the DeadArgumentElimination pass, to use a more explicit tracking of
dependencies between return values and/or arguments. Also make the handling of
arguments and return values the same.

The pass now looks properly inside returned structs, but only at the first
level (ie, not inside nested structs).

This version fixed a few more bugs and was cleaned up a bit. It now passes all
of LLVM's testing, and should still pass SPEC2006. There is still a minor bug
with regard to returning nested structs. Since there is currently nothing that
emits such IR, I will fix that in a seperate commit (partly because it requires
a non-trivial fix).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53400 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 10:24:08 +00:00
Evan Cheng
ef0732d25a - Change the horrible N^2 isRegReDefinedByTwoAddr. Now callers must supply the operand index of def machineoperand and at most one full scan of non-implicit operands is needed. 
- Change local register allocator to use the new isRegReDefinedByTwoAddr instead of reinventing the wheel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53394 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 07:35:43 +00:00
Nick Lewycky
5dcc41f5b3 Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53393 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 05:51:40 +00:00
Owen Anderson
743a1e6a9c Use DenseMap instead of std::map in local register allocation. This improves the time on instcombine from .31s to .22s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:56:35 +00:00
Owen Anderson
ecee36ece6 Fix 403.gcc. Finally got the check for two-address-ness correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:53:01 +00:00
Owen Anderson
c007848b5a Fix the build by adding a #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53388 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:44:27 +00:00
Chris Lattner
5ed2ba2668 The source and dest of an alias are *not* required to have the same type, 
though that would be nice and make sense :).  Patch by Nathan Keynes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53387 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:09:33 +00:00
Evan Cheng
331e2bd942 Fix for PR2472. Use movss to set lower 32-bits of a zero XMM vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53386 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:08:23 +00:00
Chris Lattner
ae55e04d7a open plugins with RTLD_GLOBAL, pointed out by Bram Adams. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53385 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:52:20 +00:00
Chris Lattner
7cc9a4b990 SImplify ConstantVector::get a bit and make it turn a vector 
of all undefs into a single undef value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53384 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:44:03 +00:00
Chris Lattner
fea85c46c0 Fix a case where vector comparison constant folding would cause an 
infinite recursion.  part of PR2529


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53383 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:29:28 +00:00
Chris Lattner
8638144825 add a helper method for code that wants to handle vector 
constants by element without caring how they are formed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53381 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:28:11 +00:00
Chris Lattner
330e7e4d25 elementwise comparison of vector constants was completely wrong. Fix 
it for PR2529


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53380 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:08:17 +00:00
Evan Cheng
250c1d8734 - Replace use of std::map<std::string, ..> with StringMap. Replace use of std::map with DenseMap, std::set with SmallPtrSet. This results in minor speed up. 
- Some code clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53379 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 00:04:23 +00:00
Owen Anderson
eacdef21c6 Revert r53367, which was breaking things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53378 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 23:09:10 +00:00
Dan Gohman
b9c33c3229 Simplify hasNUsesOfValue and hasAnyUsesOfValue even more. This 
makes their special-case checks of use_size() less beneficial,
so remove them. This eliminates all but one use of use_size(),
which is in AssignTopologicalOrder, which uses it only once for
each node, and so can reasonably afford to recompute it, as
this allows the UsesSize field of SDNode to be removed
altogether.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53377 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 23:03:14 +00:00
Dan Gohman
1373c1c395 hasAnyUseOfValue can check SDUse nodes of its users directly instead 
of examining every operand of every user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53374 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 22:39:01 +00:00
Dan Gohman
1ea58a52a4 Move MemoryVT out of LSBaseNode into MemSDNode, allowing the 
getMemOperand function to be moved into the base class as well
and made non-virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53372 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 22:08:04 +00:00
Anton Korobeynikov
7705ea33e4 Remove a FIXME: we really need to use const_data section on darwin for 
constant pool, if relocation model is not static. This directly maps to
the way how GCC works.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53370 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:54:26 +00:00
Evan Cheng
d411419422 Avoid creating expensive comment string if it's not going to be printed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53369 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:53:02 +00:00
Anton Korobeynikov
ac2673e4ea Add FIXME for future checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53368 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:38:28 +00:00
Owen Anderson
eb580ee133 Loosen our check here. Local regalloc only cares that the reg is used and def'd by the same instruction, but about the details of 
the relationship.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53367 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:34:36 +00:00
Dale Johannesen
03b5ee7762 Remove extra call to DW.SetModuleInfo on Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53365 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:33:15 +00:00
Dale Johannesen
d03772466a Emit debug info for data-only files on Cell SPU. 
I cannot test this target, let me know if it breaks!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53363 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:25:06 +00:00
Dale Johannesen
757809a170 Emit debug into for data-only files for Linux PPC. 
I cannot test this target, let me know if it breaks!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53362 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:24:07 +00:00
Dan Gohman
492f276cbc Move the IsVolatile and SVOffset fields into the MemSDNode base 
class, and store IsVolatile and Alignment in a more compact form.
This makes AtomicSDNode slightly larger, but it shrinks LoadSDNode
and StoreSDNode, which are much more common and are the largest of
the SDNode subclasses. Also, this lets the isVolatile() and
getAlignment() accessors be non-virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53361 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:23:02 +00:00
Dale Johannesen
f2452c5f48 Emit debug info for data-only files. ARM version. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53360 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:20:54 +00:00
Owen Anderson
dd4b47c9b2 Don't use an expensive check for two-address-ness when we have the information sitting around to determine it much more quickly, 
This speeds up the local register allocator from 0.37s to 0.31s on instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:15:10 +00:00
Dale Johannesen
7bc39e227f Emit debug info for data-only files. This version 
is X86 ATT only.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53355 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:55:35 +00:00
Anton Korobeynikov
b126f3b534 Add missed section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:47:55 +00:00
Dale Johannesen
94618eb888 Emit debug info for data-only files. This version 
applies to ppc Darwin only.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53353 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:43:39 +00:00
Owen Anderson
9094db17b4 Factor local liveness computation out into its own function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53352 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:14:53 +00:00
Dan Gohman
85e6815d83 Reuse the MO variable instead of recomputing it in RegAllocLocal. 
Keep RegAllocSimple in sync.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:12:26 +00:00
Anton Korobeynikov
9a06ed9359 Distinguish .const and .const_data on Darwin, when needed. This is somehow crazy :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53350 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:01:42 +00:00
Dan Gohman
88cef2480f Give RegAllocSimple a TargetInstrInfo member to keep it consistent 
with RegAllocLocal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53347 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:56:01 +00:00
Dan Gohman
8849054624 RegAllocLocal has a TargetInstrInfo data member. Use it instead 
of having local variables duplicate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:55:19 +00:00
Dan Gohman
0383bc014c Use find with std::map, when that's what's needed, instead of lower_bound 
with extra checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53344 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:51:00 +00:00
Anton Korobeynikov
f56c2f7a4b Weak stuff always goes to coalesced sections on Darwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53340 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:06:02 +00:00
Dan Gohman
4b9235b149 Remove #include <iostream>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53333 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 18:08:48 +00:00
Anton Korobeynikov
c5a7e40c74 Add FIXME needed to be resolved later 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53324 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:30:02 +00:00
Anton Korobeynikov
7d51edfc08 Use only 'subset' of flags 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53323 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:29:44 +00:00
Anton Korobeynikov
a3af0bf4ab Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53322 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:29:27 +00:00
Anton Korobeynikov
3b48591a84 Revert accidentially added stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53321 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:29:08 +00:00
Anton Korobeynikov
0d44ba82b4 First sketch of special section objects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53320 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:28:49 +00:00
Anton Korobeynikov
c5c92f6383 Honour text sections 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53319 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:28:19 +00:00
Anton Korobeynikov
c33a744f0e Use isWeakForLinker() hook 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53318 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:27:59 +00:00
Anton Korobeynikov
e87f52d722 Switch to new section name handling facility 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53316 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:27:16 +00:00
Anton Korobeynikov
7e7fc82cf3 Another bunch of hacks for named sections support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53315 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:26:52 +00:00
Anton Korobeynikov
1290ecf5b9 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53314 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:26:24 +00:00
Anton Korobeynikov
87fc6b4f86 Drop mergeable flag, if size is no suitable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53313 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:26:05 +00:00
Anton Korobeynikov
2a889172a4 Fix several bugs in named sections handling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53312 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:25:46 +00:00
Anton Korobeynikov
b20015b621 Add hacky way to distinguish named and named sections. This will be generalized in the future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53311 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:25:26 +00:00
Anton Korobeynikov
5248670096 Use 'gnu.linkonce', where needed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53310 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:24:55 +00:00
Anton Korobeynikov
0e48a0ca16 Fix thinko 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53309 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:24:38 +00:00
Anton Korobeynikov
c6f4947d48 Drop dead member reference 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53308 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:24:18 +00:00
Anton Korobeynikov
4039e680bc Add funny darwin section selection logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53307 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:23:57 +00:00
Anton Korobeynikov
01b0e24c25 Handle ELF mergeable sections 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53306 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:23:37 +00:00
Anton Korobeynikov
4260ad3e7d Provide section selection for X86 ELF targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:23:08 +00:00
Anton Korobeynikov
265c5259ab Provide general hook for section name calculation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53304 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:22:46 +00:00
Anton Korobeynikov
6d82942092 Print entity size for mergeable sections 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53303 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:22:17 +00:00
Anton Korobeynikov
f447e3d311 Split PrintSectionFlags 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53302 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:21:49 +00:00
Anton Korobeynikov
b9a02fcaf6 Split UniqueSectionForGlobal() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53301 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:21:29 +00:00
Anton Korobeynikov
b9e58efdb9 Split PreferredEHDataFormat hook 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53300 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:21:08 +00:00
Anton Korobeynikov
4468b7a988 Split X86TargetAsmInfo into 4 subtarget-specific classes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53299 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:20:48 +00:00
Anton Korobeynikov
8210045b9f Whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53298 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:20:27 +00:00
Anton Korobeynikov
6e405f3f77 Move flag decoding stuff into special hook 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53297 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:20:07 +00:00
Anton Korobeynikov
29b03f7375 Properly handle linkonce stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:19:38 +00:00
Anton Korobeynikov
c0f41db19c Provide skeletone code for calculation of section, where global should be emitted into 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53295 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:19:08 +00:00
Anton Korobeynikov
a2d330717b Use 'llvm-linkonce' consistently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53294 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:18:38 +00:00
Anton Korobeynikov
0c602469f4 Add default section name resolution routine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53292 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:18:02 +00:00
Anton Korobeynikov
8cc948d228 Constify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:17:36 +00:00
Anton Korobeynikov
beb9d40900 Add code for default section falgs computation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53290 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:16:59 +00:00
Duncan Sands
dd1c20d258 Remove some unneeded includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 12:08:25 +00:00
Duncan Sands
b5508e4237 Redo LegalizeTypes soft float support for 
SINT_TO_FP and UINT_TO_FP.  This now produces
the same code as LegalizeDAG (the previous
code was based on a mistaken idea of what
LegalizeDAG did in this case).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53288 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 12:07:22 +00:00
Duncan Sands
452911c468 Forgot to update the chain result when softening 
loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:15:31 +00:00
Duncan Sands
f8568b464f LegalizeTypes soft float support for FP_TO_SINT and 
FP_TO_UINT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53286 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:13:46 +00:00
Duncan Sands
851b1ee83f LegalizeTypes support for powi soft float. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53285 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:11:47 +00:00
Duncan Sands
ddc7aa3417 Make the role of MVT::i32 clearer here, and add a 
note since it is not clear whether it is correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53284 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 08:07:41 +00:00
Nick Lewycky
d8ad492238 Simplify, suggested by Chris Lattner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53283 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 07:35:26 +00:00
Nick Lewycky
9ee863ecc0 Fold (a < 8) && (b < 8) into (a|b) < 8 for unsigned less or greater than. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53282 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 07:29:11 +00:00
Evan Cheng
1afe5c3ff8 Missed alignment argument on stores lowered from memcpy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53281 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 06:38:06 +00:00
Evan Cheng
526be70f94 Back out 53254. It broke ppc debug info codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 06:36:53 +00:00
Bill Wendling
3e30cbb457 Make the DICountVisitor not a visitor. This keeps us from calling virtual 
functions and junk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 06:02:33 +00:00
Bill Wendling
06b8c19957 Silence warning by initializing variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53278 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 05:55:53 +00:00
Bruno Cardoso Lopes
7728f7e890 Fixed features usage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 05:32:22 +00:00
Nick Lewycky
d1f77bf931 Fold ((1 << a) & 1) to (a == 0). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53276 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 05:20:13 +00:00
Chris Lattner
6fa6a32e4e Add a little wrapper header that is put around bc files when emitting 
bc files for modules with a target triple that indicates they are for
darwin.  The reader unconditionally handles this, and the writer could
turn this on for more targets if we care.

This change has two benefits for darwin:

1) it allows us to encode the cpu type of the file in an easy to read
   place that doesn't require decoding the bc file.
2) it works around a bug (IMO) in darwin's AR where it is incapable of
   handling files that are not a multiple of 8 bytes long.  BC files
   are only guaranteed to be multiples of 4 bytes long.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53275 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 05:14:23 +00:00
Chris Lattner
b02b8af378 random bugfix sitting in my tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53274 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 05:12:07 +00:00
Bruno Cardoso Lopes
7b76da145b Fixe typos and 80 column size problems 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53272 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 04:45:36 +00:00
Nick Lewycky
b4d1bc989e Reduce x - y to -y when we know the 'x' part will get masked off anyways. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53271 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 04:32:37 +00:00
Bruno Cardoso Lopes
97c2537269 MipsTargetLowering cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53270 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 04:15:08 +00:00