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161660e6d2
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3556 Commits

Author SHA1 Message Date
Devang Patel
161660e6d2 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42048 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 20:07:40 +00:00
Chris Lattner
76c1b97e40 Merge DenseMapKeyInfo & DenseMapValueInfo into DenseMapInfo 
Add a new DenseMapInfo::isEqual method to allow clients to redefine
the equality predicate used when probing the hash table.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42042 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 18:34:04 +00:00
Dan Gohman
5d066ff7f0 Instcombine x-((x/y)*y) into a remainder operator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42035 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 17:31:57 +00:00
Duncan Sands
cdb6d929d0 Factor the trampoline transformation into a subroutine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42021 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 10:26:40 +00:00
Owen Anderson
2486686689 Be more careful when constant-folding PHI nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41998 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-16 08:04:16 +00:00
Owen Anderson
86f91e1757 Remove RLE. It is subsumed by GVN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41968 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 22:33:52 +00:00
Dale Johannesen
9e3d3abd93 Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41967 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 22:26:36 +00:00
Chris Lattner
5e6e494a97 Fix a logic error in ValueIsOnlyUsedLocallyOrStoredToOneGlobal that caused 
miscompilation of 188.ammp.  Reject select and bitcast in 
ValueIsOnlyUsedLocallyOrStoredToOneGlobal because RewriteHeapSROALoadUser can't handle it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41950 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 03:41:21 +00:00
Chris Lattner
ce4e748565 silence a bogus gcc warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 03:07:24 +00:00
Bill Wendling
c68491069a Temporary reverting r41817 
(http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070910/053370.html). It's
causing SPASS to fail.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41938 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 01:13:55 +00:00
Chris Lattner
309f20fc45 Teach GlobalLoadUsesSimpleEnoughForHeapSRA and the SROA rewriter how to handle 
a limited form of PHI nodes.  This finally fixes PR1639, speeding 179.art up
from 7.84s to 3.13s on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41933 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 21:31:36 +00:00
Chris Lattner
a637a8b1e7 be tolerant of PHI nodes when rewriting heap SROA code. This is a step 
along the way of PR1639


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41930 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 18:00:31 +00:00
Chris Lattner
330245e90b refactor some code, no functionality change. On the path to PR1639 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41929 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 17:29:05 +00:00
Chris Lattner
c451f9c167 Make ValueIsOnlyUsedLocallyOrStoredToOneGlobal smart enough to see through 
bitcasts and phis.  This is a step to fixing PR1639.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41928 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 16:37:20 +00:00
Chris Lattner
816861803f Make AllUsesOfLoadedValueWillTrapIfNull strong enough to see through PHI 
nodes.  This is the first step of the fix for PR1639.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41927 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 16:30:19 +00:00
Chris Lattner
36597a5ddb Change llvm.gcroot to not init the root to null at runtime, this prevents 
using it for live-in values etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41879 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-12 17:53:10 +00:00
Duncan Sands
b84abcd77d Turn calls to trampolines into calls to the underlying 
nested function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41844 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 14:35:41 +00:00
Devang Patel
c3957d1983 Avoid negative logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41829 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 01:10:45 +00:00
Devang Patel
d35ed2c16d Refactor code into a separate method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41826 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 00:42:56 +00:00
Devang Patel
964be45e7c Clear split info object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41823 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 00:23:56 +00:00
Devang Patel
4f12c5f615 Split condition does not have to be ICmpInst in all cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41822 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 00:12:56 +00:00
Devang Patel
ba32a5f3cc Check all terminators inside loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41821 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 23:57:58 +00:00
Chris Lattner
50d9d77643 remove some dead code, this is handled by constant folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41819 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 23:46:29 +00:00
Devang Patel
0c0f7c935b Swap exit condition operands if it works. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41817 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 23:34:06 +00:00
Chris Lattner
8d9455d4e4 Prevent tailcallelim from breaking "recursive" calls to builtins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41804 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 20:58:55 +00:00
Devang Patel
9c7a9f186c Filter exit conditions which are not yet handled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41800 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 18:33:42 +00:00
Devang Patel
bc533cd128 Require SCEV before LCSSA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41798 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-10 18:08:23 +00:00
Chris Lattner
a54c7eb157 Don't zap back to back volatile load/stores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-07 05:33:03 +00:00
Dale Johannesen
43421b3dd7 Next round of APFloat changes. 
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double.  Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-06 18:13:44 +00:00
Nick Lewycky
455e176ffb Use isTrueWhenEqual. Thanks Chris! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-06 02:40:25 +00:00
Nick Lewycky
5a5ff9d7df When the two operands of an icmp are equal, there are five possible predicates 
that would make the icmp true. Fixes PR1637.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-06 01:10:22 +00:00
Chuck Rose III
c331d305a0 Forgot to obey 80 column rule. Fixing that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 20:36:41 +00:00
Chuck Rose III
d4af306aec Added default parameters to GetElementPtrInstr constructor call. Visual Studio 2k5 was getting confused and was unable to compile it. Suspected compiler error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41721 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 16:54:38 +00:00
Devang Patel
d24e5992e9 Insert cloned loop basic blocks before original loop header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41713 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:46:35 +00:00
David Greene
b8f74793b9 Update GEP constructors to use an iterator interface to fix 
GLIBCXX_DEBUG issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 15:46:09 +00:00
Anton Korobeynikov
406452dce3 Silence warning while compiling with gcc 4.2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41676 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-02 22:11:14 +00:00
Evan Cheng
4e9c473c4d Fix a gcroot lowering bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-01 02:00:51 +00:00
Chris Lattner
92103de8ce Cut off crazy computation. This helps PR1622 slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41522 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-28 04:23:55 +00:00
Devang Patel
1cd39a4f6e Use simpler test to filter loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41516 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 21:34:31 +00:00
David Greene
f1355a55f8 Update InvokeInst to work like CallInst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41506 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 19:04:21 +00:00
Dan Gohman
e3784951af Change comments to refer to @malloc and @free instead of %malloc and %free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 16:11:48 +00:00
Anton Korobeynikov
9f528e6280 Don't promote volatile loads/stores. This is needed (for example) to handle setjmp/longjmp properly. 
This fixes PR1520.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41461 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-26 21:43:30 +00:00
Owen Anderson
5dfcf4318a Don't DSe volatile stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41456 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-26 21:14:47 +00:00
Devang Patel
d79faee69a Move exit condition and exit branch from exiting block into loop header and dominator info. This avoid execution of dead iteration. Loop is already filter in the beginning such that this change is safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 02:39:24 +00:00
Devang Patel
be97c986e1 Constant split values needs upper bound and lower bound check, just like any other split value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41389 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 01:09:14 +00:00
Devang Patel
4a69da9cb0 While calculating upper loop bound for first loop and lower loop bound for second loop, take care of edge cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41387 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:56:38 +00:00
Devang Patel
7097e9a710 Fix regression that I caused yesterday night while adding logic to select appropriate split condition branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 19:32:26 +00:00
Devang Patel
4259fe3281 It is not safe to execute split condition's true branch first all the time. If split 
condition predicate is GT or GE then execute false branch first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 06:17:19 +00:00
Devang Patel
c830aee8e8 Reject ICMP_NE as index split condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41357 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 06:02:25 +00:00
Devang Patel
b88e4200cf Tightenup loop filter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-24 05:36:56 +00:00