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3069 Commits

Author SHA1 Message Date
Duncan Sands
2400ad7236 Introduce and use convenience methods for getting pointer types 
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.

llvm-svn: 83379
 2009-10-06 15:40:36 +00:00
Chris Lattner
a3cf123e86 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

llvm-svn: 83297
 2009-10-05 05:54:46 +00:00
Nick Lewycky
5bf0eb2dd5 Requires element types in a constant initializer to match the element types of 
of the constant. This reverts r6544 and r7428.

llvm-svn: 83270
 2009-10-03 19:30:43 +00:00
Devang Patel
43ce9e3e75 Check for null MDNode element while printing comment. 
llvm-svn: 83172
 2009-09-30 21:26:51 +00:00
Jeffrey Yasskin
2d4f3f6704 Assert that ConstantArrays are created with correctly-typed elements. 
llvm-svn: 83168
 2009-09-30 21:08:08 +00:00
Devang Patel
24270e88cc Print tag name for MDNodes that are used to encode debug info. 
llvm-svn: 83160
 2009-09-30 20:16:54 +00:00
Devang Patel
c1e370a29c Lookup handler name only when assertions are enabled. 
llvm-svn: 83114
 2009-09-29 22:05:52 +00:00
Devang Patel
39b5b72d74 Add removeMD(). 
llvm-svn: 83107
 2009-09-29 20:42:25 +00:00
Devang Patel
292bcd8ca1 Only one custom meadata of each kind can be attached with an instruction. 
llvm-svn: 83105
 2009-09-29 20:30:57 +00:00
Devang Patel
351585921d Use assertion instead of early exit to catch malformed custom metadata store. 
llvm-svn: 83102
 2009-09-29 20:01:19 +00:00
Devang Patel
629ad89954 Parse custom metadata attached with an instruction. 
llvm-svn: 83033
 2009-09-29 00:01:14 +00:00
Dan Gohman
74e63461d2 Add C API calls for building FNeg operations. Patch by KS Sreeram! 
llvm-svn: 83021
 2009-09-28 21:51:41 +00:00
Devang Patel
1070b7a713 s/class Metadata/class MetadataContext/g 
llvm-svn: 83019
 2009-09-28 21:41:20 +00:00
Devang Patel
d836a7d651 Do not use global typedef for MDKindID. 
llvm-svn: 83016
 2009-09-28 21:14:55 +00:00
Devang Patel
9e2af6ed0b Do not hardcode metadata names. 
llvm-svn: 83010
 2009-09-28 20:56:00 +00:00
Devang Patel
5a52b71500 Remove dead code. 
llvm-svn: 82999
 2009-09-28 18:31:56 +00:00
Dan Gohman
584645dfe8 Remove temporary debugging hack. 
llvm-svn: 82953
 2009-09-28 00:44:15 +00:00
Dan Gohman
bd50ec69e4 Move the dominator verification code out of special code embedded within 
the PassManager code into a regular verifyAnalysis method.

Also, reorganize loop verification. Make the LoopPass infrastructure
call verifyLoop as needed instead of having LoopInfo::verifyAnalysis
check every loop in the function after each looop pass. Add a new
command-line argument, -verify-loop-info, to enable the expensive
full checking.

llvm-svn: 82952
 2009-09-28 00:27:48 +00:00
Dan Gohman
09f5f7f190 Extend the StartPassTimer and StopPassTimer functions so that the 
code that stops the timer doesn't have to search to find the timer
object before it stops the timer. This avoids a lock acquisition
and a few other things done with the timer running.

llvm-svn: 82949
 2009-09-28 00:07:05 +00:00
Dan Gohman
fdd9a2ee96 Extract the code for releasing a pass into a separate function, and 
tidy it up a little.

llvm-svn: 82944
 2009-09-27 23:38:27 +00:00
Nick Lewycky
04cea17209 Remove the "metadata*" type and simplify the code it complicated. This was only 
used to support GlobalVariables storing MDNodes, back when they were derived
from Constant before the introduction of NamedMDNode, but never removed.

llvm-svn: 82943
 2009-09-27 23:27:42 +00:00
Nick Lewycky
81504d2150 Round out the API for the new optimization flags. 
llvm-svn: 82930
 2009-09-27 21:33:04 +00:00
Dan Gohman
eb9dbb2bd2 Micro-optimize DerivedType::dropAllTypeUses. 
llvm-svn: 82900
 2009-09-27 15:32:21 +00:00
Nick Lewycky
676778014b Remove dead code from this function and optimize. Update its corresponding 
LangRef entry too.

llvm-svn: 82890
 2009-09-27 07:55:32 +00:00
Nick Lewycky
d21c325f09 Instruction::clone does not need to take an LLVMContext&. Remove that and 
update all the callers.

llvm-svn: 82889
 2009-09-27 07:38:41 +00:00
Duncan Sands
ec5d64fdd5 For the NSWSub support in the builder to actually be useable, 
there need to be corresponding changes to the constant folders,
done in this patch.

llvm-svn: 82862
 2009-09-26 15:35:35 +00:00
Dan Gohman
d585364b0b Rename ConstantFP's getInf to getInfinity. 
llvm-svn: 82823
 2009-09-25 23:40:21 +00:00
Dan Gohman
01b2c857ed Add a ConstantFP::getInf utility function for creating infinity ConstantFPs. 
llvm-svn: 82818
 2009-09-25 23:00:48 +00:00
Victor Hernandez
f772c0b8b2 Revert 82694 "Auto-upgrade malloc instructions to malloc calls." because it causes regressions in the nightly tests. 
llvm-svn: 82784
 2009-09-25 18:11:52 +00:00
Victor Hernandez
ff8027ced6 Auto-upgrade malloc instructions to malloc calls. 
Reviewed by Devang Patel.

llvm-svn: 82694
 2009-09-24 17:47:49 +00:00
Devang Patel
2b6906a18d Move parent assertion check before metadata deletion. 
llvm-svn: 82692
 2009-09-24 16:19:11 +00:00
Devang Patel
6709bea96c Delete attached metadata when an instruction is deleted. 
llvm-svn: 82647
 2009-09-23 20:33:51 +00:00
Devang Patel
18dae0848f Do not leave behind metadata while cloning an instruction. 
llvm-svn: 82638
 2009-09-23 18:32:25 +00:00
Dan Gohman
8b2d3ef326 Give MachineMemOperand an operator<<, factoring out code from 
two different places for printing MachineMemOperands.

Drop the virtual from Value::dump and instead give Value a
protected virtual hook that can be overridden by subclasses
to implement custom printing. This lets printing be more
consistent, and simplifies printing of PseudoSourceValue
values.

llvm-svn: 82599
 2009-09-23 01:33:16 +00:00
Victor Hernandez
d2cc74eb2d No need to verify that malloc's return type is i8*. 
llvm-svn: 82561
 2009-09-22 18:50:03 +00:00
Daniel Dunbar
34413e6018 Fix commento. 
llvm-svn: 82544
 2009-09-22 10:30:34 +00:00
Daniel Dunbar
6d5513977b Add a TrackingVH value handle. 
This is designed for tracking a value even when it might move (like WeakVH), but it is an error to delete the referenced value (unlike WeakVH0. TrackingVH is templated like AssertingVH on the tracked Value subclass, it is an error to RAUW a tracked value to an incompatible type.

For implementation reasons the latter error is only diagnosed on accesses to a mis-RAUWed TrackingVH, because we don't want a virtual interface in a templated class.

The former error is also only diagnosed on access, so that clients are allowed to delete a tracked value, as long as they don't use it. This makes it easier for the client to reason about destruction.

llvm-svn: 82506
 2009-09-22 02:02:33 +00:00
Chris Lattner
611a14fce0 Fix PR5023: The instruction form of DominatorTree::dominates did not 
take into consideration that the result of an invoke is only valid in
the normal dest, not the unwind dest.  This caused 'PHINode::hasConstantValue'
to return true in an invalid situation, causing mem2reg to delete a phi that
was actually needed.  This caused a crash building 483.xalancbmk.

llvm-svn: 82491
 2009-09-21 22:39:35 +00:00
Chris Lattner
1ceac42392 move DominatorTree::dominates for instructions out of line, 
no functionality change.

llvm-svn: 82490
 2009-09-21 22:30:50 +00:00
Chris Lattner
78d19af97a tidy up 
llvm-svn: 82489
 2009-09-21 22:27:34 +00:00
Nuno Lopes
cdb4b7116b initialize SymbolsCanStartWithDigit to false by default 
llvm-svn: 82454
 2009-09-21 14:11:56 +00:00
Nick Lewycky
ecb17d4648 Peer through zext and sext to eliminate them when it is safe to do so. 
llvm-svn: 82389
 2009-09-20 07:31:25 +00:00
Nick Lewycky
991c5185bb Fold 'icmp eq (icmp), true' into an xor(icmp). 
llvm-svn: 82386
 2009-09-20 07:21:39 +00:00
Nick Lewycky
cd6475ebe9 Correct the comment; this applies to fcmp too. 
llvm-svn: 82380
 2009-09-20 06:27:35 +00:00
Nick Lewycky
13510f330b Remove tab, again. 
llvm-svn: 82379
 2009-09-20 06:26:34 +00:00
Nick Lewycky
5cbc7c4ae9 Teach the constant folder how to not a cmpinst. 
llvm-svn: 82378
 2009-09-20 06:24:51 +00:00
Nick Lewycky
93d1111b1c Try turning icmp(bitcast(x), bitcast(y)) into icmp(bitcast(bitcast(x)), y) in 
the hopes that the two bitcasts will merge.

llvm-svn: 82371
 2009-09-20 05:48:50 +00:00
Nick Lewycky
b96f9df101 Remove tabs I added. 
llvm-svn: 82369
 2009-09-20 05:47:45 +00:00
Nick Lewycky
42065f1555 Clean up the usage of evaluateICmpRelation's return value. 
Add another line to the ConstantExprFold test to demonstrate the GEPs may not
wrap around in either the signed or unsigned senses.

llvm-svn: 82361
 2009-09-20 04:27:06 +00:00
Daniel Dunbar
4e33798de0 Strip trailing whitespace. 
llvm-svn: 82359
 2009-09-20 04:03:34 +00:00