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5378 Commits

Author SHA1 Message Date
Owen Anderson
8c85061ee6 Move EVER MORE stuff over to LLVMContext. 
llvm-svn: 75703
 2009-07-14 23:09:55 +00:00
Dale Johannesen
35fc3243a8 Revert 75571; I'm convinced this isn't the right thing to do. 
llvm-svn: 75642
 2009-07-14 17:48:25 +00:00
Torok Edwin
f955a6ef49 llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Dan Gohman
084661b1b5 Require IVUsers after LCSSA, since LCSSA does not preserve IVUsers. 
This results in the pass manager running IVUsers only once for
indvars, instead of twice.

llvm-svn: 75633
 2009-07-14 14:26:23 +00:00
Eli Friedman
63028801b8 Fix trivial todo in instcombine. 
llvm-svn: 75586
 2009-07-14 02:01:53 +00:00
Dan Gohman
493855541b Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant 
function.

llvm-svn: 75584
 2009-07-14 01:37:59 +00:00
Dan Gohman
b9f3a3c96b Fix indvars to not assume that a loop with a single unique exit 
block has a single unique exiting block.

llvm-svn: 75579
 2009-07-14 01:09:02 +00:00
Dale Johannesen
de1ed58935 Don't delete asm's just because their inputs are undefined; 
xor R, R is a common and valid idiom for zeroing a register, for example.

llvm-svn: 75571
 2009-07-14 00:45:38 +00:00
Eli Friedman
a6c7a3d44e PR4548: optimize zext+udiv+trunc to udiv. 
llvm-svn: 75539
 2009-07-13 22:46:01 +00:00
Eli Friedman
6b51ac6728 Canonicalize boolean +/- a constant to a select. 
(I think it's reasonably clear that we want to have a canonical form for 
constructs like this; if anyone thinks that a select is not the best 
canonical form, please tell me.)

llvm-svn: 75531
 2009-07-13 22:27:52 +00:00
Owen Anderson
3501454313 These don't really need contexts either. 
llvm-svn: 75528
 2009-07-13 22:18:28 +00:00
Dan Gohman
f6caa6f1e3 Make Loop and MachineLoop be subclasses of LoopBase, rather than typedefs, 
using the Curiously Recurring Template Pattern with LoopBase.

This will help further refactoring, and future functionality for
Loop. Also, Headers can now foward-declare Loop, instead of pulling
in LoopInfo.h or doing tricks.

llvm-svn: 75519
 2009-07-13 21:51:15 +00:00
Eli Friedman
b2a8c4ffc9 Misc simplifications to InstCombiner::commonIntCastTransforms. Most of 
the changes are allowed by not calling this function for bitcasts.  
The Instruction::AShr case is dead because 
SimplifyDemandedInstructionBits handles that case.

llvm-svn: 75514
 2009-07-13 21:45:57 +00:00
Eli Friedman
baf7e04afa Fix comment. 
llvm-svn: 75499
 2009-07-13 20:58:59 +00:00
Owen Anderson
1e5155161a Move more functionality over to LLVMContext. 
llvm-svn: 75497
 2009-07-13 20:58:05 +00:00
Eli Friedman
832f33550c Don't bother to call commonIntCastTransforms for bitcasts; int->int 
bitcasts will always be eliminated anyway.

llvm-svn: 75495
 2009-07-13 20:53:00 +00:00
Owen Anderson
393d8b0a0c Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp. 
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.

llvm-svn: 75445
 2009-07-13 04:09:18 +00:00
Eli Friedman
8c0118042a Remove check which is duplicated in 
InstCombiner::visitSelectInstWithICmp.

llvm-svn: 75409
 2009-07-12 02:00:05 +00:00
Chris Lattner
edf6f031d8 silence a vc++ warning. 
llvm-svn: 75393
 2009-07-11 22:31:59 +00:00
Torok Edwin
ae8a3ff177 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Torok Edwin
9b41a5faf2 Convert more assert(0)+abort() -> LLVM_UNREACHABLE, 
and abort()/exit() -> llvm_report_error().

llvm-svn: 75363
 2009-07-11 13:10:19 +00:00
Nick Lewycky
fee40fdcd9 Move a method that creates constant ranges relative to another constant range 
per icmp predicate out of predsimplify and into ConstantRange.

Add another utility method that determines whether one range is a subset of
another. Combine with the former to determine whether icmp pred range, range
is known to be true or not.

llvm-svn: 75357
 2009-07-11 06:15:39 +00:00
Owen Anderson
7076f1ffb7 Push LLVMContext through the PatternMatch API. 
llvm-svn: 75255
 2009-07-10 17:35:01 +00:00
Owen Anderson
49226b1075 This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!? 
llvm-svn: 75200
 2009-07-09 23:48:35 +00:00
Owen Anderson
98aa906e73 A little bit more LLVMContextification. 
llvm-svn: 75159
 2009-07-09 18:36:20 +00:00
Nick Lewycky
c707d9c60d There's no need to consider PHI nodes in the same block as the instruction 
we're inserting sigma/phi functions for. Patch by Andre Tavares.

llvm-svn: 75138
 2009-07-09 15:59:27 +00:00
Nick Lewycky
02ee56adb2 Add some statistics to SSI so we can see what it's up to. 
Add an -ssi-everything pass which calls createSSI on everything in the function.

llvm-svn: 75135
 2009-07-09 15:33:14 +00:00
Owen Anderson
9331034838 Push LLVMContext _back_ through IRBuilder. 
llvm-svn: 75040
 2009-07-08 20:50:47 +00:00
Dan Gohman
d9b9ed628f Tell ScalarEvolution to forget a loop before starting to delete it. 
This way ScalarEvolution can examine the loop to determine what state
it needs to update, if it chooses.

llvm-svn: 75029
 2009-07-08 19:14:29 +00:00
Owen Anderson
332aae685b Switch GlobalVariable ctors to a sane API, where *either* a context or a module is required. 
llvm-svn: 75025
 2009-07-08 19:03:57 +00:00
Nick Lewycky
d46a7b2d22 Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.

llvm-svn: 74991
 2009-07-08 03:04:38 +00:00
Owen Anderson
7a1f69e433 Push LLVMContext through GlobalVariables and IRBuilder. 
llvm-svn: 74985
 2009-07-08 01:26:06 +00:00
Dan Gohman
dd7f97c496 Change all SCEV* to SCEV *. 
llvm-svn: 74918
 2009-07-07 17:06:11 +00:00
Owen Anderson
121f736d9c "LLVMContext* " --> "LLVMContext *" 
llvm-svn: 74878
 2009-07-06 23:00:19 +00:00
Owen Anderson
5f268720e9 Finish LLVMContext-ing lib/Analysis. This required pushing LLVMContext's through the ValueTracking API. 
llvm-svn: 74873
 2009-07-06 22:37:39 +00:00
Owen Anderson
ad3229d281 Thread LLVMContext through the constant folding APIs, which touches a lot of files. 
llvm-svn: 74844
 2009-07-06 18:42:36 +00:00
Owen Anderson
4eb0f1a3bd More LLVMContext-ification. 
llvm-svn: 74811
 2009-07-06 01:34:54 +00:00
Owen Anderson
977aa11bc6 More LLVMContext-ification. 
llvm-svn: 74807
 2009-07-05 22:41:43 +00:00
Mike Stump
78ecb66f56 Fix build. 
llvm-svn: 74782
 2009-07-03 22:11:58 +00:00
Owen Anderson
a8ce571a68 Even more passes being LLVMContext'd. 
llvm-svn: 74781
 2009-07-03 19:42:02 +00:00
Nick Lewycky
b01a2dc7ba Add Static Single Information construction pass written by André Tavares! 
Use it by requiring it through the pass manager, then calling its createSSI
method on the variables that you want in SSI form.

llvm-svn: 74780
 2009-07-03 19:28:36 +00:00
Duncan Sands
1708a93077 Add newline at end of file. 
llvm-svn: 74773
 2009-07-03 15:30:58 +00:00
Owen Anderson
6795819c9e Second batch of passes using LLVMContext. 
llvm-svn: 74753
 2009-07-03 00:54:20 +00:00
Owen Anderson
7fb95ff5dd Convert the first batch of passes to use LLVMContext. 
llvm-svn: 74748
 2009-07-03 00:17:18 +00:00
Chris Lattner
3d8ec50f8a fix inverted logic pointed out by John McCall, noticed by inspection. 
This was considering vector intrinsics to have cost 2, but non-vector
intrinsics to have cost 1, which is backward.

llvm-svn: 74698
 2009-07-02 15:39:39 +00:00
Dan Gohman
e89dc58a7e Fix a bunch of other places that used operator[] to test whether 
a key is present in a std::map or DenseMap to use find instead.

llvm-svn: 74676
 2009-07-02 00:17:47 +00:00
Dan Gohman
499f79ba60 Request LCSSA after LoopSimplify. This fixes a problem in which the 
PassManager was scheduling LCSSA before LoopSimplify, which does not
preserve LCSSA.

llvm-svn: 74661
 2009-07-01 23:21:38 +00:00
Dan Gohman
e3b1f9e14b Fix an instcombine abort on a scalar-to-vector bitcast. This fixes PR4487. 
llvm-svn: 74646
 2009-07-01 21:38:46 +00:00
Owen Anderson
81b8dabb53 Add a pointer to the owning LLVMContext to Module. This requires threading LLVMContext through a lot 
of the bitcode reader and ASM parser APIs, as well as supporting it in all of the tools.

Patches for Clang and LLVM-GCC to follow.

llvm-svn: 74614
 2009-07-01 16:58:40 +00:00
Chris Lattner
4bdaace06e improve the APIs for creating struct and function types with no arguments/elements 
to not have to create a temporary vector (in the API at least).  Patch by Jay Foad!

llvm-svn: 74584
 2009-07-01 04:13:31 +00:00