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1073 Commits

Author SHA1 Message Date
Daniel Dunbar
e03eecb75f Remove Value::{isName, getNameRef}. 
Also, change MDString to use a StringRef.

llvm-svn: 77098
 2009-07-25 23:55:21 +00:00
Dan Gohman
29f2baf3b3 Convert a few more uses of llvm/Support/Streams.h to raw_ostream. 
llvm-svn: 77033
 2009-07-25 01:13:51 +00:00
Dan Gohman
43d19d61d4 Make AliasAnalysis and related classes use 
getAnalysisIfAvailable<TargetData>().

llvm-svn: 77028
 2009-07-25 00:48:42 +00:00
Daniel Dunbar
0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Owen Anderson
edb4a70325 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
llvm-svn: 77011
 2009-07-24 23:12:02 +00:00
Dan Gohman
85a791ef7a AliasAnalysis wants sizes in address-units, not bits. 
llvm-svn: 77009
 2009-07-24 23:01:30 +00:00
Daniel Dunbar
796e43eede Move more to raw_ostream, provide support for writing MachineBasicBlock, 
LiveInterval, etc to raw_ostream.

llvm-svn: 76965
 2009-07-24 10:36:58 +00:00
Daniel Dunbar
12368685d8 Switch to getNameStr(). 
llvm-svn: 76962
 2009-07-24 08:24:36 +00:00
Eli Friedman
315596c39c Don't give a massive inlining cost bonus to available_externally 
functions with a single use; eliminating the single use may eliminate 
the function from the current module, but usually doesn't eliminate 
it from the final program.

llvm-svn: 76730
 2009-07-22 08:12:59 +00:00
Owen Anderson
47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Ted Kremenek
d0014cf36d Update CMake files. 
llvm-svn: 76595
 2009-07-21 17:43:20 +00:00
Chris Lattner
1c71fd646b add a fixme 
llvm-svn: 76324
 2009-07-18 18:49:04 +00:00
Eli Friedman
e1b9216bc3 Fix the inline cost calculation to take into account instructions 
which cannot be folded even if they have constant operands. Significantly
helps if_spppsubr.c attached to PR4573.

llvm-svn: 76285
 2009-07-18 05:26:06 +00:00
Daniel Dunbar
482bd9dcb8 Initialize another Context, in the hopes of unbreaking CBE. 
llvm-svn: 76184
 2009-07-17 16:20:23 +00:00
Eli Friedman
b8f6a4fc8e Replace isTrapping with a new, similar method called 
isSafeToSpeculativelyExecute. The new method is a bit closer to what 
the callers actually care about in that it rejects more things callers 
don't want.  It also adds more precise handling for integer 
division, and unifies code for analyzing the legality of a speculative 
load.

llvm-svn: 76150
 2009-07-17 04:28:42 +00:00
Owen Anderson
20b34ac794 Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in 
our current context-passing stuff, which is also fixed here

llvm-svn: 76089
 2009-07-16 18:04:31 +00:00
Owen Anderson
4fdeba9706 Revert yesterday's change by removing the LLVMContext parameter to AllocaInst and MallocInst. 
llvm-svn: 75863
 2009-07-15 23:53:25 +00:00
Dan Gohman
c43e47938a Make makeLoopInvariant report whether it made any changes or not, 
and use this to simplify more code.

llvm-svn: 75722
 2009-07-15 01:25:43 +00:00
Owen Anderson
b6b2530000 Move EVER MORE stuff over to LLVMContext. 
llvm-svn: 75703
 2009-07-14 23:09:55 +00:00
Torok Edwin
fbcc663cbf 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
4d6149f356 Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant 
function.

llvm-svn: 75584
 2009-07-14 01:37:59 +00:00
Owen Anderson
542619e6d5 Move more functionality over to LLVMContext. 
llvm-svn: 75497
 2009-07-13 20:58:05 +00:00
Owen Anderson
53a52215b5 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
Chris Lattner
2f67295aac silence a vc++ warning. 
llvm-svn: 75393
 2009-07-11 22:31:59 +00:00
Torok Edwin
56d0659726 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
ccb29cd290 Convert more assert(0)+abort() -> LLVM_UNREACHABLE, 
and abort()/exit() -> llvm_report_error().

llvm-svn: 75363
 2009-07-11 13:10:19 +00:00
Owen Anderson
16e7674f4b Push LLVMContext through the PatternMatch API. 
llvm-svn: 75255
 2009-07-10 17:35:01 +00:00
Owen Anderson
1e5f00e7a7 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
Nick Lewycky
ab81d2f5e9 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
eb373ad2af 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
b17f32945f 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
Owen Anderson
5948fdf68b Push LLVMContext through GlobalVariables and IRBuilder. 
llvm-svn: 74985
 2009-07-08 01:26:06 +00:00
Owen Anderson
38264b1554 "LLVMContext* " --> "LLVMContext *" 
llvm-svn: 74878
 2009-07-06 23:00:19 +00:00
Owen Anderson
39f00cc1d4 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
e70b637033 More LLVMContext-ification. 
llvm-svn: 74807
 2009-07-05 22:41:43 +00:00
Mike Stump
bbd8707f6e Fix build. 
llvm-svn: 74782
 2009-07-03 22:11:58 +00:00
Nick Lewycky
cb23509546 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
Owen Anderson
6773d388aa 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
96122debc1 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
Dan Gohman
4dfc680059 Minor code simplification. 
llvm-svn: 74491
 2009-06-30 01:24:43 +00:00
Dan Gohman
ffdcba3dbd Remove the block from the LoopInfo, rather than just the Loop. 
LoopInfo will handle removing it from the Loop, as well as updating
its own tables.

llvm-svn: 74398
 2009-06-27 22:32:36 +00:00
Dan Gohman
c8ca49659a Teach LoopSimplify how to merge multiple loop exits into a single exit, 
when one of them can be converted to a trivial icmp and conditional
branch.

This addresses what is essentially a phase ordering problem.
SimplifyCFG knows how to do this transformation, but it doesn't do so
if the primary block has any instructions in it other than an icmp and
a branch. In the given testcase, the block contains other instructions,
however they are loop-invariant and can be hoisted. SimplifyCFG doesn't
have LoopInfo though, so it can't hoist them. And, it's important that
the blocks be merged before LoopRotation, as it doesn't support
multiple-exit loops.

llvm-svn: 74396
 2009-06-27 21:30:38 +00:00
Devang Patel
0f2eb5b9f7 Remove unused routines. 
llvm-svn: 74351
 2009-06-26 22:53:22 +00:00
Douglas Gregor
6d94e6a5f3 Fix linking of llvm-ld and lli with CMake, from Xerxes Rånby 
llvm-svn: 74285
 2009-06-26 15:37:00 +00:00
Dan Gohman
7eaf50ecac Fix LCSSA to avoid emitting a PHI node for the unwind destination of 
an invoke instruction, since the value isn't really live across that
edge.

llvm-svn: 74242
 2009-06-26 00:31:13 +00:00
Chris Lattner
945d08d76f Generalize instcombine's isSafeToLoadUnconditionally() function 
to ignore readonly calls, and factor it out of instcombine so
that it can be used by other passes.  Patch by Frits van Bommel!

llvm-svn: 73506
 2009-06-16 17:23:12 +00:00
Dale Johannesen
9df78ee1ae Fix the crash in this test. This is basically the same 
problem addressed in 31284, but the patch there only
addressed the case where an invoke is the first thing in
a block.

llvm-svn: 73416
 2009-06-15 20:59:27 +00:00
Dan Gohman
4fe64deb7b Fix old-style type names in comments. 
llvm-svn: 73362
 2009-06-14 23:30:43 +00:00
Dan Gohman
a5b9645c4b Split the Add, Sub, and Mul instruction opcodes into separate 
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.

For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.

This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt

llvm-svn: 72897
 2009-06-04 22:49:04 +00:00
Nick Lewycky
adbc284666 Give embedded metadata its own type instead of relying on EmptyStructTy. 
llvm-svn: 72610
 2009-05-30 05:06:04 +00:00