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172 Commits

Author SHA1 Message Date
Reid Spencer
266e42b312 For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.

llvm-svn: 32751
 2006-12-23 06:05:41 +00:00
Chris Lattner
1631bcb1d4 Eliminate static ctors due to Statistic objects 
llvm-svn: 32693
 2006-12-19 22:09:18 +00:00
Reid Spencer
bb65ebf9a1 Replace inferred getCast(V,Ty) calls with more strict variants. 
Rename getZeroExtend and getSignExtend to getZExt and getSExt to match
the the casting mnemonics in the rest of LLVM.

llvm-svn: 32514
 2006-12-12 23:36:14 +00:00
Bill Wendling
f3baad3ee1 Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.

llvm-svn: 32298
 2006-12-07 01:30:32 +00:00
Chris Lattner
700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Chris Lattner
c8978c5272 make it clear that this is always a zext 
llvm-svn: 32044
 2006-11-30 17:35:08 +00:00
Chris Lattner
3ede00b376 One more bugfix, 3 cases of making casts explicit. 
llvm-svn: 32043
 2006-11-30 17:32:29 +00:00
Chris Lattner
0390b9e6bb Fix a bug in globalopt due to the recent cast patch. 
llvm-svn: 32042
 2006-11-30 17:26:08 +00:00
Reid Spencer
6c38f0bb07 For PR950: 
The long awaited CAST patch. This introduces 12 new instructions into LLVM
to replace the cast instruction. Corresponding changes throughout LLVM are
provided. This passes llvm-test, llvm/test, and SPEC CPUINT2000 with the
exception of 175.vpr which fails only on a slight floating point output
difference.

llvm-svn: 31931
 2006-11-27 01:05:10 +00:00
Bill Wendling
8f13b5c43e Replace #include <iostream> with llvm_* streams. 
llvm-svn: 31924
 2006-11-26 10:02:32 +00:00
Reid Spencer
de46e48420 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Chris Lattner
5a0bd61c64 Fix GlobalOpt/2006-11-01-ShrinkGlobalPhiCrash.ll and McGill/chomp 
llvm-svn: 31352
 2006-11-01 18:03:33 +00:00
Reid Spencer
e0fc4dfc22 For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Chris Lattner
4797c891c0 Fix debug output 
llvm-svn: 30680
 2006-09-30 23:32:50 +00:00
Chris Lattner
24d3d4280a Implement SRA of heap allocations. 
llvm-svn: 30679
 2006-09-30 23:32:09 +00:00
Chris Lattner
80a01ef6f0 Add some ifdef'd out debug info 
llvm-svn: 30676
 2006-09-30 19:40:30 +00:00
Chris Lattner
6ab03f6a08 Eliminate ConstantBool::True and ConstantBool::False. Instead, provide 
ConstantBool::getTrue() and ConstantBool::getFalse().

llvm-svn: 30665
 2006-09-28 23:35:22 +00:00
Anton Korobeynikov
d61d39ec53 Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374
 2006-09-14 18:23:27 +00:00
Chris Lattner
c2d3d3112e eliminate RegisterOpt. It does the same thing as RegisterPass. 
llvm-svn: 29925
 2006-08-27 22:42:52 +00:00
Chris Lattner
fd2e13b107 Fix PR820 and Transforms/GlobalOpt/2006-07-07-InlineAsmCrash.ll 
llvm-svn: 29071
 2006-07-07 21:37:01 +00:00
Chris Lattner
c597b8a55e Make iostream #inclusion explicit 
llvm-svn: 25514
 2006-01-22 23:32:06 +00:00
Nate Begeman
848622f87f Add support alignment of allocation instructions. 
Add support for specifying alignment and size of setjmp jmpbufs.

No targets currently do anything with this information, nor is it presrved
in the bytecode representation.  That's coming up next.

llvm-svn: 24196
 2005-11-05 09:21:28 +00:00
Alkis Evlogimenos
cb67b650b5 Stop using deprecated types 
llvm-svn: 23973
 2005-10-25 11:18:06 +00:00
Chris Lattner
eb953f0ef8 Fix a regression in my previous patch, fixing GlobalOpt/2005-09-27-Crash.ll 
and PR632.

llvm-svn: 23484
 2005-09-27 22:28:11 +00:00
Chris Lattner
3d27e7f27f Add support for external calls that we know how to constant fold. This implements 
ctor-list-opt.ll:CTOR8

llvm-svn: 23465
 2005-09-27 05:02:43 +00:00
Chris Lattner
29b2780c8a Fix a bug where we would evaluate stores into linkonce objects which could be 
potentially replaced at link-time.

llvm-svn: 23463
 2005-09-27 04:50:03 +00:00
Chris Lattner
65a3a0918f Implement support for static constructors with calls in them. This is useful 
because gccas runs globalopt before inlining.

This implements ctor-list-opt.ll:CTOR7

llvm-svn: 23462
 2005-09-27 04:45:34 +00:00
Chris Lattner
da1889b778 Refactor this code a bit, no functionality changes. 
llvm-svn: 23460
 2005-09-27 04:27:01 +00:00
Chris Lattner
f2f89af69a Remove some dead code. ctor evaluation subsumes empty ctor elim 
llvm-svn: 23453
 2005-09-26 20:38:20 +00:00
Chris Lattner
6bf2cd5735 Add support for alloca, implementing ctor-list-opt.ll:CTOR6 
llvm-svn: 23452
 2005-09-26 17:07:09 +00:00
Chris Lattner
46d9ff081d Add a debug printout, fix a crash on kc++ 
llvm-svn: 23450
 2005-09-26 07:34:35 +00:00
Chris Lattner
46af55e0e4 Implement loads/stores through GEP's of globals. This implements 
ctor-list-opt.ll:CTOR5.

llvm-svn: 23449
 2005-09-26 06:52:44 +00:00
Chris Lattner
61ff32cd70 Replace TraverseGEPInitializer with ConstantFoldLoadThroughGEPConstantExpr 
llvm-svn: 23447
 2005-09-26 05:34:07 +00:00
Chris Lattner
b009663e27 add a comment 
llvm-svn: 23442
 2005-09-26 05:16:34 +00:00
Chris Lattner
4b05c322d5 Add support for getelementptr, load, and correctly reject volatile stores. 
llvm-svn: 23441
 2005-09-26 05:15:37 +00:00
Chris Lattner
3e9ea5ffec Add support for br/brcond/switch and phi 
llvm-svn: 23439
 2005-09-26 04:57:38 +00:00
Chris Lattner
99e23fa74c Add a simple interpreter to this code, allowing us to statically evaluate 
global ctors that are simple enough.  This implements ctor-list-opt.ll:CTOR2.

llvm-svn: 23437
 2005-09-26 04:44:35 +00:00
Chris Lattner
696beefabb factor some code into a InstallGlobalCtors method, add comments. No functionality change. 
llvm-svn: 23435
 2005-09-26 02:31:18 +00:00
Chris Lattner
838bdc1836 Make the global opt optimizer work on modules with a null terminator, by 
accepting the null even with a non-65535 init prio

llvm-svn: 23434
 2005-09-26 02:19:27 +00:00
Chris Lattner
41b6a5a693 Factor this code out into a few methods. 
Implement the start of global ctor optimization.  It is currently smart
enough to remove the global ctor for cases like this:

struct foo {
  foo() {}
} x;

... saving a bit of startup time for the program.

llvm-svn: 23433
 2005-09-26 01:43:45 +00:00
Chris Lattner
50bdfcb045 Do not promote globals only used by main to locals if there are constantexprs 
or other uses hanging off of them.

llvm-svn: 22219
 2005-06-15 21:11:48 +00:00
Chris Lattner
a4c8022caf Convert non-address taken functions with C calling conventions to fastcc. 
llvm-svn: 21791
 2005-05-08 22:18:06 +00:00
Misha Brukman
b1c9317bb4 Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
531f9e92d4 This mega patch converts us from using Function::a{iterator|begin|end} to 
using Function::arg_{iterator|begin|end}.  Likewise Module::g* -> Module::global_*.

This patch is contributed by Gabor Greif, thanks!

llvm-svn: 20597
 2005-03-15 04:54:21 +00:00
Chris Lattner
7561ca1d15 Teach globalopt how memset/cpy/move affect memory, to allow better optimization. 
llvm-svn: 20352
 2005-02-27 18:58:52 +00:00
Chris Lattner
25169caa80 make this more efficient. Scan up to 16 nodes, not the whole list. 
llvm-svn: 20289
 2005-02-23 16:53:04 +00:00
Alkis Evlogimenos
c4a44c6b3d Localize globals if they are only used in main(). This replaces the 
global with an alloca, which eventually gets promoted into a
register. This enables a lot of other optimizations later on.

llvm-svn: 20109
 2005-02-10 18:36:30 +00:00
Chris Lattner
d6a4492f81 Adjust to changes in APIs 
llvm-svn: 19958
 2005-02-01 01:23:31 +00:00
Chris Lattner
46fa04b531 Fix VS warnings. 
llvm-svn: 19382
 2005-01-08 19:45:31 +00:00
Chris Lattner
745196a5fc Properly implement copying of a global, fixing the 255.vortex & povray 
failures from last night.

llvm-svn: 18832
 2004-12-12 19:34:41 +00:00