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f299b9fb03
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537 Commits

Author SHA1 Message Date
Nate Begeman
f299b9fb03 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
7fe091048c Stop using deprecated types 
llvm-svn: 23973
 2005-10-25 11:18:06 +00:00
Chris Lattner
e6f7a38925 DONT_BUILD_RELINKED is gone and implied by BUILD_ARCHIVE now 
llvm-svn: 23940
 2005-10-24 02:26:13 +00:00
Chris Lattner
a4b13acd52 Only build .a file versions of these libraries, instead of .a and .o versions. 
This should speed up build times.

llvm-svn: 23933
 2005-10-24 01:59:48 +00:00
Jeff Cohen
a38c737e85 When a function takes a variable number of pointer arguments, with a zero 
pointer marking the end of the list, the zero *must* be cast to the pointer
type.  An un-cast zero is a 32-bit int, and at least on x86_64, gcc will
not extend the zero to 64 bits, thus allowing the upper 32 bits to be
random junk.

The new END_WITH_NULL macro may be used to annotate a such a function
so that GCC (version 4 or newer) will detect the use of un-casted zero
at compile time.

llvm-svn: 23888
 2005-10-23 04:37:20 +00:00
Chris Lattner
d21885e6c9 Add an option to this pass. If it is set, we are allowed to internalize 
all but main.  If it's not set, we can still internalize, but only if an
explicit symbol list is provided.

llvm-svn: 23783
 2005-10-18 06:29:22 +00:00
Chris Lattner
c800214144 Fold isascii into a simple comparison. This speeds up 197.parser by 7.4%, 
bringing the LLC time down to the CBE time.

llvm-svn: 23521
 2005-09-29 06:17:27 +00:00
Chris Lattner
3aa9edd482 remove a bunch of unneeded stuff, or self evident comments 
llvm-svn: 23519
 2005-09-29 06:16:11 +00:00
Chris Lattner
0cf56701ef Implement a couple of memcmp folds from the todo list 
llvm-svn: 23517
 2005-09-29 04:54:20 +00:00
Chris Lattner
80e4480cfa 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
e242673da3 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
b3b15ed0a3 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
dc94923d86 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
5bc02b52dd Refactor this code a bit, no functionality changes. 
llvm-svn: 23460
 2005-09-27 04:27:01 +00:00
Chris Lattner
fc4e38bf0a Remove some dead code. ctor evaluation subsumes empty ctor elim 
llvm-svn: 23453
 2005-09-26 20:38:20 +00:00
Chris Lattner
ade39df257 Add support for alloca, implementing ctor-list-opt.ll:CTOR6 
llvm-svn: 23452
 2005-09-26 17:07:09 +00:00
Chris Lattner
c1fe36502e Add a debug printout, fix a crash on kc++ 
llvm-svn: 23450
 2005-09-26 07:34:35 +00:00
Chris Lattner
7283d69b9f 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
6488c9bbc1 Replace TraverseGEPInitializer with ConstantFoldLoadThroughGEPConstantExpr 
llvm-svn: 23447
 2005-09-26 05:34:07 +00:00
Chris Lattner
e149840f04 add a comment 
llvm-svn: 23442
 2005-09-26 05:16:34 +00:00
Chris Lattner
2addd0dcab Add support for getelementptr, load, and correctly reject volatile stores. 
llvm-svn: 23441
 2005-09-26 05:15:37 +00:00
Chris Lattner
8364e6b0db Add support for br/brcond/switch and phi 
llvm-svn: 23439
 2005-09-26 04:57:38 +00:00
Chris Lattner
1d43adff6d 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
9b71d2a0f6 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
fb737b72b1 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
ca854922fb 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
d8febfc4aa Fix some logic I broke that caused a regression on 
SimplifyLibCalls/2005-05-20-sprintf-crash.ll

llvm-svn: 23430
 2005-09-25 07:06:48 +00:00
Chris Lattner
7af8b0777a Simplify this code a bit by relying on recursive simplification. Support 
sprintf("%s", P)'s that have uses.

s/hasNUses(0)/use_empty()/

llvm-svn: 23425
 2005-09-24 22:17:06 +00:00
Chris Lattner
043ab16860 Transform floor((double)FLT) -> (double)floorf(FLT), implementing 
Regression/Transforms/SimplifyLibCalls/floor.ll.  This triggers 19 times in
177.mesa.

llvm-svn: 23017
 2005-08-24 17:22:17 +00:00
Chris Lattner
a539b03210 All stats are "Number of ..." 
llvm-svn: 22694
 2005-08-07 20:02:04 +00:00
Chris Lattner
8e9bc37bda ConstantInt::get only works for arguments < 128. 
SimplifyLibCalls probably has to be audited to make sure it does not make
this mistake elsewhere.  Also, if this code knows that the type will be
unsigned, obviously one arm of this is dead.

Reid, can you take a look into this further?

llvm-svn: 22566
 2005-08-01 16:52:50 +00:00
Jeff Cohen
bd51ec7461 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
John Criswell
a6620d4a6e Doh! Forgot to LLVMify the style. 
llvm-svn: 22312
 2005-06-29 15:57:50 +00:00
John Criswell
1bafe064da Basic fix for PR#591; don't convert an fprintf() to an fwrite() if there 
is a mismatch in their character type pointers (i.e. fprintf() prints an
array of ubytes while fwrite() takes an array of sbytes).
We can probably do better than this (such as casting the ubyte to an
sbyte).

llvm-svn: 22310
 2005-06-29 15:03:18 +00:00
Chris Lattner
eb08628106 add a debug type 
llvm-svn: 22277
 2005-06-24 16:00:46 +00:00
Reid Spencer
a6012f9023 Fix a problem with the strcmp optimization checking the wrong string and 
not casting to the correct type.

llvm-svn: 22250
 2005-06-18 17:46:28 +00:00
Chris Lattner
4cff3f786f Fix PR575, patch provided by John Mellor-Crummey. Thanks! 
llvm-svn: 22223
 2005-06-15 22:49:30 +00:00
Chris Lattner
369ba5da69 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
092a738e18 Fix a problem on 64-bit targets where we passed (int)0 through ... instead of 
(void*)0.

llvm-svn: 22205
 2005-06-09 02:59:00 +00:00
Reid Spencer
59580db70f Make the registration hash_map static. No other module needs it. Also, 
document what its for a little better.

llvm-svn: 22164
 2005-05-21 01:27:04 +00:00
Reid Spencer
6c0f6b6458 Adjust the file comment to read a little easier. 
llvm-svn: 22163
 2005-05-21 00:57:44 +00:00
Reid Spencer
5161c39bfe Make sure ... arguments are casted to sbyte* where needed. 
llvm-svn: 22162
 2005-05-21 00:39:30 +00:00
Reid Spencer
0a43070283 Add a "brief" comment for CastToCStr 
llvm-svn: 22161
 2005-05-21 00:23:23 +00:00
Chris Lattner
d7d4a57a4f Fix mismatched type problem that crashed on cases like this: 
sprintf(P, "%s", X);

Where X is not an sbyte*.  This fixes the bug JohnMC reported on llvm-bugs.

llvm-svn: 22159
 2005-05-20 22:22:25 +00:00
Chris Lattner
df9c75fb12 teach the inliner about coldcc and noreturn functions 
llvm-svn: 22113
 2005-05-18 04:30:33 +00:00
Reid Spencer
720fbd937a Don't look for __builtin_ffs, we'll never see it from llvm-gcc and there's 
not reason to include it for other front ends.

llvm-svn: 22070
 2005-05-15 21:27:34 +00:00
Reid Spencer
58ad53e9d3 Provide this optimization as well: 
ffs(x) -> (x == 0 ? 0 : 1+llvm.cttz(x))

llvm-svn: 22068
 2005-05-15 21:19:45 +00:00
Reid Spencer
24104523b5 Duh .. you actually have to #include Config/config.h before you can test 
for one of the values that it defines!

llvm-svn: 22058
 2005-05-15 17:20:47 +00:00
Reid Spencer
9cd1000c52 Changes for ffs lib call simplification: 
* Check for availability of ffsll call in configure script
* Support ffs, ffsl, and ffsll conversion to constant value if the argument
  is constant.

llvm-svn: 22027
 2005-05-14 16:42:52 +00:00
Chris Lattner
2d9c054f4e Preserve calling conventions when doing IPO 
llvm-svn: 21798
 2005-05-09 01:05:50 +00:00