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655 Commits

Author SHA1 Message Date
Chris Lattner
c9039049c0 Fix ConstantMerge/2006-03-07-DontMergeDiffSections.ll, a problem Jim 
hypotheticalized about, where we would incorrectly merge two globals in
different sections.

llvm-svn: 26597
 2006-03-07 17:56:59 +00:00
Chris Lattner
a22de4b7d3 Make this work with renamed intrinsics. 
llvm-svn: 26482
 2006-03-03 01:30:23 +00:00
Andrew Lenharth
f66fde7b14 fix a bunch of alpha regressions. see bug 709 
llvm-svn: 26218
 2006-02-15 21:13:37 +00:00
Chris Lattner
6e1f262158 add a bunch more optimizations for unary double math functions 
llvm-svn: 25530
 2006-01-23 06:24:46 +00:00
Chris Lattner
22fa9eeac1 Refactor/genericize this, no functionality change 
llvm-svn: 25525
 2006-01-23 05:57:36 +00:00
Chris Lattner
2588f0eb8f Make iostream #inclusion explicit 
llvm-svn: 25514
 2006-01-22 23:32:06 +00:00
Chris Lattner
0dbef6ec71 Make this more efficient in the following ways: 
1. Do not statically construct a map when the program starts up, this
   is expensive and cannot be optimized.  Instead, create a list.
2. Do not insert entries for all function in the module into a hashmap
   that lives the full life of the compiler.

llvm-svn: 25512
 2006-01-22 23:10:26 +00:00
Chris Lattner
305fee5118 Several non-functionality changing changes: 
1. Use the varargs version of getOrInsertFunction to simplify code.
2. remove #include
3. Reduce the number of #ifdef's.
4. remove extraneous vertical whitespace.

llvm-svn: 25508
 2006-01-22 22:35:08 +00:00
Reid Spencer
585019f629 For PR696: 
Don't do floor->floorf conversion if floorf is not available. This checks
the compiler's host, not its target, which is incorrect for cross-compilers
Not sure that's important as we don't build many cross-compilers.

llvm-svn: 25456
 2006-01-19 08:36:56 +00:00
Chris Lattner
d5a7ceda96 If not internalizing, don't mark llvm.global[cd]tors const, as a fix for a 
hypothetical future boog.

llvm-svn: 25430
 2006-01-19 00:46:54 +00:00
Chris Lattner
197d33ce21 Don't internalize llvm.global[cd]tor unless there are uses of it. This 
unbreaks front-ends that don't use __main (like the new CFE).

llvm-svn: 25429
 2006-01-19 00:40:39 +00:00
Chris Lattner
ddbf4fba37 Clean up the FFS optimization code, and make it correctly create the appropriate 
unsigned llvm.cttz.* intrinsic, fixing the 2005-05-11-Popcount-ffs-fls regression
last night.

llvm-svn: 25398
 2006-01-17 18:27:17 +00:00
Chris Lattner
f718ef50ad Let the inliner update the callgraph to reflect the changes it makes, instead 
of doing it ourselves.  This fixes Transforms/Inline/2006-01-14-CallGraphUpdate.ll

llvm-svn: 25321
 2006-01-14 20:09:18 +00:00
Chris Lattner
67a0c03bb4 Permit inlining functions that contain dynamic allocations now that 
InlineFunction handles this case safely.  This implements
Transforms/Inline/dynamic_alloca_test.ll.

llvm-svn: 25288
 2006-01-13 19:35:43 +00:00
Chris Lattner
32f54b291d Fix 80 column violations 
llvm-svn: 25279
 2006-01-13 18:06:56 +00:00
Chris Lattner
6a56973377 Pull inline methods out of the pass class definition to make it easier to 
read the code.

Do not internalize debugger anchors.

llvm-svn: 25067
 2006-01-03 19:13:17 +00:00
Reid Spencer
519dc24073 Improve ResolveFunctions to: 
a) use better local variable names (OldMT -> OldFT) where "M" is used to
   mean "Function" (perhaps it was previously "Method"?)
b) print out the module identifier in a warning message so that it is
   possible to track down in which module the error occurred.

llvm-svn: 24698
 2005-12-13 19:56:51 +00:00
Chris Lattner
a4fe0bd75f Wrap a long line, never internalize llvm.used. 
llvm-svn: 24602
 2005-12-05 05:07:38 +00:00
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