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Author SHA1 Message Date
Anton Korobeynikov
b003fb0ed7 Clarify the need of CFI() stuff 
llvm-svn: 44819
 2007-12-10 23:08:35 +00:00
Anton Korobeynikov
fd74645812 Provide convenient way to disable CFI stuff for old/broken assemblers. 
Use it for Darwin.

llvm-svn: 44818
 2007-12-10 23:04:38 +00:00
Chris Lattner
5ca42cd342 Fix PR1850 by removing an unsafe transformation from VMCore/ConstantFold.cpp. 
Reimplement the xform in Analysis/ConstantFolding.cpp where we can use
targetdata to validate that it is safe.  While I'm in there, fix some const
correctness issues and generalize the interface to the "operand folder".

llvm-svn: 44817
 2007-12-10 22:53:04 +00:00
Ted Kremenek
d0f4955b73 Added two bounds checks to the BitVector class to detect 
out-of-bounds bit accesses.  The checks are only performed
in a Debug build.

llvm-svn: 44815
 2007-12-10 22:28:35 +00:00
Chris Lattner
f6fc9924a4 split isBinaryOp into a static and member version. 
llvm-svn: 44814
 2007-12-10 22:18:53 +00:00
John Criswell
217f454b10 Fix some wording. 
llvm-svn: 44810
 2007-12-10 20:26:29 +00:00
Chuck Rose III
25ba152734 Add StringPool + new CodeGen files to win32 build 
llvm-svn: 44805
 2007-12-10 19:31:09 +00:00
Chris Lattner
b511799808 Disable cfi directives for now, darwin does't support them. 
These should probably be something like:

  CFI(".cfi_def_cfa_offset 16\n")

where CFI is defined to a noop on darwin and other platforms
that don't support those directives.

llvm-svn: 44803
 2007-12-10 19:10:18 +00:00
Duncan Sands
b7ac459292 Make PruneEH update the nounwind/noreturn attributes 
on functions as it calculates them.

llvm-svn: 44802
 2007-12-10 19:09:40 +00:00
Duncan Sands
1279851352 Fix PR1836: in the interpreter, read and write apints 
using the minimum possible number of bytes.  For little
endian targets run on little endian machines, apints are
stored in memory from LSB to MSB as before.  For big endian
targets on big endian machines they are stored from MSB to
LSB which wasn't always the case before (if the target and
host endianness doesn't match values are stored according
to the host's endianness).  Doing this requires knowing the
endianness of the host, which is determined when configuring -
thanks go to Anton for this.  Only having access to little
endian machines I was unable to properly test the big endian
part, which is also the most complicated...

llvm-svn: 44796
 2007-12-10 17:43:13 +00:00
Anton Korobeynikov
cd497afc30 And finally annotate X86-64 version of callback. 
All bad stuff from SSE version is implicitely inherited :)

llvm-svn: 44794
 2007-12-10 15:27:07 +00:00
Anton Korobeynikov
49e2962ad3 Provide annotation for SSE version of callback. It's even more 
broken, because doesn't mark xmm regs properly

llvm-svn: 44793
 2007-12-10 15:13:55 +00:00
Anton Korobeynikov
0e4780cfe2 Annotate JIT callback function with call frame infromation. 
This will allow us (theoretically) to unwind through JITer.
The code wasn't verified, so I'm pretty sure offsets are wrong :)

llvm-svn: 44792
 2007-12-10 14:54:42 +00:00
Duncan Sands
948343f861 It looks like this has been broken for some time - 
get it to compile.

llvm-svn: 44791
 2007-12-10 14:43:10 +00:00
Owen Anderson
4bd6d18e18 A little more progress on StrongPHIElimination, now that I have a better sense of 
how the CodeGen machinery works.

llvm-svn: 44786
 2007-12-10 08:07:09 +00:00
Christopher Lamb
5c577eb543 Improve branch folding by recgonizing that explict successor relationships impact the value of fall-through choices. 
llvm-svn: 44785
 2007-12-10 07:24:06 +00:00
Gordon Henriksen
aadbdd1a62 Delete the CollectorNamePool if it should become empty. 
llvm-svn: 44775
 2007-12-10 03:35:18 +00:00
Gordon Henriksen
fbd6134a51 Fix a typo spotted by Nick Lewycky. 
llvm-svn: 44774
 2007-12-10 03:30:21 +00:00
Gordon Henriksen
5d201e0bcc Adding a collector name attribute to Function in the IR. These 
methods are new to Function:

  bool hasCollector() const;
  const std::string &getCollector() const;
  void setCollector(const std::string &);
  void clearCollector();

The assembly representation is as such:

  define void @f() gc "shadow-stack" { ...

The implementation uses an on-the-side table to map Functions to 
collector names, such that there is no overhead. A StringPool is 
further used to unique collector names, which are extremely
likely to be unique per process.

llvm-svn: 44769
 2007-12-10 03:18:06 +00:00
Gordon Henriksen
8430f1ff9a Reverting dtor devirtualization patch. 
_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

llvm-svn: 44760
 2007-12-10 02:14:30 +00:00
Chris Lattner
825404d39d remove some dead code. 
llvm-svn: 44757
 2007-12-10 01:51:38 +00:00
Chris Lattner
11bc69b3c8 fix some warnings. 
llvm-svn: 44756
 2007-12-10 01:51:22 +00:00
Chris Lattner
3d939a50a5 Fix a big problem in the recent dtor refactoring work, now it passes 2007-11-19-InlineAsm.ll 
llvm-svn: 44755
 2007-12-10 01:48:29 +00:00
Gordon Henriksen
a18a78e6e5 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
llvm-svn: 44747
 2007-12-09 22:46:10 +00:00
Chris Lattner
ac2bfb78d9 Duncan points out that the subtraction is unneeded since hte code 
knows the vector is not pow2

llvm-svn: 44740
 2007-12-09 17:56:34 +00:00
Gordon Henriksen
64016be9ea Upgrading this test to 2.0 .ll syntax. 
llvm-svn: 44738
 2007-12-09 15:03:01 +00:00
Chris Lattner
95f9743c43 Fix PR1782, patch by Wojtek Matyjewicz! 
llvm-svn: 44733
 2007-12-09 07:35:13 +00:00
Gordon Henriksen
3d1a3ce823 Fix a very silly typo. 
llvm-svn: 44732
 2007-12-09 01:12:08 +00:00
Chris Lattner
80878e3d9c Fix accidental commit by Bill. 
llvm-svn: 44729
 2007-12-09 00:27:38 +00:00
Chris Lattner
84241dd771 Add support for splitting the operand of a return instruction. 
llvm-svn: 44728
 2007-12-09 00:06:19 +00:00
Bill Wendling
8d8d9a2f5e Reverting 44702. It wasn't correct to rename them. 
llvm-svn: 44727
 2007-12-08 23:58:46 +00:00
Chris Lattner
164d423f91 add many new cases to SplitResult. SplitResult now handles all the cases that LegalizeDAG does. 
llvm-svn: 44726
 2007-12-08 23:58:27 +00:00
Chris Lattner
6db5e91e16 Implement splitting support for store, allowing us to compile: 
%f8 = type <8 x float>

define void @test_f8(%f8* %P, %f8* %Q, %f8* %S) {
	%p = load %f8* %P		; <%f8> [#uses=1]
	%q = load %f8* %Q		; <%f8> [#uses=1]
	%R = add %f8 %p, %q		; <%f8> [#uses=1]
	store %f8 %R, %f8* %S
	ret void
}

into:

_test_f8:
	movaps	16(%rdi), %xmm0
	addps	16(%rsi), %xmm0
	movaps	(%rdi), %xmm1
	addps	(%rsi), %xmm1
	movaps	%xmm0, 16(%rdx)
	movaps	%xmm1, (%rdx)
	ret

llvm-svn: 44725
 2007-12-08 23:24:26 +00:00
Chris Lattner
b073361c3e implement vector splitting of load, undef, and binops. 
llvm-svn: 44724
 2007-12-08 23:08:49 +00:00
Chris Lattner
8942654140 implement some methods. 
llvm-svn: 44723
 2007-12-08 22:40:18 +00:00
Chris Lattner
cd7fc69c7c add scaffolding for splitting of vectors. 
llvm-svn: 44722
 2007-12-08 22:37:41 +00:00
Nate Begeman
45c1759ccd Project cleanups 
llvm-svn: 44721
 2007-12-08 22:29:19 +00:00
Chris Lattner
92a284d220 Remove dead file and directory. 
llvm-svn: 44720
 2007-12-08 22:17:33 +00:00
Chris Lattner
558d101dbd reorganize header to separate into functional blocks. 
llvm-svn: 44719
 2007-12-08 21:59:32 +00:00
Chris Lattner
5e6bf4bc6f split scalarization out to its own file. 
llvm-svn: 44718
 2007-12-08 20:30:28 +00:00
Chris Lattner
b5925fda97 Split expansion out into its own file. 
llvm-svn: 44717
 2007-12-08 20:27:32 +00:00
Chris Lattner
633c76f607 Split promotion support out to its own file. 
llvm-svn: 44716
 2007-12-08 20:24:38 +00:00
Chris Lattner
39571d55bc Rename LegalizeDAGTypes.cpp -> LegalizeTypes.cpp 
llvm-svn: 44715
 2007-12-08 20:17:13 +00:00
Chris Lattner
424de81c2e Split the class definition of DAGTypeLegalizer out into a header. 
Leave it visibility hidden, but not in an anon namespace.

llvm-svn: 44714
 2007-12-08 20:16:06 +00:00
Gordon Henriksen
902a20040f Incorporating review feedback from Reid. 
llvm-svn: 44713
 2007-12-08 20:10:40 +00:00
Chris Lattner
8b88401fbe remove dead #include. 
llvm-svn: 44711
 2007-12-08 19:06:21 +00:00
Chris Lattner
df7a006f45 add #include 
llvm-svn: 44710
 2007-12-08 19:03:30 +00:00
Chris Lattner
d62e99bd4a eliminate dependency on Bitcode headers. 
llvm-svn: 44709
 2007-12-08 19:01:44 +00:00
Chris Lattner
44b8c0e9e1 remove dead #include, APInt.h already has the needed forward decls. 
llvm-svn: 44708
 2007-12-08 19:00:38 +00:00
Chris Lattner
1fe38f35c1 proper #include order. 
llvm-svn: 44707
 2007-12-08 19:00:03 +00:00