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21005 Commits

Author SHA1 Message Date
Anton Korobeynikov
7eb587779e Hey, English is not my native language :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44820 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 23:10:20 +00:00
Anton Korobeynikov
2fb9deef10 Clarify the need of CFI() stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44819 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 23:08:35 +00:00
Anton Korobeynikov
5f68287605 Provide convenient way to disable CFI stuff for old/broken assemblers. 
Use it for Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44818 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 23:04:38 +00:00
Chris Lattner
f286f6fd93 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".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44817 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 22:53:04 +00:00
Chris Lattner
ec90cd1bf8 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44803 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 19:10:18 +00:00
Duncan Sands
cbb8badce8 Make PruneEH update the nounwind/noreturn attributes 
on functions as it calculates them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44802 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 19:09:40 +00:00
Duncan Sands
1eff70451f 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...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44796 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 17:43:13 +00:00
Anton Korobeynikov
3a7bcc4d1b And finally annotate X86-64 version of callback. 
All bad stuff from SSE version is implicitely inherited :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44794 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 15:27:07 +00:00
Anton Korobeynikov
df7814ce92 Provide annotation for SSE version of callback. It's even more 
broken, because doesn't mark xmm regs properly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44793 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 15:13:55 +00:00
Anton Korobeynikov
a14b6696c0 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 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44792 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 14:54:42 +00:00
Duncan Sands
22ad1d72cd It looks like this has been broken for some time - 
get it to compile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44791 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 14:43:10 +00:00
Owen Anderson
afc6de0015 A little more progress on StrongPHIElimination, now that I have a better sense of 
how the CodeGen machinery works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44786 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 08:07:09 +00:00
Christopher Lamb
11a4f64bd4 Improve branch folding by recgonizing that explict successor relationships impact the value of fall-through choices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44785 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 07:24:06 +00:00
Gordon Henriksen
53c34b1db9 Delete the CollectorNamePool if it should become empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44775 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 03:35:18 +00:00
Gordon Henriksen
80a75bfae9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44769 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 03:18:06 +00:00
Gordon Henriksen
afba8fe662 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 02:14:30 +00:00
Chris Lattner
d418239da7 fix some warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 01:51:22 +00:00
Chris Lattner
429c8221cc Fix a big problem in the recent dtor refactoring work, now it passes 2007-11-19-InlineAsm.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 01:48:29 +00:00
Gordon Henriksen
ed455c8fa2 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-09 22:46:10 +00:00
Chris Lattner
46a6e79e60 Duncan points out that the subtraction is unneeded since hte code 
knows the vector is not pow2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-09 17:56:34 +00:00
Chris Lattner
f88380ba2c Fix PR1782, patch by Wojtek Matyjewicz! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-09 07:35:13 +00:00
Chris Lattner
0097555e01 Add support for splitting the operand of a return instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-09 00:06:19 +00:00
Bill Wendling
041b3f8356 Reverting 44702. It wasn't correct to rename them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44727 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 23:58:46 +00:00
Chris Lattner
eeaad40246 add many new cases to SplitResult. SplitResult now handles all the cases that LegalizeDAG does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44726 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 23:58:27 +00:00
Chris Lattner
50187864c1 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 23:24:26 +00:00
Chris Lattner
697b53e0b2 implement vector splitting of load, undef, and binops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44724 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 23:08:49 +00:00
Chris Lattner
e4af7b5a57 implement some methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44723 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 22:40:18 +00:00
Chris Lattner
13c6a1740c add scaffolding for splitting of vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 22:37:41 +00:00
Chris Lattner
e507c48eeb Remove dead file and directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44720 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 22:17:33 +00:00
Chris Lattner
7514646b31 reorganize header to separate into functional blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44719 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 21:59:32 +00:00
Chris Lattner
ee88813275 split scalarization out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44718 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 20:30:28 +00:00
Chris Lattner
cc663a8112 Split expansion out into its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44717 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 20:27:32 +00:00
Chris Lattner
08d1275cb8 Split promotion support out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44716 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 20:24:38 +00:00
Chris Lattner
524825b626 Rename LegalizeDAGTypes.cpp -> LegalizeTypes.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44715 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 20:17:13 +00:00
Chris Lattner
dff67f5770 Split the class definition of DAGTypeLegalizer out into a header. 
Leave it visibility hidden, but not in an anon namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 20:16:06 +00:00
Chris Lattner
d185f64f82 add #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 19:03:30 +00:00
Chris Lattner
36d26c201f proper #include order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 19:00:03 +00:00
Gordon Henriksen
985cb62234 Adding a StringPool data structure, which GC will use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44705 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 17:07:47 +00:00
Chris Lattner
5aaddaa7b8 aesthetic changes, no functionality change. Evan, it's not clear 
what 'Available' is, please add a comment near it and rename it
if appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 07:22:58 +00:00
Bill Wendling
320c630c1b Renaming: 
isTriviallyReMaterializable -> hasNoSideEffects
  isReallyTriviallyReMaterializable -> isTriviallyReMaterializable


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 07:17:56 +00:00
Chris Lattner
d96428597b Fix a significant code quality regression I introduced on PPC64 quite 
a while ago.  We now produce:

_foo:
	mflr r0
	std r0, 16(r1)
	ld r2, 16(r1)
	std r2, 0(r3)
	ld r0, 16(r1)
	mtlr r0
	blr 

instead of:

_foo:
	mflr r0
	std r0, 16(r1)
	lis r0, 0
	ori r0, r0, 16
	ldx r2, r1, r0
	std r2, 0(r3)
	ld r0, 16(r1)
	mtlr r0
	blr 

for:

void foo(void **X) {
  *X = __builtin_return_address(0);
}

on ppc64.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 07:04:58 +00:00
Chris Lattner
3fc027df4f implement __builtin_return_addr(0) on ppc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 06:59:59 +00:00
Chris Lattner
73944fb222 refactor some code to avoid overloading the name 'usesLR' in 
different places to mean different things.  Document what the
one in PPCFunctionInfo means and when it is valid.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 06:39:11 +00:00
Bill Wendling
b48519cbad Incorporated comments from Evan and Chris: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071203/056043.html
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071203/056048.html



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 01:47:01 +00:00
Owen Anderson
5fc4abac3d Fix several cache coherence bugs in MemDep/GVN that were found. Also add some (disabled) debugging code 
to make such problems easier to diagnose in the future, written by Duncan Sands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 01:37:09 +00:00
Evan Cheng
1713d8bcff Doh 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44694 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 01:01:07 +00:00
Evan Cheng
7658445fa6 Fix a compilation warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 01:00:31 +00:00
Evan Cheng
5a759616b6 Fix a compilation warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-08 01:00:21 +00:00
Bill Wendling
0f940c95d4 Initial commit of the machine code LICM pass. It successfully hoists this: 
_foo:
        li r2, 0
LBB1_1: ; bb
        li r5, 0
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmplw cr0, r2, r4
        bne cr0, LBB1_1 ; bb
LBB1_2: ; return
        blr 

to:

_foo:
        li r2, 0
        li r5, 0
LBB1_1: ; bb
        stw r5, 0(r3)
        addi r2, r2, 1
        addi r3, r3, 4
        cmplw cr0, r2, r4
        bne cr0, LBB1_1 ; bb
LBB1_2: ; return
        blr

ZOMG!! :-)

Moar to come...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-07 21:42:31 +00:00
Evan Cheng
779ccea5b6 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44686 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-07 21:30:01 +00:00