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Author SHA1 Message Date
Evan Cheng
64a1febf9a Implicit def instructions, e.g. X86::IMPLICIT_DEF_GR32, are always re-materializable and they should not be spilled. 
llvm-svn: 44960
 2007-12-12 23:12:09 +00:00
Duncan Sands
47526c4a42 Remove host endianness info from TargetData and 
put it in a new header System/Host.h instead.
Instead of getting the endianness from configure,
calculate it directly.

llvm-svn: 44959
 2007-12-12 23:03:45 +00:00
Dan Gohman
4bf237b584 Remove a forward-declaration for a non-existant class. 
llvm-svn: 44955
 2007-12-12 22:25:09 +00:00
Dan Gohman
0075ea1f5f Allow vector integer constants to be created with 
SelectionDAG::getConstant, in the same way as vector floating-point
constants. This allows the legalize expansion code for @llvm.ctpop and
friends to be usable with vector types.

llvm-svn: 44954
 2007-12-12 22:21:26 +00:00
Anton Korobeynikov
638a7cffbc Use vector for child storage instead of map. This will also make 
our life during future GraphTraits'ing slightly easier.

llvm-svn: 44952
 2007-12-12 19:08:44 +00:00
Duncan Sands
998cd21867 Revert r44626, which turned off the use of readonly 
and readnone for functions with bodies because it
broke llvm-gcc-4.2 bootstrap.  It turns out that,
because of LLVM's array_ref hack, gcc was computing
pure/const attributes wrong (now fixed by turning
off the gcc ipa-pure-const pass).

llvm-svn: 44937
 2007-12-12 16:01:40 +00:00
Wojciech Matyjewicz
8bb1d9e67c 1. "Upgrage" comments. 
2. Using zero-extended value of Scale and unsigned division is safe provided
   that Scale doesn't have the sign bit set.
   Previously these 2 instructions:
        %p = bitcast [100 x {i8,i8,i8}]* %x to i8*
        %q = getelementptr i8* %p, i32 -4
   were combined into:
        %q = getelementptr [100 x { i8, i8, i8 }]* %x, i32 0,
               i32 1431655764, i32 0
   what was incorrect.

llvm-svn: 44936
 2007-12-12 15:21:32 +00:00
Christopher Lamb
8187d5cde7 Regenerate. 
llvm-svn: 44934
 2007-12-12 08:45:45 +00:00
Christopher Lamb
6d12d7c0fe Implement part of review feedback for address spaces. 
llvm-svn: 44933
 2007-12-12 08:44:39 +00:00
Evan Cheng
ad3e7f3286 Use shuffles to implement insert_vector_elt for i32, i64, f32, and f64. 
llvm-svn: 44929
 2007-12-12 07:55:34 +00:00
Evan Cheng
af6ba4dfd4 Add a test case for -optimize-ext-uses. 
llvm-svn: 44928
 2007-12-12 07:54:08 +00:00
Evan Cheng
d36d69fe92 Lower a build_vector with all constants into a constpool load unless it can be done with a move to low part. 
llvm-svn: 44921
 2007-12-12 06:45:40 +00:00
Zhou Sheng
cba8d83b9a Add a guard to cxxabi header as other platform may 
not support it.

llvm-svn: 44914
 2007-12-12 06:16:47 +00:00
Zhou Sheng
089df5d640 Fixed PR1629. 
Make lli interpreter correctly call external functions sin()/cos(),
__cxa_guard_acquire() and __cxa_guard_release().

llvm-svn: 44910
 2007-12-12 04:55:43 +00:00
Chris Lattner
77ca8bde9d Fix a bug in my previous patch, thanks to Jay Foad for 
pointing this out and correcting the patch!

llvm-svn: 44907
 2007-12-12 03:56:54 +00:00
Evan Cheng
bb418c4551 Don't muck with phi nodes; bug fixes. 
llvm-svn: 44905
 2007-12-12 02:53:41 +00:00
Scott Michel
81b4099173 Correct typo for Linux: s/esp/%rsp/ 
llvm-svn: 44904
 2007-12-12 02:38:28 +00:00
Bill Wendling
e8eea25ad3 Bit masks conflicted. Needed to bump them by one. 
llvm-svn: 44903
 2007-12-12 01:51:58 +00:00
Owen Anderson
70df68f12d Forgot to remove a register from the PHI-union after I'd determined that it 
interfered with other registers.  Seems like that might be a good thing to do. :-)

llvm-svn: 44902
 2007-12-12 01:25:08 +00:00
Gordon Henriksen
3f070cf3b9 Add (very basic) bindings for ModuleProvider. 
llvm-svn: 44899
 2007-12-12 01:04:30 +00:00
Evan Cheng
d6ecb2e58d Bug fix. Only safe to perform extension uses optimization if the source of extension is also defined in the same BB as the extension. 
llvm-svn: 44896
 2007-12-12 00:51:06 +00:00
Daniel Berlin
fcce408d12 Changes from Curtis Dunham implementing lazy cycle detection algorithm. 
Changes from me implementing different way of representing points-to anything.
Changes from me that improve slightly on LCD.

llvm-svn: 44895
 2007-12-12 00:37:04 +00:00
Evan Cheng
283f581d51 If deleting a reload instruction due to reuse (value is available in register R and reload is targeting R), make sure to invalidate the kill information of the last kill. 
llvm-svn: 44894
 2007-12-11 23:36:57 +00:00
Bill Wendling
20a11adc5e Need to grow the indexed map. Added debug statements. 
llvm-svn: 44892
 2007-12-11 23:27:51 +00:00
Bill Wendling
c92c27f928 Simplify slightly. 
llvm-svn: 44881
 2007-12-11 22:22:22 +00:00
Anton Korobeynikov
f5c6b49537 Remove Trie::Edge class. Now edge labels are stored into nodes itself. 
llvm-svn: 44880
 2007-12-11 21:55:38 +00:00
Owen Anderson
fc359fc18b More progress on StrongPHIElimination. Now we actually USE the DomForest! 
llvm-svn: 44877
 2007-12-11 20:12:11 +00:00
Bill Wendling
9f0bcd67cf Blark! How in the world did this work without this?! 
llvm-svn: 44874
 2007-12-11 19:40:06 +00:00
Bill Wendling
30281897da - Update the virtual reg to machine instruction map when hoisting. 
- Fix subtle bug when creating initially creating this map.

llvm-svn: 44873
 2007-12-11 19:17:04 +00:00
Bill Wendling
9f02f24469 Checking for "zero operands" during the "CanHoistInst()" method isn't necessary 
because those with side effects will be caught by other checks in here.

Also, simplify the check for a BB in a sub loop.

llvm-svn: 44871
 2007-12-11 18:45:11 +00:00
Nate Begeman
e9067c13ec Allow the JIT to encode MMX instructions 
llvm-svn: 44869
 2007-12-11 18:06:14 +00:00
Wojciech Matyjewicz
f9fb2b23fe Use correct member access operator. 
(my test commit as well)

llvm-svn: 44868
 2007-12-11 17:46:25 +00:00
Dan Gohman
b658d65949 Rename these tests to use the appropriate suffixes. 
llvm-svn: 44867
 2007-12-11 15:55:52 +00:00
Dan Gohman
7867eefd96 Use not instead of ignore when an exit status is expected to always 
be non-zero.

llvm-svn: 44866
 2007-12-11 15:50:23 +00:00
Dan Gohman
7be70b555b Don't redirect stderr when it isn't needed. 
llvm-svn: 44865
 2007-12-11 15:41:11 +00:00
Duncan Sands
9251a8a97f Fix compilation. 
llvm-svn: 44864
 2007-12-11 12:20:47 +00:00
Christopher Lamb
9c572c5b50 Update credits. 
llvm-svn: 44861
 2007-12-11 09:32:07 +00:00
Christopher Lamb
99016c5793 Add information on address space qualifiers for pointer types and global 
declarations to the LangRef.

llvm-svn: 44860
 2007-12-11 09:31:00 +00:00
Christopher Lamb
71a996a387 Regenerate. 
llvm-svn: 44859
 2007-12-11 09:02:08 +00:00
Christopher Lamb
7368604860 Implement address space attribute for LLVM pointer types. Address spaces are 
regions of memory that have a target specific relationship, as described in the 
Embedded C Technical Report. 

This also implements the 2007-12-11-AddressSpaces test, 
which demonstrates how address space attributes can be used in LLVM IR.

In addition, this patch changes the bitcode signature for stores (in a backwards 
compatible manner), such that the pointer type, rather than the pointee type, is 
encoded. This permits type information in the pointer (e.g. address space) to be 
preserved for stores.

LangRef updates are forthcoming.

llvm-svn: 44858
 2007-12-11 08:59:05 +00:00
Chris Lattner
a8b1b4b5d2 Teach VMCore to constant fold shufflevectors with constant operands. 
This allows us to compile:

#include <emmintrin.h>
typedef __m128i VSInt16;
typedef short vSInt16 __attribute__ ((__vector_size__ (16)));
VSInt16 t3() {
  return (VSInt16)((vSInt16)_mm_set1_epi16(6518));
}

into:

_t3:
	movaps	LCPI1_0, %xmm0
	ret

instead of:
_t3:
	movl	$6518, %eax
	movd	%eax, %xmm0
	pextrw	$0, %xmm0, %eax
	xorps	%xmm0, %xmm0
	pinsrw	$0, %eax, %xmm0
	punpcklwd	%xmm0, %xmm0
	pshufd	$0, %xmm0, %xmm0
	ret

llvm-svn: 44856
 2007-12-11 07:49:37 +00:00
Chris Lattner
568d56425b Implement constant folding if vector<->vector bitcasts where the number 
of source/dest elements changes.  This implements
test/Transforms/InstCombine/bitcast-vector-fold.ll

llvm-svn: 44855
 2007-12-11 07:29:44 +00:00
Reid Spencer
3a83a29e21 Don't have APInt.cpp depend upon DerivedTypes.h. This helps with splitting the 
Support libraries separately into their own module.

llvm-svn: 44852
 2007-12-11 06:53:58 +00:00
Anton Korobeynikov
0fc72aee23 Add first and really dirty version of generic Trie structure 
llvm-svn: 44851
 2007-12-11 06:53:44 +00:00
Chris Lattner
b265924121 significantly simplify some code, no functionality change. 
llvm-svn: 44850
 2007-12-11 06:07:39 +00:00
Chris Lattner
3822e8ee5a refactor some code, no functionality change. 
llvm-svn: 44849
 2007-12-11 05:55:02 +00:00
Evan Cheng
45c08c8337 Switch over to MachineLoopInfo. 
llvm-svn: 44838
 2007-12-11 02:09:15 +00:00
Evan Cheng
b5ceb5ae06 Pretty print shuffle mask operand. 
llvm-svn: 44837
 2007-12-11 02:08:35 +00:00
Evan Cheng
f6c2838f36 - Improved v8i16 shuffle lowering. It now uses pshuflw and pshufhw as much as 
possible before resorting to pextrw and pinsrw.
- Better codegen for v4i32 shuffles masquerading as v8i16 or v16i8 shuffles.
- Improves (i16 extract_vector_element 0) codegen by recognizing
  (i32 extract_vector_element 0) does not require a pextrw.

llvm-svn: 44836
 2007-12-11 01:46:18 +00:00
Nate Begeman
8b194d1718 x86 doesn't actually want to custom lower v3i32 
llvm-svn: 44835
 2007-12-11 01:41:33 +00:00