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8357 Commits

Author SHA1 Message Date
Chris Lattner
2bc8002f4c rename indbr -> indirectbr to appease the residents of #llvm. 
llvm-svn: 85351
 2009-10-28 00:19:10 +00:00
Dale Johannesen
9f175bf461 Add radar number. 
llvm-svn: 85290
 2009-10-27 20:12:38 +00:00
Dale Johannesen
089d45f489 Testcase for llvm-gcc patch 85284. 
llvm-svn: 85287
 2009-10-27 20:06:05 +00:00
Chris Lattner
fdda543cea add enough support for indirect branch for the feature test to pass 
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.

llvm-svn: 85274
 2009-10-27 19:13:16 +00:00
Rafael Espindola
9cafe9e468 Add missing testcase. 
llvm-svn: 85266
 2009-10-27 17:59:03 +00:00
Chris Lattner
9ab753239b change of mind :) 
llvm-svn: 85258
 2009-10-27 17:40:49 +00:00
Chris Lattner
ec7abb4dd5 rename test. 
llvm-svn: 85256
 2009-10-27 17:40:19 +00:00
Edward O'Callaghan
142c2fc0ae Convert Analysis tests to FileCheck in regards to PR5307. 
llvm-svn: 85241
 2009-10-27 14:54:46 +00:00
Bob Wilson
aadcaed95f Fix Thumb2 failures by converting them to FileCheck. 
llvm-svn: 85210
 2009-10-27 06:31:02 +00:00
Bob Wilson
cc098c98de Fix the rest of the ARM failures by converting them to FileCheck. 
llvm-svn: 85208
 2009-10-27 06:16:45 +00:00
Bob Wilson
5753a34ebb Fix some more failures by converting to FileCheck. 
llvm-svn: 85207
 2009-10-27 05:50:28 +00:00
Chris Lattner
aecb9a4040 Fix a pretty serious misfeature of the inliner: if it inlines a function 
with multiple return values it inserts a PHI to merge them all together.
However, if the return values are all the same, it ends up with a pointless
PHI and this pointless PHI happens to really block SRoA from happening in 
at least a silly C++ example written by Doug, but probably others.  This 
fixes rdar://7339069.

llvm-svn: 85206
 2009-10-27 05:39:41 +00:00
Chris Lattner
4648c60623 convert to filecheck. 
llvm-svn: 85205
 2009-10-27 05:35:35 +00:00
Bob Wilson
37191c825b Convert to FileCheck, fixing failure due to tab change in the process. 
llvm-svn: 85204
 2009-10-27 05:30:47 +00:00
Edward O'Callaghan
e9e8913261 Convert a few tests to FileCheck for PR5307. 
llvm-svn: 85171
 2009-10-26 22:52:03 +00:00
Dan Gohman
795e3db7ce Code that checks WillNotOverflowSignedAdd before creating an Add 
can safely use the NSW bit on the Add.

llvm-svn: 85164
 2009-10-26 22:14:22 +00:00
Dan Gohman
c8468855a7 Teach BasicAA how to analyze Select instructions, and make it more 
aggressive on PHI instructions.

llvm-svn: 85158
 2009-10-26 21:55:43 +00:00
David Goodwin
f6199e95b0 Break anti-dependence breaking out into its own class. 
llvm-svn: 85127
 2009-10-26 16:59:04 +00:00
Chris Lattner
7f9ddaf7e3 reapply r85085 with a bugfix to avoid infinite looping. 
All of the 'demorgan' related xforms need to use 
dyn_castNotVal, not m_Not.

llvm-svn: 85119
 2009-10-26 15:40:07 +00:00
Dan Gohman
3d0c010ee4 Make LSR's OptimizeShadowIV ignore induction variables with negative 
strides for now, because it doesn't handle them correctly. This fixes a
miscompile of SingleSource/Benchmarks/Misc-C++/ray.

This problem was usually hidden because indvars transforms such induction
variables into negations of canonical induction variables.

llvm-svn: 85118
 2009-10-26 15:32:57 +00:00
Evan Cheng
4443642def - Revert some changes from 85044, 85045, and 85047 that broke x86_64 tests and 
bootstrapping. It's not safe to leave identity subreg_to_reg and insert_subreg
  around.
- Relax register scavenging to allow use of partially "not-live" registers. It's
  common for targets to operate on registers where the top bits are undef. e.g.
  s0 =
  d0 = insert_subreg d0<undef>, s0, 1
  ...
     = d0
  When the insert_subreg is eliminated by the coalescer, the scavenger used to
  complain. The previous fix was to keep to insert_subreg around. But that's
  brittle and it's overly conservative when we want to use the scavenger to 
  allocate registers. It's actually legal and desirable for other instructions
  to use the "undef" part of d0. e.g.
  s0 =
  d0 = insert_subreg d0<undef>, s0, 1
  ...
  s1 =
     = s1
     = d0
  We probably need add a "partial-undef" marker on machine operand so the
  machine verifier would not complain.

llvm-svn: 85091
 2009-10-26 04:56:07 +00:00
Evan Cheng
7dad155ec7 Revert 85085. It causes infinite looping during llvm-gcc build. 
llvm-svn: 85090
 2009-10-26 03:51:32 +00:00
Edward O'Callaghan
43d45b084e Fix gmake check for AuroraUX triple. 
llvm-svn: 85088
 2009-10-26 02:37:56 +00:00
Chris Lattner
192549ef70 Implement PR3266 & PR5276, folding: 
not (or (icmp, icmp)) -> and(icmp, icmp)

llvm-svn: 85085
 2009-10-26 01:06:31 +00:00
Chris Lattner
c88c01adb6 convert or.ll to filecheck and merge or2 into it. 
llvm-svn: 85083
 2009-10-25 23:47:55 +00:00
Chris Lattner
e3508acbef fix PR5295 where the .ll parser didn't reject a function after a global 
or global after a function with conflicting names.  Update some testcases
that were accidentally depending on this behavior.

llvm-svn: 85081
 2009-10-25 23:22:50 +00:00
Evan Cheng
a308ae55a5 Add a couple of ARM cross-rc coalescing tests. 
llvm-svn: 85051
 2009-10-25 08:01:41 +00:00
Evan Cheng
1c169777ca Update tests. 
llvm-svn: 85050
 2009-10-25 07:53:48 +00:00
Mikhail Glushenkov
98921da4dd Add a test for OptionPreprocessor. 
llvm-svn: 85029
 2009-10-25 01:43:50 +00:00
Dan Gohman
06621f065a Update these tests to match what Loop::print now prints. 
llvm-svn: 85021
 2009-10-24 23:52:07 +00:00
Dan Gohman
6e2d1c608b Make these tests more interesting by using 
-verify-dom-info and -verify-loop-info, which enable additional
(expensive) consistency checks.

llvm-svn: 85017
 2009-10-24 23:23:04 +00:00
Daniel Dunbar
d98eb10494 Teach macho-dump to dump UUIDs. 
llvm-svn: 85012
 2009-10-24 20:32:36 +00:00
Chris Lattner
9a1f5c9f90 fix PR5287, a serious regression from my previous patches. Thanks to 
Duncan for the nice tiny testcase.

llvm-svn: 84992
 2009-10-24 05:22:15 +00:00
Victor Hernandez
e8998896f5 Auto-upgrade free instructions to calls to the builtin free function. 
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987
 2009-10-24 04:23:03 +00:00
Dan Gohman
b15fee5666 APInt-ify the gep scaling code, so that it correctly handles the case where 
the scale overflows pointer-sized arithmetic. This fixes PR5281.

llvm-svn: 84954
 2009-10-23 17:57:43 +00:00
Dan Gohman
ad2555c9a3 Make LoopDeletion check the maximum backedge taken count, rather than the 
exact backedge taken count, when checking for infinite loops. This allows
it to delete loops with multiple exit conditions.

llvm-svn: 84952
 2009-10-23 17:10:01 +00:00
Chris Lattner
4874f5bce5 teach libanalysis to simplify vector loads with bitcast sources. This 
implements something out of Target/README.txt producing:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	LCPI1_0, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4

instead of:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	_b, %xmm0
	mulpd	LCPI1_0, %xmm0
	addpd	_a, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4

llvm-svn: 84942
 2009-10-23 06:57:37 +00:00
Chris Lattner
2ee1f0f0b5 enhance FoldReinterpretLoadFromConstPtr to handle loads of up to 32 
bytes (i256).

llvm-svn: 84941
 2009-10-23 06:50:36 +00:00
Chris Lattner
b1d2706a4c teach libanalysis to fold int and fp loads from almost arbitrary 
non-type-safe constant initializers.  This sort of thing happens
quite a bit for 4-byte loads out of string constants, unions, 
bitfields, and an interesting endianness check from sqlite, which
is something like this:

const int sqlite3one = 1;
# define SQLITE_BIGENDIAN    (*(char *)(&sqlite3one)==0)
# define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)

all of these macros now constant fold away.

This implements PR3152 and is based on a patch started by Eli, but heavily
modified and extended.

llvm-svn: 84936
 2009-10-23 06:23:49 +00:00
Evan Cheng
aa03d9926d Update tests for 84931. 
llvm-svn: 84932
 2009-10-23 05:58:34 +00:00
Bill Wendling
7d48a41864 This is passing on Darwin PPC. 
llvm-svn: 84921
 2009-10-23 01:37:01 +00:00
David Goodwin
82c1dd9754 Allow the target to select the level of anti-dependence breaking that should be performed by the post-RA scheduler. The default is none. 
llvm-svn: 84911
 2009-10-22 23:19:17 +00:00
Bob Wilson
8f4f73da55 Revert 84843. Evan, this was breaking some of the if-conversion tests. 
llvm-svn: 84868
 2009-10-22 16:52:21 +00:00
Duncan Sands
15030fc8e7 Check that accessing a struct field that occurs before the start 
of the struct (!) works correctly.

llvm-svn: 84853
 2009-10-22 12:53:25 +00:00
Duncan Sands
7672e59eb8 Test handling of record fields with negative offsets. 
llvm-svn: 84851
 2009-10-22 10:02:10 +00:00
Evan Cheng
2edd1efa46 Move if-conversion before post-regalloc scheduling so the predicated instruction get scheduled properly. 
llvm-svn: 84843
 2009-10-22 06:48:32 +00:00
Chris Lattner
ff24a8cd93 testcase for PR4678 & rdar://7309675 
llvm-svn: 84830
 2009-10-22 04:47:09 +00:00
Evan Cheng
8fdd1661fa Don't generate sbfx / ubfx with negative lsb field. Patch by David Conrad. 
llvm-svn: 84813
 2009-10-22 00:40:00 +00:00
Chris Lattner
7c507ae857 fix PR5262. 
llvm-svn: 84810
 2009-10-22 00:17:26 +00:00
Anton Korobeynikov
bbc637e96d Use special DAG-to-DAG preprocessing to allow mem-mem instructions to be selected. 
Yay for ASCII graphics!

llvm-svn: 84808
 2009-10-22 00:16:00 +00:00