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43507 Commits

Author SHA1 Message Date
Chris Lattner
e90c5cb747 add "getLocation" method to AliasAnalysis for getting the source and 
destination location of a memcpy/memmove.  I'm not clear about whether
TBAA works on these, so I'm leaving it out for now.  Dan, please revisit
this when convenient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119928 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 07:51:27 +00:00
Chris Lattner
f6f1f062cc implement PR8576, deleting dead stores with intervening may-alias stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 07:34:32 +00:00
Chris Lattner
3e41106de4 add some random notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 07:05:31 +00:00
Owen Anderson
aa54524a44 Use by-name rather than by-order operand matching for some NEON encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119923 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 06:47:06 +00:00
Chris Lattner
75d8f599e7 optimize: 
void a(int x) { if (((1<<x)&8)==0) b(); }

into "x != 3", which occurs over 100 times in 403.gcc but in no
other program in llvm-test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 06:44:42 +00:00
Chris Lattner
79a980ad85 tail calls on x86 are implemented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 06:10:27 +00:00
Jim Grosbach
0eb49c57f0 BR_JTadd is ARM-only, so use the proper pseudo class to get the predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 01:26:01 +00:00
Rafael Espindola
12203cc7c3 Handle PCRel relocations with absolute values. Fixes PR8656. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 00:48:25 +00:00
Chris Lattner
2f5f90ad3e Implement PR8644: forwarding a memcpy value to a byval, 
allowing the memcpy to be eliminated.

Unfortunately, the requirements on byval's without explicit 
alignment are really weak and impossible to predict in the 
mid-level optimizer, so this doesn't kick in much with current
frontends.  The fix is to change clang to set alignment on all
byval arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119916 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 00:28:59 +00:00
Bill Wendling
5cc88a205d A few more thumb instruction MC encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119913 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 22:52:33 +00:00
Eric Christopher
827656dab4 Rewrite address handling to use a structure with all the possible address 
mode variables. Handle frame indexes in load/store and allocas again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119912 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 22:38:27 +00:00
Eric Christopher
13df1a0bac STRH only needs the additional operand, not t2STRH. Also invert conditional 
to match the one from the load emitter above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 22:01:38 +00:00
Benjamin Kramer
f601d6df6f Simplify code. No change in functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119908 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 18:43:35 +00:00
Anton Korobeynikov
0dbe54e844 Make this compile on case-sensitive file systemsw 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119905 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 16:14:57 +00:00
Anton Korobeynikov
82f58740c7 Move some more hooks to TargetFrameInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 15:59:32 +00:00
Benjamin Kramer
3ca136312a Silence Release build warnings about unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 15:53:24 +00:00
Duncan Sands
59d2dad59e On X86, MEMBARRIER, MFENCE, SFENCE, LFENCE are not target memory intrinsics, 
so don't claim they are.  They are allocated using DAG.getNode, so attempts
to access MemSDNode fields results in reading off the end of the allocated
memory.  This fixes crashes with "llc -debug" due to debug code trying to
print MemSDNode fields for these barrier nodes (since the crashes are not
deterministic, use valgrind to see this).  Add some nasty checking to try
to catch this kind of thing in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119901 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 11:25:00 +00:00
Andrew Trick
b9e6fe1e3a Removing the useless test that I added recently. It was meant as an example, but not complicated enough to merit another test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 07:26:51 +00:00
Andrew Trick
316df4bfe3 RABasic fix. Regalloc is responsible for updating block live ins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 02:57:05 +00:00
Andrew Trick
13bdbb0544 Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 02:43:55 +00:00
Bill Wendling
a09cc2b429 Add more Thumb add instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 01:18:47 +00:00
Bill Wendling
95a6d1759d Add Thumb encodings for some add instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119882 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 01:00:29 +00:00
Bill Wendling
6179c31e07 Add more encodings for Thumb instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119881 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 00:53:35 +00:00
Bill Wendling
20272a7c5a Have the getAddrMode3OpValue() function in ARMCodeEmitter.cpp produce the same 
value that the one in ARMMCCodeEmitter.cpp does.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119878 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 00:26:37 +00:00
Bill Wendling
04d14ff349 Check for _setjmp too, because it's also used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 00:03:09 +00:00
Jim Grosbach
078e239f69 Fix ARM LDR* post-indexed operand encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 23:14:43 +00:00
Bill Wendling
1228038ed9 Encodings for the compare instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119868 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 23:14:32 +00:00
Owen Anderson
b16926940e The Vm and Vn register fields must be the same for a register-register vmov. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119867 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 23:12:43 +00:00
Evan Cheng
ff96b63d6f Fix a cut-n-paste-error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119866 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 23:01:16 +00:00
Owen Anderson
68c26396c0 Document the new GVN number table structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119865 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:48:40 +00:00
Jim Grosbach
7b6ab402fe Operand names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119864 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:43:08 +00:00
Jim Grosbach
a30a51b16a trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119863 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:42:55 +00:00
Eric Christopher
b371658083 Don't need to save piecemeal now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:39:56 +00:00
Eric Christopher
2d630d7bc9 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:37:58 +00:00
Bill Wendling
0ae28e4447 Add encodings for some of the thumb ADD instructions. Tests will come once the 
asm parser can handle them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:37:33 +00:00
Eric Christopher
88de86b550 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:36:41 +00:00
Jim Grosbach
efaeb41aec Clarify operand names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:36:02 +00:00
Eric Christopher
0d58122e12 Refactor address mode handling into a single struct (ala x86), this 
should give allow a wider range of addressing modes.

No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:30:02 +00:00
Jim Grosbach
6571101cb7 Fix encoding for ARM MLS instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:22:37 +00:00
Owen Anderson
d2f4174fcc When folding addressing modes in CodeGenPrepare, attempt to look through PHI nodes 
if all the operands of the PHI are equivalent.  This allows CodeGenPrepare to undo
unprofitable PRE transforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:15:03 +00:00
Jim Grosbach
2aeb6121a1 Add ARM encoding information for STRD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119852 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:14:31 +00:00
Jim Grosbach
a1b4175b8e Shuffle things around a bit to keep like things together. Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119851 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:06:57 +00:00
Bill Wendling
ba46dc06e6 Revert accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:06:18 +00:00
Bill Wendling
a898166d38 Change long binary encodings to use hex instead. It's more readable. Also 
initialize missing bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:02:18 +00:00
Jim Grosbach
953557f445 Factor out operand encoding bits for ARM addressing mode 2 store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:35:06 +00:00
Jim Grosbach
e2d54af47f Delete another dead class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:16:08 +00:00
Jim Grosbach
fc0cb4b906 whitespace tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:14:37 +00:00
Rafael Espindola
a962b40f0b Fix a use after free. Patch by Frits van Bommel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119842 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:14:29 +00:00
Jim Grosbach
9ef65cbbc6 Refactor PICSTR* instructions to really be pseudos. Nuke dead classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:14:02 +00:00
Jim Grosbach
9558b4cdc4 Rename ARM .td class AIldst1 to AI2ldst for consistency with the other classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 21:07:51 +00:00