28145edd30
Implement integer select and i1 sign extend
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llvm-svn: 20934
2005-03-29 22:24:51 +00:00
28c5ac9ff4
Implement SetCC, fix ZERO_EXTEND_INREG
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llvm-svn: 20933
2005-03-29 21:54:38 +00:00
af4d93cd39
import all of the rest of the stubs that dsa uses for direct comparison
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llvm-svn: 20932
2005-03-29 20:36:05 +00:00
91964490e2
Compare dependence analysis with llvm instructions versus machine instrutions. the problem with using machine instructions and alias analysis is that aa does not handle tmp instructions.
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llvm-svn: 20931
2005-03-29 20:35:10 +00:00
6e19b21e30
Dependence analyzer that just determines dependences within a loop for loads and stores using alias analysis.
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llvm-svn: 20930
2005-03-29 20:33:42 +00:00
4dba2ee974
learn about some more functions.
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llvm-svn: 20929
2005-03-29 20:04:24 +00:00
93d008990e
Fix up some types and constants
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llvm-svn: 20928
2005-03-29 19:24:04 +00:00
2e1971c19d
Fix a problem where we not marking incoming arguments to functions with
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external linkage as incomplete.
llvm-svn: 20927
2005-03-29 19:16:59 +00:00
db45f7d763
Fix a bug that andrew noticed where we do not correctly sign/zero extend
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returned integer values all of the way to 64-bits (we only did it to 32-bits
leaving the top bits undefined). This causes problems for targets like alpha
whose ABI's define the top bits too.
llvm-svn: 20926
2005-03-29 19:09:56 +00:00
8de8b7bf40
there is no point comparing against null pointer.
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llvm-svn: 20925
2005-03-29 17:44:52 +00:00
ca85130b0a
Fix a major problem with global variable initializers. This could cause
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us to have stuff pointing to the null pointer, which makes no sense
(the null ptr is an ssa value, not the null object)
llvm-svn: 20922
2005-03-29 17:21:53 +00:00
1ce9aacf2e
fix a warning in the optimized build
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llvm-svn: 20920
2005-03-29 15:13:27 +00:00
dd94b2d01e
add some more functions, ignore setcc for constraints!
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llvm-svn: 20917
2005-03-29 06:52:20 +00:00
ecfa9b5810
disable this transformation in the one obscure case that really pessimizes
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pointer analysis.
llvm-svn: 20916
2005-03-29 06:37:47 +00:00
2c95fac918
there is no reason to run -instcombine -instcombine!
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llvm-svn: 20915
2005-03-29 06:25:11 +00:00
7617e886c1
Handle "known" external calls context sensitively, add support for realloc
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and a couple of other functions that are important.
Handle aggregate undef values for gv initializers
llvm-svn: 20914
2005-03-29 06:09:07 +00:00
60956dd52f
Implement div, rem, and frameindex
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llvm-svn: 20907
2005-03-29 00:03:27 +00:00
731bed10c7
Pattern ISel: fix argument loading for i64s (thanks chris)
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Simple ISel: fix i64 subtract
llvm-svn: 20903
2005-03-28 23:08:54 +00:00
66acad746f
Remove fake instruction 'subc' (mnemonic for subfc).
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More pattern isel updates
llvm-svn: 20902
2005-03-28 22:28:37 +00:00
32e08b7c06
implement legalization of build_pair for nate
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llvm-svn: 20901
2005-03-28 22:03:13 +00:00
b442791124
First step in adding pcmarker intrinsic. Second step (soon) is adding backend support.
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llvm-svn: 20900
2005-03-28 20:05:49 +00:00
5bdfc63516
Implement proper loads and zero-extends of all types
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llvm-svn: 20897
2005-03-28 19:36:43 +00:00
bdbf8ba2d0
Emit .global @function and .global @object entries so the Intel ias
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assembler may be used; identify LLVM output as such.
llvm-svn: 20892
2005-03-28 15:21:43 +00:00
81b6d86a3a
Teach andersens that non-escaping memory cannot be mod/ref'd by external fn calls.
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llvm-svn: 20891
2005-03-28 06:21:17 +00:00
009585d2ac
Fix grammar
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llvm-svn: 20890
2005-03-28 04:32:12 +00:00
a8ad8b2826
Make anders-aa much more precise by not being completely pessimistic about
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external functions. Teach it about a few important ones.
llvm-svn: 20889
2005-03-28 04:03:52 +00:00
03332ecf17
Fix VC++ build breakage
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llvm-svn: 20888
2005-03-28 02:52:28 +00:00
9ead0d7b4c
Rename createPromoteMemoryToRegister() to
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createPromoteMemoryToRegisterPass() to be consistent with other pass
creation functions.
llvm-svn: 20885
2005-03-28 02:01:12 +00:00
147f8b789c
wrap some long lines
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llvm-svn: 20884
2005-03-27 22:03:46 +00:00
2db10ba297
remove ...
...
llvm-svn: 20883
2005-03-27 21:57:09 +00:00
f290da862d
speed up steens by using spliceFrom, improve its precision by realizing that
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an incomplete node cannot alias a complete node.
llvm-svn: 20882
2005-03-27 21:56:55 +00:00
ea69f1f9e8
teach andersens about undef
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llvm-svn: 20881
2005-03-27 18:58:23 +00:00
82166467c3
Don't give up completely, maybe other AA can say something about this.
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llvm-svn: 20873
2005-03-27 00:02:33 +00:00
3f08e7899f
Factor out percentage printing into its own function. Make two changes to
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the function: print more precision XX.X% instead of XX%, and cast to ULL
before scaling by 100/1000 to avoid wrap around for large numbers of queries
(such as occur for 253.perlbmk and 176.gcc)
llvm-svn: 20872
2005-03-26 23:56:33 +00:00
2ba37389c9
Cache mapping information for a call site after computing it for a mod/ref
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query. If the next mod/ref query happens to be for the same call site
(which is extremely likely), use the cache instead of recomputing the
callee/caller mapping. This makes -aa-eval ***MUCH*** faster with
ds-aa
llvm-svn: 20871
2005-03-26 23:29:03 +00:00
139f43b340
Remove more long dead code: dsa doesn't provide must alias info
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llvm-svn: 20870
2005-03-26 22:54:46 +00:00
1a02d15dab
remove some unsafe code that has long been dead
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llvm-svn: 20869
2005-03-26 22:48:42 +00:00
9cc932d3b3
slightly improve mod/ref for DSAA by checking the globals graph for fallback
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llvm-svn: 20868
2005-03-26 22:47:03 +00:00
b3baff1830
Teach steens-aa two things about mod/ref information:
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1. If memory never escapes the program, it cannot be mod/ref'd by external
functions.
2. If memory is global never mod/ref'd in the program, it cannot be mod/ref'd
by any call.
llvm-svn: 20867
2005-03-26 22:43:20 +00:00
68ee8f572c
Interchange this loop so that we test all pointers against one call site
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before moving on to the next call site. This will be a more efficient way
to compute the mod/ref set for AA implementations like DSA.
llvm-svn: 20866
2005-03-26 22:16:44 +00:00
518a994b7d
Fix that pesky floats in integer regs problem by assigning the f32 type to
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the correct register class. Also remove the loading of float data into int
regs part of varargs; it will need to be implemented differently later.
llvm-svn: 20857
2005-03-26 08:25:22 +00:00
dcad53e7bd
Get closer to having varargs working. There's still something strange
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going on with copies between floating point and integer register files
being generated. Once that is solved, varargs will be done.
llvm-svn: 20856
2005-03-26 07:46:36 +00:00
c95bf7b226
Make 64bit args and float args work correct with calls. Thanks to Chris
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for explaining EXTRACT_ELEMENT to me.
llvm-svn: 20847
2005-03-26 02:17:46 +00:00
0bea1090dd
Change LowerCallTo to take a boolean isVarArg argument. This is needed
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by the PowerPC backend, and probably others in the future.
llvm-svn: 20843
2005-03-26 01:30:30 +00:00
f656525cb6
Change interface to LowerCallTo to take a boolean isVarArg argument.
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llvm-svn: 20842
2005-03-26 01:29:23 +00:00
e70b5c79f8
Next round of pattern isel changes, mostly dealing with calls.
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llvm-svn: 20841
2005-03-26 01:28:53 +00:00
5d7610de65
Correct a documention link
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llvm-svn: 20840
2005-03-26 01:28:05 +00:00
d21e220035
no really, don't double count these nodes either!
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llvm-svn: 20837
2005-03-25 20:54:45 +00:00
b7ffd50537
Don't count all of the nodes in the SCC once for each function in the SCC.
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llvm-svn: 20836
2005-03-25 20:37:32 +00:00
5ecec08ab5
Grow the EQ classes for globals at the end of the BU pass. This shrinks
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memory usage in the TD pass for 254.gap from 31.3MB to 3.9MB.
llvm-svn: 20834
2005-03-25 16:45:43 +00:00
Nate Begeman