Duncan Sands
5429033c03
Fix a "large integer implicitly truncated to unsigned type"
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warning.
llvm-svn: 50033
2008-04-21 07:35:28 +00:00
Chris Lattner
00cab5b9a6
don't print dominators every time it is computed with -debug.
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llvm-svn: 50032
2008-04-21 06:19:02 +00:00
Chris Lattner
d5fbc8f0af
another bug introduced in r47802 by nicholas, for no apparent reason.
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llvm-svn: 50031
2008-04-21 06:12:55 +00:00
Chris Lattner
a89143f1e0
Add an ugly note.
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llvm-svn: 50029
2008-04-21 04:46:30 +00:00
Chris Lattner
0645b88852
Add jump threading to liblto.
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llvm-svn: 50028
2008-04-21 04:31:40 +00:00
Chris Lattner
ba994f7cdf
run the jump threading pass in llvm-ld also
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llvm-svn: 50027
2008-04-21 04:28:40 +00:00
Chris Lattner
b15e1f963d
enable jump threading pass by default. This causes no miscompilations
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and can significantly shrinkify some code, particularly from C++ land.
llvm-svn: 50025
2008-04-21 04:22:09 +00:00
Chris Lattner
67bec133b2
fix a bug introduced by Nicholas' "unwinds to" stuff: we
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lost newlines between blocks.
llvm-svn: 50024
2008-04-21 04:20:33 +00:00
Chris Lattner
ad0d42ba15
don't assume that the argument passed to fprintf("%s" is a string. This
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fixes a crash in opt on 433.milc.
llvm-svn: 50023
2008-04-21 03:18:33 +00:00
Chris Lattner
f6236cc2e9
Use the new SplitBlockPredecessors to implement a todo.
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llvm-svn: 50022
2008-04-21 02:57:57 +00:00
Chris Lattner
a5b11705b6
Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h
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as a global helper function. At the same type, switch it from taking
a vector of predecessors to an arbitrary sequential input. This allows
us to switch LoopSimplify to use a SmallVector for various temporary
vectors that it passed into SplitBlockPredecessors.
llvm-svn: 50020
2008-04-21 01:28:02 +00:00
Chris Lattner
d418b06abf
Move domtree/frontier updating earlier, allowing us to use it to update phi
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nodes, removing a hack.
llvm-svn: 50019
2008-04-21 01:05:08 +00:00
Chris Lattner
96e9e22269
Factor dominator tree and frontier updating into SplitBlockPredecessors
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instead of doing it after every call.
llvm-svn: 50018
2008-04-21 00:54:38 +00:00
Chris Lattner
559c867ece
fit some more code in 80 cols.
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llvm-svn: 50016
2008-04-21 00:25:49 +00:00
Chris Lattner
aca912d793
simplify code, fit in 80 cols.
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llvm-svn: 50015
2008-04-21 00:23:14 +00:00
Chris Lattner
38806c3e9c
fit in 80 cols
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llvm-svn: 50014
2008-04-21 00:19:16 +00:00
Nicolas Geoffray
481f44e12f
Be pessimistic in computing the buffer size when aligning.
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llvm-svn: 50008
2008-04-20 23:39:44 +00:00
Nicolas Geoffray
984e7199cc
Don't forget to update the current operand when getting the size of an instruction.
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llvm-svn: 50007
2008-04-20 23:36:47 +00:00
Chris Lattner
ff1c6e388c
finish the first cut of a jump threading pass implementation.
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llvm-svn: 50006
2008-04-20 22:39:42 +00:00
Chris Lattner
567166c0a8
replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with
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a call to Instruction::isUsedOutsideOfBlock.
llvm-svn: 50005
2008-04-20 22:18:22 +00:00
Chris Lattner
8ec6e8af60
add a handy helper method to instruction, useful for determining
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whether it is used outside of some block. This can be used to see
if there are any non-local references, for example.
llvm-svn: 50004
2008-04-20 22:11:30 +00:00
Chris Lattner
9c1f1a82bf
we can only thread blocks when there is a pred we can determine the succ of.
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llvm-svn: 50003
2008-04-20 21:18:09 +00:00
Chris Lattner
2115722ffa
improve comments, infrastructure, and add some validity checks for threading.
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Add a cost function.
llvm-svn: 50002
2008-04-20 21:13:06 +00:00
Chris Lattner
b3b6007c8b
Add a new Jump Threading pass, which will handle cases
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such as those in PR2235. Right now the pass is not very
effective. :)
llvm-svn: 50000
2008-04-20 20:35:01 +00:00
Chris Lattner
912bec79ca
hopefully resolve PR2240
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llvm-svn: 49999
2008-04-20 19:59:12 +00:00
Chris Lattner
6b05605829
rearrange some code, simplify handling of shifts.
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llvm-svn: 49995
2008-04-20 18:24:14 +00:00
Dale Johannesen
aac27592f0
Check we aren't trying to convert PPC long double.
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This fixes the testsuite failure on ppcf128-4.ll.
llvm-svn: 49994
2008-04-20 18:23:46 +00:00
Nicolas Geoffray
f77618e6e8
Cosmetic changes, as suggested by Evan. No functionality changes.
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llvm-svn: 49993
2008-04-20 17:44:19 +00:00
Dale Johannesen
6145727b43
(re)fix handling of UGT. Pointed out by Nick Lewycky.
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llvm-svn: 49991
2008-04-20 16:58:57 +00:00
Torok Edwin
ab20784740
g++-4.3 build-fix: CHAR_BIT requires <climits>.
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llvm-svn: 49989
2008-04-20 08:33:11 +00:00
Nicolas Geoffray
568f9818f7
Do not hold the JIT lock when materializing a function and verify if the
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function has already been codegen'd. This is required by the Java class loading
mechanism which executes Java code when materializing a function.
llvm-svn: 49988
2008-04-20 08:33:02 +00:00
Chris Lattner
470ab00c76
A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2.
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llvm-svn: 49986
2008-04-20 05:52:46 +00:00
Chris Lattner
a124f1e219
Not all x86-64 machines have sse3 apparently.
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llvm-svn: 49985
2008-04-20 05:47:56 +00:00
Dale Johannesen
64bbdb17f5
Check that APFloat::convert is not trying to target
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ppc long double, which doesn't work.
This may break some stuff temporarily, but I want to
avoid the propagation of code that assumes this works.
llvm-svn: 49983
2008-04-20 01:34:03 +00:00
Chris Lattner
167dbe5e39
regenerate
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llvm-svn: 49978
2008-04-20 00:41:19 +00:00
Chris Lattner
3b18762f40
Switch to using Simplified ConstantFP::get API.
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llvm-svn: 49977
2008-04-20 00:41:09 +00:00
Chris Lattner
d3018e6a0e
Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles.
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llvm-svn: 49976
2008-04-20 00:26:06 +00:00
Chris Lattner
0f103e1304
free(null) -> noop
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llvm-svn: 49972
2008-04-19 22:41:32 +00:00
Chris Lattner
b839c05a05
rename *.llx -> *.ll, last batch.
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llvm-svn: 49971
2008-04-19 22:32:52 +00:00
Chris Lattner
50fb77f829
rename *.llx -> *.ll
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llvm-svn: 49970
2008-04-19 22:29:10 +00:00
Chris Lattner
fe48fbc1f1
rename *.llx -> *.ll
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llvm-svn: 49969
2008-04-19 22:26:29 +00:00
Gabor Greif
5b665498af
merge of 49966 from branches/ggreif/use-diet to trunk. these are already active API changes
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llvm-svn: 49968
2008-04-19 22:25:09 +00:00
Chris Lattner
bc26e1bb8a
Implement PR2206.
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llvm-svn: 49967
2008-04-19 22:17:26 +00:00
Chris Lattner
334d33cad1
refactor handling of symbolic constant folding, picking up
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a few new cases( see Integer/a1.ll), but not anything that
would happen in practice.
llvm-svn: 49965
2008-04-19 21:58:19 +00:00
Chris Lattner
6072ead8e2
indentation fix.
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llvm-svn: 49964
2008-04-19 21:13:00 +00:00
Chris Lattner
fe8519c818
Some clarifications suggested by Jon Sargeant
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llvm-svn: 49963
2008-04-19 21:01:16 +00:00
Chris Lattner
eb6bb803a7
Allow argpromote to promote struct arguments with a specified number
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of elements. Patch by Matthijs Kooijman!
llvm-svn: 49962
2008-04-19 19:50:01 +00:00
Evan Cheng
5102bd9359
64-bit atomic operations.
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llvm-svn: 49949
2008-04-19 02:30:38 +00:00
Evan Cheng
5e7ee0a002
Also LXCHG64 -> XCHG64rm.
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llvm-svn: 49948
2008-04-19 02:05:42 +00:00
Evan Cheng
51096affb5
PPC32 atomic operations.
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llvm-svn: 49947
2008-04-19 01:30:48 +00:00