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Chris Lattner [Mon, 21 Apr 2008 18:25:01 +0000 (18:25 +0000)]
fix grammar-o, thanks to Duncan for noticing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50047
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Duncan Sands [Mon, 21 Apr 2008 08:17:05 +0000 (08:17 +0000)]
Make these structs larger to ensure that they
are returned by struct return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50038
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Duncan Sands [Mon, 21 Apr 2008 08:12:03 +0000 (08:12 +0000)]
Make the struct bigger, to ensure it is returned
by struct return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50037
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Owen Anderson [Mon, 21 Apr 2008 07:51:07 +0000 (07:51 +0000)]
Use GVN in LTO instead of GCSE+LoadVN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50036
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Owen Anderson [Mon, 21 Apr 2008 07:47:38 +0000 (07:47 +0000)]
Remove unneeded #include's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50035
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Owen Anderson [Mon, 21 Apr 2008 07:45:10 +0000 (07:45 +0000)]
Refactor memcpyopt based on Chris' suggestions. Consolidate several functions
and simplify code that was fallout from the separation of memcpyopt and gvn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50034
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Duncan Sands [Mon, 21 Apr 2008 07:35:28 +0000 (07:35 +0000)]
Fix a "large integer implicitly truncated to unsigned type"
warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50033
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Chris Lattner [Mon, 21 Apr 2008 06:19:02 +0000 (06:19 +0000)]
don't print dominators every time it is computed with -debug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50032
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Chris Lattner [Mon, 21 Apr 2008 06:12:55 +0000 (06:12 +0000)]
another bug introduced in r47802 by nicholas, for no apparent reason.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50031
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Chris Lattner [Mon, 21 Apr 2008 04:46:30 +0000 (04:46 +0000)]
Add an ugly note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50029
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Chris Lattner [Mon, 21 Apr 2008 04:31:40 +0000 (04:31 +0000)]
Add jump threading to liblto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50028
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Chris Lattner [Mon, 21 Apr 2008 04:28:40 +0000 (04:28 +0000)]
run the jump threading pass in llvm-ld also
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50027
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Chris Lattner [Mon, 21 Apr 2008 04:22:09 +0000 (04:22 +0000)]
enable jump threading pass by default. This causes no miscompilations
and can significantly shrinkify some code, particularly from C++ land.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50025
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Chris Lattner [Mon, 21 Apr 2008 04:20:33 +0000 (04:20 +0000)]
fix a bug introduced by Nicholas' "unwinds to" stuff: we
lost newlines between blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50024
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Chris Lattner [Mon, 21 Apr 2008 03:18:33 +0000 (03:18 +0000)]
don't assume that the argument passed to fprintf("%s" is a string. This
fixes a crash in opt on 433.milc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50023
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Chris Lattner [Mon, 21 Apr 2008 02:57:57 +0000 (02:57 +0000)]
Use the new SplitBlockPredecessors to implement a todo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50022
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Chris Lattner [Mon, 21 Apr 2008 01:28:02 +0000 (01:28 +0000)]
Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50020
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Chris Lattner [Mon, 21 Apr 2008 01:05:08 +0000 (01:05 +0000)]
Move domtree/frontier updating earlier, allowing us to use it to update phi
nodes, removing a hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50019
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Chris Lattner [Mon, 21 Apr 2008 00:54:38 +0000 (00:54 +0000)]
Factor dominator tree and frontier updating into SplitBlockPredecessors
instead of doing it after every call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50018
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Chris Lattner [Mon, 21 Apr 2008 00:25:49 +0000 (00:25 +0000)]
fit some more code in 80 cols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50016
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Chris Lattner [Mon, 21 Apr 2008 00:23:14 +0000 (00:23 +0000)]
simplify code, fit in 80 cols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50015
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Chris Lattner [Mon, 21 Apr 2008 00:19:16 +0000 (00:19 +0000)]
fit in 80 cols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50014
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Nicolas Geoffray [Sun, 20 Apr 2008 23:39:44 +0000 (23:39 +0000)]
Be pessimistic in computing the buffer size when aligning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50008
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Nicolas Geoffray [Sun, 20 Apr 2008 23:36:47 +0000 (23:36 +0000)]
Don't forget to update the current operand when getting the size of an instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50007
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Chris Lattner [Sun, 20 Apr 2008 22:39:42 +0000 (22:39 +0000)]
finish the first cut of a jump threading pass implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50006
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Chris Lattner [Sun, 20 Apr 2008 22:18:22 +0000 (22:18 +0000)]
replace a slow and verbose version of Instruction::isUsedOutsideOfBlock with
a call to Instruction::isUsedOutsideOfBlock.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50005
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Chris Lattner [Sun, 20 Apr 2008 22:11:30 +0000 (22:11 +0000)]
add a handy helper method to instruction, useful for determining
whether it is used outside of some block. This can be used to see
if there are any non-local references, for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50004
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Chris Lattner [Sun, 20 Apr 2008 21:18:09 +0000 (21:18 +0000)]
we can only thread blocks when there is a pred we can determine the succ of.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50003
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Chris Lattner [Sun, 20 Apr 2008 21:13:06 +0000 (21:13 +0000)]
improve comments, infrastructure, and add some validity checks for threading.
Add a cost function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50002
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Chris Lattner [Sun, 20 Apr 2008 20:35:01 +0000 (20:35 +0000)]
Add a new Jump Threading pass, which will handle cases
such as those in PR2235. Right now the pass is not very
effective. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50000
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Chris Lattner [Sun, 20 Apr 2008 19:59:12 +0000 (19:59 +0000)]
hopefully resolve PR2240
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49999
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Chris Lattner [Sun, 20 Apr 2008 18:24:14 +0000 (18:24 +0000)]
rearrange some code, simplify handling of shifts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49995
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Dale Johannesen [Sun, 20 Apr 2008 18:23:46 +0000 (18:23 +0000)]
Check we aren't trying to convert PPC long double.
This fixes the testsuite failure on ppcf128-4.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49994
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Nicolas Geoffray [Sun, 20 Apr 2008 17:44:19 +0000 (17:44 +0000)]
Cosmetic changes, as suggested by Evan. No functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49993
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Dale Johannesen [Sun, 20 Apr 2008 16:58:57 +0000 (16:58 +0000)]
(re)fix handling of UGT. Pointed out by Nick Lewycky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49991
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Torok Edwin [Sun, 20 Apr 2008 08:33:11 +0000 (08:33 +0000)]
g++-4.3 build-fix: CHAR_BIT requires <climits>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49989
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Nicolas Geoffray [Sun, 20 Apr 2008 08:33:02 +0000 (08:33 +0000)]
Do not hold the JIT lock when materializing a function and verify if the
function has already been codegen'd. This is required by the Java class loading
mechanism which executes Java code when materializing a function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49988
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Chris Lattner [Sun, 20 Apr 2008 05:52:46 +0000 (05:52 +0000)]
A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49986
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Chris Lattner [Sun, 20 Apr 2008 05:47:56 +0000 (05:47 +0000)]
Not all x86-64 machines have sse3 apparently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49985
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Dale Johannesen [Sun, 20 Apr 2008 01:34:03 +0000 (01:34 +0000)]
Check that APFloat::convert is not trying to target
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49983
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Chris Lattner [Sun, 20 Apr 2008 00:41:19 +0000 (00:41 +0000)]
regenerate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49978
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Chris Lattner [Sun, 20 Apr 2008 00:41:09 +0000 (00:41 +0000)]
Switch to using Simplified ConstantFP::get API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49977
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Chris Lattner [Sun, 20 Apr 2008 00:26:06 +0000 (00:26 +0000)]
Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49976
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Chris Lattner [Sat, 19 Apr 2008 22:41:32 +0000 (22:41 +0000)]
free(null) -> noop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49972
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Chris Lattner [Sat, 19 Apr 2008 22:32:52 +0000 (22:32 +0000)]
rename *.llx -> *.ll, last batch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49971
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Chris Lattner [Sat, 19 Apr 2008 22:29:10 +0000 (22:29 +0000)]
rename *.llx -> *.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49970
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Chris Lattner [Sat, 19 Apr 2008 22:26:29 +0000 (22:26 +0000)]
rename *.llx -> *.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49969
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Gabor Greif [Sat, 19 Apr 2008 22:25:09 +0000 (22:25 +0000)]
Merge ... 49966 from branches/ggreif/use-diet to trunk. these are already active API changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49968
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Chris Lattner [Sat, 19 Apr 2008 22:17:26 +0000 (22:17 +0000)]
Implement PR2206.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49967
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Chris Lattner [Sat, 19 Apr 2008 21:58:19 +0000 (21:58 +0000)]
refactor handling of symbolic constant folding, picking up
a few new cases( see Integer/a1.ll), but not anything that
would happen in practice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49965
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Chris Lattner [Sat, 19 Apr 2008 21:13:00 +0000 (21:13 +0000)]
indentation fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49964
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Chris Lattner [Sat, 19 Apr 2008 21:01:16 +0000 (21:01 +0000)]
Some clarifications suggested by Jon Sargeant
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49963
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Chris Lattner [Sat, 19 Apr 2008 19:50:01 +0000 (19:50 +0000)]
Allow argpromote to promote struct arguments with a specified number
of elements. Patch by Matthijs Kooijman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49962
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Evan Cheng [Sat, 19 Apr 2008 02:30:38 +0000 (02:30 +0000)]
64-bit atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49949
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Evan Cheng [Sat, 19 Apr 2008 02:05:42 +0000 (02:05 +0000)]
Also LXCHG64 -> XCHG64rm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49948
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Evan Cheng [Sat, 19 Apr 2008 01:30:48 +0000 (01:30 +0000)]
PPC32 atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49947
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Evan Cheng [Sat, 19 Apr 2008 01:20:30 +0000 (01:20 +0000)]
xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49946
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Dan Gohman [Sat, 19 Apr 2008 00:24:39 +0000 (00:24 +0000)]
Teach llvm-as to accept function types with multiple return types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49945
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Dale Johannesen [Fri, 18 Apr 2008 21:38:31 +0000 (21:38 +0000)]
Fix a scalar evolution bug. Reversing everything
does not work because of 0; 2>0 but -2U is also >0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49928
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Nicolas Geoffray [Fri, 18 Apr 2008 20:59:31 +0000 (20:59 +0000)]
Enable jitting with a known memory size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49924
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Duncan Sands [Fri, 18 Apr 2008 20:56:03 +0000 (20:56 +0000)]
Implement a bit more softfloat support in
LegalizeTypes. Correct the load logic so
that it actually works, and also teach it
to handle floating point extending loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49923
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Dan Gohman [Fri, 18 Apr 2008 20:55:41 +0000 (20:55 +0000)]
Fix the handling of va_copy on x86-64. As of llvm-gcc r49920
llvm-gcc is now lowering va_copy on x86-64, so this completes
the fix for PR2230.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49922
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Evan Cheng [Fri, 18 Apr 2008 20:55:36 +0000 (20:55 +0000)]
- Fix atomic operation JIT encoding.
- Remove unused instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49921
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Duncan Sands [Fri, 18 Apr 2008 20:27:12 +0000 (20:27 +0000)]
Add some more FIXME's for indexed loads and stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49916
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Duncan Sands [Fri, 18 Apr 2008 20:25:14 +0000 (20:25 +0000)]
Provide an explicit list of operands to MakeLibcall,
rather than having it suck them out of a node. Add
a bunch of new libcalls, and remove dead softfloat
code (dead, because FloatToInt is used not Expand
in this case). Note that indexed stores probably
aren't handled properly, likewise for loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49915
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Evan Cheng [Fri, 18 Apr 2008 19:25:26 +0000 (19:25 +0000)]
Correct comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49913
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Evan Cheng [Fri, 18 Apr 2008 19:22:23 +0000 (19:22 +0000)]
Not safe to "kill" a register if its live range extends pass the end of block branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49911
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Evan Cheng [Thu, 17 Apr 2008 23:35:10 +0000 (23:35 +0000)]
Also support Intel asm syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49878
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Dan Gohman [Thu, 17 Apr 2008 23:02:12 +0000 (23:02 +0000)]
Remove the implicit conversion from SDOperandPtr to SDOperand*; this
may fix a build error on Visual Studio.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49876
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Evan Cheng [Thu, 17 Apr 2008 21:26:35 +0000 (21:26 +0000)]
Fix assembly code for atomic operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49869
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Argyrios Kyrtzidis [Thu, 17 Apr 2008 13:56:31 +0000 (13:56 +0000)]
Bring in uint32_t, uint64_t, and int64_t types for MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49854
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Duncan Sands [Thu, 17 Apr 2008 12:03:38 +0000 (12:03 +0000)]
Run SimplifyLibCalls near the beginning, not at
the end. It is now run at the same moment as in
llvm-gcc. Also, run StripDeadPrototypes at the
end, just before running DeadTypeElimination.
This may be useful when doing LTO. Note that
llvm-gcc runs StripDeadPrototypes but not
DeadTypeElimination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49848
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Roman Levenstein [Thu, 17 Apr 2008 09:29:48 +0000 (09:29 +0000)]
Minor clean-up based on Dan's comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49844
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Evan Cheng [Thu, 17 Apr 2008 07:58:04 +0000 (07:58 +0000)]
Be more careful with insert_subreg and extract_subreg where either source or destination operand has already been coalesced with another register that's defined by a insert_subreg or extract_subreg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49843
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Owen Anderson [Thu, 17 Apr 2008 05:36:50 +0000 (05:36 +0000)]
Make GVN able to remove unnecessary calls to read-only functions again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49842
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Bill Wendling [Thu, 17 Apr 2008 05:20:39 +0000 (05:20 +0000)]
Use correct name for method in comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49841
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Dan Gohman [Thu, 17 Apr 2008 02:09:26 +0000 (02:09 +0000)]
Correct the SrcValue information in the Expand code for va_copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49839
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Scott Michel [Thu, 17 Apr 2008 01:30:44 +0000 (01:30 +0000)]
Remove unused variable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49838
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Evan Cheng [Thu, 17 Apr 2008 00:06:42 +0000 (00:06 +0000)]
Fix a sub-register indice propagation bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49832
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Scott Michel [Wed, 16 Apr 2008 23:46:39 +0000 (23:46 +0000)]
Workaround for PR2207, in which pred_iterator assert gets triggered due to a
wee problem in Xcode 2.[45]/gcc 4.0.1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49831
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Evan Cheng [Wed, 16 Apr 2008 23:44:44 +0000 (23:44 +0000)]
Don't forget about sub-register indices when rematting instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49830
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Dale Johannesen [Wed, 16 Apr 2008 22:24:33 +0000 (22:24 +0000)]
Unbreak build on x86-64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49822
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Dan Gohman [Wed, 16 Apr 2008 21:57:29 +0000 (21:57 +0000)]
Fix a copy+paste error in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49820
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Nicolas Geoffray [Wed, 16 Apr 2008 20:46:05 +0000 (20:46 +0000)]
Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function
the stub will resolve.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49814
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Eric Christopher [Wed, 16 Apr 2008 20:45:31 +0000 (20:45 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49813
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Evan Cheng [Wed, 16 Apr 2008 20:24:25 +0000 (20:24 +0000)]
After reading memory that's already freed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49810
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Nicolas Geoffray [Wed, 16 Apr 2008 20:10:13 +0000 (20:10 +0000)]
Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49809
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Evan Cheng [Wed, 16 Apr 2008 19:03:02 +0000 (19:03 +0000)]
Initialize X863DNowLevel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49808
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Evan Cheng [Wed, 16 Apr 2008 18:48:43 +0000 (18:48 +0000)]
Fix PR2226. Avoid using uninitialized variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49807
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Bill Wendling [Wed, 16 Apr 2008 18:27:02 +0000 (18:27 +0000)]
Add "empty()" method to sys::Path and remove unnecessary whitespace.
Patch by Mikhail Glushenkov!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49803
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Evan Cheng [Wed, 16 Apr 2008 18:21:55 +0000 (18:21 +0000)]
Really test what's intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49802
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Evan Cheng [Wed, 16 Apr 2008 18:01:08 +0000 (18:01 +0000)]
Empty basic block should have an empty range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49800
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Dale Johannesen [Wed, 16 Apr 2008 17:31:41 +0000 (17:31 +0000)]
Don't read off end of the input array.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49799
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Roman Levenstein [Wed, 16 Apr 2008 16:15:27 +0000 (16:15 +0000)]
Ongoing work on improving the instruction selection infrastructure:
Rename SDOperandImpl back to SDOperand.
Introduce the SDUse class that represents a use of the SDNode referred by
an SDOperand. Now it is more similar to Use/Value classes.
Patch is approved by Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49795
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Dan Gohman [Wed, 16 Apr 2008 15:56:26 +0000 (15:56 +0000)]
Fix a memory leak in llc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49793
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Gabor Greif [Wed, 16 Apr 2008 11:43:47 +0000 (11:43 +0000)]
Merge ... r49785 (from branches/ggreif/use-diet): pass V to dyn_cast by const reference, this avoids copy-constructing and destructing all the time. especially important if these constructors are not accessible
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49787
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Evan Cheng [Wed, 16 Apr 2008 09:46:40 +0000 (09:46 +0000)]
Rewrite LiveVariable liveness computation. The new implementation is much simplified. It eliminated the nasty recursive routines and removed the partial def / use bookkeeping. There is also potential for performance improvement by replacing the conservative handling of partial physical register definitions. The code is currently disabled until live interval analysis is taught of the name scheme.
This patch also fixed a couple of nasty corner cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49784
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Evan Cheng [Wed, 16 Apr 2008 09:41:59 +0000 (09:41 +0000)]
Code clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49783
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Owen Anderson [Wed, 16 Apr 2008 04:25:42 +0000 (04:25 +0000)]
XFAIL this test for the moment. The real solution is to prevent ADCE
from transforming loops and adding a separate loop pass for removing
loops with know trip counts. Until that happens, ADCE is miscompiling this code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49769
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Owen Anderson [Wed, 16 Apr 2008 04:21:16 +0000 (04:21 +0000)]
Major repairs to the post-dominators implementation. Patch from Florian Brandner!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49768
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