Daniel Dunbar
e317bcc74c
Fix -Asserts warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 10:29:55 +00:00
Chris Lattner
103289e938
convert LoopInfo.h and GraphWriter.h to use raw_ostream
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 07:19:13 +00:00
Chris Lattner
4437ae213d
eliminate uses of cerr()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 07:05:07 +00:00
Chris Lattner
bbbfa99d3d
remove a few DOUTs here and there.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79832 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 06:35:02 +00:00
Chris Lattner
45cfe545ec
Change Pass::print to take a raw ostream instead of std::ostream,
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update all code that this affects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79830 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 06:03:38 +00:00
Chris Lattner
791102fb11
eliminate the std::ostream form of WriteAsOperand and update clients.
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This also updates dominator related stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79825 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 05:17:37 +00:00
Chris Lattner
79c5d3f971
remove the std::ostream version of module and type printing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 04:52:46 +00:00
Chris Lattner
bdff548e4d
eliminate the "Value" printing methods that print to a std::ostream.
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This required converting a bunch of stuff off DOUT and other cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23 04:37:46 +00:00
Dan Gohman
5078f84c82
Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrap
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and hasNoSignedWrap, for consistency with the nuw and nsw properties.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79539 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-20 17:11:38 +00:00
Dan Gohman
5e9bb73de6
Fix a few places to check if TargetData is available before using it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79493 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 23:38:22 +00:00
Dan Gohman
e4af1cf402
Make SROA and PredicateSimplifier cope if TargetData is not
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available. This is very conservative for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79442 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 18:22:18 +00:00
Dan Gohman
8255573835
Use hasDefinitiveInitializer() instead of testing the same thing
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by hand, and fix a few places that were using hasInitializer() that
appear to depend on the initializer value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 18:20:44 +00:00
Nick Lewycky
08368ce984
Fix up PHI nodes correctly in the presence of unreachable BBs, part two. Also
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delete a newed pointer, and improve readability a little bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79411 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 07:16:57 +00:00
Nick Lewycky
3417e8f185
Be more careful when modifying PHI nodes. Patch by Andre Tavares.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79407 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 06:24:33 +00:00
Dan Gohman
107f41fad5
Fix SimplifyLibcalls and ValueTracking to check mayBeOverridden
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before performing optimizations based on constant string values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79384 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19 00:11:12 +00:00
Dan Gohman
6874a2ae03
Fix a bug that caused globalopt to miscompile tramp3d: don't miss
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unruly indices for arrays that are members of structs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79337 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18 14:58:19 +00:00
Dan Gohman
8942f9bb9f
Make TargetData optional in MemCpyOptimizer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79306 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18 01:17:52 +00:00
Dan Gohman
f14d919742
Make TargetData optional in SimplifyLibCalls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79298 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18 00:48:13 +00:00
Anton Korobeynikov
e55db74152
The attached patches attempt to fix cross builds. For example, if you
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try to use i686-darwin to build for arm-eabi, you'll quickly run into
several false assumptions that the target OS must be the same as the
host OS. These patches split $(OS) into $(HOST_OS) and $(TARGET_OS) to
help builds like "make check" and the test-suite able to cross
compile. Along the way a target of *-unknown-eabi is defined as
"Freestanding" so that TARGET_OS checks have something to work with.
Patch by Sandeep Patel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79296 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18 00:40:33 +00:00
Dan Gohman
d802f7e290
Update comments to new-style syntax.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 18:45:31 +00:00
Nick Lewycky
a10e89f372
Don't crash on critical edge. Patch by Andre Tavares.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 17:00:57 +00:00
Dan Gohman
8732577230
Fix debug output to include a newline after printing a Value, now
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that Value's operator<< doesn't include one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79240 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 15:25:05 +00:00
Duncan Sands
fa6a1cf1ed
Don't access the first element of a potentially empty
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vector (&Formals[0]). With this change llvm-gcc builds
with expensive checking enabled for C, C++ and Fortran.
While there, change a std::vector into a SmallVector.
This is partly gratuitous, but mostly because not all
STL vector implementations define the data method (and
it should be faster).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79237 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 14:33:27 +00:00
Nick Lewycky
d3aa25e2a8
Don't crash trying to promote VLAs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17 05:37:31 +00:00
Eli Friedman
12bb766ae9
Fix for PR3016: detect the tricky case, where there are
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unfoldable references to a PHI node in the block being folded, and disable
the transformation in that case. The correct transformation of such PHI
nodes depends on whether BB dominates Succ, and dominance is expensive
to compute here. (Alternatively, it's possible to check whether any
uses are live, but that's also essentially a dominance calculation.
Another alternative is to use reg2mem, but it probably isn't a good idea to
use that in simplifycfg.)
Also, remove some incorrect code from CanPropagatePredecessorsForPHIs
which is made unnecessary with this patch: it didn't consider the case
where a PHI node in BB has multiple uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16 04:23:49 +00:00
Benjamin Kramer
a130a511f4
Don't try to get the context from an erased Instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79134 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15 21:07:49 +00:00
Nick Lewycky
071d84e109
SSI construction should just go ahead and ignore instructions in unreachable
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blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79132 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15 20:12:18 +00:00
Dan Gohman
7eb28f3786
Make TargetData optional in GlobalOpt and ArgumentPromotion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14 00:11:03 +00:00
Owen Anderson
0e275dc538
Actually privatize a IntegerTypes, and fix a few bugs exposed by this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78955 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 23:27:32 +00:00
Owen Anderson
1d0be15f89
Push LLVMContexts through the IntegerType APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 21:58:54 +00:00
Mon P Wang
7c4efa6808
When InstCombine simplifies a load -> extract element to gep -> load, place
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the new load by the old load instead of by the extract element because
a store could have occurred between the load and extract element.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78891 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 05:12:13 +00:00
Andreas Bolka
62728dc14d
Simplify conditional.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 03:05:20 +00:00
Andreas Bolka
ec40eb411a
Simplify and reduce indentation using early exits.
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No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 03:00:57 +00:00
Andreas Bolka
52e539cbb8
DEBUGify some DOUTs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78887 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 02:45:03 +00:00
Andreas Bolka
f1f2dc2457
Prune trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78886 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 02:40:50 +00:00
Dan Gohman
9ca9daad21
Transform -X/C to X/-C, implementing a README.txt entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78812 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:37:02 +00:00
Dan Gohman
fa94b948d9
Optimize (x/C)*C to x if the division is exact.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:33:09 +00:00
Dan Gohman
2df6e6467f
Update instcombine's debug output to account for Value*'s operator<<
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not appending its own newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78810 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:28:31 +00:00
Dan Gohman
4ae5126d04
Remove a bunch more now-unnecessary Context arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:23:25 +00:00
Dan Gohman
186a636b68
Eliminate a bunch of now unnecessary explicit Context variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78808 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 16:04:34 +00:00
Owen Anderson
23b9b19b1a
Add contexts to some of the MVT APIs. No functionality change yet, just the infrastructure work needed to get the contexts to where they need to be first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12 00:36:31 +00:00
Dan Gohman
1bdf5dc835
Optimize exact sdiv by a constant power of 2 to ashr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78714 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 20:47:47 +00:00
Dan Gohman
1b2d0b8397
Remove unnecessary casts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78664 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 15:15:10 +00:00
Devang Patel
9d3627ea27
Remove dead metadata.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78651 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 06:31:57 +00:00
Owen Anderson
e50ed30282
Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10 22:56:29 +00:00
Daniel Dunbar
caaa49336b
More ProfileInfo improvements.
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- Part of optimal static profiling patch sequence by Andreas Neustifter.
- Store edge, block, and function information separately for each functions
(instead of in one giant map).
- Return frequencies as double instead of int, and use a sentinel value for
missing information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78477 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08 17:43:09 +00:00
Devang Patel
b7f40c1a2a
Fix dom frontier update. This fixes PR4667.
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Patch by Jakub Staszak.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78388 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07 17:16:44 +00:00
Dan Gohman
7db949df78
Fix a bunch of namespace pollution.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07 01:32:21 +00:00
Devang Patel
734068a90f
Use DebugInfoFinder.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06 20:53:06 +00:00
Owen Anderson
d7f2a6cb3f
Privatize the StructType table, which unfortunately involves routing contexts through a number of APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-05 23:16:16 +00:00
Dan Gohman
3fe14bf153
Check for !isa<Constant> instead of isa<Instruction>. This
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matches what the comment says, and it avoids spurious BitCast
instructions for Argument values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04 23:23:56 +00:00
Dan Gohman
43ee5f7c08
Add a new Constant::getIntegerValue helper function, and convert a
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few places in InstCombine to use it, to fix problems handling pointer
types. This fixes the recent llvm-gcc bootstrap error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78005 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03 22:07:33 +00:00
Eli Friedman
cdc0654b3e
Make SimplifyDemandedUseBits generate vector constants where
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appropriate. Patch per report on llvmdev. No testcase because the
original report didn't come with a testcase, and I can't come up with a case
that actually fails.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77986 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03 19:15:42 +00:00
Owen Anderson
a7235ea724
Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are
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metadata related, which I'm waiting on to avoid conflicting with Devang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 20:28:14 +00:00
Dan Gohman
2a29899d74
Fix GVN's debug output, now that operator<< on Value* doesn't print
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a trailing newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77719 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 20:24:18 +00:00
Bill Wendling
84a832f927
- Convert the rest of the DOUTs to DEBUG+errs().
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- One formatting change.
No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77717 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 19:52:24 +00:00
Eli Friedman
d21e55abce
PR4662: Fix a crash introduced by the recent LLVMContext changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77716 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 19:36:47 +00:00
Owen Anderson
5defacc6e6
Move getTrue() and getFalse() to 2.5-like APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77685 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-31 17:39:07 +00:00
Owen Anderson
9e9a0d5fc2
Move more code back to 2.5 APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 23:03:37 +00:00
Daniel Dunbar
fe09b2098a
Twines: Don't allow implicit conversion from integers, this is too tricky.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77605 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 17:37:43 +00:00
Daniel Dunbar
7f93dc8345
Switch obvious clients to Twine instead of utostr (when they were already using
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a Twine, e.g., for names).
- I am a little ambivalent about this; we don't want the string conversion of
utostr, but using overload '+' mixed with string and integer arguments is
sketchy. On the other hand, this particular usage is something of an idiom.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 04:20:37 +00:00
Douglas Gregor
f485b3bbab
Eliminate a few unused-variable warnings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77519 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 22:41:10 +00:00
Owen Anderson
debcb01b0f
Move types back to the 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 22:17:13 +00:00
Daniel Dunbar
473955f439
Fix PR4645 which was fallout from the fix for PR4641.
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- Call RAUW to delete all instructions (this is a patch from Nick Lewycky).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77512 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 22:00:43 +00:00
Benjamin Kramer
6c1e983a17
Remove now unused Context variables.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 19:14:17 +00:00
Owen Anderson
baf3c40440
Move ConstantExpr to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77494 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 18:55:55 +00:00
Nick Lewycky
0efa921736
Bulk erasing instructions without RAUWing them is unsafe. Instead, break them
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into a new BB that has no predecessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77433 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 05:17:50 +00:00
Devang Patel
0a9f7b9c3e
Rename MDNode.h header. It defines MDnode and other metadata classes.
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New name is Metadata.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77370 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 21:49:47 +00:00
Owen Anderson
af7ec97587
Return ConstantVector to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 21:19:26 +00:00
Owen Anderson
1fd7096407
Change ConstantArray to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 18:32:17 +00:00
Dan Gohman
d6aa02de10
Teach instcombine to respect and preserve inbounds. Add inbounds
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to a few tests where it is required for the expected transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77290 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 01:40:03 +00:00
Mike Stump
eb045ecba0
Fix a small little typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 01:35:34 +00:00
Dan Gohman
04d5544034
Replace dyn_castGetElementPtr with dyn_cast<GEPOperator>.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 00:37:50 +00:00
Dan Gohman
a195b7ffd6
Grab the LLVMContext and parent Module of SI ahead of the
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point where SI can get deleted. This fixes a use of free'd memory.
This fixes Externals/Povray.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-28 00:37:06 +00:00
Mike Stump
66ad89ceba
Fix a release-asserts warning. Debug functions should be marked used,
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if there are no other uses. If people don't need this routine
anymore, if should be deleted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 23:33:34 +00:00
Mike Stump
02efa786d4
Avoid build warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 23:14:11 +00:00
Owen Anderson
8fa3338ed2
Move ConstantStruct back to 2.5 API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 22:29:26 +00:00
Owen Anderson
6f83c9c6ef
Move ConstantFP construction back to the 2.5-ish API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77247 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 20:59:43 +00:00
Devang Patel
41d89c2572
Do not seed mstadata into the value map.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77208 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-27 17:17:04 +00:00
Daniel Dunbar
460f656475
Remove Value::getName{Start,End}, the last of the old Name APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77152 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 09:48:23 +00:00
Daniel Dunbar
f0443c1eb4
Remove Value::getNameLen
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77148 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 08:34:35 +00:00
Daniel Dunbar
93b67e40de
Eliminate some uses of DOUT, cerr, and getNameStart().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77145 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 07:49:05 +00:00
Daniel Dunbar
03d7651c36
Remove Value::{isName, getNameRef}.
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Also, change MDString to use a StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 23:55:21 +00:00
Daniel Dunbar
6e0d1cb309
Initial update to VMCore to use Twines for string arguments.
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- The only meat here is in Value.{h,cpp} the rest is essential 'const
std::string &' -> 'const Twine &'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77048 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 04:41:11 +00:00
Eric Christopher
a66297af30
Fix 80-col violations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77045 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 02:45:27 +00:00
Eric Christopher
a3500da559
Move ExtractElementInst to ::Create instead of new. Update all uses.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77044 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 02:28:41 +00:00
Dan Gohman
fd87a544c0
Convert a few more things to use raw_ostream.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77039 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 01:43:01 +00:00
Dan Gohman
6c1980b335
Convert a few more uses of llvm/Support/Streams.h to raw_ostream.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 01:13:51 +00:00
Dan Gohman
fc2a3ed0c9
Make AliasAnalysis and related classes use
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getAnalysisIfAvailable<TargetData>().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77028 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 00:48:42 +00:00
Daniel Dunbar
ce63ffb52f
More migration to raw_ostream, the water has dried up around the iostream hole.
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- Some clients which used DOUT have moved to DEBUG. We are deprecating the
"magic" DOUT behavior which avoided calling printing functions when the
statement was disabled. In addition to being unnecessary magic, it had the
downside of leaving code in -Asserts builds, and of hiding potentially
unnecessary computations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 00:23:56 +00:00
Owen Anderson
eed707b1e6
Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 23:12:02 +00:00
Dan Gohman
67efc56b80
AliasAnalysis wants sizes in address-units, not bits.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 23:01:30 +00:00
Dan Gohman
731b5d97be
Fix this condition I accidentally inverted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 18:31:07 +00:00
Dan Gohman
02a436c48e
Convert several more passes to use getAnalysisIfAvailable<TargetData>()
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instead of getAnalysis<TargetData>().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76982 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 18:13:53 +00:00
Daniel Dunbar
1cd1d98232
Move more to raw_ostream, provide support for writing MachineBasicBlock,
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LiveInterval, etc to raw_ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76965 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 10:36:58 +00:00
Daniel Dunbar
f6ccee5a9d
Switch to getNameStr().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 08:24:36 +00:00
Daniel Dunbar
6316fbcb04
Convert StringMap to using StringRef for its APIs.
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- Yay for '-'s and simplifications!
- I kept StringMap::GetOrCreateValue for compatibility purposes, this can
eventually go away. Likewise the StringMapEntry Create functions still follow
the old style.
- NIFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23 18:17:34 +00:00
Chris Lattner
5414cc5d6d
refactor a blob of code out to a new 'FoldOrOfFCmps' function and
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simplify it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23 05:46:22 +00:00
Chris Lattner
f98d253bc5
Make some existing optimizations that would only trigger on scalars
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also apply to vectors. This allows us to compile this:
#include <emmintrin.h>
__m128i a(__m128 a, __m128 b) { return a==a & b==b; }
__m128i b(__m128 a, __m128 b) { return a!=a | b!=b; }
to:
_a:
cmpordps %xmm1, %xmm0
ret
_b:
cmpunordps %xmm1, %xmm0
ret
with clang instead of to a ton of horrible code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23 05:32:17 +00:00
Chris Lattner
42d1be0c63
refactor a bunch of code out into a helper function,
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no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-23 05:14:02 +00:00
Daniel Dunbar
dfd3b64783
Remove unnecessary store to temporary std::string.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 20:46:46 +00:00
Eli Friedman
6dae757a07
Don't give a massive inlining cost bonus to available_externally
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functions with a single use; eliminating the single use may eliminate
the function from the current module, but usually doesn't eliminate
it from the final program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76730 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 08:12:59 +00:00
Owen Anderson
e922c02019
Get rid of the Pass+Context magic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:24:57 +00:00
Dan Gohman
ce9fe9fae5
Convert instcombine from using using getAnalysis<TargetData> to
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getAnalysisIfAvailable<TargetData>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76676 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 23:21:54 +00:00
Owen Anderson
b3056faa55
Rename getConstantInt{True|False} to get{True|False} at Chris' behest.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76598 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 18:03:38 +00:00
Ted Kremenek
c55db82cd0
Update CMake files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 17:43:20 +00:00
Owen Anderson
f53c371983
Move a bit more state over to the LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76533 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 02:47:59 +00:00
Chris Lattner
8850b36d0f
use ExpandInlineAsm on TargetLowering instead of TargetAsmInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76442 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:52:52 +00:00
Dan Gohman
f241174421
Revert the addition of hasNoPointerOverflow to GEPOperator.
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Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.
Remove a few optimizations that depended on this flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:43:30 +00:00
Chris Lattner
401e10c4fb
implement a new magic global "llvm.compiler.used" which is like llvm.used, but
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doesn't cause ".no_dead_strip" to be emitted on darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 06:14:25 +00:00
Bill Wendling
3d10a5a757
Add plumbing for the `linker_private' linkage type. This type is meant for
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"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.
This is plumbing, so we don't have a use of it yet. More to come, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 01:03:30 +00:00
Eli Friedman
2451a64687
Canonicalize bitcasts between types like <1 x i64> and i64 to
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insertelement/extractelement.
I'm not entirely sure this is precisely what we want to do: should we
prefer bitcast(insertelement) or insertelement(bitcast)? Similarly. should we
prefer extractelement(bitcast) or bitcast(extractelement)?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76345 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 23:06:53 +00:00
Eli Friedman
76e7ba893f
Back out 76300; apparently the preference is to canonicalize the other
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way (bitcast -> insert/extractelement).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76325 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 19:04:16 +00:00
Chris Lattner
93f2491cf8
add a fixme
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76324 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 18:49:04 +00:00
Eli Friedman
8be17397c0
Add combine: X sdiv (1 << Y) -> X udiv (1 << Y) when X doesn't have the
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sign bit set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76304 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 09:53:21 +00:00
Eli Friedman
191a0aee4f
Remove no-op check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76302 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 09:21:25 +00:00
Eli Friedman
1694e095c0
Remove dead check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76301 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 09:12:15 +00:00
Eli Friedman
fc21f8ff14
Canonicalize insert/extractelement from single-element vectors into
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bitcasts.
It would also be possible to canonicalize the other way; does anyone
have a preference?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 09:07:47 +00:00
Eli Friedman
62bb413435
Fix simplifylibcalls memset recognition to work on 64-bit platforms
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where int is 32 bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 08:34:51 +00:00
Nick Lewycky
3a4a884c16
Replace intersectWith with maximalIntersectWith. The latter guarantees that
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all values belonging to the intersection will belong to the resulting range.
The former was inconsistent about that point (either way is fine, just pick
one.) This is part of PR4545.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 06:34:42 +00:00
Eli Friedman
4612e59779
Fix the inline cost calculation to take into account instructions
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which cannot be folded even if they have constant operands. Significantly
helps if_spppsubr.c attached to PR4573.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 05:26:06 +00:00
Eli Friedman
ef6ab66bcf
Add line breaks to make the debug output a bit more readable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 05:12:58 +00:00
Dan Gohman
016de81177
Convert more code to use Operator instead of explicitly handling both
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ConstantExpr and Instruction. This involves duplicating some code
between GetElementPtrInst and GEPOperator, but it's not a lot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76265 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 23:55:56 +00:00
Dan Gohman
3a7a68c108
Make BasicAliasAnalysis and Value::getUnderlyingObject use
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GEPOperator's hasNoPointer0verflow(), and make a few places in instcombine
that create GEPs that may overflow clear the NoOverflow value. Among
other things, this partially addresses PR2831.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 22:25:10 +00:00
Dan Gohman
8f080f0233
Fix some typos in a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76249 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 22:16:21 +00:00
Dan Gohman
ca178908c8
Add a new Operator class, for handling Instructions and ConstantExprs
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in a convenient manner, factoring out some common code from
InstructionCombining and ValueTracking. Move the contents of
BinaryOperators.h into Operator.h and use Operator to generalize them
to support ConstantExprs as well as Instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76232 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 20:47:02 +00:00
Daniel Dunbar
ff8ac551a7
Initialize another Context, in the hopes of unbreaking CBE.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 16:20:23 +00:00
Eli Friedman
0b79a7727d
Replace isTrapping with a new, similar method called
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isSafeToSpeculativelyExecute. The new method is a bit closer to what
the callers actually care about in that it rejects more things callers
don't want. It also adds more precise handling for integer
division, and unifies code for analyzing the legality of a speculative
load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 04:28:42 +00:00
Owen Anderson
001dbfebcb
Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in
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our current context-passing stuff, which is also fixed here
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76089 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 18:04:31 +00:00
Owen Anderson
50dead06ff
Revert yesterday's change by removing the LLVMContext parameter to AllocaInst and MallocInst.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 23:53:25 +00:00
Eli Friedman
0c77db32dd
Switch invars away from using isTrapping when it really shouldn't be
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using it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75852 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 22:48:29 +00:00
Eli Friedman
fd2934f190
Don't restrict the set of instructions where we try to constant-fold the
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operands; it's possible to end up with a constant-foldable operand to
most instructions, even those which can't trap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 22:13:34 +00:00
Dan Gohman
5668cf77a7
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75723 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 01:26:32 +00:00
Dan Gohman
bdc017edac
Make makeLoopInvariant report whether it made any changes or not,
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and use this to simplify more code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75722 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 01:25:43 +00:00
Owen Anderson
9adc0abad3
Move EVER MORE stuff over to LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 23:09:55 +00:00
Dale Johannesen
fa196e34b0
Revert 75571; I'm convinced this isn't the right thing to do.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 17:48:25 +00:00
Torok Edwin
c23197a26f
llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
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This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 16:55:14 +00:00
Dan Gohman
1b65253da6
Require IVUsers after LCSSA, since LCSSA does not preserve IVUsers.
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This results in the pass manager running IVUsers only once for
indvars, instead of twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75633 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 14:26:23 +00:00
Eli Friedman
b468709c91
Fix trivial todo in instcombine.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75586 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 02:01:53 +00:00
Dan Gohman
0df6e09d43
Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant
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function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 01:37:59 +00:00
Dan Gohman
65d1e2b6e7
Fix indvars to not assume that a loop with a single unique exit
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block has a single unique exiting block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 01:09:02 +00:00
Dale Johannesen
4458ab0d83
Don't delete asm's just because their inputs are undefined;
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xor R, R is a common and valid idiom for zeroing a register, for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 00:45:38 +00:00
Eli Friedman
070a981ab7
PR4548: optimize zext+udiv+trunc to udiv.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75539 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 22:46:01 +00:00
Eli Friedman
709b33dc78
Canonicalize boolean +/- a constant to a select.
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(I think it's reasonably clear that we want to have a canonical form for
constructs like this; if anyone thinks that a select is not the best
canonical form, please tell me.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 22:27:52 +00:00
Owen Anderson
fa82b6eba4
These don't really need contexts either.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75528 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 22:18:28 +00:00
Dan Gohman
c8d76d5afb
Make Loop and MachineLoop be subclasses of LoopBase, rather than typedefs,
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using the Curiously Recurring Template Pattern with LoopBase.
This will help further refactoring, and future functionality for
Loop. Also, Headers can now foward-declare Loop, instead of pulling
in LoopInfo.h or doing tricks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75519 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 21:51:15 +00:00
Eli Friedman
65445c5b14
Misc simplifications to InstCombiner::commonIntCastTransforms. Most of
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the changes are allowed by not calling this function for bitcasts.
The Instruction::AShr case is dead because
SimplifyDemandedInstructionBits handles that case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75514 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 21:45:57 +00:00
Eli Friedman
eb7f7a8665
Fix comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75499 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:58:59 +00:00
Owen Anderson
73c6b7127a
Move more functionality over to LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75497 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:58:05 +00:00
Eli Friedman
7e25d45cfb
Don't bother to call commonIntCastTransforms for bitcasts; int->int
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bitcasts will always be eliminated anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:53:00 +00:00