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1100 Commits

Author SHA1 Message Date
David Greene
ede60e521f Fix a build error by adding a missing commit. 
llvm-svn: 92670
 2010-01-05 01:36:30 +00:00
Chris Lattner
89b1b63bdf teach instcombine to optimize pointer difference idioms involving constant 
expressions.  This is a step towards comment #4 in PR3351.

llvm-svn: 92401
 2010-01-01 22:29:12 +00:00
Chris Lattner
f1704b24be remove #include that comes in from ConstantFolder.h 
llvm-svn: 92232
 2009-12-28 21:52:06 +00:00
Chris Lattner
28de6cdbf5 remove #include of Function.h from IRBuilder 
llvm-svn: 92231
 2009-12-28 21:50:56 +00:00
Chris Lattner
e70c40e8ac move debug info stuff out of line, allowing two #includes 
to go away from IRBuilder.h

llvm-svn: 92230
 2009-12-28 21:45:40 +00:00
Chris Lattner
e0b9847223 split code that doesn't need to be templated out of IRBuilder into a new 
non-templated IRBuilderBase class.  Move that large CreateGlobalString
out of line, eliminating the need to #include GlobalVariable.h in IRBuilder.h

llvm-svn: 92227
 2009-12-28 21:28:46 +00:00
Chris Lattner
13e5945d1d rename ivar to be more descriptive. 
llvm-svn: 92226
 2009-12-28 21:12:29 +00:00
Chris Lattner
cd3aa9d1ff rename getMDKind -> getMDKindID, make it autoinsert if an MD Kind 
doesn't exist already, eliminate registerMDKind.  Tidy up a bunch
of random stuff.

llvm-svn: 92225
 2009-12-28 20:45:51 +00:00
Bill Wendling
baec6e54f4 Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are 
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.

llvm-svn: 92181
 2009-12-28 01:20:29 +00:00
David Greene
d411e1b728 Fix a comment. 
llvm-svn: 92082
 2009-12-23 23:19:43 +00:00
David Greene
ac142c7e5d Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92016
 2009-12-23 18:25:37 +00:00
David Greene
3f7cf289ed Provide dbgs(), a circular-buffering debug output stream. By default it 
simply passes output to errs().  If -debug-buffer-size=N is set N > 0,
dbgs() buffers its output until program termination and dumps the last N
characters sent to it.  This is handy when debugging very large inputs.

llvm-svn: 92002
 2009-12-23 16:39:06 +00:00
David Greene
f1f78a15e1 Add circular_raw_ostream, which buffers its output in a circular queue 
and outputs it when explicitly flushed.  The intent is to use it in
situations such as debug output logging where a signal handler can take
care of flushing the buffer at program termination.

llvm-svn: 92001
 2009-12-23 16:08:15 +00:00
Anton Korobeynikov
903c2a0cb5 Restore snprintf weirdness for VCPP only 
llvm-svn: 91918
 2009-12-22 20:11:00 +00:00
Chris Lattner
e1abf0437c don't run GVN at -O1, GCC doesn't do it's equivalent at that optimization level. 
llvm-svn: 91886
 2009-12-22 04:47:41 +00:00
Anton Korobeynikov
299ec7d3e7 Remove uber-gross hack. The define _snprintf to snprintf is invalid due to two reasons: 1. Accroding to C++ standard snprintf should be available in std namespace (and __gnu_cxx in case of GCC to). Such ifdef will change all snprintf's to _snprintf's, but won't bring snprintf to all necessary namespaces. Thus e.g. any locale-using code on mingw will yield an error (include this file + string to see the result) 2. MSVCRT's _snprintf does not comply with C99 standard. Standard one is snprintf. 
llvm-svn: 91842
 2009-12-21 20:19:37 +00:00
Chris Lattner
e390b70e2c Make some methods const. The only interesting change here is that 
it changes raw_fd_ostream::preferred_buffer_size to return zero on
a scary stat failure instead of setting the stream to an error state.
This method really should not mutate the stream.

llvm-svn: 91740
 2009-12-19 01:38:42 +00:00
Dan Gohman
3ceb7c0c47 Add utility routines for NSW multiply. 
llvm-svn: 91664
 2009-12-18 03:10:26 +00:00
Dan Gohman
6bb50740f4 Add utility routines for creating integer negation operators with NSW set. 
Integer negation only overflows with INT_MIN, but that's an important case.

llvm-svn: 91662
 2009-12-18 02:58:50 +00:00
Chris Lattner
f1a0d32b5f improve isPodLike to know that all non-class types are pod. 
llvm-svn: 91425
 2009-12-15 07:40:44 +00:00
Chris Lattner
587962c667 Remove isPod() from DenseMapInfo, splitting it out to its own 
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421
 2009-12-15 07:26:43 +00:00
Chris Lattner
05651d4544 add an ALWAYS_INLINE macro, which does the obvious thing. 
llvm-svn: 91416
 2009-12-15 06:14:33 +00:00
Dan Gohman
8e0956f734 Micro-optimize these functions in the case where they are not inlined. 
llvm-svn: 91316
 2009-12-14 19:32:31 +00:00
Jeffrey Yasskin
9cba192e78 Make it easier to use the llvm_unreachable and DEBUG macros without "using 
namespace llvm" by qualifying their implementations with ::llvm::.

llvm-svn: 91206
 2009-12-12 04:08:32 +00:00
Anders Carlsson
25a1bae472 Add qualifiers for calls to member functions in dependent bases. 
llvm-svn: 91087
 2009-12-11 01:04:42 +00:00
Chris Lattner
aee232cb03 Add helper methods for forming shift operations with a constant 
shift amount.

llvm-svn: 90694
 2009-12-06 01:56:22 +00:00
Bob Wilson
b8002101b4 Fix indentation. 
llvm-svn: 90613
 2009-12-04 22:46:47 +00:00
Mike Stump
cbbfda910a Create yet another helper for Invoke. 
llvm-svn: 90514
 2009-12-04 01:53:15 +00:00
Mike Stump
9bc36df3e7 Add some helpers for Invoke to mirror CreateCall helpers. 
llvm-svn: 90508
 2009-12-04 01:26:26 +00:00
Benjamin Kramer
49b3c58272 Fix odd declaration. 
llvm-svn: 90138
 2009-11-30 15:52:29 +00:00
Tobias Grosser
74c7605daf Remove ShortNames from getNodeLabel in DOTGraphTraits 
llvm-svn: 90134
 2009-11-30 12:38:47 +00:00
Tobias Grosser
48d8ba7043 Instantiate DefaultDOTGraphTraits 
llvm-svn: 90133
 2009-11-30 12:38:13 +00:00
Tobias Grosser
4b6d3d58f6 Do not point edge heads to source labels 
If no destination label is available, just point to the node itself
instead of pointing to some source label. Source and destination labels are
not related in any way.

llvm-svn: 90132
 2009-11-30 12:37:39 +00:00
Tobias Grosser
72a78e2a22 Only print edgeSourceLabels if they are not empty 
Graphviz can layout the graphs better if a node does not contain source
ports. Therefore only print the ports if the source ports are useful,
that means are not labeled with the empty string "".
This patch also simplifies graphs without any edgeSourceLabels e.g. the
dominance trees.

llvm-svn: 90131
 2009-11-30 12:24:40 +00:00
Daniel Dunbar
11a4dce179 SourceMgr: Add ShowLine argument to PrintMessage, to allow suppressing the source line output. 
llvm-svn: 89627
 2009-11-22 22:08:00 +00:00
Daniel Dunbar
d4a7e3e760 Use ExtractElementInst::Create instead of new; patch by Artur Pietrek! 
llvm-svn: 89606
 2009-11-22 18:27:43 +00:00
Jeffrey Yasskin
eaf0187422 Remove spurious @verbatim. Patch by Timo Juhani Lindfors! 
llvm-svn: 89252
 2009-11-18 22:04:44 +00:00
Duncan Sands
bebe645914 Following a suggestion of Daniel Dunbar, stop people passing the name 
as the isSigned bool to CreateIntCast by having this resolve to a call
to a private method, rather than by using a gcc attribute.

llvm-svn: 89067
 2009-11-17 08:34:52 +00:00
Douglas Gregor
a92bd85bea Make ERROR_IF_USED macro work with GCC <= 4.2, Apple GCCs 
llvm-svn: 88916
 2009-11-16 16:56:48 +00:00
Duncan Sands
d67a1e3fa8 Make sure that if anyone passes a name by accident for the isSigned 
parameter of CreateIntCast then they get an error from the compiler
(or from the linker with a non-gcc compiler).  Another possibility
is to flip the order of the DestTy and isSigned parameters, since you
should then get a compiler warning if you try to use a char* for a
Type*.

llvm-svn: 88913
 2009-11-16 15:28:17 +00:00
Chris Lattner
5bbbe72be5 add attributes for readnone/readonly functions. 
llvm-svn: 88862
 2009-11-15 19:54:31 +00:00
Benjamin Kramer
e9ba686ab8 Implement DISABLE_INLINE for MSVC. This required changing the position in all 
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!

llvm-svn: 88798
 2009-11-14 16:37:18 +00:00
Benjamin Kramer
521985553a Make NORETURN working with MSVC. MSVC only accepts NORETURN in front of the 
decl so move it there. GCC accepts it both in front and after decls.

llvm-svn: 88791
 2009-11-14 14:14:58 +00:00
Nuno Lopes
aa4a883855 implement shl, ashr, and lshr methods. shl is not fully implemented as it is quite tricky. 
llvm-svn: 86986
 2009-11-12 14:53:53 +00:00
Devang Patel
304b516363 Add SetDebugLocation() variant to 
add debug info location to an instruction.

llvm-svn: 86859
 2009-11-11 19:06:06 +00:00
Chris Lattner
1f7f78ea94 jump threading does everything that condprop does any more. This passes 
bootstrap on darwin i386.

llvm-svn: 86758
 2009-11-10 23:54:10 +00:00
Jeffrey Yasskin
23ac706aab Fix DenseMap iterator constness. 
This patch forbids implicit conversion of DenseMap::const_iterator to
DenseMap::iterator which was possible because DenseMapIterator inherited
(publicly) from DenseMapConstIterator. Conversion the other way around is now
allowed as one may expect.

The template DenseMapConstIterator is removed and the template parameter
IsConst which specifies whether the iterator is constant is added to
DenseMapIterator.

Actually IsConst parameter is not necessary since the constness can be
determined from KeyT but this is not relevant to the fix and can be addressed
later.

Patch by Victor Zverovich!

llvm-svn: 86636
 2009-11-10 01:02:17 +00:00
Daniel Dunbar
886e51b5c1 Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a lame API. 
Also, Stringrefify some more MemoryBuffer functions, and add two performance FIXMEs.

llvm-svn: 86630
 2009-11-10 00:43:58 +00:00
Nuno Lopes
5b15b50af4 add zextOrTrunc and sextOrTrunc methods, that are similar to the ones in APInt 
llvm-svn: 86549
 2009-11-09 15:36:28 +00:00
Daniel Dunbar
4daaf9d3f4 Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Chris Lattner
6a31c1141c remove some more Context arguments. 
llvm-svn: 86235
 2009-11-06 05:59:53 +00:00
Chris Lattner
903ae55e1c remove a bunch of extraneous LLVMContext arguments 
from various APIs, addressing PR5325.

llvm-svn: 86231
 2009-11-06 04:27:31 +00:00
Dan Gohman
8d72615df7 InstrTypes.h includes Instruction.h, so it's not necessary to include both. 
llvm-svn: 86162
 2009-11-05 19:42:20 +00:00
Douglas Gregor
2272ca3d44 Move llvm:🆑:opt's conversion function into the base classes that 
actually need that conversion function. Silences a Clang++ warning.

llvm-svn: 86148
 2009-11-05 18:30:50 +00:00
Chris Lattner
d04294d7b8 Declare classes with matched tags, pointed out by a clang++ warning. 
llvm-svn: 86144
 2009-11-05 17:51:44 +00:00
Douglas Gregor
eff068fbcb Make two more LLVM headers standalone 
llvm-svn: 86131
 2009-11-05 13:39:23 +00:00
Douglas Gregor
4f2fc40ae8 Make a few headers standalone. Plus, add a missing "template" keyword 
that Clang diagnoses but GCC does not.

llvm-svn: 86130
 2009-11-05 13:30:28 +00:00
Chris Lattner
dddec653f1 make IRBuilder zap "X|0" and "X&-1" when building IR, this happens 
during bitfield codegen and slows down -O0 compile times by making
useless IR.  rdar://7362516

llvm-svn: 86006
 2009-11-04 05:00:12 +00:00
Chris Lattner
3ea71a58aa turn IPSCCP back on by default, try #3 or 4? Woo. 
llvm-svn: 85929
 2009-11-03 19:35:13 +00:00
Duncan Sands
531ed64b09 Run the functionattrs pass after the inliner, and not before. 
This makes both logical sense (see below) and increases the
number of functions marked readnone/readonly by about 1-2%
in practice.  The number of functions marked nocapture goes
up by about 5-10%.  The reason it makes sense is shown by
the following example: if you run -functionattrs -inline on
it, then no attributes are assigned.  But if you instead run
-inline -functionattrs then @f is marked readnone because the
simplifications produced by the inliner eliminate the store.

@x = external global i32

define void @w(i1 %b) {
        br i1 %b, label %write, label %return
write:
        store i32 1, i32 *@x
        br label %return
return:
        ret void
}

define void @f() {
        call void @w(i1 0)
        ret void
}

llvm-svn: 85893
 2009-11-03 09:40:08 +00:00
Daniel Dunbar
b5c7546aaf Speculatively redisable IPSCCP, I think its still breaking things. 
llvm-svn: 85884
 2009-11-03 07:49:22 +00:00
Chris Lattner
b1dfdadabd turn IPSCCP back on now that the iterator invalidation bug is fixed. 
llvm-svn: 85858
 2009-11-03 03:42:51 +00:00
Chris Lattner
6f515d4ba8 revert r8579[56], which are causing unhappiness in buildbot land. 
llvm-svn: 85818
 2009-11-02 19:31:10 +00:00
Chris Lattner
8243ac1abf now that ip sccp *really* subsumes ipcp, remove ipcp again. 
llvm-svn: 85796
 2009-11-02 07:34:29 +00:00
Chris Lattner
dc9cf48396 fix two strange things in the default passmgr: 
1. we'd run simplifycfg at the very start, even though
the per function passes have already cleaned this up.

2. In the main per-function pipeline that is interlaced with inlining 
   etc, we would do instcombine, jump threading, simplifycfg *before*
   doing SROA.  SROA is much more likely to expose opportunities for
   these passes than they are for SROA, so move SRoA up earlier.

also add some comments.

llvm-svn: 85742
 2009-11-01 20:41:59 +00:00
Chris Lattner
2db49d0a22 IPSCCP apparently is not a superset of IPCP, this is bad, 
but I'll investigate it separately.  This unbreaks 
test/FrontendC/weak_constant.c

llvm-svn: 85735
 2009-11-01 19:29:12 +00:00
Chris Lattner
73fa16be5d only run GlobalDCE at -O3 and run it late instead of early. 
GlobalOpt already deletes trivially dead functions/globals,
so GlobalDCE only adds values for cycles of dead things.

llvm-svn: 85731
 2009-11-01 19:09:12 +00:00
Chris Lattner
69549467e3 We currently only run ipsccp at LTO time, which is silly. It subsumes 
ipconstprop and doesn't take much time.  Just run it in its place.

This adds a testcase for it, which I plan to expand to cover other
"integration" cases, where we expect the optimizer to be able to
eliminate various things.  Due to phase order issues we've regressed
in a number of areas and integration tests are the only way I see to
prevent this.

llvm-svn: 85729
 2009-11-01 18:57:49 +00:00
Evan Cheng
eb9c268ba0 Rather than having llvm-gcc changing the meaning of OptimizeSize, just make sure loop unswitch is conservative when optimization level is < 3. 
llvm-svn: 85581
 2009-10-30 07:23:49 +00:00
Chris Lattner
64ba3671c9 add IRBuilder support for IndirectBr 
llvm-svn: 85445
 2009-10-28 23:25:00 +00:00
Chris Lattner
a77d439989 add a new 'SetCurrentDebugType' API (requested by Andrew Haley for JIT 
stuff) to programmatically control the current debug flavor.  While 
I'm at it, doxygenate Debug.h and clean it up.

llvm-svn: 85395
 2009-10-28 15:32:19 +00:00
Chris Lattner
2bc8002f4c rename indbr -> indirectbr to appease the residents of #llvm. 
llvm-svn: 85351
 2009-10-28 00:19:10 +00:00
Chris Lattner
fdda543cea add enough support for indirect branch for the feature test to pass 
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.

llvm-svn: 85274
 2009-10-27 19:13:16 +00:00
Chris Lattner
71d02f1af8 lang points out that the comment is out of date with the code. 
llvm-svn: 85203
 2009-10-27 04:58:10 +00:00
Victor Hernandez
673c036bc7 Remove FreeInst. 
Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.

llvm-svn: 85176
 2009-10-26 23:43:48 +00:00
Dan Gohman
7c0dc4ab00 Add CreateZExtOrBitCast and CreateSExtOrBitCast to TargetFolder 
for consistency with ConstantFolder.

llvm-svn: 85137
 2009-10-26 18:36:40 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Victor Hernandez
e8998896f5 Auto-upgrade free instructions to calls to the builtin free function. 
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987
 2009-10-24 04:23:03 +00:00
Victor Hernandez
8428eb5720 Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary. 
llvm-svn: 84969
 2009-10-23 21:09:37 +00:00
Jeffrey Yasskin
e90afea0ba Try r84890 again (adding ValueMap<>), now that I've tested the compile on 
gcc-4.4.

llvm-svn: 84902
 2009-10-22 22:11:22 +00:00
Jeffrey Yasskin
7555ed8cdc Revert r84890, which broke the linux build. 
llvm-svn: 84892
 2009-10-22 20:23:43 +00:00
Jeffrey Yasskin
ad8692124f Add a ValueMap<ValueOrSubclass*, T> type. ValueMap<Value*, T> is safe to use 
even when keys get RAUWed and deleted during its lifetime. By default the keys
act like WeakVHs, but users can pass a third template parameter to configure
how updates work and whether to do anything beyond updating the map on each
action.

It's also possible to automatically acquire a lock around ValueMap updates
triggered by RAUWs and deletes, to support the ExecutionEngine.

llvm-svn: 84890
 2009-10-22 20:10:20 +00:00
Devang Patel
7edc7aa34d Cosmetic changes. 
s/validName/isValidName/g
s/with an Instruction/to an Instruction/g
s/RegisterMDKind/registerMDKind/g

llvm-svn: 84689
 2009-10-20 22:50:27 +00:00
Jeffrey Yasskin
fdb36c1a29 Clean up the JITResolver stub/callsite<->function maps. 
The JITResolver maps Functions to their canonical stubs and all callsites for
lazily-compiled functions to their target Functions. To make Function
destruction work, I'm going to need to remove all callsites on destruction, so
this patch also adds the reverse mapping for that.

There was an incorrect assumption in here that the only stub for a function
would be the one caused by needing to lazily compile it, while x86-64 far calls
and dlsym-stubs could also cause such stubs, but I didn't look for a test case
that the assumption broke.

This also adds DenseMapInfo<AssertingVH> so I can use DenseMaps instead of
std::maps.

llvm-svn: 84522
 2009-10-19 18:49:59 +00:00
Eric Christopher
41d8dc960b More warnings patrol: Another unused argument and more implicit 
conversions.

llvm-svn: 84382
 2009-10-17 23:56:18 +00:00
Daniel Dunbar
5aa3eebc5d Add raw_ostream::write_escaped, for writing escaped strings. 
llvm-svn: 84355
 2009-10-17 20:43:08 +00:00
Victor Hernandez
a25a2890fa Remove MallocInst from LLVM Instructions. 
llvm-svn: 84299
 2009-10-17 01:18:07 +00:00
Eric Christopher
fd8bbb9270 One more iteration here and a yet better way to solve it. 
llvm-svn: 84150
 2009-10-14 22:14:18 +00:00
Eric Christopher
11e07e9ef1 Fix the unused argument problem here a different way - cast to void. 
llvm-svn: 84147
 2009-10-14 21:45:49 +00:00
Dan Gohman
ae76dc48d6 Delete bogus semicolons. 
llvm-svn: 84132
 2009-10-14 20:39:01 +00:00
Eric Christopher
a7407c0921 Remove a bunch of unused arguments from functions, silencing a 
warning.

llvm-svn: 84130
 2009-10-14 20:28:33 +00:00
Devang Patel
72f708ec2f s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Douglas Gregor
1fd6052176 Add is_same type trait 
llvm-svn: 84029
 2009-10-13 21:17:00 +00:00
Jeffrey Yasskin
7d85d5a366 Fix http://llvm.org/PR5160, to let CallbackVHs modify other ValueHandles on the 
same Value without breaking things.

llvm-svn: 83861
 2009-10-12 17:43:32 +00:00
Chris Lattner
2a0366af9e add a helper for matching "1". 
llvm-svn: 83760
 2009-10-11 07:51:25 +00:00
Chris Lattner
a9bbfdf699 there is no need to run mem2reg after jump threading at LTO time now. 
llvm-svn: 83753
 2009-10-11 04:17:33 +00:00
Chris Lattner
54621efc37 add some WeakVH::operator='s. Without these, assigning 
a Value* to a WeakVH was constructing a temporary WeakVH
(due to the implicit assignment operator).  This avoids
that cost.

llvm-svn: 83704
 2009-10-10 08:27:29 +00:00
Evan Cheng
1a5c370be3 Rename enum NumOccurrences to NumOccurrencesFlag since there is a member named NumOccurrences. 
llvm-svn: 83273
 2009-10-04 05:25:42 +00:00
Douglas Gregor
a3fb17c280 Teach CMake to look for bidirectional_iterator, iterator, forward_iterator, uint64_t, and u_int64_t, from Yonggang Luo 
llvm-svn: 83203
 2009-10-01 17:25:36 +00:00
Devang Patel
4f1147e386 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions. 
llvm-svn: 83190
 2009-10-01 01:15:28 +00:00