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103878 Commits

Author SHA1 Message Date
Chris Lattner e81d045d94 remove the StructRetPromotion pass. It is unused, not maintained and 
has some bugs.  If this is interesting functionality, it should be 
reimplemented in the argpromotion pass.

llvm-svn: 129314
 2011-04-11 23:09:44 +00:00
Wesley Peck f30a0e2d80 Fix an error in the MBlaze delay slot filler. 
llvm-svn: 129313
 2011-04-11 22:45:02 +00:00
Daniel Dunbar 0625b1f860 build: Add support for a SHOW_DIAGNOSTICS build variable. 
If enabled, this will attempt to use the CC_LOG_DIAGNOSTICS feature I dropped
into Clang to print a log of all the diagnostics generated during an individual
build (from the top-level). Not sure if this will actually be useful, but for
now it is handy for testing the option.

llvm-svn: 129312
 2011-04-11 22:37:39 +00:00
Wesley Peck 1914c39bd4 Add scheduling information for the MBlaze backend. 
llvm-svn: 129311
 2011-04-11 22:31:52 +00:00
Eric Christopher 64749f2a89 Lex, and then fail on invalid constants. 
Testcase forthcoming.

rdar://8490596

llvm-svn: 129309
 2011-04-11 22:24:56 +00:00
Ted Kremenek 8ef59e5c03 C++ static analysis: also invalidate fields of objects that are the callees in C++ method calls. 
llvm-svn: 129308
 2011-04-11 22:22:05 +00:00
Nick Lewycky 0f85789800 Just because a GlobalVariable's initializer is [N x { i32, void ()* }] doesn't 
mean that it has to be ConstantArray of ConstantStruct. We might have
ConstantAggregateZero, at either level, so don't crash on that.

Also, semi-deprecate the sentinal value. The linker isn't aware of sentinals so
we end up with the two lists appended, each with their "sentinals" on them.
Different parts of LLVM treated sentinals differently, so make them all just
ignore the single entry and continue on with the rest of the list.

llvm-svn: 129307
 2011-04-11 22:11:20 +00:00
Rafael Espindola 82065cb6cf Implement cfi_rel_offset 
llvm-svn: 129306
 2011-04-11 21:49:50 +00:00
Jakob Stoklund Olesen 0f175ebc32 Speed up eviction by stopping collectInterferingVRegs as soon as the spill 
weight limit has been exceeded.

llvm-svn: 129305
 2011-04-11 21:47:01 +00:00
Rafael Espindola 4f46abc15e Add test for previous commit. 
llvm-svn: 129304
 2011-04-11 21:41:34 +00:00
Wesley Peck e3685217d0 Don't crash on invalid instructions when disassembling MBlaze code. 
This fixes http://llvm.org/bugs/show_bug.cgi?id=9653

llvm-svn: 129303
 2011-04-11 21:35:21 +00:00
Bill Wendling 1e1f1c9ce1 The default of the dispatch switch statement was to branch to a BB that executed 
the 'unwind' instruction. However, later on that instruction was converted into
a jump to the basic block it was located in, causing an infinite loop when we
get there.

It turns out, we get there if the _Unwind_Resume_or_Rethrow call returns (which
it's not supposed to do). It returns if it cannot find a place to unwind
to. Thus we would get what appears to be a "hang" when in reality it's just that
the EH couldn't be propagated further along.

Instead of infinitely looping (or calling `unwind', which none of our back-ends
support (it's lowered into nothing...)), call the @llvm.trap() intrinsic
instead. This may not conform to specific rules of a particular language, but
it's rather better than infinitely looping.

<rdar://problem/9175843&9233582>

llvm-svn: 129302
 2011-04-11 21:32:34 +00:00
Fariborz Jahanian 1248df43bf Typo. 
llvm-svn: 129301
 2011-04-11 21:26:35 +00:00
Fariborz Jahanian fae2e8df37 Fixup more objc rwriter bug having to do with 
rewriting of blocks which have objective-c
stuff which need be rewritten as well. // rdar://9254348

llvm-svn: 129300
 2011-04-11 21:17:02 +00:00
Chris Lattner 20b90d061a fix the path to ld.so for darwin/ppc, resolving PR9677. Patch 
by Jeremy Huddleston!

llvm-svn: 129299
 2011-04-11 21:15:37 +00:00
Johnny Chen f79d5365de Fix the bug where the immediate shift amount for Thumb logical shift instructions are incorrectly disassembled. 
rdar://problem/9266265

llvm-svn: 129298
 2011-04-11 21:14:35 +00:00
Evan Cheng ef42bea704 Look pass copies when determining whether hoisting would end up inserting more copies. rdar://9266679 
llvm-svn: 129297
 2011-04-11 21:09:18 +00:00
Rafael Espindola ffd2e5163b implement .cfi_adjust_cfa_offset. 
llvm-svn: 129296
 2011-04-11 20:29:16 +00:00
Eli Friedman 2c81975bae Get rid of useless comment; if a file uses functions from a given header, 
it is obvious that it should be included.

llvm-svn: 129295
 2011-04-11 20:16:05 +00:00
Owen Anderson 5140802cd9 Fix another using-CPSR-twice bug in my ADCS/SBCS cleanups, and make proper use of the Commutable bit. 
llvm-svn: 129294
 2011-04-11 20:12:19 +00:00
Jakob Stoklund Olesen b16e948029 Skip a binary search when possible. 
llvm-svn: 129293
 2011-04-11 20:01:44 +00:00
Jakob Stoklund Olesen 7d05bce70c Use a faster algorithm for computing MBB live-in registers after register allocation. 
LiveIntervals::findLiveInMBBs has to do a full binary search for each segment.

llvm-svn: 129292
 2011-04-11 20:01:41 +00:00
Garrison Venn 56c5ca2ee1 Because some systems have reported that this example would not build the 
header file cstdio was added as an include.

llvm-svn: 129291
 2011-04-11 19:52:49 +00:00
Stephen Wilson 71c21d18c3 Order of initialization lists. 
This patch fixes all of the warnings due to unordered initialization lists.

Patch by Marco Minutoli.

llvm-svn: 129290
 2011-04-11 19:41:40 +00:00
Stephen Wilson 2b899767e1 Fix struct vs. class warning. 
ParserVars is declared using the class keyword. This solves the warning.

llvm-svn: 129289
 2011-04-11 19:38:03 +00:00
Johnny Chen 74adbddade Trivial comment fix. 
llvm-svn: 129288
 2011-04-11 18:51:50 +00:00
Evan Cheng fe917efc8b Fix a couple of places where changes are made but not tracked. 
llvm-svn: 129287
 2011-04-11 18:47:20 +00:00
Johnny Chen 66fab75920 Check invalid register encodings for LdFrm/StFrm ARM instructions and flag them as 
invalid instructions.

llvm-svn: 129286
 2011-04-11 18:34:12 +00:00
Howard Hinnant a23551cad4 Fix bug in Sseq constraints found by Seth Cantrell 
llvm-svn: 129285
 2011-04-11 18:22:12 +00:00
Kevin Enderby 9377a52c12 Adding support for printing operands symbolically to llvm's public 'C' 
disassembler API.  Hooked this up to the ARM target so such tools as Darwin's
otool(1) can now print things like branch targets for example this:
  blx _puts
instead of this:
  blx #-36
And even print the expression encoded in the Mach-O relocation entried for
things like this:
  movt r0, :upper16:((_foo-_bar)+1234)

llvm-svn: 129284
 2011-04-11 18:08:50 +00:00
Jakob Stoklund Olesen f8beafe207 Don't add live ranges for sub-registers when clobbering a physical register. 
Both coalescing and register allocation already check aliases for interference,
so these extra segments are only slowing us down.

This speeds up both linear scan and the greedy register allocator.

llvm-svn: 129283
 2011-04-11 18:08:10 +00:00
Caroline Tice 88544c5f2c Implement ARM emulation function to handle "SUBS PC, LR and related instructions". 
llvm-svn: 129279
 2011-04-11 15:51:10 +00:00
Jakob Stoklund Olesen 4fbbe3689d Speed up LiveIntervalUnion::unify by handling end insertion specially. 
This particularly helps with the initial transfer of fixed intervals.

llvm-svn: 129277
 2011-04-11 15:00:44 +00:00
Jakob Stoklund Olesen bfabc494f5 Time the initial seeding of live registers 
llvm-svn: 129276
 2011-04-11 15:00:42 +00:00
Jakob Stoklund Olesen 96d04c8e00 Don't shrink live ranges after dead code elimination unless it is going to help. 
In particular, don't repeatedly recompute the PIC base live range after rematerialization.

llvm-svn: 129275
 2011-04-11 15:00:39 +00:00
Oscar Fuentes c6f2d0a4cf CMake: remove some unnecesary code and ToDos. 
Patch by arrowdodger!

llvm-svn: 129274
 2011-04-11 14:52:39 +00:00
Anders Carlsson 0c63350b0b If there's an invoke destination, we should use invoke instead of call when calling the __cxa_bad_typeid function. Fixes PR7400. 
llvm-svn: 129273
 2011-04-11 14:13:40 +00:00
Jay Foad 0159a1ee11 Fix or remove code which seemed to think that the operand of a Constant 
was always a User.

llvm-svn: 129272
 2011-04-11 09:48:55 +00:00
Jay Foad 7c14a558fe Don't include Operator.h from InstrTypes.h. 
llvm-svn: 129271
 2011-04-11 09:35:34 +00:00
Jay Foad 29426e87c1 Phi nodes always use an even number of operands, so don't ever allocate 
an odd number.

llvm-svn: 129270
 2011-04-11 09:25:51 +00:00
John McCall 2d2e870745 More __unknown_anytype work. 
llvm-svn: 129269
 2011-04-11 07:02:50 +00:00
NAKAMURA Takumi 62920834fa docs/CommandGuide/index.html: Fix CSS url to relative. 
llvm-svn: 129268
 2011-04-11 03:27:38 +00:00
NAKAMURA Takumi 2a7024fa6c docs/CommandLine.html: &quot;ize. 
llvm-svn: 129267
 2011-04-11 03:27:31 +00:00
Howard Hinnant 40dab2ce86 http://llvm.org/bugs/show_bug.cgi?id=9672 
llvm-svn: 129266
 2011-04-11 02:18:41 +00:00
Anders Carlsson 8a01a751c9 Remove CK_DynamicToNull. 
llvm-svn: 129265
 2011-04-11 02:03:26 +00:00
Anders Carlsson c1c9971cab When we know that a dynamic_cast always returns null, we can make 
CodeGenFunction::EmitDynamicCast always return null or throw a bad_cast 
exception.

llvm-svn: 129264
 2011-04-11 01:45:29 +00:00
Anders Carlsson 267c0c930e Add CXXDynamicCastExpr::isAlwaysNull() which will be replacing the cast kind I added. 
llvm-svn: 129263
 2011-04-11 01:43:55 +00:00
Anders Carlsson 882d790f72 Clean up CodeGenFunction::EmitDynamicCast. No functionality change. 
llvm-svn: 129262
 2011-04-11 00:46:40 +00:00
Anders Carlsson 98981b10c8 Replace a couple of Builder.CreateICmpEQ with Builder.CreateIsNull. No functionality change. 
llvm-svn: 129261
 2011-04-11 00:30:07 +00:00
Eli Friedman 554eba9c08 PR9669: implement correct checking for [dcl.init.string]p2. 
llvm-svn: 129260
 2011-04-11 00:23:45 +00:00