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30074 Commits

Author SHA1 Message Date
Dan Gohman
bda1bacf36 Fix some typos in a comment. 
llvm-svn: 76249
 2009-07-17 22:16:21 +00:00
Evan Cheng
67ccedff04 Fix x86 inline ams 'q' constraint support. In 32-bit mode, it's just like 'Q', i.e. EAX, EDX, ECX, EBX. In 64-bit mode, it just means all the i64r registers. Yeah, that makes sense. 
llvm-svn: 76248
 2009-07-17 22:13:25 +00:00
Chris Lattner
7cf9653432 remove AsmPrinter::findGlobalValue, just use Value::stripPointerCasts instead. 
llvm-svn: 76246
 2009-07-17 22:00:23 +00:00
Dan Gohman
c639ee66f0 Add a GEPOperator class, and move the hasNoPointerOverflow 
accessors into it.

llvm-svn: 76245
 2009-07-17 21:33:58 +00:00
Evan Cheng
51593b91d9 Simplify some more. 
llvm-svn: 76239
 2009-07-17 21:06:58 +00:00
Chris Lattner
e824b863e5 Use more terse and precise linkage checks. 
llvm-svn: 76237
 2009-07-17 21:00:50 +00:00
Dan Gohman
16335bfc09 Eliminate yet another copy of getOpcode. 
llvm-svn: 76236
 2009-07-17 20:58:59 +00:00
Chris Lattner
b6cede976e these two pieces of code are the same because we always 
emit the EHFrame label next to the section_eh_frame and
eh_frame_common labels.

llvm-svn: 76234
 2009-07-17 20:53:51 +00:00
Dan Gohman
2ca0f65c30 Fix a typo that Duncan spotted. 
llvm-svn: 76233
 2009-07-17 20:51:47 +00:00
Dan Gohman
25a722cc45 Add a new Operator class, for handling Instructions and ConstantExprs 
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.

llvm-svn: 76232
 2009-07-17 20:47:02 +00:00
Chris Lattner
ffe0c407be Untangle a snarl that I discovered when updating the mangler, 
starting in getCurrentFunctionEHName.  Among other problems,
we would try to privative a "foo.eh" label, but end up emitting
the label as _Lfoo.eh instead of L_foo.eh on darwin.  This is really
bad, and the linker has always tolerated these labels existing.
For now, just emit them as _foo.eh.

This patch also fixes problems with ".eh" labels on unnamed
functions and eliminates two strangely defined TargetAsmInfo
hooks.

llvm-svn: 76231
 2009-07-17 20:46:40 +00:00
Daniel Dunbar
de011196a4 Sketch support for target specific assembly parser. 
- Not fully enabled yet, need a configure regeneration.

llvm-svn: 76230
 2009-07-17 20:42:00 +00:00
Mikhail Glushenkov
d44eba5166 Trailing whitespace. 
llvm-svn: 76229
 2009-07-17 20:38:17 +00:00
Chris Lattner
1cb7dceb60 fix include guard. 
llvm-svn: 76228
 2009-07-17 20:32:07 +00:00
Evan Cheng
ba5b67f66d Simplify the coalescer (finally!) by making LiveIntervals::processImplicitDefs a little more aggressive and teaching liveintervals to make use of isUndef marker on MachineOperands. 
llvm-svn: 76223
 2009-07-17 19:43:40 +00:00
Dan Gohman
56e00a404f GetElementPtr instructions default to having no overflow. 
llvm-svn: 76222
 2009-07-17 19:23:21 +00:00
Daniel Dunbar
cff1fabab5 Start generating AsmMatcher.inc for X86. 
llvm-svn: 76213
 2009-07-17 18:55:26 +00:00
Jeffrey Yasskin
1669f312b5 r76102 added the MachineCodeEmitter::processDebugLoc call and called it from 
the X86 Emitter.  This patch extends that to the rest of the targets that can
write to a MachineCodeEmitter: ARM, Alpha, and PPC.

llvm-svn: 76211
 2009-07-17 18:49:39 +00:00
Daniel Dunbar
cfd362eb0e Fix compile warning. 
llvm-svn: 76210
 2009-07-17 18:33:52 +00:00
Anton Korobeynikov
fbac44c040 Add missed return 
llvm-svn: 76209
 2009-07-17 18:28:59 +00:00
Anton Korobeynikov
60f7bd3562 Add support for naked functions 
llvm-svn: 76198
 2009-07-17 18:07:26 +00:00
Bruno Cardoso Lopes
ddd0013bb6 revert one of the loops to use indicies over iterators because there are vector insertions inside the loop 
llvm-svn: 76195
 2009-07-17 18:02:30 +00:00
Dan Gohman
67f2b7d376 Add a SubclassOptionalData field to Value. See the doxygen comment for 
details.

llvm-svn: 76189
 2009-07-17 17:16:59 +00:00
Daniel Dunbar
8ce5e03431 Initialize another Context, in the hopes of unbreaking CBE. 
llvm-svn: 76184
 2009-07-17 16:20:23 +00:00
Daniel Dunbar
dc9438e8d9 Provide slightly more refined error message when trying to lookup a target, and 
none are registered.

llvm-svn: 76181
 2009-07-17 15:50:49 +00:00
David Greene
70e8a51127 Add logic to align instruction operands to columns for pretty-printing. 
No target uses this currently.  This patch only adds the mechanism so
that local installations can choose to enable this.

llvm-svn: 76177
 2009-07-17 14:24:46 +00:00
Duncan Sands
d1b273609e Avoid a compiler warning when assertions are turned off. 
llvm-svn: 76176
 2009-07-17 12:25:14 +00:00
Eli Friedman
6e61f56a5c Oops, accidentally set a legal operation to expand. 
llvm-svn: 76165
 2009-07-17 07:34:23 +00:00
Eli Friedman
b946eb988f Expand misc operations from test/CodeGen/Generic. 
llvm-svn: 76163
 2009-07-17 07:28:06 +00:00
Eli Friedman
93d9c9f85f Handle void in XCoreTargetLowering::isLegalAddressingMode. Triggers in 
test/CodeGen/Generic.

llvm-svn: 76162
 2009-07-17 07:16:38 +00:00
Eli Friedman
7c72917709 Remove some unnecessary expansion markings. Add a few expansion 
markings that show up in test/CodeGen/Generic.

llvm-svn: 76160
 2009-07-17 07:03:00 +00:00
Eli Friedman
98a65107b3 Add operation expansion/promotion for a bunch of operations, many of 
which show up in test/CodeGen/Generic.

llvm-svn: 76158
 2009-07-17 06:36:24 +00:00
Evan Cheng
490d2cc5a4 Fix tSUBspi operand definition. It reads and writes sp, which is a high register. 
llvm-svn: 76155
 2009-07-17 05:43:12 +00:00
Eli Friedman
12bf15280b Set an operation expansion, noticed while running 
llc over test/CodeGen/Generic with -march=alpha.

llvm-svn: 76154
 2009-07-17 05:23:03 +00:00
Eli Friedman
fde598545c Make promotion in operation legalization for SETCC work correctly. 
llvm-svn: 76153
 2009-07-17 05:16:04 +00:00
Eli Friedman
b56b3ca224 Replace isTrapping with a new, similar method called 
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.

llvm-svn: 76150
 2009-07-17 04:28:42 +00:00
Eli Friedman
6be9680238 One more operation expansion for MIPS, from test/CodeGen/Generic. 
llvm-svn: 76149
 2009-07-17 04:07:24 +00:00
Daniel Dunbar
f988544dcf Make sure CWriter's Context get's initialized. 
llvm-svn: 76147
 2009-07-17 03:43:21 +00:00
Eli Friedman
48510f16fb Expand a bunch of illegal operations on MIPS (found by 
inspection and running over CodeGen/Generic).

llvm-svn: 76146
 2009-07-17 02:28:12 +00:00
Daniel Dunbar
fd7e588f92 Fix 'may be used uninitialized' warning. 
- Anton, please review.

llvm-svn: 76144
 2009-07-17 02:19:26 +00:00
Evan Cheng
9a2f6c2a99 Fix my brain cramp by inverting the assertion condition. 
llvm-svn: 76131
 2009-07-17 00:32:06 +00:00
Jeffrey Yasskin
5509582ad0 Fix "no newline at end of file" warning from gcc. 
llvm-svn: 76127
 2009-07-16 23:58:14 +00:00
Owen Anderson
1c2b8cc518 Privatize the MDNode uniquing table. 
llvm-svn: 76126
 2009-07-16 23:44:30 +00:00
Anton Korobeynikov
dc39f4fff8 Emit cross regclass register moves for thumb2. 
Minor code duplication cleanup.

llvm-svn: 76124
 2009-07-16 23:26:06 +00:00
Daniel Dunbar
cd1a8581ee Disable this assert for now, it is firing on an llvm-gcc bootstrap. :( 
llvm-svn: 76123
 2009-07-16 23:02:46 +00:00
Evan Cheng
e9dc6cf3b1 GV with ghost linkage (module being lazily streamed in in JIT lazy compilation mode) do not require extra load from stub. This fixes ExecutionEngine/2005-12-02-TailCallBug.ll. 
llvm-svn: 76121
 2009-07-16 22:53:10 +00:00
Dale Johannesen
e08bda67c2 Assume an inline asm might be a call, so we get 
stack alignment right when it is.  This is not
ideal but conservatively correct.  Adjust a test
to compensate for changed stack offset value.
gcc.apple/asm-block-57.c

llvm-svn: 76120
 2009-07-16 22:34:45 +00:00
David Greene
a2c98dd402 Emit line numbers in asm comments when available. 
llvm-svn: 76117
 2009-07-16 22:24:20 +00:00
Owen Anderson
476adb2e49 Privatize the MDString uniquing table. 
llvm-svn: 76113
 2009-07-16 22:11:26 +00:00
Daniel Dunbar
7a21e4c812 Fix inverted preprocessor conditional. 
llvm-svn: 76111
 2009-07-16 22:08:25 +00:00
Daniel Dunbar
46c27aaf02 Fix compiler warning (for -Asserts). 
llvm-svn: 76110
 2009-07-16 22:06:22 +00:00
Jakob Stoklund Olesen
c438f0ecfa Silence warning in Linux builds: 
X86InstrInfo.cpp:2272: warning: suggest explicit braces to avoid ambiguous 'else'

llvm-svn: 76105
 2009-07-16 21:24:13 +00:00
Daniel Dunbar
276e4a7a7d Add raw_null_ostream and llvm::nulls(), a raw_ostream that discards output. 
- No functionality change.

llvm-svn: 76103
 2009-07-16 21:17:53 +00:00
Jeffrey Yasskin
a4b7ea7485 Add line numbers to OProfile. To do this, I added a processDebugLoc() 
call to the MachineCodeEmitter interface and made copying the start
line of a function not conditional on whether we're emitting Dwarf
debug information. I'll propagate the processDebugLoc() calls to the
non-X86 targets in a followup patch.

In the long run, it'll probably be better to gather this information
through the DwarfWriter, but the DwarfWriter currently depends on the
AsmPrinter and TargetAsmInfo, and fixing that would be out of the way
for this patch.

There's a bug in OProfile 0.9.4 that makes it ignore line numbers for
addresses above 4G, and a patch fixing it at
http://thread.gmane.org/gmane.linux.oprofile/7634

Sample output:

$ sudo opcontrol --reset; sudo opcontrol --start-daemon; sudo opcontrol --start; `pwd`/Debug/bin/lli fib.bc; sudo opcontrol --stop
Signalling daemon... done
Profiler running.
fib(40) == 165580141
Stopping profiling.

$ opreport -g -d -l `pwd`/Debug/bin/lli|head -60
Overflow stats not available
CPU: Core 2, speed 1998 MHz (estimated)
Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000
vma      samples  %        linenr info                 image name               symbol name
00007f67a30370b0 25489    61.2554  fib.c:24                    10946.jo                 fib_left
  00007f67a30370b0 1634      6.4106  fib.c:24
  00007f67a30370b1 83        0.3256  fib.c:24
  00007f67a30370b9 1997      7.8348  fib.c:24
  00007f67a30370c6 2080      8.1604  fib.c:27
  00007f67a30370c8 988       3.8762  fib.c:27
  00007f67a30370cd 1315      5.1591  fib.c:27
  00007f67a30370cf 251       0.9847  fib.c:27
  00007f67a30370d3 1191      4.6726  fib.c:27
  00007f67a30370d6 975       3.8252  fib.c:27
  00007f67a30370db 1010      3.9625  fib.c:27
  00007f67a30370dd 242       0.9494  fib.c:27
  00007f67a30370e1 2782     10.9145  fib.c:28
  00007f67a30370e5 3768     14.7828  fib.c:28
  00007f67a30370eb 615       2.4128  (no location information)
  00007f67a30370f3 6558     25.7287  (no location information)
00007f67a3037100 15603    37.4973  fib.c:29                    10946.jo                 fib_right
  00007f67a3037100 1646     10.5493  fib.c:29
  00007f67a3037101 45        0.2884  fib.c:29
  00007f67a3037109 2372     15.2022  fib.c:29
  00007f67a3037116 2234     14.3178  fib.c:32
  00007f67a3037118 612       3.9223  fib.c:32
  00007f67a303711d 622       3.9864  fib.c:32
  00007f67a303711f 385       2.4675  fib.c:32
  00007f67a3037123 404       2.5892  fib.c:32
  00007f67a3037126 634       4.0633  fib.c:32
  00007f67a303712b 870       5.5759  fib.c:32
  00007f67a303712d 62        0.3974  fib.c:32
  00007f67a3037131 1848     11.8439  fib.c:33
  00007f67a3037135 2840     18.2016  fib.c:33
  00007f67a303713a 1         0.0064  fib.c:33
  00007f67a303713b 1023      6.5564  (no location information)
  00007f67a3037143 5         0.0320  (no location information)
000000000080c1e4 15        0.0360  MachineOperand.h:150        lli                      llvm::MachineOperand::isReg() const
  000000000080c1e4 6        40.0000  MachineOperand.h:150
  000000000080c1ec 2        13.3333  MachineOperand.h:150
...

llvm-svn: 76102
 2009-07-16 21:07:26 +00:00
Jakob Stoklund Olesen
4a0d996780 Teach MachineInstr::isRegTiedToDefOperand() to correctly parse inline asm operands. 
The inline asm operands must be parsed from the first flag, you cannot assume
that an immediate operand preceeding a register use operand is the flag.
PowerPC "m" operands are represented as (flag, imm, reg) triples.
isRegTiedToDefOperand() would incorrectly interpret the imm as the flag.

llvm-svn: 76101
 2009-07-16 20:58:34 +00:00
Evan Cheng
981276bb16 Changed my mind. We now allow remat of instructions whose defs have subreg indices. 
llvm-svn: 76100
 2009-07-16 20:15:00 +00:00
Owen Anderson
c63b0e7a30 Privatize the ConstantFP table. I'm on a roll! 
llvm-svn: 76097
 2009-07-16 19:05:41 +00:00
Evan Cheng
39e5f6205a With recent MC changes, RIP base register is explicitly modeled. Make sure we add it when x86 V_SET0 / V_SETALLONES (by transforming it into a constpool load) into the use instruction. 
llvm-svn: 76094
 2009-07-16 18:44:05 +00:00
Ted Kremenek
5d9cbfd392 Update CMake file. 
llvm-svn: 76093
 2009-07-16 18:29:22 +00:00
Owen Anderson
21d2d69727 Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in 
our current context-passing stuff, which is also fixed here

llvm-svn: 76089
 2009-07-16 18:04:31 +00:00
Kevin Enderby
f641ecc6e8 Removed the SubsectionsViaSymbols MCStreamer API and replaced it with a generic 
EmitAssemblerFlag API which takes a value from the added AssemblerFlag
enumerated constants.

llvm-svn: 76087
 2009-07-16 17:56:39 +00:00
Dan Gohman
50e65d8c93 Fill in some holes in ScalarEvolution's loop iteration condition 
analysis. This allows indvars to emit a simpler loop trip count
expression.

llvm-svn: 76085
 2009-07-16 17:34:36 +00:00
Dan Gohman
69d03cf2ee Add an isLoopSimplifyForm() predicate, following the example of 
isLCSSAForm(), to test whether a loop is in the form guaranteed
by the LoopSimplify pass.

llvm-svn: 76077
 2009-07-16 16:16:23 +00:00
Dan Gohman
0bcfcaa96c Use size_t. 
llvm-svn: 76069
 2009-07-16 15:24:40 +00:00
Anton Korobeynikov
c66cf22284 Unbreak 
llvm-svn: 76064
 2009-07-16 14:36:52 +00:00
Anton Korobeynikov
3e8bb65ec8 Temporary disable 16 bit bswap 
llvm-svn: 76063
 2009-07-16 14:35:57 +00:00
Anton Korobeynikov
94e21c8740 Add instruction formats and few opcodes 
llvm-svn: 76062
 2009-07-16 14:35:20 +00:00
Anton Korobeynikov
e11a89ba74 Add bswap patterns 
llvm-svn: 76061
 2009-07-16 14:34:52 +00:00
Anton Korobeynikov
6c622a4547 Provide crazy pseudos for regpairs spills / reloads 
llvm-svn: 76060
 2009-07-16 14:34:15 +00:00
Anton Korobeynikov
c5e948c021 Handle long-disp stuff more consistently 
llvm-svn: 76059
 2009-07-16 14:33:52 +00:00
Anton Korobeynikov
d9c48cfd00 All FP instructions have 12 bit memory displacement field 
llvm-svn: 76058
 2009-07-16 14:33:27 +00:00
Anton Korobeynikov
e1bf81893d Another predicate routine 
llvm-svn: 76057
 2009-07-16 14:33:01 +00:00
Anton Korobeynikov
605ebc2c3c More helpers 
llvm-svn: 76056
 2009-07-16 14:32:41 +00:00
Anton Korobeynikov
014ce79e73 Add bunch of branch folding stuff 
llvm-svn: 76055
 2009-07-16 14:32:19 +00:00
Anton Korobeynikov
918a93419c Add missed opcodes to short => long displacement conversion 
llvm-svn: 76054
 2009-07-16 14:31:52 +00:00
Anton Korobeynikov
08d9f6b882 Cleanup 
llvm-svn: 76053
 2009-07-16 14:31:32 +00:00
Anton Korobeynikov
94f250ff30 Fix logic inversion for RI-mode address selection 
llvm-svn: 76052
 2009-07-16 14:31:14 +00:00
Anton Korobeynikov
373515d99e Expand 32-bit bitconverts via memory 
llvm-svn: 76050
 2009-07-16 14:30:29 +00:00
Anton Korobeynikov
080bdae588 Fix incomin arg stack frame offset in case we need to generate stack frame 
llvm-svn: 76049
 2009-07-16 14:29:57 +00:00
Anton Korobeynikov
c84e2bb30e Fix instruction mnemonics for some fp_to_sint operations 
llvm-svn: 76048
 2009-07-16 14:29:26 +00:00
Anton Korobeynikov
74497b2190 i32 values are passed extended also on stack. Handle this in generic way 
llvm-svn: 76047
 2009-07-16 14:29:05 +00:00
Anton Korobeynikov
319dc4e8d3 We definitely have 1-0 bools 
llvm-svn: 76046
 2009-07-16 14:28:46 +00:00
Anton Korobeynikov
2e8f54d16d Revert the commit, it just hides the real bug 
llvm-svn: 76045
 2009-07-16 14:28:26 +00:00
Anton Korobeynikov
0276bc9176 Out GR128 regclass is not a 'real' i128 one. 
llvm-svn: 76044
 2009-07-16 14:27:53 +00:00
Anton Korobeynikov
690fef7849 Add missed condbranch opcodes 
llvm-svn: 76043
 2009-07-16 14:27:26 +00:00
Anton Korobeynikov
4181716247 Handle bitconverts 
llvm-svn: 76042
 2009-07-16 14:27:01 +00:00
Anton Korobeynikov
60427c0b64 Unbreak mvi and friends - emit only 'significant' part of the operand 
llvm-svn: 76041
 2009-07-16 14:26:38 +00:00
Anton Korobeynikov
ff6d84fd85 Expand fp_to_uint too 
llvm-svn: 76040
 2009-07-16 14:26:06 +00:00
Anton Korobeynikov
da480ca78d We don't have FP truncstores 
llvm-svn: 76039
 2009-07-16 14:25:46 +00:00
Anton Korobeynikov
7ea47e70b3 Expand uint_to_fp 
llvm-svn: 76038
 2009-07-16 14:25:30 +00:00
Anton Korobeynikov
117e7a7179 Emit proper rounding mode for fp_to_sint 
llvm-svn: 76037
 2009-07-16 14:25:12 +00:00
Anton Korobeynikov
61bf5c13c4 f32/f64 regs are stored on stack if we're short in FP regs 
llvm-svn: 76036
 2009-07-16 14:24:57 +00:00
Anton Korobeynikov
bbf0fe2a76 Lower anyext to zext, 32-bit stuff does not have any implicit zero-extension side effects 
llvm-svn: 76035
 2009-07-16 14:24:41 +00:00
Anton Korobeynikov
886e977c69 Make FP zero to be legal FP immediate via LOAD ZERO 
llvm-svn: 76034
 2009-07-16 14:24:16 +00:00
Anton Korobeynikov
2474b40557 Loads are not two-address in any way 
llvm-svn: 76033
 2009-07-16 14:24:01 +00:00
Anton Korobeynikov
e45c7cb554 Add LOAD NEGATIVE instruction 
llvm-svn: 76032
 2009-07-16 14:23:44 +00:00
Anton Korobeynikov
d12e7875c9 LOAD COMPLEMENT instruction is not really two-addr 
llvm-svn: 76031
 2009-07-16 14:23:30 +00:00
Anton Korobeynikov
f8ac41d531 Add multiple add/sub instructions 
llvm-svn: 76030
 2009-07-16 14:23:16 +00:00
Anton Korobeynikov
df2f045667 Handle FP callee-saved regs 
llvm-svn: 76029
 2009-07-16 14:23:01 +00:00
Anton Korobeynikov
b90a38d00d Proper FP extloads 
llvm-svn: 76028
 2009-07-16 14:22:46 +00:00