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11b49ed2ce
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8768 Commits

Author SHA1 Message Date
Chris Lattner
11b49ed2ce add an API so target-independent codegen can determine if a constant 
pool entry will require relocations against it.  I implemented this
conservatively for ARM, someone who is knowledgable about it should
see if this can be improved.

llvm-svn: 76678
 2009-07-21 23:34:23 +00:00
Dan Gohman
8577dd4cca Permit the IntPtrTy argument to isEliminableCastPair to be null, 
to help support use when TargetData is not available.

llvm-svn: 76675
 2009-07-21 23:19:40 +00:00
Bruno Cardoso Lopes
3483574772 Change ELFCodeEmitter logic to emit the constant pool and jump tables to 
their appropriate sections before the code itself. They need to be emitted
before the function because on some targets (x86 but not x86_64) the later
may reference a JT or CP entry address

llvm-svn: 76672
 2009-07-21 23:13:26 +00:00
Dan Gohman
190d29cb5c Replace the original ad-hoc code for determining whether (v pred w) implies 
(x pred y) with more thorough code that does more complete canonicalization
before resorting to range checks. This helps it find more cases where
the canonicalized expressions match.

llvm-svn: 76671
 2009-07-21 23:03:19 +00:00
Chris Lattner
b52c8153f3 make some stuff private. 
llvm-svn: 76661
 2009-07-21 22:30:39 +00:00
Chris Lattner
8e84f6e70e improve comments. 
llvm-svn: 76660
 2009-07-21 22:30:25 +00:00
Daniel Dunbar
338e478c65 Add missing include 
llvm-svn: 76655
 2009-07-21 21:33:58 +00:00
Chris Lattner
8d061f011b inline a trivial method into its only call site and fix indentation of cases 
llvm-svn: 76654
 2009-07-21 21:29:08 +00:00
Chris Lattner
4815d4919c Remove some overridden functions in XCoreTargetAsmInfo that are 
implemented exactly the same way as its ELFTargetAsmInfo subclass 
has them.

llvm-svn: 76653
 2009-07-21 21:26:32 +00:00
Chris Lattner
135caf1a2b revert r76602, 76603, and r76615, pending design discussions. 
llvm-svn: 76646
 2009-07-21 21:12:58 +00:00
Owen Anderson
a8637e9824 Privatize the ConstantArray table. 
llvm-svn: 76639
 2009-07-21 20:55:28 +00:00
Owen Anderson
bdcb99324a Privatize the first of the value maps. 
llvm-svn: 76634
 2009-07-21 20:13:12 +00:00
Eli Friedman
45160af6bd Remove shift amount flavor. It isn't actually complete enough to 
be useful, and it's currently unused.  (Some issues: it isn't actually 
rich enough to capture the semantics on many architectures, and
semantics can vary depending on the type being shifted.)

llvm-svn: 76633
 2009-07-21 20:12:16 +00:00
David Greene
94bfedaf40 Prefix IR dumps with LiveInterval indices when possible. This turns 
this:

	%ESI<def> = MOV32rr %EDI<kill>
	ADJCALLSTACKDOWN64 0, %RSP<imp-def>, %EFLAGS<imp-def,dead>, %RSP<imp-use>
	%reg1027<def> = MOVZX64rr32 %ESI
	%reg1027<def> = ADD64ri8 %reg1027, 15, %EFLAGS<imp-def,dead>
	%reg1027<def> = AND64ri8 %reg1027, -16, %EFLAGS<imp-def,dead>
	%RDI<def> = MOV64rr %RSP
	%RDI<def> = SUB64rr %RDI, %reg1027<kill>, %EFLAGS<imp-def,dead>
	%RSP<def> = MOV64rr %RDI

into this:

4	%reg1024<def> = MOV32rr %EDI<kill>
12	ADJCALLSTACKDOWN64 0, %RSP<imp-def>, %EFLAGS<imp-def,dead>, %RSP<imp-use>
20	%reg1025<def> = MOVZX64rr32 %reg1024
28	%reg1026<def> = MOV64rr %reg1025<kill>
36	%reg1026<def> = ADD64ri8 %reg1026, 15, %EFLAGS<imp-def,dead>
44	%reg1027<def> = MOV64rr %reg1026<kill>
52	%reg1027<def> = AND64ri8 %reg1027, -16, %EFLAGS<imp-def,dead>
60	%reg1028<def> = MOV64rr %RSP
68	%reg1029<def> = MOV64rr %reg1028<kill>
76	%reg1029<def> = SUB64rr %reg1029, %reg1027<kill>, %EFLAGS<imp-def,dead>
84	%RSP<def> = MOV64rr %reg1029

This helps greatly when debugging register allocation and coalescing
problems.

llvm-svn: 76615
 2009-07-21 18:56:32 +00:00
Chris Lattner
3d4ab7a231 make AsmPrinter::doFinalization iterate over the global variables 
and call PrintGlobalVariable, allowing elimination and simplification
of various targets.

llvm-svn: 76604
 2009-07-21 18:38:57 +00:00
David Greene
979d7aa03a Add PrefixPrinter arguments to the dump routines for MachineFunction and 
MachineBasicBlock.  We'll use these shortly.

llvm-svn: 76603
 2009-07-21 18:27:05 +00:00
David Greene
710a405072 Add a small utility class to configure IR printers. This will allow 
printers to do neat and wonderful things when printing debug
information.  The ideas is to allow passes to configer printers to emit
pass-specific information when dumping IR.

llvm-svn: 76602
 2009-07-21 18:21:46 +00:00
Owen Anderson
7f61f8dc30 Rename getConstantInt{True|False} to get{True|False} at Chris' behest. 
llvm-svn: 76598
 2009-07-21 18:03:38 +00:00
Torok Edwin
4d8202474c Add freed memory poisoning in !NDEBUG mode for DenseMap. 
llvm-svn: 76597
 2009-07-21 18:01:37 +00:00
Chris Lattner
0f65fbf095 Rename LessPrivateGlobalPrefix -> LinkerPrivateGlobalPrefix to match the 
LLVM IR concept.

llvm-svn: 76590
 2009-07-21 17:30:51 +00:00
Daniel Dunbar
7532049775 Move StringRef comparison operators out of class. 
Also, tweak the return type of size().

llvm-svn: 76588
 2009-07-21 17:25:46 +00:00
Daniel Dunbar
30c92a0aee Add StringRef::{substr, startswith}. 
llvm-svn: 76559
 2009-07-21 09:18:49 +00:00
Daniel Dunbar
8ab30670cc Add StringRef class, with fixes. 
llvm-svn: 76543
 2009-07-21 07:28:51 +00:00
Owen Anderson
b64eef73cf Move a bit more state over to the LLVMContext. 
llvm-svn: 76533
 2009-07-21 02:47:59 +00:00
David Greene
1ac6d4ac0e Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes 
next.

llvm-svn: 76486
 2009-07-20 22:02:59 +00:00
Dan Gohman
d2ad3e183b Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.

llvm-svn: 76475
 2009-07-20 21:19:07 +00:00
Dan Gohman
6f1417c7d0 Clarify that OverflowingBinaryOperator is not used for SDiv, even though 
SDiv is a binary operation that can overflow.

llvm-svn: 76464
 2009-07-20 20:32:43 +00:00
Kevin Enderby
f1c0daa6a7 Removed the DumpSymbolsandMacros and LoadSymbolsandMacros MCStreamer API as 
the parsing of the .dump and .load should be done in the assembly parser and
not have any need for an MCStreamer API.  Changed the code for now so these
just produce an error saying these specific directives are not yet implemented
since they are likely no longer used and may never need to be implemented.

llvm-svn: 76462
 2009-07-20 20:25:37 +00:00
Daniel Dunbar
2e4aeceacd Add MCAsmLexer interface. 
- This provides the AsmLexer interface to the target specific assembly parsers.

llvm-svn: 76460
 2009-07-20 20:01:54 +00:00
Eli Friedman
2f54456ce5 Remove FIXME that was already fixed. 
llvm-svn: 76457
 2009-07-20 19:45:16 +00:00
Bill Wendling
0407ebb4f7 Rename Mangler linkage enums to something less gross. 
llvm-svn: 76456
 2009-07-20 19:41:27 +00:00
Daniel Dunbar
fca75cd98e Add MCAsmParser interface. 
- This provides the AsmParser interface to the target specific assembly
   parsers.

llvm-svn: 76453
 2009-07-20 18:55:04 +00:00
Chris Lattner
1f82d9a94c remove TargetAsmInfo::ExpandInlineAsm 
llvm-svn: 76445
 2009-07-20 17:59:32 +00:00
Chris Lattner
72b24cbbf6 Copy ExpandInlineAsm to TargetLowering from TargetAsmInfo. 
llvm-svn: 76441
 2009-07-20 17:51:36 +00:00
Dan Gohman
d0a2cef334 Drop UDivOperator and introduce SDivOperator. Thanks to Chris 
for noticing this.

llvm-svn: 76440
 2009-07-20 17:51:10 +00:00
Chris Lattner
eebe4b24c3 add some fixme's and cleanups. TargetAsmInfo shouldn't depend on VMCore eventually. 
llvm-svn: 76439
 2009-07-20 17:47:48 +00:00
Dan Gohman
00b05492f1 Revert the addition of hasNoPointerOverflow to GEPOperator. 
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.

llvm-svn: 76437
 2009-07-20 17:43:30 +00:00
Chris Lattner
eea9732c93 remove dead forward decl 
llvm-svn: 76433
 2009-07-20 17:23:00 +00:00
Chris Lattner
19134c0748 rename TargetAsmInfo::getASDirective -> getDataASDirective 
llvm-svn: 76431
 2009-07-20 17:12:46 +00:00
Daniel Dunbar
7c421ed7af Fix comment. 
llvm-svn: 76427
 2009-07-20 16:50:16 +00:00
David Greene
5144b046cc Hide the DOUT static variable behind a function interface. 
llvm-svn: 76425
 2009-07-20 16:16:06 +00:00
Bruno Cardoso Lopes
b47b093de2 For PC relative relocations where symbols are defined in the same section they 
are referenced, ignore the relocation entry and patch the relocatable field with
the computed symbol offset directly

llvm-svn: 76414
 2009-07-20 08:52:02 +00:00
Chris Lattner
eac40b1473 implement a new magic global "llvm.compiler.used" which is like llvm.used, but 
doesn't cause ".no_dead_strip" to be emitted on darwin.

llvm-svn: 76399
 2009-07-20 06:14:25 +00:00
Bill Wendling
1a10a060cb Add plumbing for the `linker_private' linkage type. This type is meant for 
"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.

llvm-svn: 76385
 2009-07-20 01:03:30 +00:00
Daniel Dunbar
0686bcbe91 Remove redundant qualifiers. 
llvm-svn: 76357
 2009-07-19 01:42:34 +00:00
Bruno Cardoso Lopes
84568ea6f1 Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions 
llvm-svn: 76347
 2009-07-18 23:24:01 +00:00
Daniel Dunbar
cf7334116f Add some missing includes. 
llvm-svn: 76346
 2009-07-18 23:22:46 +00:00
Mikhail Glushenkov
1c0854b913 Add a Program::GetPid() method. 
llvm-svn: 76341
 2009-07-18 21:43:40 +00:00
Mikhail Glushenkov
583e23d726 Remove duplication in Program::Execute{And,No}Wait. 
Implemented by moving the code out of static functions into methods of Program
class.

llvm-svn: 76340
 2009-07-18 21:43:12 +00:00
Bruno Cardoso Lopes
fc0fe7ea20 Use a better name for the label relocations while emitting them for Jump Tables 
llvm-svn: 76334
 2009-07-18 20:52:11 +00:00