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5199 Commits

Author SHA1 Message Date
Dale Johannesen
e1ba7ecf45 Revert 93811 per request. 
llvm-svn: 93818
 2010-01-19 00:10:52 +00:00
Dale Johannesen
0b8b2713d3 Enable code to emit dbg.declare as DEBUG_VALUE 
comments (fast isel, X86).  This doesn't seem
to break any functionality, but will introduce
cases where -g affects the generated code.  I'll
be fixing that.

llvm-svn: 93811
 2010-01-18 23:34:55 +00:00
Bill Wendling
58d26c105b - Add getLSDAEncoding to the PowerPC backend. 
- Greatly improve the comments to the getLSDAEncoding method.

llvm-svn: 93796
 2010-01-18 22:36:35 +00:00
Eric Christopher
f599e07003 Have FastISel handle llvm.trap(). 
llvm-svn: 93781
 2010-01-18 22:11:29 +00:00
Bill Wendling
db47c10171 Add FIXME comment. 
llvm-svn: 93755
 2010-01-18 19:47:53 +00:00
Bill Wendling
5678a9711b - Add a comment to the callback indicating that it's *extremely* not a good 
idea, but unfortunately necessary.
- Default to using 4-bytes for the LSDA pointer encoding to agree with the
  encoded value in the CIE.

llvm-svn: 93753
 2010-01-18 19:36:27 +00:00
Chris Lattner
40f9b01ab5 switch x86 zerofill emission over to use MCStreamer. 
llvm-svn: 93702
 2010-01-18 01:21:08 +00:00
Chris Lattner
d7bd67fa61 Change CurrentFnSym to be a non-const pointer since asmprinter mutates it 
as it emits code.  Switch .globl directives to use OutStreamer instead of
doing it textually (in x86)

llvm-svn: 93700
 2010-01-18 00:59:24 +00:00
Chris Lattner
86287085ba remove the MAI argument to MCExpr::print and switch overthing to use << when printing them. 
llvm-svn: 93699
 2010-01-18 00:37:40 +00:00
Chris Lattner
a1bd99bd92 unbreak x86 jump tables with my previous patch. 
llvm-svn: 93698
 2010-01-18 00:21:06 +00:00
Chris Lattner
6f360c3c91 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
 2010-01-17 21:43:43 +00:00
Chris Lattner
51e8abe640 move the mangler into libtarget from vmcore. 
llvm-svn: 93664
 2010-01-16 21:57:06 +00:00
Chris Lattner
31aea3db21 rename GetPrivateGlobalValueSymbolStub -> GetSymbolWithGlobalValueBase, 
and add an explicit ForcePrivate argument.

Switch FunctionEHFrameInfo to be MCSymbol based instead of string based.

llvm-svn: 93646
 2010-01-16 18:37:32 +00:00
Bill Wendling
d78fcdd332 Retrying r91337: 
The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE for some platforms. Allow
individual platforms to decide for themselves.

llvm-svn: 93616
 2010-01-16 01:40:55 +00:00
Chris Lattner
ea72cfbd42 eliminate uses of mangler and simplify code. 
llvm-svn: 93615
 2010-01-16 01:40:07 +00:00
Chris Lattner
ff1a508835 eliminate uses of deprecated mangler apis 
llvm-svn: 93605
 2010-01-16 01:00:27 +00:00
Chris Lattner
cbe9fe90bd switch X86 target off CurFunctionName and MCIze more. 
Note that the code wasn't calling DecorateCygMingName
when emitting the ".ascii -export" stuff at the end of
file for DLLExported functions.  I don't know if it should
or not, but I'm preserving behavior.

llvm-svn: 93603
 2010-01-16 00:51:39 +00:00
Chris Lattner
0bb1df70ef MCize tis, and make it keep CurrentFnSym up to date with CurrentFnName. 
llvm-svn: 93598
 2010-01-16 00:32:38 +00:00
Chris Lattner
e76d575ca2 revert the x86 part of my last patch, cygwin is mutating CurrentFnName! 
llvm-svn: 93595
 2010-01-16 00:24:20 +00:00
Chris Lattner
40eb58664f MCize a bunch more stuff, eliminating a lot of uses of the mangler 
and CurrentFnName.

llvm-svn: 93594
 2010-01-16 00:21:18 +00:00
Dale Johannesen
9f30926cb7 Adjust some comments per review. 
llvm-svn: 93580
 2010-01-15 23:29:29 +00:00
David Greene
e52529d7cb Fix PR6019. A load has more than one use if it feeds a bitconvert that 
has more than one use.

llvm-svn: 93576
 2010-01-15 23:23:41 +00:00
Dale Johannesen
7a3b1c5ffc DEBUG_VALUE is now variable sized, as it has a 
target-dependent memory address representation in it.
Restore X86 printing of DEBUG_VALUE; lowering is
done in X86RegisterInfo using the normal algorithm.

llvm-svn: 93565
 2010-01-15 22:22:35 +00:00
Dan Gohman
7b9900094e Fix a typo that Anton noticed. 
llvm-svn: 93563
 2010-01-15 22:18:15 +00:00
Chris Lattner
d6b351119b fix a bug in range information for $42, eliminate an 
unneeded argument from ParseExpression.

llvm-svn: 93536
 2010-01-15 19:39:23 +00:00
Chris Lattner
e18762283a add range information for mem X86Operand's, now all 
X86Operand's have range info.

llvm-svn: 93535
 2010-01-15 19:33:43 +00:00
Chris Lattner
836cf5d129 extend MCAsmParser::ParseExpression and ParseParenExpression 
to return range information for subexpressions.  Use this to
provide range info for several new X86Operands.

llvm-svn: 93534
 2010-01-15 19:28:38 +00:00
Chris Lattner
fba7cf4b44 give X86Operand a ctor and start passing SMLoc's into it. 
llvm-svn: 93532
 2010-01-15 19:06:59 +00:00
Dale Johannesen
e3562c3fa2 Revert 93499. After discussion with Chris we agreed 
FrameIndexes should be lowered, but the same way as
everything else (target dependent) rather than in a
special hacked way.  The lowering needs to be done
for eventual purposes of Dwarf generation.

llvm-svn: 93530
 2010-01-15 18:58:14 +00:00
Chris Lattner
618f75b46e add range location info for registers, change 
X86Operand::Create* implementations to avoid
copy ctor use.

llvm-svn: 93528
 2010-01-15 18:51:29 +00:00
Chris Lattner
5d30d26a5d clean up the memory management of the operands. 
llvm-svn: 93526
 2010-01-15 18:44:13 +00:00
Chris Lattner
b032dc1768 refactor ParseRegister to avoid using X86Operand as a temporary 
datastructure when parsing a mem operand.

llvm-svn: 93521
 2010-01-15 18:27:19 +00:00
Dale Johannesen
12ae1f52c2 Lower FrameIndex operand of DEBUG_VALUE (specially) and 
print it as a comment on X86.

llvm-svn: 93499
 2010-01-15 01:54:55 +00:00
Chris Lattner
882cb240a6 Split the TargetAsmParser "ParseInstruction" interface in half: 
the new ParseInstruction method just parses and returns a list of
target operands.  A new MatchInstruction interface is used to
turn the operand list into an MCInst.

This requires new/deleting all the operands, but it also gives 
targets the ability to use polymorphic operands if they want to. 

llvm-svn: 93469
 2010-01-14 22:21:20 +00:00
Chris Lattner
ceabb11a5e prune #includes in TargetAsmParser.h 
Pass in SMLoc of instr opcode into ParseInstruction.
Make AsmToken be a class, not a struct.

llvm-svn: 93457
 2010-01-14 21:32:45 +00:00
Chris Lattner
001a94a0e3 introduce the MCParsedAsmOperand class. 
llvm-svn: 93454
 2010-01-14 21:20:55 +00:00
Chris Lattner
72a06499b3 this is an SSE-specific issue. 
llvm-svn: 93373
 2010-01-13 23:29:11 +00:00
Chris Lattner
0aa093dbdf X86 if conversion + tail merging issues from PR6032. 
llvm-svn: 93372
 2010-01-13 23:28:40 +00:00
Evan Cheng
98af245e5f For now, avoid issuing extract_subreg to reuse lower 8-bit, it's not safe in 32-bit. 
llvm-svn: 93307
 2010-01-13 08:01:32 +00:00
Chris Lattner
f2090cf7fd eliminate some uses of Mangler::makeNameProper. 
llvm-svn: 93305
 2010-01-13 07:56:59 +00:00
Chris Lattner
3c2fad1fc6 change Mangler::makeNameProper to return its result in a SmallVector 
instead of returning it in an std::string.  Based on this change:

1. Change TargetLoweringObjectFileCOFF::getCOFFSection to take a StringRef
2. Change a bunch of targets to call makeNameProper with a smallstring,
   making several of them *much* more efficient.
3. Rewrite Mangler::makeNameProper to not build names and then prepend
   prefixes, not use temporary std::strings, and to avoid other crimes.

llvm-svn: 93298
 2010-01-13 06:38:18 +00:00
Evan Cheng
76db3bb18e Add a quick pass to optimize sign / zero extension instructions. For targets where the pre-extension values are available in the subreg of the result of the extension, replace the uses of the pre-extension value with the result + extract_subreg. 
For now, this pass is fairly conservative. It only perform the replacement when both the pre- and post- extension values are used in the block. It will miss cases where the post-extension values are live, but not used.

llvm-svn: 93278
 2010-01-13 00:30:23 +00:00
Evan Cheng
bc0b06fb16 Eliminate or_not_add and just use AddedComplexity so isel tries or_is_add patterns first. 
llvm-svn: 93245
 2010-01-12 18:31:19 +00:00
Duncan Sands
395053f13a Revert commit 93204, since it causes the assembler to barf 
on x86-64 linux with messages like this:
Error: Incorrect register `%r14' used with `l' suffix

llvm-svn: 93242
 2010-01-12 17:46:16 +00:00
Duncan Sands
1c71358944 Fix typo. 
llvm-svn: 93235
 2010-01-12 08:30:46 +00:00
Duncan Sands
f558d05561 Tweak commit 91745, which changed target data for both Mingw and Cygwin, 
to not touch Cygwin: the change caused llvm-gcc build failures due to
long double getting the wrong size.  Patch by Aaron Gray.

llvm-svn: 93234
 2010-01-12 08:21:07 +00:00
Dan Gohman
51b3e804dc Reapply the MOV64r0 patch, with a fix: MOV64r0 clobbers EFLAGS. 
llvm-svn: 93229
 2010-01-12 04:42:54 +00:00
Evan Cheng
e5b545fd60 Add TargetInstrInfo::isCoalescableInstr. It returns true if the specified 
instruction is copy like where the source and destination registers can
overlap. This is to be used by the coalescable to coalesce the source and
destination registers of instructions like X86::MOVSX64rr32. Apparently
some crazy people believe the coalescer is too simple.

llvm-svn: 93210
 2010-01-12 00:09:37 +00:00
Evan Cheng
a93b476689 Add manual ISD::OR fastisel selection routines. TableGen is no longer autogen them after 93152 and 93191. 
llvm-svn: 93204
 2010-01-11 22:59:27 +00:00
Evan Cheng
bd938ebc90 Extend r93152 to work on OR r, r. If the source set bits are known not to overlap, then select as an ADD instead. 
llvm-svn: 93191
 2010-01-11 22:03:29 +00:00