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7648 Commits

Author SHA1 Message Date
Chris Lattner
6a66e585b8 add a horrible hack to the dwarf printer. It looks like mingw is not specifying 
an EHFrame section, so we just emit ehframe data into a random section.

This is clearly bad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79323 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 06:13:03 +00:00
Chris Lattner
1f50fc736e fix another bozo bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79313 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 04:34:36 +00:00
Chris Lattner
b49a30c109 fix accidentally inverted conditional and add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79312 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 04:33:15 +00:00
Chris Lattner
a006d4e60d turn this conditional into something humans might actually 
be able to understand ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 04:30:35 +00:00
Jim Grosbach
606f3d696f cleanups per review. Mostly cosmetic, plus use SmallVector in place of std::vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79287 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 21:40:03 +00:00
Jim Grosbach
2962664227 Remove a bit more cruft from the sjlj moving to a backend pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79272 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 20:25:04 +00:00
Benjamin Kramer
ae68a19ef9 Update CMakeLists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 18:47:11 +00:00
Daniel Dunbar
5d17eddb0c Fix build warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 18:41:42 +00:00
Jim Grosbach
8b818d7e98 Move the sjlj exception handling conversions to a back-end pass where they 
more properly belong. This allows removing the front-end conditionalized
SJLJ code, and cleans up the generated IR considerably. All of the
infrastructure code (calling _Unwind_SjLj_Register/Unregister, etc) is
added by the SjLjEHPrepare pass.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79250 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 16:41:22 +00:00
David Goodwin
fac8541dd4 Extend the instruction itinerary model to include the ability to indicate the def and use cycle for each operand. This additional information is optional, so existing itineraries do not need to be changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79247 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 16:02:57 +00:00
Chris Lattner
8f4b1ec02b the MinPad argument to PadToColumn only really makes sense to be 1, 
just remove the argument and replace it with 1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 15:48:08 +00:00
Chris Lattner
975780bb59 change AsmPrinter to switch sections using AsmStreamer instead of 
doing it directly.  This requires const'izing a bunch of stuff that
took sections, but this seems like the right semantic thing to do:
emitting a label to a section shouldn't mutate the MCSection object
itself, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79227 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 05:49:08 +00:00
Chris Lattner
f3ce009fcb give MCAsmStreamer a TargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-17 04:23:44 +00:00
Jakob Stoklund Olesen
66a39699fb Replace RegScavenger::DistanceMap with a simpler local algorithm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-16 17:41:39 +00:00
Jakob Stoklund Olesen
e689ce626c Clean up the public interface of RegScavenger. 
Remove unused methods and make others private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-16 17:41:20 +00:00
Jakob Stoklund Olesen
f7e8af925c Be more clever about regclasses in ScheduleDAGSDNodes::EmitCopyFromReg. 
If two uses of a CopyFromReg want different regclasses, first try a common
sub-class, then fall back on the copy emitted in AddRegisterOperand. There is
no need for an assert here. The cross-class joiner usually cleans up nicely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79193 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-16 17:40:59 +00:00
Evan Cheng
8a9d5f96a5 Needs to check whether unaligned load / store of i64 is legal here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 23:41:42 +00:00
Bill Wendling
eb75364020 Remove <iostream>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79146 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 22:28:08 +00:00
Benjamin Kramer
bc037cfcde Unbreak build. Evan, please make sure my changes are correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79133 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 20:46:16 +00:00
Jakob Stoklund Olesen
16b794d25a Refine EarlyClobber assert in register scavenger. 
It is legal for an inline asm operand to use an earlyclobber register if the
use operand is tied to the earlyclobber operand. The issue is discussed here:

  http://gcc.gnu.org/ml/gcc/1999-04n/msg00431.html

We should perhaps let only the machine code verifier worry about these finer
details. EarlyClobber operands are not really interesting to the scavenger.

This fixes PR4528 for the third time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 18:16:58 +00:00
Jakob Stoklund Olesen
d62c9a697b Don't setCalleeSavedInfoValid() until spills are interted. 
In a naked function, the flag is never set and getPristineRegs() returns an
empty list. That means naked functions are able to clobber callee saved
registers, but that is the whole point of naked functions.

This fixes PR4716.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79096 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 13:10:46 +00:00
Jakob Stoklund Olesen
4af85b2328 Allow double defs in the machine code verifier after the addPreRegAlloc passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 13:10:15 +00:00
Jakob Stoklund Olesen
7a1e872564 Update LocalRewriter::DistanceMap when inserting stack loads. 
In the included test case, a stack load was not included in DistanceMap. That
caused TransferDeadness to ignore the instruction, leading to a scavenger
assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 11:03:03 +00:00
Evan Cheng
e96507c731 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 08:38:52 +00:00
Dan Gohman
0d24bfbf92 Simplify this code to not depend as much on CurMBB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-15 02:06:22 +00:00
Devang Patel
6325a5305e Do not completely skip subrange info for a zero sized array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 20:59:16 +00:00
Anton Korobeynikov
72977a45a8 Allow targets to specify their choice of calling conventions per 
libcall. Take advantage of this in the ARM backend to rectify broken
choice of CC when hard float is in effect. PIC16 may want to see if
it could be of use in MakePIC16Libcall, which works unchanged.

Patch by Sandeep!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 20:10:52 +00:00
Bruno Cardoso Lopes
abd7514a68 *try* to use a better name to describe how common symbols are marked on the elf object file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 19:45:38 +00:00
Daniel Dunbar
575327b77e Add virtual printMCInst method to AsmPrinter, as a quick way to expose the API 
to print one instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 03:43:57 +00:00
Evan Cheng
7cefd80bd5 Indentation change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78978 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-14 01:56:37 +00:00
Daniel Dunbar
7894578470 TargetRegistry: Change AsmPrinter constructor to be typed as returning an 
AsmPrinter instance (instead of just a FunctionPass)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78962 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 23:48:47 +00:00
Owen Anderson
0e275dc538 Actually privatize a IntegerTypes, and fix a few bugs exposed by this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78955 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 23:27:32 +00:00
Owen Anderson
1d0be15f89 Push LLVMContexts through the IntegerType APIs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 21:58:54 +00:00
Bruno Cardoso Lopes
d163e8b14c Remove hack used to strip unwanted chars from section name 
Use MCSectionELF methods as much as possible, removing some
ELFWriter methods which are now unused



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78940 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 21:25:27 +00:00
Daniel Dunbar
67d894ea64 TargetRegistry: Reorganize AsmPrinter construction so that clients pass in the 
TargetAsmInfo. This eliminates a dependency on TargetMachine.h from
TargetRegistry.h, which technically was a layering violation.
 - Clients probably can only sensibly pass in the same TargetAsmInfo as the
   TargetMachine has, but there are only limited clients of this API.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78928 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 19:38:51 +00:00
Jakob Stoklund Olesen
06789e23d1 Track pristine registers as if they were live-in in the register scavenger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78913 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 16:20:04 +00:00
Jakob Stoklund Olesen
a6b677d209 Use pristine register info in machine code verifier. 
So far these registers are simply tracked as if they were live-in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78912 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 16:19:51 +00:00
Jakob Stoklund Olesen
4a0f08c5fc Add MachineFrameInfo::getPristineRegisters(MBB) method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78911 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 16:19:33 +00:00
David Goodwin
710461688b Add callback to allow target to adjust latency of schedule dependency edge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 16:05:04 +00:00
Bruno Cardoso Lopes
b808588a3a Change MCSectionELF to represent a section semantically instead of 
syntactically as a string, very similiar to what Chris did with MachO.
The parsing support and validation is not introduced yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78890 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 05:07:35 +00:00
Dan Gohman
cf20ac4fd1 Various AsmWriter output cleanups. Use WriteAsOperand instead of 
PrintUnmangledNameSafely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 01:36:44 +00:00
David Goodwin
2ffb0ce7dc Fix counting of Post-RA scheduling stalls. Improve debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 21:47:46 +00:00
Lang Hames
f7c553e993 Added RegisterCoalescer to required passes for PBQP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78840 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 21:04:53 +00:00
Dan Gohman
46d505647d Use WriteAsOperand to print BasicBlock names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 20:56:56 +00:00
Dan Gohman
e45da0dce0 Fix a few more places to use PadToColumn instead of tabs. And fix 
the basic block label printing to check whether a block has a name
before printing a comment character and whitespace for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78830 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 18:47:05 +00:00
Dan Gohman
a12e9d751b Use PadToColumn instead of tabs for aligning comments. Fix one place 
that emitted unnecessary whitespace outside of VerboseAsm mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78828 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 18:32:22 +00:00
David Goodwin
1a8f36e3ce Enhance the InstrStage object to enable the specification of an Itinerary with overlapping stages. The default is to maintain the current behavior that the "next" stage immediately follows the previous one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 18:31:53 +00:00
Jim Grosbach
bff392384d Add catch block handling to SjLj exception handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78817 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 17:38:44 +00:00
Chris Lattner
a7ac47cee1 Change TargetAsmInfo to be constructed via TargetRegistry from a Target+Triple 
pair instead of from a virtual method on TargetMachine.  This cuts the final
ties of TargetAsmInfo to TargetMachine, meaning that MC can now use 
TargetAsmInfo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 07:22:17 +00:00
Dan Gohman
da2775767b This logic was accidentally inverted in r78767. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78773 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 01:44:20 +00:00