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41507baf91
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30653 Commits

Author SHA1 Message Date
Chris Lattner
41507baf91 simplify SPULinuxTargetAsmInfo, remove use of TM. 
llvm-svn: 77869
 2009-08-02 04:44:33 +00:00
Chris Lattner
00be9d038e xcore TAI doesn't need TM. 
llvm-svn: 77868
 2009-08-02 04:42:09 +00:00
Chris Lattner
347434dfea PIC16 TAI doesn't need TM 
llvm-svn: 77867
 2009-08-02 04:41:14 +00:00
Chris Lattner
f13912f657 remove the dead ELFTargetAsmInfo.h/cpp file. TargetAsmInfo 
defaults to being ELF.

llvm-svn: 77866
 2009-08-02 04:33:09 +00:00
Chris Lattner
c2297e1bc1 eliminate the TM argument to the TAI class, remove comment about supporting 
solaris :)

llvm-svn: 77865
 2009-08-02 04:32:07 +00:00
Chris Lattner
65a4fca21d eliminate TargetMAchine argument to sparc TAI 
llvm-svn: 77864
 2009-08-02 04:30:59 +00:00
Chris Lattner
b5ceb50677 remove TargetAsmInfo::TM, which is now dead. The basic TAI class now 
no longer depends on TM!

llvm-svn: 77863
 2009-08-02 04:27:24 +00:00
Chris Lattner
e0c440fd9f remove the x86/ppc impls of getEHGlobalPrefix, which is already dead. 
llvm-svn: 77861
 2009-08-02 04:13:22 +00:00
Daniel Dunbar
0dfedac203 Add missing flush(). 
llvm-svn: 77859
 2009-08-02 04:12:28 +00:00
Chris Lattner
fc452eb48b clean up #includes of TargetAsmInfo.cpp 
llvm-svn: 77858
 2009-08-02 04:09:22 +00:00
Chris Lattner
d2477587b9 remove the dead PreferredEHDataFormat TAI hook: its now dead 
even considering #if 0 code.

llvm-svn: 77856
 2009-08-02 04:02:52 +00:00
Chris Lattner
adebb48d1a Fix some fixme's in #if 0'd code by making it dependent on the structural 
behavior of the LSDA section instead of on some random target hook that
needs to be kept in synch with other points of truth.

llvm-svn: 77855
 2009-08-02 03:59:56 +00:00
Chris Lattner
1c44a63eba move getDwarfExceptionSection from TAI to TLOF and rename it to 
getLSDASection() to be more specific.  This makes it pretty obvious
that the ELF LSDA section is being specified wrong in PIC mode.  We're
probably getting a lot of startup-time relocations to a readonly page,
which is expensive and bad.

Someone who cares about ELF C++ should investigate this.

llvm-svn: 77847
 2009-08-02 01:34:32 +00:00
Daniel Dunbar
59c4432b7f Fix a possible crash on delete of an uninitialized variable. 
llvm-svn: 77846
 2009-08-02 01:25:15 +00:00
Dan Gohman
15699ece5b Don't call SectionForGlobal for hasAvailableExternallyLinkage() 
variables either.

llvm-svn: 77844
 2009-08-02 01:18:44 +00:00
Chris Lattner
18e3729e50 don't call SectionForGlobal on declarations, you can't tell the section a 
declaration will end up in.

llvm-svn: 77843
 2009-08-02 01:02:43 +00:00
Chris Lattner
06d8ca1f56 convert ctors/dtors section to be in TLOF instead of 
TAI.

llvm-svn: 77842
 2009-08-02 00:34:36 +00:00
Chris Lattner
e5e68589da don't override the default of this, the only difference is \t instead of ' '. 
llvm-svn: 77838
 2009-08-02 00:12:20 +00:00
Daniel Dunbar
8a0b05b396 Change MCOperand to use Create style instead of Make style for constructing 
operands.

llvm-svn: 77837
 2009-08-02 00:09:22 +00:00
Chris Lattner
506b49ffa0 Make SectionKind::get() private. 
llvm-svn: 77835
 2009-08-02 00:02:44 +00:00
Chris Lattner
05334af883 (re)introduce new simpler apis for creation sectionkinds. 
llvm-svn: 77834
 2009-08-01 23:57:16 +00:00
Chris Lattner
81229d1bed Remove "JumpTableDataSection" from TAI, instead, have AsmPrinter 
compute it based on what it knows.  As part of this, rename getSectionForMergeableConstant
to getSectionForConstant because it works for non-mergable constants also.

The only functionality change from this is that Xcore will start dropping
its jump tables into readonly section instead of data section in -static mode.
This should be fine as the linker resolves the relocations.  If this is a
problem, let me know and we'll come up with another solution.

llvm-svn: 77833
 2009-08-01 23:46:12 +00:00
Chris Lattner
8120a93944 give alpha its readonly section. This optimizes alpha, and prevents a 
testsuite regression with a coming patch.

llvm-svn: 77832
 2009-08-01 23:44:04 +00:00
Chris Lattner
e3d23ea562 .rdata == .rodata on mips. 
llvm-svn: 77827
 2009-08-01 23:07:29 +00:00
Chris Lattner
52229980ff no need to override the default with the default. 
llvm-svn: 77826
 2009-08-01 23:05:25 +00:00
Chris Lattner
190b319c4c eXtensible Systems doesn't exist any more and Reid donated this to the 
project under the normal license, yay. :)

llvm-svn: 77823
 2009-08-01 22:54:17 +00:00
Chris Lattner
82b6045b0b loweringinfo is always non-null. 
llvm-svn: 77821
 2009-08-01 22:48:40 +00:00
Chris Lattner
4cbb1c0c3f REmove dead fields of TAI. 
llvm-svn: 77820
 2009-08-01 22:40:22 +00:00
Chris Lattner
e1cc2c27b3 fix a problem Eli noticed where we would compile the attached ptrtoint 
to:

.quad X

even on a 32-bit system, where X is not 64-bits.  There isn't much that
we can do here, so we just print:

.quad	((X) & 4294967295)

instead.

llvm-svn: 77818
 2009-08-01 22:25:12 +00:00
Chris Lattner
49daade398 update for rename 
llvm-svn: 77817
 2009-08-01 22:06:53 +00:00
Chris Lattner
0106f7031b fix a fixme by sinking various target-specific directives down into 
the appropriate subclasses.

llvm-svn: 77815
 2009-08-01 21:56:13 +00:00
Chris Lattner
ac27c8c8d3 coff also doesn't have a ReadOnlySection yet, (!) 
llvm-svn: 77814
 2009-08-01 21:49:24 +00:00
Chris Lattner
d0f608200c coff doesn't set a .bss seciton, so this is dead. 
llvm-svn: 77813
 2009-08-01 21:48:25 +00:00
Chris Lattner
2a9d51b703 it turns out that isWeak() was basically dead anyway. Kill off SectionInfo :-/ 
llvm-svn: 77812
 2009-08-01 21:46:23 +00:00
Chris Lattner
cbc6752ac5 don't use isWeak anymore. 
llvm-svn: 77810
 2009-08-01 21:42:58 +00:00
Dan Gohman
8961d1aaa3 Fix typos in comments. 
llvm-svn: 77806
 2009-08-01 21:25:00 +00:00
Chris Lattner
79e9585304 Change SectionKind to be a property that is true of a *section*, it 
should have no state that is specific to particular globals in the
section.  In this case, it means the removal of the "isWeak" and
"ExplicitSection" bits.  MCSection uses the new form of SectionKind.

To handle isWeak, I introduced a new SectionInfo class, which is
SectionKind + isWeak, and it is used by the part of the code generator
that does classification of a specific global.

The ExplicitSection disappears.  It is moved onto MCSection as a new
"IsDirective" bit.  Since the Name of a section is either a section
or directive, it makes sense to keep this bit in MCSection.  Ultimately
the creator of MCSection should canonicalize (e.g.) .text to whatever
the actual section is.

llvm-svn: 77803
 2009-08-01 21:11:14 +00:00
Dan Gohman
abd57d8aec Minor code cleanups. 
llvm-svn: 77795
 2009-08-01 19:14:37 +00:00
Dan Gohman
bc9ad85a84 Print the target flags as an int instead of a char, as they aren't 
actually characters.

llvm-svn: 77794
 2009-08-01 19:13:38 +00:00
Nick Lewycky
9dccd7a872 Add newline at end of file to remove gcc warning. 
llvm-svn: 77791
 2009-08-01 19:09:44 +00:00
Chris Lattner
04ae6629fe All MCSections are now required to have a SectionKind. 
llvm-svn: 77787
 2009-08-01 18:25:49 +00:00
Evan Cheng
b9b4b9aa15 Workaround a couple of Darwin assembler bugs. 
llvm-svn: 77781
 2009-08-01 06:13:52 +00:00
Dan Gohman
74b8f449e7 Give MachineFunctionAnalysis a destructor so it can verify that 
that it released its allocated memory.

llvm-svn: 77775
 2009-08-01 04:19:43 +00:00
Dan Gohman
7ca77f37db Delete a redundant variable. 
llvm-svn: 77774
 2009-08-01 04:18:29 +00:00
Dan Gohman
c0b1c0e18d Minor code simplifications. 
llvm-svn: 77769
 2009-08-01 03:51:09 +00:00
Dan Gohman
2e5fd769b6 Minor code simplifications. 
llvm-svn: 77768
 2009-08-01 03:42:59 +00:00
Evan Cheng
c165700a7f Split t2MOVCCs since some assemblers do not recognize mov shifted register alias with predicate. 
llvm-svn: 77764
 2009-08-01 01:43:45 +00:00
Dan Gohman
e8685de233 SelectionDAGISel no longer needs to check hasAvailableExternallyLinkage, 
as it is now a MachineFunctionPass, and MachineFunctionPass now handles
this.

llvm-svn: 77760
 2009-08-01 00:42:23 +00:00
Dan Gohman
c1dc8ac240 Make UnreachableMachineBlockElim preserve MachineDominatorTree and 
MachineLoopInfo.

llc now runs MachineLoopInfo and MachineDominatorTree only twice, instead
of three times.

llvm-svn: 77759
 2009-08-01 00:34:30 +00:00
Dan Gohman
e05a157134 The X86 maximal stack alignment calculator preserves the CFG. Also, 
be more careful about the return value of runOnMachineFunction.

llvm-svn: 77758
 2009-08-01 00:31:02 +00:00