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26 Commits

Author SHA1 Message Date
Tilmann Scheller
a23802520a Use explicit structs instead of std::pair to map callee saved regs to spill slots. 
llvm-svn: 82909
 2009-09-27 17:58:47 +00:00
Bob Wilson
94e29af5ac pr4926: ARM requires the stack pointer to be aligned, even for leaf functions. 
For the AAPCS ABI, SP must always be 4-byte aligned, and at any "public
interface" it must be 8-byte aligned.  For the older ARM APCS ABI, the stack
alignment is just always 4 bytes.  For X86, we currently align SP at
entry to a function (e.g., to 16 bytes for Darwin), but no stack alignment
is needed at other times, such as for a leaf function.

After discussing this with Dan, I decided to go with the approach of adding
a new "TransientStackAlignment" field to TargetFrameInfo.  This value
specifies the stack alignment that must be maintained even in between calls.
It defaults to 1 except for ARM, where it is 4.  (Some other targets may
also want to set this if they have similar stack requirements. It's not
currently required for PPC because it sets targetHandlesStackFrameRounding
and handles the alignment in target-specific code.) The existing StackAlignment
value specifies the alignment upon entry to a function, which is how we've
been using it anyway.

llvm-svn: 82767
 2009-09-25 14:41:49 +00:00
Dan Gohman
8271066844 Tidy up #includes, deleting a bunch of unnecessary #includes. 
llvm-svn: 61715
 2009-01-05 17:59:02 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Evan Cheng
82d9b2077b Fix naming inconsistency: calleesave -> calleesaved. 
llvm-svn: 32821
 2007-01-02 21:30:17 +00:00
Chris Lattner
0b8dd1f32f remove some more dead sparcv9 support stuff 
llvm-svn: 29506
 2006-08-03 18:55:44 +00:00
Reid Spencer
e952b16f37 Shut GCC 4.0 up about classes that have virtual functions but a non-virtual 
destructor. Just add the do-nothing virtual destructor.

llvm-svn: 21524
 2005-04-25 02:55:55 +00:00
Misha Brukman
5e38b1e17e Convert tabs to spaces 
llvm-svn: 21438
 2005-04-22 03:46:24 +00:00
Misha Brukman
58c97e67f3 Remove trailing whitespace 
llvm-svn: 21412
 2005-04-21 20:59:05 +00:00
Chris Lattner
dd0094e4ed Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!

llvm-svn: 17281
 2004-10-27 16:14:51 +00:00
Alkis Evlogimenos
dbe432aee7 Make this compile on gc 3.4.1 (static_cast to non-const type was not 
allowed).

llvm-svn: 15766
 2004-08-15 09:18:55 +00:00
Chris Lattner
009bda369a Allow targets to specify particular stack slots that certain physregs must 
be spilled into.

llvm-svn: 15702
 2004-08-12 19:01:55 +00:00
Chris Lattner
837ab8fcf6 Remove dead methods 
llvm-svn: 15698
 2004-08-12 18:37:15 +00:00
Chris Lattner
8af864daa3 Remove dead methods 
llvm-svn: 15691
 2004-08-12 17:58:27 +00:00
Chris Lattner
0c385225b2 Add documentation to the TargetFrameInfo class, contributed by Vladimir Prus 
llvm-svn: 14060
 2004-06-08 06:23:17 +00:00
Misha Brukman
384b4b20d4 Move function implementations to a .cpp file, avoid #including <cstdlib> here. 
llvm-svn: 12296
 2004-03-11 23:52:03 +00:00
Misha Brukman
26b6be3053 If you call abort(), #include <cstdlib> 
llvm-svn: 10941
 2004-01-21 22:50:12 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
16c6cda9d5 Added LLVM copyright header (for lack of a better term). 
llvm-svn: 9304
 2003-10-20 20:19:47 +00:00
Chris Lattner
51c7c172db Expose some very simple information about the frame, rather than in-depth 
target specific information.  Rename MachineFrameInfo to TargetFrameInfo

llvm-svn: 5168
 2002-12-28 20:12:10 +00:00
Misha Brukman
142795fd17 Changed MachineCodeForMethod' to MachineFunction'. 
llvm-svn: 4301
 2002-10-28 00:28:31 +00:00
Vikram S. Adve
4aad6090ae Add method adjustAlignment so that stack slot alignments can be computed 
in a target-dependent manner (because of the dang OFFSET in Sparc v9).

llvm-svn: 3745
 2002-09-16 15:57:43 +00:00
Chris Lattner
8a4787495a * Removed extraneous #includes 
* Fixed file headers to be consistent with the rest of LLVM
* Other minor fixes

llvm-svn: 3278
 2002-08-09 20:08:06 +00:00
Vikram S. Adve
5c851091e5 Added functions to compute the offset of a given incoming or outgoing 
argument. These are no longer allocated as they are discovered.

llvm-svn: 2320
 2002-04-25 04:48:54 +00:00
Chris Lattner
463cc31132 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
 2001-11-27 00:03:19 +00:00
Vikram S. Adve
d985dbcdd8 Machine-independent interface to target's stack frame layout parameters. 
llvm-svn: 1190
 2001-11-08 04:52:27 +00:00