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2111 Commits

Author SHA1 Message Date
Chris Lattner
bceb68807f Eliminate the distinction between "real" and "unreal" instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11986 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 06:31:16 +00:00
Brian Gaeke
620ee02353 Add more architectures, and ELF64 stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11985 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 06:30:25 +00:00
Chris Lattner
450b6d2998 Scrap a huge layer of cruft out of this interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11980 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 05:57:21 +00:00
Chris Lattner
7598a1a9a8 Remove unneeded #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11978 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 05:15:56 +00:00
Chris Lattner
6a8a9b4413 Continue Alkis's int64_t cleanup. This makes all of the immediate related 
methods take an int or unsigned value instead of int64_t.

Also, add an 'addImm' method to the MachineInstrBuilder class, because the
fact that the hardware sign or zero extends it does not/should not matter
to the code generator.  Once the old sparc backend is removed the difference
can be eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11976 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 05:06:49 +00:00
Chris Lattner
c3c106ca59 Add BuildMI variants that take a MBB::iterator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11975 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 04:55:28 +00:00
Brian Gaeke
757c1f9d87 Fix my sloppiness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11968 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-28 22:06:03 +00:00
Chris Lattner
3da5117334 Add hook for V8 target 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11961 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-28 19:54:16 +00:00
Brian Gaeke
6c39a42b5c ELF constants and data structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11945 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-28 06:26:20 +00:00
Misha Brukman
4977a163b4 New Function-level transformation utils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11938 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-28 03:33:30 +00:00
Misha Brukman
dddea54b11 Add the prototype for the LoopExtractor Pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11937 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-28 03:33:17 +00:00
Alkis Evlogimenos
bd16ef84bf Make MachineOperand's immediate value an int and save 4 bytes out of 
each MachineOperand. We don't really need an int64_t immediate :-).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11906 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 15:05:28 +00:00
Misha Brukman
b07dddda00 Doxygenify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11891 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:20:29 +00:00
Misha Brukman
2729408840 Doxygenify and tersify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11890 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:20:08 +00:00
Alkis Evlogimenos
71e353ed35 Uncomment assertions that register# != 0 on calls to 
MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:00:20 +00:00
Chris Lattner
c230978a82 Annotations are evil. This makes Value not derive from Annotable, which makes 
all dynamically allocated LLVM values 4 bytes smaller, eliminate some vtables, and
make Value's destructor faster.

This makes Function derive from Annotation now because it is the only core LLVM
class that still has an annotation stuck onto it: MachineFunction.
MachineFunction is obviously horrible and gross (like most other annotations), but
will be the subject of refactorings later in the future.  Besides many fewer
Function objects are dynamically allocated that instructions blocks, constants,
types, etc... :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11878 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:08:38 +00:00
Chris Lattner
c814937115 Make TargetData no longer use annotations! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11874 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:01:57 +00:00
Chris Lattner
32f54f3149 Eliminate copy-and-paste comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11873 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:01:30 +00:00
Chris Lattner
1cd4c7294c Make sure that at least one virtual method is defined in a .cpp file to avoid 
having the compiler emit RTTI and vtables to EVERY translation unit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11871 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 07:24:18 +00:00
Chris Lattner
7c78afefe9 Fix a bug in the densemap that was killing the local allocator, and probably 
other clients.  The problem is that the nullVal member was left to the default
constructor to initialize, which for int's does nothing (ie, leaves it unspecified).

To get a zero value, we must use T().  It's C++ wonderful? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11867 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 05:00:15 +00:00
Chris Lattner
00fa65be83 Fix typeo. grow() cannot shrink storage. clear() should really nuke storage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11865 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 04:07:12 +00:00
Alkis Evlogimenos
4c50715e9e Temporarily comment out asserts as they break things. I will uncomment 
them when all the problem areas are fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11855 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:56:36 +00:00
Brian Gaeke
9d20b71eca Represent va_list in interpreter as a (ec-stack-depth . var-arg-index) 
pair, and look up varargs in the execution stack every time, instead of
just pushing iterators (which can be invalidated during callFunction())
around.  (union GenericValue now has a "pair of uints" member, to support
this mechanism.) Fixes Bug 234.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11845 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:01:48 +00:00
Alkis Evlogimenos
332d5d0a68 Duh, forgot to close the parenthesis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11843 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 22:07:14 +00:00
Alkis Evlogimenos
338ce3d64e Add assert to isPhysicalRegister and isVirtualRegister to fail when 
passed the special 'register' 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11842 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 22:04:28 +00:00
Alkis Evlogimenos
4d0d864be3 Add DenseMap template and actually use it for for mapping virtual regs 
to objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11840 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 21:55:45 +00:00
Chris Lattner
fdf6a3c8cc Add prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11837 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 21:34:51 +00:00
Brian Gaeke
150666fd82 Great renaming part II: Sparc --> SparcV9 (also includes command-line options and Makefiles) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11827 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 19:08:12 +00:00
Brian Gaeke
bb92f6fbf2 Cygwin defines log2 as a macro. Undef it here IFF it has already been defined, 
so that we always get the inline function instead. Remember, kids, like it says
in the GCC manual, "An Inline Function is As Fast As a Macro."


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11815 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 01:53:45 +00:00
Brian Gaeke
748fba141f FunctionLiveVarInfo.h moved: include/llvm/CodeGen -> lib/Target/Sparc/LiveVar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11804 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 19:46:00 +00:00
Chris Lattner
b4a482a098 Add some helpful methods for dealing with switch instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11794 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 06:26:00 +00:00
Chris Lattner
7b3d73b7ec Use the new LLVM is_class template instead of the boost one, allowing us to 
remove our dependency on boost!  Thanks to Reid Spencer for making this possible!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11785 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 03:50:05 +00:00
Chris Lattner
5c4d53a4d1 Check in a new type_traits header which provides the mysterious is_class 
template.  Thanks go out to Reid Spencer for skillfully extracting this
from boost!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11784 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 03:49:29 +00:00
Chris Lattner
c50879dfe6 Noone cares about similarity to boost 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11783 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 03:47:25 +00:00
Brian Gaeke
95ee9bd81f DataTypes.h is now output from configure, and shortened 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11778 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 22:07:26 +00:00
Brian Gaeke
6c71bf5f70 Regenerated with autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11773 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 21:30:39 +00:00
Brian Gaeke
a6eb7c19a1 ThreadSupport.h is now output from configure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11770 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 21:30:29 +00:00
Brian Gaeke
cbc20b451d Renamed to hash_set.in; move to using autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11765 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:36 +00:00
Brian Gaeke
6cd52446fa Renamed to hash_map.in; move to using autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11764 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:35 +00:00
Brian Gaeke
6ab1917840 Regenerated using autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11762 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:56:04 +00:00
Brian Gaeke
c134395628 Renamed from include/Support/iterator. Doxygenify comments; add autoconf substitution tags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:10 +00:00
Brian Gaeke
587bef9d1a Regenerated with autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11752 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:16:09 +00:00
Alkis Evlogimenos
743d0a1f83 Refactor rewinding code for finding the first terminator of a basic 
block into MachineBasicBlock::getFirstTerminator().

This also fixes a bug in the implementation of the above in both
RegAllocLocal and InstrSched, where instructions where added after the
terminator if the basic block's only instruction was a terminator (it
shouldn't matter for RegAllocLocal since this case never occurs in
practice).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11748 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 18:14:48 +00:00
Alkis Evlogimenos
a2f6a408dc Move LiveIntervals.h to lib/CodeGen since it shouldn't be exposed to other parts of the compiler 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11719 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 00:50:15 +00:00
Alkis Evlogimenos
890f92328d Move MOTy::UseType enum into MachineOperand. This eliminates the 
switch statements in the constructors and simplifies the
implementation of the getUseType() member function. You will have to
specify defs using MachineOperand::Def instead of MOTy::Def though
(similarly for Use and UseAndDef).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11715 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 19:23:26 +00:00
Alkis Evlogimenos
e33da36cbd Fix silly bug in implementation of getUseType(). Thanks Misha. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11711 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 07:24:19 +00:00
Alkis Evlogimenos
f216421181 When folding memory operands in machine instructions be careful to 
leave register operands with the same use/def flags as the original
instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11709 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 06:54:26 +00:00
Chris Lattner
2425f8c629 Significantly simplify gep_type_iterator, and make its interface more general/powerful 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11708 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 06:27:03 +00:00
Alkis Evlogimenos
7200c6b82a Abstract merging of ranges away from number of slots per instruction. 
Also make it less aggressive as the current implementation breaks in
some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11696 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 04:05:13 +00:00
Chris Lattner
9c0b9bf2b5 Update comments and add warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11691 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-21 22:27:20 +00:00
Brian Gaeke
0c80389498 Regenerated using autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11657 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-20 06:40:58 +00:00
Alkis Evlogimenos
39a0d5c112 Too many changes in one commit: 
1. LiveIntervals now implement a 4 slot per instruction model. Load,
   Use, Def and a Store slot. This is required in order to correctly
   represent caller saved register clobbering on function calls,
   register reuse in the same instruction (def resues last use) and
   also spill code added later by the allocator. The previous
   representation (2 slots per instruction) was insufficient and as a
   result was causing subtle bugs.

2. Fixes in spill code generation. This was the major cause of
   failures in the test suite.

3. Linear scan now has core support for folding memory operands. This
   is untested and not enabled (the live interval update function does
   not attempt to fold loads/stores in instructions).

4. Lots of improvements in the debugging output of both live intervals
   and linear scan. Give it a try... it is beautiful :-)

In summary the above fixes all the issues with the recent reserved
register elimination changes and get the allocator very close to the
next big step: folding memory operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11654 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-20 06:15:40 +00:00
Chris Lattner
bbdfe40ba7 Add a method useful for updating DSA 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11636 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 21:27:50 +00:00
Chris Lattner
9717ee9e6c Add a new function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11630 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 20:03:08 +00:00
Chris Lattner
da8ab2ea45 ADd a method for when an instruction moves 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11626 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 18:28:22 +00:00
Chris Lattner
5e61fa9519 Add a MachineBasicBlock::getParent() method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 16:13:54 +00:00
Alkis Evlogimenos
1d29a6d6c7 Make ToolExecutionError inherit std::exception and implement its 
interface: getMessage() is gone, use what() instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11621 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 07:39:26 +00:00
Alkis Evlogimenos
04319bb2bd This is needed by assignment verification in linear-scan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11618 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 01:10:55 +00:00
Chris Lattner
f03715c6a8 Add support for just compiling a program 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11610 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 23:24:29 +00:00
Alkis Evlogimenos
52f8f56ef4 Move unused typedefs in private section. Add method to return interval 
given a register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11608 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 23:14:52 +00:00
Chris Lattner
c8580b2aee Byebye method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11598 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:38:12 +00:00
Chris Lattner
8c56be5e2b When an error occurs executing a tool, we now throw an exception instead 
of calling exit(1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11593 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:21:57 +00:00
Chris Lattner
f5c8146a7c Change the order of the arguments to the ctor, allowing us to make the boolean default to true 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11592 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:20:52 +00:00
Chris Lattner
f1e3285f3a Move a helper class out of bugpoint to here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11582 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 17:16:17 +00:00
Chris Lattner
9b2c31c5cb eliminate a pair of really inefficient methods now that noone uses them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11579 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 16:45:22 +00:00
Chris Lattner
df2cf418a8 The CBE is no longer in llvm-dis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11532 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:39:48 +00:00
Chris Lattner
8026a6982e Simplify and document the new interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11524 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:54:26 +00:00
Alkis Evlogimenos
7093d37304 Add LiveIntervals::Interval::empty() member function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11520 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:14:37 +00:00
Alkis Evlogimenos
b499866c05 Add API to check and fold memory operands into instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11519 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:33:18 +00:00
Chris Lattner
fcdb2c2a7f Add two missing pieces from last checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11513 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 03:03:36 +00:00
Chris Lattner
3e3bcbd222 Rearrange code to eliminate warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11512 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 02:58:36 +00:00
Alkis Evlogimenos
aad5c05051 Add LeakDetection to MachineInstr. 
Move out of line member functions of MachineBasicBlock to
MachineBasicBlock.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11497 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-16 07:17:43 +00:00
Alkis Evlogimenos
843b160a20 Eliminate the use of spill (reserved) registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11476 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 10:24:21 +00:00
Chris Lattner
40bbeb5d07 Add a new ConstantAggregateZero class, to fix PR239. This makes zero 
initializers for constant structs and arrays take constant space, instead of
space proportinal to the number of elements.  This reduces the memory usage of
the LLVM compiler by hundreds of megabytes when compiling some nasty SPEC95
benchmarks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 05:53:04 +00:00
Chris Lattner
46ccf6d382 finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11469 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 05:52:36 +00:00
Chris Lattner
ca705fa31d ConstantArray::get and ConstantStruct::get now just return pointers to 
'Constant', instead of specific subclass pointers.  In the future, these will
return an instance of ConstantAggregateZero if all of the inputs are zeros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11467 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 04:14:47 +00:00
Chris Lattner
8604e75721 The prologue/epilogue related method calls have no reason to return a value, 
make them return void.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11447 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 19:49:05 +00:00
Chris Lattner
cf89908381 Add llvm.memset/frameaddress/returnaddress intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11431 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 02:47:17 +00:00
Alkis Evlogimenos
bc79471be1 Add next() and prior() iterator utility functions. Unlike std::advance 
they do not modify the passed iterator but return a copy.

next(myIt) returns copy of myIt incremented once
next(myIt, n) returns copy of myIt incremented n times
prior(myIt) returns copy of myIt decremented once
prior(myIt, n) returns copy of myIt decremented n times

While at it remove obsolete implementation of mapped_iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11429 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 01:17:28 +00:00
Chris Lattner
d11e647257 Add method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11425 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 00:30:31 +00:00
Chris Lattner
8ff9a8639a Make sure to provide a prototype for the cbackend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11419 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:36:03 +00:00
Chris Lattner
8e3eb5542b The cbackend has never had anything to do with llvm assembly writing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11411 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:19:51 +00:00
Chris Lattner
208d638fa4 Change access to the cwriter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11406 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:00:45 +00:00
Alkis Evlogimenos
be766c7246 Remove getAllocatedRegNum(). Use getReg() instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11393 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 21:01:20 +00:00
Alkis Evlogimenos
903b22cd51 Mark MachineBasicBlock::operator[] deprecated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11392 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 20:05:56 +00:00
Alkis Evlogimenos
87af94b291 Add getNumVirtualRegs(). 
Whitespace cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11388 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 18:07:06 +00:00
Misha Brukman
a92666decd Fix spelling of `tendency'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11378 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 16:23:14 +00:00
Chris Lattner
fdd13f6afe Expose a pass ID for lower-invoke 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11377 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 16:16:35 +00:00
Brian Gaeke
a0031cc08c Update the example here in the header file. 
I don't know about you guys, but I rarely read the .html manuals :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11366 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 04:49:04 +00:00
Brian Gaeke
f13a3f4dd1 Include <iosfwd>. 
Add prototypes for MachineBasicBlock's dump() and print() methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11365 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 04:40:15 +00:00
Alkis Evlogimenos
94dc07728f Move ilist_trairs<MachineInstr> in MachineBasicBlock. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11358 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 19:12:03 +00:00
Alkis Evlogimenos
ab8672c8bb Add parent pointer to MachineInstr that points to owning 
MachineBasicBlock. Also change opcode to a short and numImplicitRefs
to an unsigned char so that overall MachineInstr's size stays the
same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11357 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 18:49:07 +00:00
Chris Lattner
0eb51b440c Add support for the llvm.memmove intrinsic. 
Patch graciously contributed by Reid Spencer!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11354 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 18:10:10 +00:00
Chris Lattner
5ab827ff4a Urg, check in header I forgot. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11353 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 17:57:11 +00:00
Chris Lattner
2a90ba6017 Rename the opCode instance variable to Opcode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11348 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 16:09:53 +00:00
Chris Lattner
9fc77d1358 Remove a dead field from MachineInstr! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11347 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 16:05:03 +00:00
Alkis Evlogimenos
024126ee23 Change interface so that we can add to the end of a basic block 
without getting an assertion from ilist that we are dereferencing
ilist<T>::end().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11345 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 08:11:04 +00:00
Brian Gaeke
0eda78a372 Add one more doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11344 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:26:49 +00:00
Brian Gaeke
56aa531f93 Express one of MachineOperand's many constructors in terms of another, by means of default arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11343 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:15:00 +00:00
Brian Gaeke
2d58f0691e Remove these MachineOpCodeFlags and their accessor - they are never set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11341 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:00:55 +00:00