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5354 Commits

Author SHA1 Message Date
Alkis Evlogimenos
3eeb600093 Use std::numeric_limits<float>::infinity() instead of 
std::numeric_limits<float>::max() for weighting preallocated
intervals.

llvm-svn: 11427
 2004-02-14 00:44:07 +00:00
Chris Lattner
83c5c942ca Use intrinsic lowering like the rest of the backends. Get rid of crufty hacky 
code that worked around problems in the mangler

llvm-svn: 11426
 2004-02-14 00:31:10 +00:00
Chris Lattner
6c31b081e4 Fix the logic in the name mangler. If there are two symbols named 'X', and one 
is external, make sure to mangle the *internal* one, not external one

llvm-svn: 11424
 2004-02-14 00:30:23 +00:00
Chris Lattner
bc565b2a6c There is no need to emit a shift if the size is constant, which is common 
llvm-svn: 11420
 2004-02-13 23:36:47 +00:00
Chris Lattner
3681a0bd3f Moved directory, update makefile 
llvm-svn: 11417
 2004-02-13 23:31:12 +00:00
Chris Lattner
85667eca81 CBackend is no longer here 
llvm-svn: 11416
 2004-02-13 23:29:37 +00:00
Chris Lattner
9301df3932 CBackend now lives here 
llvm-svn: 11415
 2004-02-13 23:29:20 +00:00
Chris Lattner
d076de4bf3 Convert the C backend into a target, for use with LLC. This allows us to use 
the lowerallocations pass to eliminate malloc/free warnings and hackish code

llvm-svn: 11409
 2004-02-13 23:18:48 +00:00
Chris Lattner
81155b0069 Make the cwriter use the lowerinvoke pass so that it can either use "disabled exceptions" or 
"expensive exceptions" controlled by an option.  Also refactor and eliminate a bunch of cruft.
This is a temporary solution and causes millions of warnings to pour out of programs that use
exceptions, but it should fix the problem with sparc and the 'write' declaration (PR190).
Subsequent changes will make this stink much less

llvm-svn: 11405
 2004-02-13 23:00:29 +00:00
Chris Lattner
33ed4f9de9 Add support for a bunch more functions 
llvm-svn: 11395
 2004-02-13 21:21:48 +00:00
Alkis Evlogimenos
6d6ab846af Remove getAllocatedRegNum(). Use getReg() instead. 
llvm-svn: 11393
 2004-02-13 21:01:20 +00:00
Chris Lattner
fbacee0077 Add support for fopen/fclose. Specifically with fopen, we were marking all of the 
operands as incomplete, though fopen is known to only read them.  This just adds
fclose for symmetry, though it doesn't gain anything.  This makes the dsgraphs for
181.mcf much more precise.

llvm-svn: 11390
 2004-02-13 20:05:32 +00:00
Alkis Evlogimenos
c1ef192d44 Use getNumVirtualRegs(). 
Whitespace cleanups.

llvm-svn: 11389
 2004-02-13 18:20:47 +00:00
Chris Lattner
2265790f9f Fix compilation of 126.gcc: intrinsic functions cannot throw, so they are not 
allowed in invoke instructions.  Thus, if we are inlining a call to an intrinsic
function into an invoke site, we don't need to turn the call into an invoke!

llvm-svn: 11384
 2004-02-13 16:47:35 +00:00
Chris Lattner
b0fadd694d Intrinsic functions cannot throw 
llvm-svn: 11383
 2004-02-13 16:46:46 +00:00
Chris Lattner
f1de565975 Expose a pass ID that can be 'required' 
llvm-svn: 11376
 2004-02-13 16:16:16 +00:00
Chris Lattner
da61b0ab20 Squish warning 
llvm-svn: 11375
 2004-02-13 16:14:50 +00:00
Chris Lattner
dd8e3f4208 Restructure code to handle memcpy/memmove 
llvm-svn: 11374
 2004-02-13 16:09:54 +00:00
Brian Gaeke
40b9cf9615 Fix off-by-one in Interpreter::getFirstVarArg(), which was punishing 
any attempts by LLI to use varargs (possibly left over from the introduction
of IntrinsicLowering??)

llvm-svn: 11370
 2004-02-13 06:18:39 +00:00
Chris Lattner
c16e56ea41 Fine grainify namespacification, prune #includes 
llvm-svn: 11369
 2004-02-13 06:18:21 +00:00
Brian Gaeke
212ffba663 The Interpreter was failing the AtExit UnitTest. This fixes it. 
llvm-svn: 11367
 2004-02-13 05:48:00 +00:00
Brian Gaeke
4f4348e113 Refactor MachineFunction::print() into MachineBasicBlock::print(). 
Add MachineBasicBlock::dump().

llvm-svn: 11364
 2004-02-13 04:39:55 +00:00
Brian Gaeke
44cc73b6f2 Add head-of-file comments and Doxygen comments. Tighten up a lot of whitespace. 
Rename SetMachineOperandConst's formal parameters to match other methods here.
Mark some methods as being used only by the SPARC back-end.
Fix a missing-paren bug in OutputValue().

llvm-svn: 11363
 2004-02-13 04:39:32 +00:00
Chris Lattner
705753bd4f Add support for memcpy and memmove intrinsics. Why isn't the cwriter using 
the intrinsiclowering code?? :(

llvm-svn: 11362
 2004-02-12 23:13:33 +00:00
Alkis Evlogimenos
3ecdcd18c5 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.

llvm-svn: 11357
 2004-02-12 18:49:07 +00:00
Chris Lattner
c908f6b738 Add support for the llvm.memmove intrinsic 
Patch graciously contributed by Reid Spencer!

llvm-svn: 11355
 2004-02-12 18:11:20 +00:00
Chris Lattner
d1c4f4c833 Add support for the rep movs[bwd] instructions, and emit them when code 
generating the llvm.memcpy intrinsic.

llvm-svn: 11351
 2004-02-12 17:53:22 +00:00
Chris Lattner
0d988a0d14 Implement the llvm.memcpy intrinsic 
llvm-svn: 11349
 2004-02-12 17:01:09 +00:00
Chris Lattner
ef375052c6 Rename the opCode instance variable to Opcode 
llvm-svn: 11348
 2004-02-12 16:09:53 +00:00
Chris Lattner
bda81f88b7 This field is never read 
llvm-svn: 11346
 2004-02-12 16:04:49 +00:00
Alkis Evlogimenos
94cab18bdc 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().

llvm-svn: 11345
 2004-02-12 08:11:04 +00:00
Brian Gaeke
7d1652ca5c Remove this MachineOpCodeFlags assertion - its test can never be false. 
llvm-svn: 11342
 2004-02-12 04:01:07 +00:00
Alkis Evlogimenos
b755d35fd2 Change MachineBasicBlock's vector of MachineInstr pointers into an 
ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.

llvm-svn: 11340
 2004-02-12 02:27:10 +00:00
Brian Gaeke
4d67c9770d getOpCode() --> getOpcode(). 
llvm-svn: 11339
 2004-02-12 01:34:05 +00:00
Brian Gaeke
116a667130 MachineInstr::getOpCode() --> getOpcode() in SPARC back-end. 
llvm-svn: 11335
 2004-02-11 20:47:34 +00:00
Chris Lattner
2a50f8218a s/getOpCode/getOpcode 
llvm-svn: 11332
 2004-02-11 19:26:28 +00:00
Chris Lattner
ffd9c8a00b Cosmetic improvements to this option. 
llvm-svn: 11331
 2004-02-11 19:14:04 +00:00
Chris Lattner
66e7209785 Actually load profiling information now! Block layout can use real, live, 
actual profile info, and works!  :)

llvm-svn: 11324
 2004-02-11 18:21:05 +00:00
Chris Lattner
16ad30203c Fix a typeo 
llvm-svn: 11323
 2004-02-11 18:20:41 +00:00
Alkis Evlogimenos
fb5edb0b49 Increase constness. 
llvm-svn: 11322
 2004-02-11 17:55:09 +00:00
Chris Lattner
36f91c80f4 Fix copy-and-pastos 
llvm-svn: 11319
 2004-02-11 06:10:18 +00:00
Chris Lattner
c456d0cbc7 Add skeleton profileinfoloader pass. This will be enhanced to actually LOAD 
a profile tommorow.  :)

llvm-svn: 11318
 2004-02-11 06:10:05 +00:00
Alkis Evlogimenos
4b4342e865 Remove assert as the only integer registers on the sparc are physical. 
llvm-svn: 11317
 2004-02-11 06:04:51 +00:00
Alkis Evlogimenos
30c37082ae Fix previous broken commit. A MachineOperand may have opType == 
MO_VirtualRegister but if the register number is one of a physical
register is it considered as a physical register.

llvm-svn: 11315
 2004-02-11 05:55:00 +00:00
Chris Lattner
427c8ee657 Factor this code out of llvm-prof 
llvm-svn: 11314
 2004-02-11 05:54:25 +00:00
Chris Lattner
5730220037 Remove obsolete comment. Unreachable blocks will automatically be left at the 
end of the function.

llvm-svn: 11313
 2004-02-11 05:20:50 +00:00
Chris Lattner
ca52c22356 Add an _embarassingly simple_ implementation of basic block layout. This is 
more of a testcase for profiling information than anything that should reasonably
be used, but it's a starting point.  When I have more time I will whip this into
better shape.

llvm-svn: 11311
 2004-02-11 04:53:20 +00:00
Alkis Evlogimenos
d2edafbc32 Remove assert as it is meaningless. MachineOperands can be tagged as 
MO_VirtualRegister but actually be representing a physical register.

llvm-svn: 11310
 2004-02-11 04:52:30 +00:00
Chris Lattner
c9900e2eb3 Make sure to register the 'no profile' implementation as the default for ProfileInfo 
llvm-svn: 11309
 2004-02-11 04:47:54 +00:00
Chris Lattner
f8077b7801 Simplify implementation, and probably speed things up too. 
llvm-svn: 11308
 2004-02-11 03:57:16 +00:00