e6e1b48023
I believe that the code generator now properly handles dead basic blocks. If not,
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this is a bug, and should be fixed.
llvm-svn: 14476
2004-06-29 07:17:12 +00:00
bcdadf3765
Move the IntrinsicLowering header into the CodeGen directory, as per PR346
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llvm-svn: 14266
2004-06-20 07:49:54 +00:00
6d6b3b3ce9
Fix the fixed stack offset, patch contributed by Vladimir Prus
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llvm-svn: 14110
2004-06-10 06:19:25 +00:00
6e4edd65ab
Add support for accurate garbage collection to the LLVM code generators
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llvm-svn: 13696
2004-05-23 21:23:35 +00:00
de647007d3
Tablgen files for really simple instruction selector
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llvm-svn: 12714
2004-04-06 19:34:00 +00:00
a4b15f04c6
The X86 backend no longer needs the select lowering pass.
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llvm-svn: 12578
2004-03-31 22:03:46 +00:00
53b58cb854
Add direct support for integer select instructions, though we still don't support
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folding compares into the select yet.
llvm-svn: 12553
2004-03-30 21:22:00 +00:00
1a0e9ac2f5
Add the select lowering pass to get initial support for select instructions
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llvm-svn: 12541
2004-03-30 18:41:59 +00:00
8351d8c1a8
make -print-machineinstrs work for both SparcV9 and X86
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llvm-svn: 12122
2004-03-04 19:16:23 +00:00
64c9b223bd
Fix failures in 099.go due to the cfgsimplify pass creating switch instructions
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where there did not used to be any before
llvm-svn: 11829
2004-02-25 19:30:19 +00:00
6a35516dcc
Add back machine code deleter pass until we get a MachineCode pass
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that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.
llvm-svn: 11453
2004-02-15 00:03:15 +00:00
80da865f77
Change MachineBasicBlock's vector of MachineInstr pointers into an
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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
56f9b190e1
Add a new (hidden) option that is useful for profiling.
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llvm-svn: 11218
2004-02-09 01:47:10 +00:00
94b5c3cb91
Take away the default iostream argument of createMachineFunctionPrinterPass(),
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at Chris's request.
llvm-svn: 11120
2004-02-04 21:41:01 +00:00
5d236005b0
Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering
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implementation from the TargetMachine directly.
llvm-svn: 10636
2003-12-28 21:23:38 +00:00
c45a033b42
implement support for the intrinsic lowering functionality
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llvm-svn: 10629
2003-12-28 09:47:19 +00:00
68cff6bf4d
Remove floating point killer pass. This is now implemented in the
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instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.
llvm-svn: 10562
2003-12-20 16:22:59 +00:00
452597611f
Finally, _actually delete the machine code_ for a function, after it has
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been emitted. Also, since the FPK pass is causing memory access violations,
disable it.
llvm-svn: 10559
2003-12-20 10:20:19 +00:00
833c3c2597
Rip JIT specific stuff out of TargetMachine, as per PR176
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llvm-svn: 10542
2003-12-20 01:22:19 +00:00
904cd6d48c
Add a floating point killer pass. This pass runs before register
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allocaton on the X86 to add information to the machine code denoting
that our floating point stackifier cannot handle virtual point
register that are alive across basic blocks. This pass adds an
implicit def of all virtual floating point register at the end of each
basic block.
llvm-svn: 10446
2003-12-13 05:36:22 +00:00
6d760d7cb3
Add an option to enable the SSA based peephole optimizer.
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Eventually this pass will provide substantially better code in the interim between when we
have a crappy isel and nice isel. Unfortunately doing so requires fixing the backend to
actually SUPPORT all of the fancy addressing modes that we now generate, and writing a DCE
pass for machine code. Each of these is a fairly substantial job, so this will remain disabled
for the immediate future. :(
llvm-svn: 10276
2003-12-01 05:18:30 +00:00
960707c335
Put all LLVM code into the llvm namespace, as per bug 109.
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llvm-svn: 9903
2003-11-11 22:41:34 +00:00
72a4db8b92
Fix warnings building on sparc
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llvm-svn: 9758
2003-11-06 21:30:05 +00:00
482202a601
Added LLVM project notice to the top of every C++ source file.
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Header files will be on the way.
llvm-svn: 9298
2003-10-20 19:43:21 +00:00
67a5a865ae
Make replaceMachineCodeForFunction return void.
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llvm-svn: 9288
2003-10-20 15:15:17 +00:00
358e7c3edb
Eliminate code for pointer size and endianness emulation.
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llvm-svn: 9281
2003-10-20 04:11:23 +00:00
c42d7951f2
You can't just blat the address into memory, you have to blat its
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displacement.
llvm-svn: 9210
2003-10-17 21:47:25 +00:00
1a7668a9fd
Implement replaceMachineCodeForFunction() for x86.
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llvm-svn: 9204
2003-10-17 18:27:46 +00:00
37225efa97
Instead of hacking in custom support for Invoke/Unwind, use the LowerInvoke pass
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llvm-svn: 8871
2003-10-05 19:15:47 +00:00
5facafaabe
Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller.
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llvm-svn: 8819
2003-10-02 16:57:49 +00:00
8207a2c079
Change llc command line for register allocators
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llvm-svn: 8815
2003-10-02 06:13:19 +00:00
3dfcbf1317
Revert previous change. For some reason this went into the main branch
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llvm-svn: 8805
2003-10-01 19:40:13 +00:00
568e4386e8
Added command line option for linear scan allocator
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llvm-svn: 8804
2003-10-01 19:38:10 +00:00
4fd144acc8
Targets should configure themselves based on a Module, not some wierd flags
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llvm-svn: 8132
2003-08-24 19:49:48 +00:00
4b422520ca
Fix ABI issue: Longs really do need to be only 4 byte aligned on X86.
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This bug caused miscompilation of programs using 'struct stat', but only if
compiled with support for 64-bit filesystems. This could in theory effect
other things, but only if the LLVM code shared data structures with native code.
llvm-svn: 7928
2003-08-17 23:20:40 +00:00
02cbe2824c
addPassesToJITCompile now takes a FunctionPassManager, to support
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function-at-a-time compilation and emission of code.
Separate addPassesToEmitAssembly from addPassesToJITCompile, because
the latter requires you to use FunctionPasses, and the former might
diverge anyway.
llvm-svn: 7817
2003-08-13 18:15:52 +00:00
e61db425e8
Add support for a pattern matching instruction selector. This is still in
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the early implementation phases, so it is disabled by default
llvm-svn: 7719
2003-08-11 14:59:22 +00:00
1d6ba3e359
Factor shared code
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llvm-svn: 7600
2003-08-05 16:34:44 +00:00
a2e2f5cc45
Rename function to be more consistent with filename
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llvm-svn: 7352
2003-07-26 23:49:58 +00:00
a92dce471b
Printer.cpp: Ditch addRequired/getAnalysis, because they leave
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Printer::doFinalization() out in the cold. Now we pass in a TargetMachine
to Printer's constructor and get the TargetData from the TargetMachine.
Don't pass TargetMachine or MRegisterInfo objects around in the Printer.
Constify TargetData references.
X86.h: Update comment and prototype of createX86CodePrinterPass().
X86TargetMachine.cpp: Update callers of createX86CodePrinterPass().
llvm-svn: 7275
2003-07-23 20:25:08 +00:00
ac94bab876
lib/Target/X86/X86TargetMachine.{cpp,h}: Add initial version
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(non-working) of llc guts for X86, and add a prototype for it.
llvm-svn: 6779
2003-06-18 21:43:21 +00:00
4f6cdbdf81
Remove two fields from TargetData which are target specific.
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llvm-svn: 5963
2003-04-26 20:11:09 +00:00
afdf01ef62
Fix compatibility bug: X86 aligns doubles to 4 bytes, not 8!
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llvm-svn: 5935
2003-04-25 06:05:57 +00:00
524608ab79
Add support for the Switch instruction by running the lowerSwitch pass first
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llvm-svn: 5867
2003-04-23 16:24:55 +00:00
30f40d94cc
Rename -no-* to -disable-*
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llvm-svn: 5642
2003-02-26 20:00:41 +00:00
b2809dc6b5
Implement code to keep the stack pointer aligned to an 8 byte boundary.
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This improves the performance of the power benchmark by a few percent.
This will be neccesary for SSE code, which requires 16 byte alignment of
the stack.
llvm-svn: 5320
2003-01-16 02:20:12 +00:00
962d5befb3
* No longer need lowerallocation pass
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* Add X86 Stackifier pass
* Add peephole optimizer pass
llvm-svn: 5233
2003-01-13 00:51:23 +00:00
9a81e69439
* Initialize new FrameInfo member
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* most pass ctors no longer take TM arguments
* New prolog/epilog insertion pass
llvm-svn: 5188
2002-12-28 20:33:32 +00:00
55aaff5590
Free machine code
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llvm-svn: 5146
2002-12-25 05:06:21 +00:00
a32b4055be
Changes to allow for a configurable target machine that allows big endian and/or long pointer operation
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llvm-svn: 5131
2002-12-24 00:04:01 +00:00
d9c6f2a6d3
Local register allocator is now stable enough for use, it passes all tests
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llvm-svn: 5094
2002-12-17 02:51:15 +00:00
e0c25aaf99
Add mechanism to select register allocator to use
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llvm-svn: 5079
2002-12-16 16:15:51 +00:00
0b9f0b5faf
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator
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llvm-svn: 5071
2002-12-16 14:38:13 +00:00
ca8eb8af18
Make function code generation printing debug-only.
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llvm-svn: 5023
2002-12-13 13:16:14 +00:00
4e2c30d894
brg
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InstSelectSimple.cpp: Add stub implementation of visitFreeInst.
Add comments that mention how we are failing to implement malloc/free.
Add initial implementation of visitAllocaInst.
X86TargetMachine.cpp: Include llvm/Transforms/Scalar.h.
Add LowerAllocations pass before instruction selection.
jello/Makefile: Add scalaropts.a.
llvm-svn: 4994
2002-12-13 06:46:31 +00:00
55cf6bfae4
Enable the register allocator pass.
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llvm-svn: 4829
2002-11-22 22:45:07 +00:00
d7a855668d
Print machine code after instruction selection
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llvm-svn: 4434
2002-10-30 00:47:49 +00:00
02a3d837c2
Convert backend to use passes, implement X86TargetMachine
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llvm-svn: 4421
2002-10-29 22:37:54 +00:00
Chris Lattner