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972 Commits

Author SHA1 Message Date
Evan Cheng
647c15e58e Backing out fix for PR770. Need to re-apply it after live range splitting is possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28236 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-12 06:06:34 +00:00
Evan Cheng
13d41b9d72 Add capability to scheduler to commute nodes for profit. 
If a two-address code whose first operand has uses below, it should be commuted
when possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28230 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-12 01:58:24 +00:00
Evan Cheng
e165a78551 Refactor scheduler code. Move register-reduction list scheduler to a 
separate file. Added an initial implementation of top-down register pressure
reduction list scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28226 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-11 23:55:42 +00:00
Evan Cheng
e73701df94 PR 770 - permit coallescing of registers in subset register classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28197 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-09 06:37:48 +00:00
Chris Lattner
b6c76ec46e Implement MASM sections correctly, without a "has masm sections flag" and a 
bunch of special case code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28193 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-09 05:33:28 +00:00
Chris Lattner
f668ffc4c2 Split SwitchSection into the SwitchTo{Text|Data}Section functions, to better 
support assemblers that distinguish the two.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28183 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-09 04:59:30 +00:00
Nate Begeman
f01f31eceb Remove unncessary include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28160 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-08 01:33:11 +00:00
Nate Begeman
7328797b16 Somehow, I missed this part of the checkin a couple days ago 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28116 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-05 01:13:11 +00:00
Chris Lattner
6e994b7492 Final pass of minor cleanups for MachineInstr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28110 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 19:36:09 +00:00
Chris Lattner
943b5e117f Remove redundancy and a level of indirection when creating machine operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28107 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 19:14:44 +00:00
Chris Lattner
02597f3b88 Move register numbers out of "extra" into "contents". Other minor cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28106 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 18:25:20 +00:00
Chris Lattner
8b915b4ed2 Remove and simplify some more machineinstr/machineoperand stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28105 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 18:16:01 +00:00
Chris Lattner
2d90ac7ca6 Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28104 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 18:05:43 +00:00
Chris Lattner
68ab4c6367 remove hasAllocatedReg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28103 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:56:20 +00:00
Chris Lattner
e53f4a055f Move some methods out of MachineInstr into MachineOperand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28102 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:52:23 +00:00
Chris Lattner
63b3d7113d There shalt be only one "immediate" operand type! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28099 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:21:20 +00:00
Chris Lattner
ceb408f6a2 Change "value" in MachineOperand to be a GlobalValue, as that is the only 
thing that can be in it.  Remove a dead method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28098 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 17:02:51 +00:00
Chris Lattner
4efeab208c Remove a bunch more dead V9 specific stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28094 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 01:26:39 +00:00
Chris Lattner
ea50fabfd4 Remove a bunch more SparcV9 specific stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28093 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 01:15:02 +00:00
Chris Lattner
34fb2cad46 Remove some more V9-specific stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28092 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 00:49:59 +00:00
Chris Lattner
10f3597c4e Remove some more unused stuff from MachineInstr that was leftover from V9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28091 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-04 00:44:25 +00:00
Chris Lattner
5a032de387 Change from using MachineRelocation ctors to using static methods 
in MachineRelocation to create Relocations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28088 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 20:30:20 +00:00
Chris Lattner
1e3822c776 Cleanup the internal implementation of MachineRelocation. No interface or 
functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28086 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 18:52:31 +00:00
Chris Lattner
b4432f3d47 Suck block address tracking out of targets into the JIT Emitter. This 
simplifies the MachineCodeEmitter interface just a little bit and makes
BasicBlocks work like constant pools and jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28082 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 17:10:41 +00:00
Owen Anderson
a69571c799 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 01:29:57 +00:00
Chris Lattner
3db9e30c09 Add a new emitAlignment method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28072 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 01:01:51 +00:00
Chris Lattner
af1563fb62 Change the BasicBlockAddrs map to be a vector, indexed by MBB number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28069 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 00:32:55 +00:00
Chris Lattner
f75f9be3fb Several related changes: 
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 23:22:24 +00:00
Chris Lattner
1f4549f35c Add a method for allocating space from the code buffer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28064 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 22:51:03 +00:00
Chris Lattner
f5d438c1f0 Do not make the JIT memory manager manage the memory for globals. Instead 
just have the JIT malloc them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 21:57:51 +00:00
Chris Lattner
d3f0aefc33 Fix a purely hypothetical problem (for now): emitWord emits in the host 
byte format.  This doesn't work when using the code emitter in a cross target
environment.  Since the code emitter is only really used by the JIT, this
isn't a current problem, but if we ever start emitting .o files, it would be.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28060 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 19:14:47 +00:00
Chris Lattner
43b429b059 Refactor the machine code emitter interface to pull the pointers for the current 
code emission location into the base class, instead of being in the derived classes.

This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments.  This implements feature request #1 of PR469.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28059 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 18:27:26 +00:00
Chris Lattner
15bddb96c3 Remove a now-dead method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28054 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 17:17:13 +00:00
Chris Lattner
14c03058be Remove the debug machine code emitter. The "FilePrinterEmitter" is moreuseful for debugging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 16:59:49 +00:00
Nate Begeman
cdf38c4edb Extend printBasicBlockLabel a bit so that it can be used to print all 
basic block labels, consolidating the code to do so in one place for each
target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28050 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 05:37:32 +00:00
Jeff Cohen
51b776d259 De-virtualize SwitchSection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28047 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 03:58:45 +00:00
Jeff Cohen
c6a057b04d De-virtualize EmitZeroes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28046 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 03:46:13 +00:00
Jeff Cohen
4f1ea1e9d9 Finish support for Microsoft ML/MASM. May still be a few rough edges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28045 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 03:11:50 +00:00
Jeff Cohen
c884db47f1 Make Intel syntax mode friendlier to Microsoft ML assembler (still needs more work). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28044 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-02 01:16:28 +00:00
Evan Cheng
55d0fa1bfa Remove the temporary option: -no-isel-fold-inflight 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28012 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 18:54:11 +00:00
Evan Cheng
552c4a8494 Added a temporary option -no-isel-fold-inflight to control whether a "inflight" 
node can be folded.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28003 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 02:09:19 +00:00
Evan Cheng
ccdcdf3e2e Added addJumpTableIndex 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27956 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 06:42:15 +00:00
Nate Begeman
9453eea49b Fix the updating of the machine CFG when a PHI node was in a successor of 
the jump table's range check block.  This re-enables 100% dense jump tables
by default on PPC & x86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 06:26:20 +00:00
Nate Begeman
3700a4d3a2 Code cleanup associated with jump tables, thanks to Chris for noticing 
these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 23:52:35 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Chris Lattner
05b9773300 Remove some of the obvious v9-specific cruft 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27894 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 18:09:13 +00:00
Nate Begeman
6baa2b7220 Fix a copy & paste error from long ago. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27800 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-18 16:03:18 +00:00
Chris Lattner
6b56091842 Add some convenience methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27774 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 21:35:08 +00:00
Reid Spencer
ace44dbbab Make sure both member variables are initialized in the default constructor 
for SDOperand. This gets rid of numerous warnings in lib/CodeGen and
lib/Target when compiled with GCC 4.0.2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27607 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 16:44:15 +00:00
Chris Lattner
681ee1c1c3 new dag node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27596 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 21:30:42 +00:00