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Author SHA1 Message Date
Chris Lattner
87fa1cef04 inline a simple method 
llvm-svn: 28083
 2006-05-03 17:21:32 +00:00
Chris Lattner
d36b66d6dc 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.

llvm-svn: 28082
 2006-05-03 17:10:41 +00:00
Chris Lattner
b12bd9d7a7 Fix a bug in Owen's checkin that broke the CBE on all non sparc v9 platforms. 
llvm-svn: 28081
 2006-05-03 05:48:41 +00:00
Nate Begeman
a4ea552058 Teach the x86 jit how to handle jump tables not directly used by a jump 
instruction.

llvm-svn: 28080
 2006-05-03 04:52:47 +00:00
Nate Begeman
95a4f191e0 Finish up the initial jump table implementation by allowing jump tables to 
not be 100% dense.  Increase the minimum threshold for the number of cases
in a switch statement from 4 to 6 in order to create a jump table.

llvm-svn: 28079
 2006-05-03 03:48:02 +00:00
Evan Cheng
7e45e4d5c8 A few instruction scheduling test cases. 
llvm-svn: 28077
 2006-05-03 02:11:36 +00:00
Evan Cheng
2922daab4b Bottom up register pressure reduction work: clean up some hacks and enhanced 
the heuristic to further reduce spills for several test cases. (Note, it may
not necessarily translate to runtime win!)

llvm-svn: 28076
 2006-05-03 02:10:45 +00:00
Evan Cheng
ca3dc213dc Set isStore of instructions with ISD::TRUNCSTORE root node. 
llvm-svn: 28075
 2006-05-03 02:08:34 +00:00
Owen Anderson
71bc529dfa 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.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Chris Lattner
be9958e6f7 Align function bodies correctly. 
llvm-svn: 28073
 2006-05-03 01:03:20 +00:00
Chris Lattner
1bfcd5b981 Add a new emitAlignment method 
llvm-svn: 28072
 2006-05-03 01:01:51 +00:00
Chris Lattner
c43d309514 Simplify some code. Don't add memory blocks to the Blocks list twice. 
llvm-svn: 28071
 2006-05-03 00:54:49 +00:00
Chris Lattner
95f75d0506 Add assertions that verify that the actual arguments to a call or invoke match 
the prototype of the called function.

llvm-svn: 28070
 2006-05-03 00:48:22 +00:00
Chris Lattner
06ccac43d7 Change the BasicBlockAddrs map to be a vector, indexed by MBB number. 
llvm-svn: 28069
 2006-05-03 00:32:55 +00:00
Chris Lattner
28ac95615b Keep the alpha JIT similar to the PPC/X86 jits 
llvm-svn: 28068
 2006-05-03 00:31:21 +00:00
Jeff Cohen
657c456ca6 Keep Visual Studio happy. 
llvm-svn: 28067
 2006-05-03 00:28:50 +00:00
Chris Lattner
be23568cea Simplify some code 
llvm-svn: 28066
 2006-05-03 00:13:06 +00:00
Chris Lattner
2bf37af52d 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.

llvm-svn: 28065
 2006-05-02 23:22:24 +00:00
Chris Lattner
95cce111f4 Add a method for allocating space from the code buffer. 
llvm-svn: 28064
 2006-05-02 22:51:03 +00:00
Nate Begeman
d9438bedaa Remove some stuff from the README 
llvm-svn: 28063
 2006-05-02 22:43:31 +00:00
Chris Lattner
8054cd3830 Do not make the JIT memory manager manage the memory for globals. Instead 
just have the JIT malloc them.

llvm-svn: 28062
 2006-05-02 21:57:51 +00:00
Chris Lattner
41cc593fc3 Minor cleanups, no functionality change. 
llvm-svn: 28061
 2006-05-02 21:44:14 +00:00
Chris Lattner
d100478886 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.

llvm-svn: 28060
 2006-05-02 19:14:47 +00:00
Chris Lattner
055baf5c7b 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.

llvm-svn: 28059
 2006-05-02 18:27:26 +00:00
Nate Begeman
d7b4d2a743 Since we don't handle callee-save CRs right yet, don't allocate them. Also 
don't step on R11 in the middle of a function when saving and restoring CRs

llvm-svn: 28058
 2006-05-02 17:37:31 +00:00
Nate Begeman
2a81b6be22 Print function number instead of name 
llvm-svn: 28057
 2006-05-02 17:36:46 +00:00
Nate Begeman
fa83cee567 Hooray, everyone now uses the same printBasicBlockLabel implementation 
llvm-svn: 28056
 2006-05-02 17:34:51 +00:00
Chris Lattner
5c1abc2b94 Remove dead method 
llvm-svn: 28055
 2006-05-02 17:20:28 +00:00
Chris Lattner
436a2304db Remove a now-dead method 
llvm-svn: 28054
 2006-05-02 17:17:13 +00:00
Chris Lattner
c11eac5284 There is no reason to use a virtual method to store this word. 
llvm-svn: 28053
 2006-05-02 17:16:20 +00:00
Chris Lattner
aff0e22c2a Remove the debug machine code emitter. The "FilePrinterEmitter" is moreuseful for debugging. 
llvm-svn: 28052
 2006-05-02 16:59:49 +00:00
Chris Lattner
bb8c8b5d9d Remove the debug machine code emitter. The "FilePrinterEmitter" is more 
useful for debugging.

llvm-svn: 28051
 2006-05-02 16:59:24 +00:00
Nate Begeman
05174045df 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.

llvm-svn: 28050
 2006-05-02 05:37:32 +00:00
Nate Begeman
82a6c0c66c Update the PPC compilation callback code to not need weird abi-violating 
prologs and epilogs, keep all the asm in one place, and remove use of
compiler builtin functions.

llvm-svn: 28049
 2006-05-02 04:50:05 +00:00
Chris Lattner
1275941193 Add pass ID's for various passes, so they can be AddRequiredID. Patch by 
Domagoj Babic!

llvm-svn: 28048
 2006-05-02 04:24:36 +00:00
Jeff Cohen
a35a8a5f9c De-virtualize SwitchSection. 
llvm-svn: 28047
 2006-05-02 03:58:45 +00:00
Jeff Cohen
b257253098 De-virtualize EmitZeroes. 
llvm-svn: 28046
 2006-05-02 03:46:13 +00:00
Jeff Cohen
5c2e201a63 Finish support for Microsoft ML/MASM. May still be a few rough edges. 
llvm-svn: 28045
 2006-05-02 03:11:50 +00:00
Jeff Cohen
ec0f5808a1 Make Intel syntax mode friendlier to Microsoft ML assembler (still needs more work). 
llvm-svn: 28044
 2006-05-02 01:16:28 +00:00
Chris Lattner
8cbad2f76a Put instruction names into the first non TargetInstrInfo namespace found. 
llvm-svn: 28043
 2006-05-01 23:46:16 +00:00
Chris Lattner
85ba2cb9bf New testcase that crashes the new CFE. 
llvm-svn: 28042
 2006-05-01 23:18:55 +00:00
Chris Lattner
c2914c8ac5 Fix a latent bug that my spiller patch last week exposed: we were leaving 
instructions in the virtregfolded map that were deleted.  Because they
were deleted, newly allocated instructions could end up at the same address,
magically finding themselves in the map.  The solution is to remove entries
from the map when we delete the instructions.

llvm-svn: 28041
 2006-05-01 22:03:24 +00:00
Chris Lattner
a9f3c7c50a When promoting a load to a reg-reg copy, where the load was a previous 
instruction folded with spill code, make sure the remove the load from
the virt reg folded map.

llvm-svn: 28040
 2006-05-01 21:17:10 +00:00
Chris Lattner
befcd1e76d Remove previous patch, which wasn't quite right. 
llvm-svn: 28039
 2006-05-01 21:16:03 +00:00
Chris Lattner
da6162633a instructions can be in different namespaces. Make sure to use the right 
one for each instruction.

llvm-svn: 28038
 2006-05-01 17:01:17 +00:00
Chris Lattner
8456272509 Put PHI/INLINEASM into the correct namespace. 
llvm-svn: 28037
 2006-05-01 17:00:49 +00:00
Evan Cheng
0bae850dda Formating 
llvm-svn: 28036
 2006-05-01 09:30:17 +00:00
Evan Cheng
44e851f6ec Dis-favor stores more 
llvm-svn: 28035
 2006-05-01 09:20:44 +00:00
Evan Cheng
494e47d755 Bottom up register-pressure reduction scheduler now pushes store operations 
up the schedule. This helps code that looks like this:

loads ...
computations (first set) ...
stores (first set) ...
loads
computations (seccond set) ...
stores (seccond set) ...

Without this change, the stores and computations are more likely to
interleave:

loads ...
loads ...
computations (first set) ...
computations (second set) ...
computations (first set) ...
stores (first set) ...
computations (second set) ...
stores (stores set) ...

This can increase the number of spills if we are unlucky.

llvm-svn: 28033
 2006-05-01 09:14:40 +00:00
Evan Cheng
efcb0061df Mark instructions whose pattern is (store ...) isStore. 
llvm-svn: 28032
 2006-05-01 09:04:20 +00:00