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068a81e9fca511b9a3b3a0f28a8988a57f994652
Commit Graph

109 Commits

Author SHA1 Message Date
Chris Lattner
068a81e9fc Refactor code into a new method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19635 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-17 17:15:02 +00:00
Chris Lattner
714b69d047 Shift and setcc types default to the pointer type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19619 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 23:59:48 +00:00
Chris Lattner
8ac532c55e Implement legalize of call nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19617 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 19:46:48 +00:00
Chris Lattner
55ba8fba75 Revamp supported ops. Instead of just being supported or not, we now keep 
track of how to deal with it, and provide the target with a hook that they
can use to legalize arbitrary operations in arbitrary ways.

Implement custom lowering for a couple of ops, implement promotion for select
operations (which x86 needs).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19613 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 07:29:19 +00:00
Chris Lattner
171453a284 add method stub 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19612 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 07:28:41 +00:00
Chris Lattner
4b7899343e Don't mash stuff together. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19611 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 07:28:31 +00:00
Chris Lattner
cba82f9339 Use enums, move virtual dtor out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19610 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 07:28:11 +00:00
Chris Lattner
f8161d83f0 Implement some more missing promotions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19606 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 05:06:12 +00:00
Chris Lattner
9467497ae2 Clarify assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19597 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:34 +00:00
Chris Lattner
7636512f59 Add assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:22 +00:00
Chris Lattner
c8ea3c4710 Add support for promoted registers being live across blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19595 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 02:23:07 +00:00
Chris Lattner
cfdfe4ce4a Set up identity transforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19584 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:20:18 +00:00
Chris Lattner
71c42a0190 Move some information into the TargetLowering object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19583 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:11:45 +00:00
Chris Lattner
98e5c0e5e4 Use the new TLI method to get this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19582 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:11:19 +00:00
Chris Lattner
bb97d81cc8 Move some information out of LegalizeDAG into the generic Target interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19581 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 01:10:58 +00:00
Chris Lattner
1713e73b8a legalize a bunch of operations that I missed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19580 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:38:00 +00:00
Chris Lattner
fb849800ea Add support for targets that require promotions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19579 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:37:38 +00:00
Chris Lattner
ff3e50cc39 Fix some serious bugs in promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19578 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:17:42 +00:00
Chris Lattner
950aa3ca2c Eliminate unneeded extensions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19577 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-16 00:17:20 +00:00
Chris Lattner
8b6fa22e72 Implement promotion of a whole bunch more operators. I think that this is 
basically everything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19576 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 22:16:26 +00:00
Chris Lattner
8a389bb376 Print extra type for nodes with extra type info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19575 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 21:11:37 +00:00
Chris Lattner
45b8caf1c5 Add support for legalizing FP_ROUND_INREG, SIGN_EXTEND_INREG, and 
ZERO_EXTEND_INREG for targets that don't support them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19573 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 07:15:18 +00:00
Chris Lattner
4ea6924444 Common code factored out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19572 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 07:14:32 +00:00
Chris Lattner
0f69b29108 Add support for promoting ADD/MUL. 
Add support for new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators.
Realize that if we do any promotions, we need to iterate SelectionDAG
construction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19569 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:18:18 +00:00
Chris Lattner
859157daee Add new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19568 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:17:04 +00:00
Chris Lattner
03c8546ec5 Add intitial support for promoting some operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19565 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 05:21:40 +00:00
Chris Lattner
69a52155d2 Adjust to CopyFromReg changes, implement deletion of truncating/extending 
stores/loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19562 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:38:01 +00:00
Chris Lattner
2ee743ff9b Start implementing truncating stores and extending loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:08:15 +00:00
Chris Lattner
18c2f13e0f Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 20:50:02 +00:00
Chris Lattner
5a6c6d98d5 Don't forget the existing root. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19531 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 19:53:14 +00:00
Chris Lattner
ddb870b065 Codegen independent ops as being independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19528 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:43 +00:00
Chris Lattner
a385e9b20f Legalize new node, add assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19527 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:25 +00:00
Chris Lattner
282c5cae89 Print new node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19526 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:59:10 +00:00
Chris Lattner
2f0ca79a75 Do not fold (zero_ext (sign_ext V)) -> (sign_ext V), they are not the same. 
This fixes llvm-test/SingleSource/Regression/C/casts.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19519 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:51:15 +00:00
Chris Lattner
5c88456227 New method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19517 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:37:47 +00:00
Chris Lattner
2dad454af6 Fix sign extend to long. When coming from sbyte, we used to generate: 
movsbl 4(%esp), %eax
        movl %eax, %edx
        sarl $7, %edx

Now we generate:

        movsbl 4(%esp), %eax
        movl %eax, %edx
        sarl $31, %edx

Which is right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19515 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:19:52 +00:00
Reid Spencer
3bfbf4ea99 Shut up warnings with GCC 3.4.3 about uninitialized variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 14:53:45 +00:00
Chris Lattner
7944d9d995 Add an option to view the selection dags as they are generated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 03:41:21 +00:00
Chris Lattner
c871e1d56f Print the value types in the nodes of the graph 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19485 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:21:04 +00:00
Chris Lattner
f1fdacae8c add an assertion, avoid creating copyfromreg/copytoreg pairs that are the 
same for PHI nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 22:03:46 +00:00
Chris Lattner
7abf820182 Clear the whole array, always. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19482 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 20:25:26 +00:00
Chris Lattner
64da653ba9 Squelch optimized warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19475 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 17:46:49 +00:00
Chris Lattner
e1bd822ddb Teach legalize to lower MEMSET/MEMCPY/MEMMOVE operations if the target 
does not support them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19465 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:57:22 +00:00
Chris Lattner
4c633e82f6 Print new operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19464 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:57:01 +00:00
Chris Lattner
7041ee35ad Turn memset/memcpy/memmove into the corresponding operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19463 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:56:49 +00:00
Chris Lattner
a8d9cc8705 shift X, 0 -> X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19453 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 04:25:13 +00:00
Chris Lattner
e9c44cdf18 Print SelectionDAGs bottom up, include extra info in the node labels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19447 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 00:34:33 +00:00
Chris Lattner
fc08d9c789 Add a marker for the graph root. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19445 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:52:04 +00:00
Chris Lattner
e0646b86e3 Put the operation name in each node, put the function name on the graph. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19444 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:26:00 +00:00
Chris Lattner
d75f19fa42 Split out SDNode::getOperationName into its own method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19443 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-10 23:25:25 +00:00