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819 Commits

Author SHA1 Message Date
Evan Cheng
37e9005db3 Type inferencing bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25337 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-15 10:04:45 +00:00
Evan Cheng
f805c2ed7f Allow transformation from GlobalAddress to TargetGlobalAddress and 
ExternalSymbol to TargetExternalSymbol.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25252 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-12 19:35:54 +00:00
Evan Cheng
bb48e33bcd GlobalAddress -> TargetGlobalAddress; ExternalSymbol -> TargetExternalSymbol 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25245 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-12 07:54:57 +00:00
Evan Cheng
b2c6d4957a Some minor fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25227 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-11 22:16:13 +00:00
Chris Lattner
8020a5233c Always select target registers to themselves 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25218 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-11 19:52:27 +00:00
Chris Lattner
7893f13ad6 Emit an error instead of an assertion if trying to do bogus things in result patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25194 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-11 01:33:49 +00:00
Robert Bocchino
b52ee7f5ff Added support for the extractelement operation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25181 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-10 19:05:34 +00:00
Evan Cheng
51fecc80f7 * Remove instruction fields hasInFlag / hasOutFlag and added SNDPInFlag and 
SNDPOutFlag to DAG nodes. These properties do not belong to target specific
instructions.
* Added DAG node property SNDPOptInFlag. It's same as SNDPInFlag except it's
optional. Used by ret / call, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25154 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:27:06 +00:00
Evan Cheng
4a7c284b35 Pattern complexity calculation fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25133 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 22:19:44 +00:00
Evan Cheng
e1050d616b Tweak pattern complexity calc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25122 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 02:30:23 +00:00
Evan Cheng
1cf6db2d3b Bug fix wrt chain operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25115 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 00:41:12 +00:00
Jeff Cohen
60e9187a90 Replace fix with one less disruptive to the original code. 
Also note that GCC 4.1 also correctly flags the syntax error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25076 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-04 03:23:30 +00:00
Jeff Cohen
f356d70ec3 Tblgen was generating syntactically illegal C++ code like: 
SDOperand Tmp0,Tmp1,Tmp2,Tmp3,;

GCC has a bug (24907) in which is fails to catch this, but VC++ correctly
notes its illegality, so tblgen must be taught to only generate legal C++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25075 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-04 03:15:19 +00:00
Chris Lattner
11966a0179 Remove obsolete comment, make things look a bit nicer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-04 00:32:01 +00:00
Chris Lattner
602f692461 reduce stack usage of the recursive SelectCode function by out-lining each 
case of the switch statement into its own method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25069 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-04 00:25:00 +00:00
Chris Lattner
4e3c8e516f Remove my previous ugly hack that tries to reduce the stack space usage 
of SelectCode to make way for a better solution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25068 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-03 22:55:16 +00:00
Duraid Madina
d47ae09dab HP-UX DVDs are crunchy and good to eat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25052 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-30 16:41:48 +00:00
Duraid Madina
42d24c71df almost got the HP-UX tester up.. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25051 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-30 14:56:37 +00:00
Nate Begeman
b73628b5ab Add support for generating v4i32 altivec code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25046 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-30 00:12:56 +00:00
Duraid Madina
12f7578214 This gets most of the backends building with HP HappyC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25029 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-27 10:56:22 +00:00
Evan Cheng
2b4ea795a2 Added field noResults to Instruction. 
Currently tblgen cannot tell which operands in the operand list are results so
it assumes the first one is a result. This is bad. Ideally we would fix this
by separating results from inputs, e.g. (res R32:$dst),
(ops R32:$src1, R32:$src2). But that's a more distruptive change. Adding
'let noResults = 1' is the workaround to tell tblgen that the instruction does
not produces a result. It works for now since tblgen does not support
instructions which produce multiple results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25017 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-26 09:11:45 +00:00
Duraid Madina
6fb9a84e79 more standards-compliance stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25014 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-26 05:08:55 +00:00
Andrew Lenharth
330851a8f6 support targetexternalsym 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25005 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-24 23:36:59 +00:00
Evan Cheng
7b05bd5814 * Support for hasInFlag and hasOutFlag (on instructions). Remove nameless FLAG 
support which is fragile.
* Fixed a number of bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24996 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-23 22:11:47 +00:00
Chris Lattner
7a8054f5f2 silence some bogus gcc warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24962 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-22 20:37:36 +00:00
Evan Cheng
3a217f3e53 Attempt to fix a crash on WIN32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24936 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-22 02:35:21 +00:00
Evan Cheng
9793888be8 * Added support for FLAG - a special nameless flag register. Can be used as 
either an operand or a result.
* Fixed some more flag / chain bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24933 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-22 02:24:50 +00:00
Evan Cheng
87bddeb2af Allows instructions which no explicit operands. e.g. X86 RET which has but 
an implicit flag operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24916 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-21 20:20:49 +00:00
Chris Lattner
4e6a1d2433 Eliminate some GCC warnings from the generated code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24897 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-21 05:31:05 +00:00
Evan Cheng
5fb5e10cdc Fix the semantic of Requires<[cond]> to mean if (!cond) goto PXXFail; 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24883 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-20 20:08:01 +00:00
Chris Lattner
2f0f9a6973 This ugly patch works around a GCC bug where it is compiling SelectCode to 
use too much stack space, overflowing the stack for large functions.  Instead
of emitting new SDOperands in each match block, we emit some common ones at
the top of SelectCode then reuse them when possible.

This reduces the stack size of SelectCode from 28K to 21K.  Note that GCC
compiles it to 512 bytes :-/

I've filed GCC PR 25505 to track this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24882 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-20 19:41:03 +00:00
Evan Cheng
4fba28116c Now support instructions with implicit write to non-flag registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24878 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-20 07:37:41 +00:00
Patrick Meredith
dae87b6536 Added a break that I meant to include originally, for efficiency. Basically 
it keeps it from trying to add the same node to the node set
over and over if it matches multiple given patterns.  Also in cases where there
are a lot of patterns to be matched, and it matches an early one, this
will make the script run slightly faster.  It's more there because it logically
should be, than anything else, I mean, Python is never going to be fast ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24876 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-20 02:03:23 +00:00
Evan Cheng
e08705134f Lefted out a fix in the previous check in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24873 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-20 00:06:17 +00:00
Evan Cheng
f9fc25db32 Fix another bug related to chain / flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24868 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 22:40:04 +00:00
Evan Cheng
1b80f4d2c6 Fixes for a number of bugs: save flag results in CodeGenMap, folded chains 
may not all have ResNo == 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24858 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 07:18:51 +00:00
Patrick Meredith
7e1cf1c8f4 This is a script to extract nodes and edges associated with those nodes 
from a dot file that is the output of DSA.  Nodes to extract
are specified by giving the name of the node seen in the graphical
representation, i.e. in the .ps if the node is specified %xyz
asking for just x, xy, or xyz will retain it in the output file.
Because it operates on substrings underspecifying may result
in additional unexpected nodes.  Be as specific as possible.
Obviously, however, if you ask for %xyz and there is a
getelementptr of %xyz you will get both nodes.  Some manual
editing may still be necessary because of this, but this script
can pare down 10,000 line files to 20 line files, making like easier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24851 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-19 01:23:31 +00:00
Chris Lattner
5216c698de Handle basic block nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24833 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-18 21:05:44 +00:00
Chris Lattner
dc464de9b0 More fixes for Selection of copyto/fromreg with a flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24829 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-18 15:45:51 +00:00
Chris Lattner
755dd09815 Select copytoreg and copyfromreg nodes that have flag operands correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24827 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-18 15:28:25 +00:00
Evan Cheng
bcecf33dc2 Support for read / write from explicit registers with FlagVT type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24753 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-17 01:19:28 +00:00
Evan Cheng
58e84a69f5 Added support to specify predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24715 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-14 22:02:59 +00:00
Evan Cheng
01f318bfca Skip over srcvalue nodes when generating ISEL code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24704 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-14 02:21:57 +00:00
Evan Cheng
0e65b27e28 Bug fix: CodeGenMap[N] = ... -> CodeGenMap[N.getValue(0)] = ... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24680 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 23:45:21 +00:00
Evan Cheng
481c8e0501 At top of generated isel SelectCode() is this: 
if (!N.Val->hasOneUse()) {
    std::map<SDOperand, SDOperand>::iterator CGMI = CodeGenMap.find(N);
    if (CGMI != CodeGenMap.end()) return CGMI->second;
  }

Suppose a DAG like this:

           X
         ^   ^
        /     \
      USE1    USE2

Suppose USE1 is being selected first and during which X is selected and
returned a new node. After this, USE1 is no longer an use of X. During USE2
selection, X will be selected again since it has only one use!

The fix is to always query CodeGenMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24679 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 23:22:48 +00:00
Evan Cheng
8621789fcc Bug fix: finding the correct incoming chain for pattern with nested src operand. And a minor change to make output code slightly more readible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24669 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 19:37:43 +00:00
Chris Lattner
0831310441 Send an indicator to llvm-testresults if the build failed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24665 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-11 19:55:39 +00:00
Nate Begeman
28a6b02626 Add support for TargetConstantPool nodes to the dag isel emitter, and use 
them in the PPC backend, to simplify some logic out of Select and
SelectAddr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24657 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-10 02:36:00 +00:00
Evan Cheng
ba7fa0b5d4 Stop emitting a redudant type check for complex pattern node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24655 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-10 01:57:33 +00:00
Evan Cheng
1129e87ff4 For instructions which produce no result, e.g. store, chain's Resno == 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24652 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-10 00:09:17 +00:00