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3410 Commits

Author SHA1 Message Date
Chris Lattner
5c82be2ffc ADd a method 
llvm-svn: 22954
 2005-08-21 19:48:53 +00:00
Chris Lattner
d76cf28d13 Add 5-operand version of SelectNodeTo 
llvm-svn: 22950
 2005-08-21 18:49:58 +00:00
Chris Lattner
0c4565bf91 ADd support for TargetGlobalAddress nodes 
llvm-svn: 22939
 2005-08-19 22:31:34 +00:00
Chris Lattner
6fcfaee2fc Add a new field to TargetInstrDescriptor for tracking information about 
operands.

llvm-svn: 22908
 2005-08-19 16:56:26 +00:00
Nate Begeman
0966f7d0b9 Add support for target nodes with more than 3 operands, required by ppc 
llvm-svn: 22894
 2005-08-19 00:56:28 +00:00
Nate Begeman
a978ae8b7d Remove the X86 and PowerPC Simple instruction selectors; their time has 
passed.

llvm-svn: 22886
 2005-08-18 23:53:15 +00:00
Chris Lattner
2e3f21c27f add a method 
llvm-svn: 22867
 2005-08-18 18:44:33 +00:00
Nate Begeman
474ec3c02d Add support for target DAG nodes that take 4 operands, such as PowerPC's 
rlwinm.

llvm-svn: 22856
 2005-08-18 07:30:15 +00:00
Jim Laskey
b45eb1e518 include/llvm/Support/MathExtras.h 
llvm-svn: 22846
 2005-08-17 23:54:12 +00:00
Nate Begeman
50efb750b6 Add two new methods isTargetOpcode() which returns true if the node type 
is greater than the range of building selection dag node types, and
getTargetOpcode(), which returns the node opcode less the value of
isd::builtin_op_end, which specifies the end of the builtin types.

llvm-svn: 22844
 2005-08-17 23:44:54 +00:00
Jim Laskey
d761e8859d Move the code dependency for MathExtras.h from SelectionDAGNodes.h. 
Added some class dividers in SelectionDAG.cpp.

llvm-svn: 22841
 2005-08-17 20:08:02 +00:00
Jim Laskey
5f57048c62 Move code dependency for MathExtras.h out of Constants.h. 
llvm-svn: 22840
 2005-08-17 20:06:22 +00:00
Jim Laskey
61e3d7bca5 Culling out use of unions for converting FP to bits and vice versa. 
llvm-svn: 22838
 2005-08-17 19:34:49 +00:00
Chris Lattner
14518a342f add ReplaceAllUsesWith, and a helper to implemented it 
llvm-svn: 22833
 2005-08-17 18:59:17 +00:00
Chris Lattner
1e93590d9f Make removeUser more efficient, add a matching addUser. 
Fix the setOperands methods I added to update use/def information correctly.

llvm-svn: 22832
 2005-08-17 18:58:38 +00:00
Jim Laskey
f183efcfa2 Added support for converting raw bits to FP, and FP to raw bits. The intent 
is to avoid the distraction of the union declarations.

llvm-svn: 22830
 2005-08-17 17:27:47 +00:00
Chris Lattner
d3add16ed6 This was moved to the .cpp file 
llvm-svn: 22827
 2005-08-17 06:46:50 +00:00
Chris Lattner
1fc1d60d5a add a helper 
llvm-svn: 22823
 2005-08-17 06:34:37 +00:00
Chris Lattner
dd99fbadb7 make sure to remove a node from the use list of its operands when we replace 
it.

llvm-svn: 22820
 2005-08-17 01:54:00 +00:00
Chris Lattner
3895acdb6a add some helper methods, and a new TargetConstant node, which is not 
subjected to folding.

llvm-svn: 22812
 2005-08-17 00:33:30 +00:00
Chris Lattner
9838157648 remove a dead enum value, making a comment above correct again 
llvm-svn: 22810
 2005-08-16 22:04:58 +00:00
Chris Lattner
3b7e157005 Eliminate the RegSDNode class, which 3 nodes (CopyFromReg/CopyToReg/ImplicitDef) 
used to tack a register number onto the node.

Instead of doing this, make a new node, RegisterSDNode, which is a leaf
containing a register number.  These three operations just become normal
DAG nodes now, instead of requiring special handling.

Note that with this change, it is no longer correct to make illegal
CopyFromReg/CopyToReg nodes.  The legalizer will not touch them, and this
is bad, so don't do it. :)

llvm-svn: 22806
 2005-08-16 21:55:35 +00:00
Nate Begeman
f6b6378f23 Implement BR_CC and BRTWOWAY_CC. This allows the removal of a rather nasty 
fixme from the PowerPC backend.  Emit slightly better code for legalizing
select_cc.

llvm-svn: 22805
 2005-08-16 19:49:35 +00:00
Chris Lattner
c93a92c951 allow passing a dag into getOperationName and dump 
llvm-svn: 22803
 2005-08-16 18:32:18 +00:00
Chris Lattner
0b9933e14b add some methods for dag->dag isel 
llvm-svn: 22800
 2005-08-16 18:16:24 +00:00
Nate Begeman
021a5b3fe1 Remove an unncessary argument to SimplifySelectCC and add an additional 
assert when creating a select_cc node.

llvm-svn: 22780
 2005-08-13 06:14:17 +00:00
Nate Begeman
4e8f777256 Fix the fabs regression on x86 by abstracting the select_cc optimization 
out into SimplifySelectCC.  This allows both ISD::SELECT and ISD::SELECT_CC
to use the same set of simplifying folds.

llvm-svn: 22779
 2005-08-13 06:00:21 +00:00
Chris Lattner
879c4db070 add a helper method 
llvm-svn: 22767
 2005-08-12 22:13:27 +00:00
Nate Begeman
206e850add Some SELECT_CC cleanups: 
1. move assertions for node creation to getNode()
2. legalize the values returned in ExpandOp immediately
3. Move select_cc optimizations from SELECT's getNode() to SELECT_CC's,
   allowing them to be cleaned up significantly.

This paves the way to pick up additional optimizations on SELECT_CC, such
as sum-of-absolute-differences.

llvm-svn: 22757
 2005-08-11 01:12:20 +00:00
Nate Begeman
eddc9d4856 Add new node, SELECT_CC. This node is for targets that don't natively 
implement SELECT.

llvm-svn: 22755
 2005-08-10 20:51:12 +00:00
Chris Lattner
7597afd2b5 add two helper methods 
llvm-svn: 22735
 2005-08-09 23:36:18 +00:00
Chris Lattner
40937543ee I can't believe I caught this before Misha! :) 
llvm-svn: 22733
 2005-08-09 23:08:53 +00:00
Chris Lattner
0fa4402b59 Eliminate the SetCCSDNode in favor of a CondCodeSDNode class. This pulls the 
CC out of the SetCC operation, making SETCC a standard ternary operation and
CC's a standard DAG leaf.  This will make it possible for other node to use
CC's as operands in the future...

llvm-svn: 22728
 2005-08-09 20:20:18 +00:00
Chris Lattner
cb28e2f105 add a new helper method 
llvm-svn: 22697
 2005-08-08 05:21:33 +00:00
Chris Lattner
feb0442901 Since getSubtarget() always provides a const Subtarget, dont' require the user 
to pass it in.  Also, since it always returns a non-null pointer, make it
return a reference instead for easier use.

llvm-svn: 22686
 2005-08-05 21:53:21 +00:00
Chris Lattner
752c3e7b35 Mark hasConstantValue as a const method 
llvm-svn: 22666
 2005-08-05 00:49:06 +00:00
Nate Begeman
7547f4085b Add an extra parameter that Chris requested 
llvm-svn: 22665
 2005-08-04 23:50:43 +00:00
Nate Begeman
ef41400067 Fix a fixme in CondPropagate.cpp by moving a PhiNode optimization into 
BasicBlock's removePredecessor routine.  This requires shuffling around
the definition and implementation of hasContantValue from Utils.h,cpp into
Instructions.h,cpp

llvm-svn: 22664
 2005-08-04 23:24:19 +00:00
Chris Lattner
b2f675c588 Fix an obvious bug in the Log2 stuff that broke SingleSource/UnitTests/2005-05-12-Int64ToFP 
last night.

llvm-svn: 22630
 2005-08-03 20:53:19 +00:00
Chris Lattner
42474809e3 Wrap comments to 80 cols, fix code sequence for CountLeadingZeros_64 on 
non-ppc GCC 4.0 machines.  Patch by Jim Laskey!

llvm-svn: 22618
 2005-08-03 16:53:58 +00:00
Chris Lattner
260411fd9f Fix another bug in the clz patch that caused miscompilations when !gcc4 
llvm-svn: 22616
 2005-08-03 01:04:40 +00:00
Chris Lattner
420424b477 Fix the non-gcc 4.0 paths for countleadingzeros 
Patch fixed by Jim Laskey

llvm-svn: 22598
 2005-08-02 20:21:33 +00:00
Chris Lattner
4b86bc6f31 Fix inverted conditionals 
llvm-svn: 22597
 2005-08-02 20:06:18 +00:00
Chris Lattner
a9994bf67a Fix the non-gcc 4.0 path to compile 
llvm-svn: 22593
 2005-08-02 19:21:51 +00:00
Chris Lattner
eed3c76305 Consolidate all of the various log2 computing functions into MathExtras.h. 
Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!

llvm-svn: 22591
 2005-08-02 19:15:30 +00:00
Jeff Cohen
82a6b596d0 Implement SetInterruptFunction for Windows. 
llvm-svn: 22582
 2005-08-02 03:04:47 +00:00
Chris Lattner
4558fc8536 add a new function proto 
llvm-svn: 22577
 2005-08-02 02:13:42 +00:00
Chris Lattner
367080bfc2 Mark these as V9 specific 
llvm-svn: 22572
 2005-08-01 20:38:31 +00:00
Jeff Cohen
019104459d Keep tabs and trailing spaces out. 
llvm-svn: 22565
 2005-07-30 18:33:25 +00:00
Nate Begeman
0d1a7b6737 Break SCEVExpander out of IndVarSimplify into its own .h/.cpp file so that 
other passes may use it.

llvm-svn: 22557
 2005-07-30 00:12:19 +00:00