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283 Commits

Author SHA1 Message Date
Chris Lattner
f6e3b957b8 Fix a bug in ISD::isBuildVectorAllOnesInteger that caused it to always return 
false

llvm-svn: 27131
 2006-03-25 22:59:28 +00:00
Chris Lattner
c2d2811a07 Implement the ISD::isBuildVectorAllOnesInteger predicate 
llvm-svn: 27130
 2006-03-25 22:57:01 +00:00
Chris Lattner
6b05290922 fix some bogus assertions: noop bitconverts are legal 
llvm-svn: 27032
 2006-03-24 02:20:47 +00:00
Chris Lattner
ebac9a4adf Identify the INTRINSIC node 
llvm-svn: 27020
 2006-03-24 01:04:30 +00:00
Chris Lattner
2f4119a608 Implement simple support for vector casting. This can currently only handle 
casts between legal vector types.

llvm-svn: 26961
 2006-03-22 20:09:35 +00:00
Chris Lattner
7c0cd8cafc add some trivial support for extractelement. 
llvm-svn: 26928
 2006-03-21 20:44:12 +00:00
Chris Lattner
672a42d731 Add a hacky workaround for crashes due to vectors live across blocks. 
Note that this code won't work for vectors that aren't legal on the
target.  Improvements coming.

llvm-svn: 26925
 2006-03-21 19:20:37 +00:00
Chris Lattner
00f0589bc0 Add very basic support for VECTOR_SHUFFLE 
llvm-svn: 26880
 2006-03-19 23:56:04 +00:00
Chris Lattner
9cdc5a0ce7 Add SCALAR_TO_VECTOR support 
llvm-svn: 26866
 2006-03-19 06:31:19 +00:00
Chris Lattner
f4e1a53647 Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs. 
llvm-svn: 26847
 2006-03-19 00:52:58 +00:00
Chris Lattner
32206f54c6 Change the structure of lowering vector stuff. Note: This breaks some 
things.

llvm-svn: 26840
 2006-03-18 01:44:44 +00:00
Chris Lattner
98931bc381 add a couple enum values 
llvm-svn: 26830
 2006-03-17 19:53:59 +00:00
Nate Begeman
bb01d4f272 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00
Chris Lattner
4024c00ce7 add support for vector->vector casts 
llvm-svn: 26788
 2006-03-15 22:19:46 +00:00
Chris Lattner
80268aaeed Don't depend on the C99 copysign function, implement it ourselves. 
llvm-svn: 26566
 2006-03-05 23:57:58 +00:00
Jeff Cohen
55e2aac24b Fix VC++ compilation error. 
llvm-svn: 26554
 2006-03-05 21:43:37 +00:00
Chris Lattner
3bc4050217 Add some simple copysign folds 
llvm-svn: 26543
 2006-03-05 05:30:57 +00:00
Chris Lattner
5c1ba2ac08 Codegen copysign[f] into a FCOPYSIGN node 
llvm-svn: 26542
 2006-03-05 05:09:38 +00:00
Evan Cheng
23e75f5b49 SDOperand::isOperand should not be a forwarding. It must check *this against N's operands. 
llvm-svn: 26502
 2006-03-03 06:42:32 +00:00
Evan Cheng
6b08ae8497 Added isOperand(N): true if this is an operand of N 
llvm-svn: 26501
 2006-03-03 06:24:54 +00:00
Chris Lattner
ad3c974a77 remove the read/write port/io intrinsics. 
llvm-svn: 26479
 2006-03-03 00:19:58 +00:00
Evan Cheng
be85e89ec4 - Added VConstant as an abstract version of ConstantVec. 
- All abstrct vector nodes must have # of elements and element type as their
first two operands.

llvm-svn: 26432
 2006-03-01 00:51:13 +00:00
Evan Cheng
9f9662b86e Print ConstantPoolSDNode offset field. 
llvm-svn: 26381
 2006-02-26 08:36:57 +00:00
Evan Cheng
ed169db8a5 Added an offset field to ConstantPoolSDNode. 
llvm-svn: 26371
 2006-02-25 09:54:52 +00:00
Nate Begeman
abac61603f Add checks to make sure we don't create bogus extend nodes, and fix a bug 
where we were doing exactly that which was causing failures on x86 and
alpha.

llvm-svn: 26284
 2006-02-18 02:40:58 +00:00
Chris Lattner
375e1a71cc Fix a tricky issue in the SimplifyDemandedBits code where CombineTo wasn't 
exactly the API we wanted to call into.  This fixes the crash on crafty last
night.

llvm-svn: 26269
 2006-02-17 21:58:01 +00:00
Nate Begeman
5965bd19f8 kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255
 2006-02-17 05:43:56 +00:00
Evan Cheng
a1ef3ec5b5 Added SelectionDAG::InsertISelMapEntry(). This is used to workaround the gcc 
problem where it inline the map insertion call too aggressively. Before this
change it was producing a frame size of 24k for Select_store(), now it's down
to 10k (by calling this method rather than calling the map insertion operator).

llvm-svn: 26094
 2006-02-09 22:11:03 +00:00
Evan Cheng
d3f1db93c1 More changes to reduce frame size. 
Move all getTargetNode() out of SelectionDAG.h into SelectionDAG.cpp. This
prevents them from being inlined.
Change getTargetNode() so they return SDNode * instead of SDOperand to prevent
copying. It should also help compilation speed.

llvm-svn: 26083
 2006-02-09 07:15:23 +00:00
Evan Cheng
d37645c07d * Added SDNode::isOnlyUse(). 
* Fix hasNUsesOfValue(), it should be const.

llvm-svn: 25990
 2006-02-05 06:29:23 +00:00
Chris Lattner
6091407783 remove dead fn 
llvm-svn: 25935
 2006-02-03 06:51:34 +00:00
Evan Cheng
02b5b9cdd6 Added case HANDLENODE to getOperationName(). 
llvm-svn: 25920
 2006-02-03 01:33:01 +00:00
Evan Cheng
32be2dc0af Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
ccb4476c87 Remove some special case hacks for CALLSEQ_*, using UpdateNodeOperands 
instead.

llvm-svn: 25780
 2006-01-29 07:58:15 +00:00
Chris Lattner
758b0ac54b Legalize ConstantFP into TargetConstantFP when the target allows. Implement 
custom expansion of ConstantFP nodes.

llvm-svn: 25772
 2006-01-29 06:26:56 +00:00
Chris Lattner
580b12ad34 add another method variant 
llvm-svn: 25744
 2006-01-28 10:09:25 +00:00
Chris Lattner
f34156e8cb add some methods for updating nodes 
llvm-svn: 25742
 2006-01-28 09:32:45 +00:00
Chris Lattner
fb16a62fba Remove the ISD::CALL and ISD::TAILCALL nodes 
llvm-svn: 25721
 2006-01-28 00:18:58 +00:00
Chris Lattner
476e67be14 initial selectiondag support for new INLINEASM node. Note that inline asms 
with outputs or inputs are not supported yet. :)

llvm-svn: 25664
 2006-01-26 22:24:51 +00:00
Nate Begeman
e74795cd70 First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Chris Lattner
f9a1e3aadc Fix an infinite loop I caused by making sure to legalize the flag operand 
of CALLSEQ_* nodes

llvm-svn: 25582
 2006-01-24 05:48:21 +00:00
Andrew Lenharth
683352382e another couple selects 
llvm-svn: 25551
 2006-01-23 21:51:14 +00:00
Andrew Lenharth
c28563874c another selectto 
llvm-svn: 25548
 2006-01-23 20:59:12 +00:00
Nate Begeman
1e1eb5ee6c Constant fold ctpop/ctlz/cttz, and a couple other small cleanups 
llvm-svn: 25357
 2006-01-16 08:07:10 +00:00
Chris Lattner
9597b33d58 add a missing node name 
llvm-svn: 25327
 2006-01-15 08:39:35 +00:00
Chris Lattner
a5110e854d add stacksave/stackrestore nodes 
llvm-svn: 25270
 2006-01-13 02:39:42 +00:00
Evan Cheng
982493300e ignore register #0 
llvm-svn: 25223
 2006-01-11 22:13:48 +00:00
Nate Begeman
1b8121b227 Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Evan Cheng
53a1f57fc5 New getNode() variants. 
llvm-svn: 25156
 2006-01-09 18:29:18 +00:00
Jim Laskey
762e9ec06c Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00