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375 Commits

Author SHA1 Message Date
Chris Lattner
6bb71c2ebd Add SCALAR_TO_VECTOR support 
llvm-svn: 26866
 2006-03-19 06:31:19 +00:00
Chris Lattner
db243940bd 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
35b6933508 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
3358842eb5 add a couple enum values 
llvm-svn: 26830
 2006-03-17 19:53:59 +00:00
Nate Begeman
42736d46b2 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
95577cb3cd add support for vector->vector casts 
llvm-svn: 26788
 2006-03-15 22:19:46 +00:00
Chris Lattner
101ce8f304 Don't depend on the C99 copysign function, implement it ourselves. 
llvm-svn: 26566
 2006-03-05 23:57:58 +00:00
Jeff Cohen
578bf37e22 Fix VC++ compilation error. 
llvm-svn: 26554
 2006-03-05 21:43:37 +00:00
Chris Lattner
827e3f62b0 Add some simple copysign folds 
llvm-svn: 26543
 2006-03-05 05:30:57 +00:00
Chris Lattner
4b4b3e6cbb Codegen copysign[f] into a FCOPYSIGN node 
llvm-svn: 26542
 2006-03-05 05:09:38 +00:00
Evan Cheng
4ddc3b2c54 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
183b913508 Added isOperand(N): true if this is an operand of N 
llvm-svn: 26501
 2006-03-03 06:24:54 +00:00
Chris Lattner
999aa36a04 remove the read/write port/io intrinsics. 
llvm-svn: 26479
 2006-03-03 00:19:58 +00:00
Evan Cheng
2cbf9d93d3 - 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
5abf5b2ce4 Print ConstantPoolSDNode offset field. 
llvm-svn: 26381
 2006-02-26 08:36:57 +00:00
Evan Cheng
026fd6af96 Added an offset field to ConstantPoolSDNode. 
llvm-svn: 26371
 2006-02-25 09:54:52 +00:00
Nate Begeman
bbcae2bf3d 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
bd36f029ef 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
9c0ab71f4a 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
7441e03b0b 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
3486292b7d 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
d46a7fc65a * Added SDNode::isOnlyUse(). 
* Fix hasNUsesOfValue(), it should be const.

llvm-svn: 25990
 2006-02-05 06:29:23 +00:00
Chris Lattner
541258d077 remove dead fn 
llvm-svn: 25935
 2006-02-03 06:51:34 +00:00
Evan Cheng
c21098e77c Added case HANDLENODE to getOperationName(). 
llvm-svn: 25920
 2006-02-03 01:33:01 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
3cddcf86e0 Remove some special case hacks for CALLSEQ_*, using UpdateNodeOperands 
instead.

llvm-svn: 25780
 2006-01-29 07:58:15 +00:00
Chris Lattner
3f97b9cfa3 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
8768eb7532 add another method variant 
llvm-svn: 25744
 2006-01-28 10:09:25 +00:00
Chris Lattner
63f7e84632 add some methods for updating nodes 
llvm-svn: 25742
 2006-01-28 09:32:45 +00:00
Chris Lattner
e7428f436a Remove the ISD::CALL and ISD::TAILCALL nodes 
llvm-svn: 25721
 2006-01-28 00:18:58 +00:00
Chris Lattner
b2771c7fcb 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
c29fac7fce 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
cfb7a75ce9 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
35efa9c2d9 another couple selects 
llvm-svn: 25551
 2006-01-23 21:51:14 +00:00
Andrew Lenharth
28a8d211f6 another selectto 
llvm-svn: 25548
 2006-01-23 20:59:12 +00:00
Nate Begeman
ea80828ef2 Constant fold ctpop/ctlz/cttz, and a couple other small cleanups 
llvm-svn: 25357
 2006-01-16 08:07:10 +00:00
Chris Lattner
c23f5e6dc7 add a missing node name 
llvm-svn: 25327
 2006-01-15 08:39:35 +00:00
Chris Lattner
fac137d4bd add stacksave/stackrestore nodes 
llvm-svn: 25270
 2006-01-13 02:39:42 +00:00
Evan Cheng
7bd69b756e ignore register #0 
llvm-svn: 25223
 2006-01-11 22:13:48 +00:00
Nate Begeman
cff96008ac 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
7a32c047d9 New getNode() variants. 
llvm-svn: 25156
 2006-01-09 18:29:18 +00:00
Jim Laskey
5eddaee9f3 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
Nate Begeman
25fe5b2b76 Make sure to pass the offset into the new node, so that we don't silently 
drop it on the floor.

llvm-svn: 25044
 2005-12-30 00:10:38 +00:00
Chris Lattner
28887b3ca6 Fold bitconv(bitconv(x)) -> x. We now compile this: 
void foo(double);
void bar(double X) { foo(X); }

to this:

bar:
        save -96, %o6, %o6
        or %g0, %i0, %o0
        or %g0, %i1, %o1
        call foo
        nop
        restore %g0, %g0, %g0
        retl
        nop

instead of this:

bar:
        save -112, %o6, %o6
        st %i1, [%i6+-4]
        st %i0, [%i6+-8]
        ldd [%i6+-8], %f0
        std %f0, [%i6+-16]
        ld [%i6+-12], %o1
        ld [%i6+-16], %o0
        call foo
        nop
        restore %g0, %g0, %g0
        retl
        nop

on V8.

llvm-svn: 24981
 2005-12-23 05:37:50 +00:00
Chris Lattner
9ee4ecfe74 constant fold bits_convert in getNode and in the dag combiner for fp<->int 
conversions.  This allows V8 to compiles this:

void %test() {
        call float %test2( float 1.000000e+00, float 2.000000e+00, double 3.000000e+00, double* null )
        ret void
}

into:

test:
        save -96, %o6, %o6
        sethi 0, %o3
        sethi 1049088, %o2
        sethi 1048576, %o1
        sethi 1040384, %o0
        or %g0, %o3, %o4
        call test2
        nop
        restore %g0, %g0, %g0
        retl
        nop

instead of:

test:
        save -112, %o6, %o6
        sethi 0, %o4
        sethi 1049088, %l0
        st %o4, [%i6+-12]
        st %l0, [%i6+-16]
        ld [%i6+-12], %o3
        ld [%i6+-16], %o2
        sethi 1048576, %o1
        sethi 1040384, %o0
        call test2
        nop
        restore %g0, %g0, %g0
        retl
        nop

llvm-svn: 24980
 2005-12-23 05:30:37 +00:00
Chris Lattner
a59cc5ebbb add very simple support for the BIT_CONVERT node 
llvm-svn: 24970
 2005-12-23 00:16:34 +00:00
Chris Lattner
73f38507d9 remove dead code 
llvm-svn: 24965
 2005-12-22 21:16:08 +00:00
Evan Cheng
44e4e6a57f Added a hook to print out names of target specific DAG nodes. 
llvm-svn: 24877
 2005-12-20 06:22:03 +00:00
Evan Cheng
503d37094f Print out opcode number if it's an unknown target node. 
llvm-svn: 24869
 2005-12-19 23:11:49 +00:00
Chris Lattner
91987b5c3c Fix a case where the DAG Combiner would accidentally CSE flag-producing nodes, 
creating graphs that cannot be scheduled.

llvm-svn: 24866
 2005-12-19 22:21:21 +00:00