wangtao
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
27,378 Commits 29 Branches 0 Tags 2.2 GiB
Commit Graph

368 Commits

Author SHA1 Message Date
Evan Cheng 445b91a041 Clear TopOrder before assigning topological order. Some clean ups. 
llvm-svn: 29546
 2006-08-07 22:13:29 +00:00
Chris Lattner 8927c875bb Make SelectionDAG::RemoveDeadNodes iterative instead of recursive, which 
also make it simpler.

llvm-svn: 29524
 2006-08-04 17:45:20 +00:00
Evan Cheng bba1ebda32 - Change AssignTopologicalOrder to return vector of SDNode* by reference. 
- Tweak implementation to avoid using std::map.

llvm-svn: 29479
 2006-08-02 22:00:34 +00:00
Evan Cheng 9631a60020 Added AssignTopologicalOrder() to assign each node an unique id based on their topological order. 
llvm-svn: 29431
 2006-08-01 08:20:41 +00:00
Evan Cheng b572401bea Remove InFlightSet hack. No longer needed. 
llvm-svn: 29373
 2006-07-28 00:47:19 +00:00
Evan Cheng acb606ff33 AssignNodeIds should return unsigned. 
llvm-svn: 29343
 2006-07-27 07:36:47 +00:00
Evan Cheng 29eefc164c AssignNodeIds assign each node in the DAG an unique id. 
llvm-svn: 29337
 2006-07-27 06:39:06 +00:00
Chris Lattner c0973edc69 Add an out-of-line virtual method for the sdnode class to give it a home. 
llvm-svn: 29192
 2006-07-19 00:00:37 +00:00
Evan Cheng d19938834b Ugly hack! Add helper functions InsertInFlightSetEntry and 
RemoveInFlightSetEntry. They are used in place of direct set operators to
reduce instruction selection function stack size.

llvm-svn: 28987
 2006-06-29 23:57:05 +00:00
Chris Lattner 710b3d5ea1 Fix CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll 
llvm-svn: 28965
 2006-06-28 18:29:47 +00:00
Chris Lattner aaa23d953f Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo 
produce it.

llvm-svn: 28338
 2006-05-16 22:53:20 +00:00
Chris Lattner da076e41ab remove dead vars 
llvm-svn: 28254
 2006-05-12 18:04:28 +00:00
Chris Lattner 8c02c3f41a Compile: 
%tmp152 = setgt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %tmp159 = setlt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %bothcond2 = or bool %tmp152, %tmp159           ; <bool> [#uses=1]

To setne, not setune, which causes an assertion fault.

llvm-svn: 28244
 2006-05-12 17:03:46 +00:00
Chris Lattner 78da6792e7 Fold shifts with undef operands. 
llvm-svn: 28167
 2006-05-08 17:29:49 +00:00
Chris Lattner 751817c54f constant fold sign_extend_inreg 
llvm-svn: 28151
 2006-05-06 23:05:41 +00:00
Chris Lattner 393d96a56c Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll and 
PR748.

llvm-svn: 27987
 2006-04-27 05:01:07 +00:00
Nate Begeman 4ca2ea5b43 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Chris Lattner bc1b262725 Implement folding of a bunch of binops with undef 
llvm-svn: 27863
 2006-04-20 05:39:12 +00:00
Chris Lattner 7e7ad593cc Make these predicates return true for bit_convert(buildvector)'s as well as 
buildvectors.

llvm-svn: 27723
 2006-04-15 23:38:00 +00:00
Chris Lattner d3b504ae10 Implement support for the formal_arguments node. To get this, targets shouldcustom legalize it and remove their XXXTargetLowering::LowerArguments overload 
llvm-svn: 27604
 2006-04-12 16:20:43 +00:00
Chris Lattner 417b96b6dd Don't memoize vloads in the load map! Don't memoize them anywhere here, let 
getNode do it.  This fixes CodeGen/Generic/2006-04-11-vecload.ll

llvm-svn: 27602
 2006-04-12 03:25:41 +00:00
Chris Lattner 02274a5265 Add code generator support for VSELECT 
llvm-svn: 27542
 2006-04-08 22:22:57 +00:00
Chris Lattner a9e77d14c7 Constant fold bitconvert(undef) 
llvm-svn: 27391
 2006-04-04 01:02:22 +00:00
Chris Lattner 1c22728787 These entries already exist 
llvm-svn: 27340
 2006-04-02 02:51:27 +00:00
Chris Lattner 1985e1cbb8 Add some missing node names 
llvm-svn: 27339
 2006-04-02 02:41:18 +00:00
Chris Lattner 5fe1f54c17 Significantly improve handling of vectors that are live across basic blocks, 
handling cases where the vector elements need promotion, expansion, and when
the vector type itself needs to be decimated.

llvm-svn: 27278
 2006-03-31 02:06:56 +00:00
Chris Lattner 8d57da2ffc new node 
llvm-svn: 27231
 2006-03-28 19:54:42 +00:00
Chris Lattner ffec47ebff Add an assertion 
llvm-svn: 27228
 2006-03-28 19:04:49 +00:00
Chris Lattner e55d171ccd Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 
llvm-svn: 27201
 2006-03-28 00:40:33 +00:00
Chris Lattner 0e84f1e532 Unbreak the build on non-apple compilers :-( 
llvm-svn: 27173
 2006-03-27 16:10:59 +00:00
Evan Cheng d09b05b0bc Try again 
llvm-svn: 27171
 2006-03-27 08:10:26 +00:00
Evan Cheng 64efb35c32 Incorrect check for FP all one's 
llvm-svn: 27169
 2006-03-27 07:26:17 +00:00
Evan Cheng c70e33cd6e Change isBuildVectorAllOnesInteger to isBuildVectorAllOnes. Also check for 
floating point cases.

llvm-svn: 27165
 2006-03-27 06:58:47 +00:00
Chris Lattner 52fcad3a37 Instead of printing "INTRINSIC" on intrinsic node, print the intrinsic name. 
llvm-svn: 27164
 2006-03-27 06:45:25 +00:00
Evan Cheng a67899195f Add ISD::isBuildVectorAllZeros predicate 
llvm-svn: 27147
 2006-03-26 09:50:58 +00:00
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
Nate Begeman 164db3a7eb 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 efbbedbf4a 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 a187460552 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 36e663d6e1 add very simple support for the BIT_CONVERT node 
llvm-svn: 24970
 2005-12-23 00:16:34 +00:00
Chris Lattner 177d7af5d5 remove dead code 
llvm-svn: 24965
 2005-12-22 21:16:08 +00:00
Evan Cheng 6af02635a7 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 9fd9541367 Print out opcode number if it's an unknown target node. 
llvm-svn: 24869
 2005-12-19 23:11:49 +00:00
Chris Lattner 50b2d302d5 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
Jim Laskey 7c462768ed Added source file/line correspondence for dwarf (PowerPC only at this point.) 
llvm-svn: 24748
 2005-12-16 22:45:29 +00:00
Evan Cheng dadc1057ac Added new getNode and getTargetNode variants for X86 stores. 
llvm-svn: 24653
 2005-12-10 00:37:58 +00:00
Nate Begeman 41b1cdc771 Teach the SelectionDAG ISel how to turn ConstantPacked values into 
constant nodes with vector types.  Also teach the asm printer how to print
ConstantPacked constant pool entries.  This allows us to generate altivec
code such as the following, which adds a vector constantto a packed float.

LCPI1_0:  <4 x float> < float 0.0e+0, float 0.0e+0, float 0.0e+0, float 1.0e+0 >
        .space  4
        .space  4
        .space  4
        .long   1065353216      ; float 1
        .text
        .align  4
        .globl  _foo
_foo:
        lis r2, ha16(LCPI1_0)
        la r2, lo16(LCPI1_0)(r2)
        li r4, 0
        lvx v0, r4, r2
        lvx v1, r4, r3
        vaddfp v0, v1, v0
        stvx v0, r4, r3
        blr

For the llvm code:

void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = add <4 x float> %tmp1, < float 0.0, float 0.0, float 0.0, float 1.0 >
  store <4 x float> %tmp2, <4 x float> *%a
  ret void
}

llvm-svn: 24616
 2005-12-06 06:18:55 +00:00
Chris Lattner 0142afd6c1 Don't remove two operand, two result nodes from the binary ops map. These 
should come from the arbitrary ops map.

This fixes Regression/CodeGen/PowerPC/2005-12-01-Crash.ll

llvm-svn: 24571
 2005-12-01 23:14:50 +00:00
Chris Lattner 9d0d715e83 This is a bugfix for SelectNodeTo. In certain situations, we could be 
selecting a node and use a mix of getTargetNode() and SelectNodeTo.  Because
SelectNodeTo didn't check the CSE maps for a preexisting node and didn't insert
its result into the CSE maps, we would sometimes miss a CSE opportunity.

This is extremely rare, but worth fixing for completeness.

llvm-svn: 24565
 2005-12-01 18:00:57 +00:00
Chris Lattner be5dd5da19 Make SelectNodeTo return N 
llvm-svn: 24548
 2005-11-30 22:45:14 +00:00
Chris Lattner c174048430 CALLSEQ_START/END nodes don't get memoized, do not add them in when 
replaceAllUses'ing.

llvm-svn: 24539
 2005-11-30 18:20:52 +00:00