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55db991b47
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15349 Commits

Author SHA1 Message Date
Andrew Lenharth
55db991b47 Reduce the amount of state in the lowering code and drop old pattern ISel functions 
llvm-svn: 30881
 2006-10-11 16:24:51 +00:00
Jim Laskey
fd6218f8f5 Fix regression in combiner alias analysis. 
llvm-svn: 30880
 2006-10-11 13:47:09 +00:00
Evan Cheng
9b31a4d4ed Naming consistency. 
llvm-svn: 30878
 2006-10-11 07:10:22 +00:00
Chris Lattner
b9c1ea6dcc Use cute tblgen tricks to make zap handling more powerful. Specifically, 
when the dag combiner simplifies an and mask, notice this and allow those bits
to be missing from the zap mask.

This compiles Alpha/zapnot4.ll into:

        sll $16,3,$0
        zapnot $0,3,$0
        ret $31,($26),1

instead of:

        ldah $0,1($31)
        lda $0,-8($0)
        sll $16,3,$1
        and $1,$0,$0
        ret $31,($26),1

It would be *really* nice to replace the hunk of code in the
AlphaISelDAGToDAG.cpp file that matches (and (srl (x, C), c2) into
(SRL (ZAPNOTi)) with a similar pattern, but I've spent enough time poking
at alpha.  Make andrew will do this.

llvm-svn: 30875
 2006-10-11 05:13:56 +00:00
Andrew Lenharth
4b783303e5 Jimptables working again on alpha. 
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.

llvm-svn: 30873
 2006-10-11 04:29:42 +00:00
Chris Lattner
95a8905db2 Remove dead/redundant instructions. These are handled by ZAPNOTi 
llvm-svn: 30872
 2006-10-11 04:12:39 +00:00
Chris Lattner
aa1741fc87 add two helper methods. 
llvm-svn: 30869
 2006-10-11 03:58:02 +00:00
Andrew Lenharth
7a79f1df15 This entry is done. switched to the gcc way of doing things. 
llvm-svn: 30867
 2006-10-11 01:48:03 +00:00
Evan Cheng
d6b419ecb0 FindModifiedNodeSlot needs to add LoadSDNode ivars to create proper SelectionDAGCSEMap ID. 
llvm-svn: 30866
 2006-10-11 01:47:58 +00:00
Chris Lattner
4be8276d27 This has apparently been fixed 
llvm-svn: 30864
 2006-10-11 01:44:46 +00:00
Rafael Espindola
46e7aceb1d uint <-> double conversion 
llvm-svn: 30862
 2006-10-10 20:38:57 +00:00
Evan Cheng
0d8a340a8f Also update getNodeLabel for LoadSDNode. 
llvm-svn: 30861
 2006-10-10 20:11:26 +00:00
Evan Cheng
a12747d2b4 SDNode::dump should also print out extension type and VT. 
llvm-svn: 30860
 2006-10-10 20:05:10 +00:00
Rafael Espindola
0112351e9a add fp sub 
llvm-svn: 30859
 2006-10-10 19:35:01 +00:00
Rafael Espindola
27d68a3c22 add double <-> int conversion 
llvm-svn: 30858
 2006-10-10 18:55:14 +00:00
Chris Lattner
e0734f522f Fix another bug in extload promotion. 
llvm-svn: 30857
 2006-10-10 18:54:19 +00:00
Rafael Espindola
413aa20bc8 compare doubles 
llvm-svn: 30856
 2006-10-10 16:33:47 +00:00
Rafael Espindola
b0719f1374 initial support for fp compares. Unordered compares not implemented yet 
llvm-svn: 30854
 2006-10-10 12:56:00 +00:00
Evan Cheng
070ae65fa8 Fix a bug introduced by my LOAD/LOADX changes. 
llvm-svn: 30853
 2006-10-10 07:51:21 +00:00
Evan Cheng
b2998e15f2 More isel time load folding checking for nodes that produce flag values. 
See comment in CanBeFoldedBy() for detailed explanation.

llvm-svn: 30851
 2006-10-10 01:46:56 +00:00
Evan Cheng
d1a37cb9dc Don't go too crazy with these AddComplexity. Try matching shufps with load 
folding first.

llvm-svn: 30848
 2006-10-09 21:42:15 +00:00
Evan Cheng
8f6c6b19e6 Don't convert to MOVLP if using shufps etc. may allow load folding. 
llvm-svn: 30847
 2006-10-09 21:39:25 +00:00
Evan Cheng
d22f3dd3ed Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
llvm-svn: 30844
 2006-10-09 20:57:25 +00:00
Rafael Espindola
bae07b25d6 add float -> double and double -> float conversion 
llvm-svn: 30835
 2006-10-09 17:50:29 +00:00
Reid Spencer
2e9ba7166f Fix PR886: 
The result of yyparse() was not being checked. When YYERROR or YYABORT is
called it causes yyparse() to return 1 to indicate the error. The code was
silently ignoring this situation because it previously expected either an
exception or a null ParserResult to indicate an error. The patch corrects
this situation.

llvm-svn: 30834
 2006-10-09 17:36:59 +00:00
Chris Lattner
0c057ef048 Fix a bug pointed out by Zhongxing Xu 
llvm-svn: 30831
 2006-10-09 17:28:13 +00:00
Rafael Espindola
f917f096e2 add ADDS and ADCS 
llvm-svn: 30830
 2006-10-09 17:18:28 +00:00
Rafael Espindola
319b5e9c95 expand ISD::SELECT 
llvm-svn: 30829
 2006-10-09 16:28:33 +00:00
Rafael Espindola
fed11f040c add a note 
llvm-svn: 30828
 2006-10-09 14:18:33 +00:00
Rafael Espindola
aaeadcb6f5 expand ISD::EXTLOAD 
llvm-svn: 30827
 2006-10-09 14:13:40 +00:00
Rafael Espindola
1e16a7e972 most ARM targets are little endian 
llvm-svn: 30826
 2006-10-09 14:12:15 +00:00
Chris Lattner
9f980ec2a1 Implement SROA of unions with mixed pointers/integers in them. This implements 
PR892 and Transforms/ScalarRepl/union-pointer.ll:test2

llvm-svn: 30825
 2006-10-08 23:53:04 +00:00
Chris Lattner
f8afa75cef Implement Transforms/ScalarRepl/union-pointer.ll:test 
llvm-svn: 30823
 2006-10-08 23:28:04 +00:00
Chris Lattner
b0e0a23959 Eliminate more token factors by taking advantage of transitivity: 
if TF depends on A and B, and A depends on B, TF just needs to depend on
A.  With Jim's alias-analysis stuff enabled, this compiles the testcase in
PR892 into:

__Z4test3Val:
        subl $44, %esp
        call L__Z3foov$stub
        movl %edx, 28(%esp)
        movl %eax, 32(%esp)
        movl %eax, 24(%esp)
        movl %edx, 36(%esp)
        movl 52(%esp), %ecx
        movl %ecx, 4(%esp)
        movl %eax, 8(%esp)
        movl %edx, 12(%esp)
        movl 48(%esp), %eax
        movl %eax, (%esp)
        call L__Z3bar3ValS_$stub
        addl $44, %esp
        ret

instead of:

__Z4test3Val:
        subl $44, %esp
        call L__Z3foov$stub
        movl %eax, 24(%esp)
        movl %edx, 28(%esp)
        movl 24(%esp), %eax
        movl %eax, 32(%esp)
        movl 28(%esp), %eax
        movl %eax, 36(%esp)
        movl 32(%esp), %eax
        movl 36(%esp), %ecx
        movl 52(%esp), %edx
        movl %edx, 4(%esp)
        movl %eax, 8(%esp)
        movl %ecx, 12(%esp)
        movl 48(%esp), %eax
        movl %eax, (%esp)
        call L__Z3bar3ValS_$stub
        addl $44, %esp
        ret

llvm-svn: 30821
 2006-10-08 22:57:01 +00:00
Jim Laskey
9260b2f86e Combiner alias analysis passes Multisource (release-asserts.) 
llvm-svn: 30818
 2006-10-07 23:37:56 +00:00
Chris Lattner
3cd1d08ac6 completely disable folding of loads into scalar sse instructions and provide 
a framework for doing it right.  This fixes
CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll.

Once X86DAGToDAGISel::SelectScalarSSELoad is implemented right, this task
will be done.

llvm-svn: 30817
 2006-10-07 21:55:32 +00:00
Chris Lattner
a51aea84b8 convert packed FP add/sub/mul/div to use a multiclass. 
llvm-svn: 30815
 2006-10-07 21:17:13 +00:00
Chris Lattner
da75127cea one multiclass now defines all 8 variants of binary-scalar-sse-fp operations. 
llvm-svn: 30814
 2006-10-07 20:55:57 +00:00
Chris Lattner
8ce6993f53 Switch ADD/MUL/DIV/SUB scalarsse fp ops to a multiclass 
llvm-svn: 30813
 2006-10-07 20:35:44 +00:00
Chris Lattner
ec39f5bcd5 Random acts of shrinkage 
llvm-svn: 30812
 2006-10-07 19:49:05 +00:00
Chris Lattner
8e3aa16298 Convert pand/por/pxor to use multiclass 
llvm-svn: 30811
 2006-10-07 19:37:30 +00:00
Chris Lattner
33aecdebfc Convert some more instructions over to use a new multiclass. 
Fix a bug where the asmstring for PSUBQrm was wrong.

llvm-svn: 30810
 2006-10-07 19:34:33 +00:00
Chris Lattner
260659336a Fix a bug where PADDQrm printed paddd instead of paddq. 
llvm-svn: 30809
 2006-10-07 19:15:46 +00:00
Chris Lattner
0122bfac98 Add multiclass for SSE2 instructions that correspond to simple binops. 
llvm-svn: 30808
 2006-10-07 19:14:49 +00:00
Chris Lattner
db12d69657 rename: 
PDI_binop_rm -> PDI_binop_rm_int
  PDI_binop_rmi -> PDI_binop_rmi_int

to make it clear that these are for use with intrinsics.

llvm-svn: 30807
 2006-10-07 19:02:31 +00:00
Chris Lattner
36709eed45 Convert saturating PADD/PSUB's to use a multiclass 
llvm-svn: 30806
 2006-10-07 18:48:46 +00:00
Chris Lattner
d5d4378010 Convert PAVG*, PMADDWD, and PMUL* to use multiclasses. 
llvm-svn: 30805
 2006-10-07 18:39:00 +00:00
Chris Lattner
753ec9950a Fix typo in packsswb instr definition, where the load had the wrong type. 
This allows us to use the multiclass for other packs.

llvm-svn: 30804
 2006-10-07 18:23:58 +00:00
Rafael Espindola
38e9e2e01d implement FUITOS and FUITOD 
llvm-svn: 30803
 2006-10-07 14:24:52 +00:00
Rafael Espindola
90a24709fb implement FLDD 
llvm-svn: 30802
 2006-10-07 14:03:39 +00:00