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2048 Commits

Author SHA1 Message Date
Chris Lattner
c23f5e6dc7 add a missing node name 
llvm-svn: 25327
 2006-01-15 08:39:35 +00:00
Chris Lattner
e92e4a4342 Token chain results are not always the first or last result. Consider copyfromreg nodes, where they are the middle result (the flag result is last) 
llvm-svn: 25325
 2006-01-14 22:41:46 +00:00
Nate Begeman
956b57ce43 Remove some duplicated code 
llvm-svn: 25313
 2006-01-14 03:18:27 +00:00
Nate Begeman
85b2dc0c4e bswap implementation 
llvm-svn: 25312
 2006-01-14 03:14:10 +00:00
Chris Lattner
91b83a2448 If a target specified a stack pointer with setStackPointerRegisterToSaveRestore, 
lower STACKSAVE/STACKRESTORE into a copy from/to that register.

llvm-svn: 25276
 2006-01-13 17:48:44 +00:00
Chris Lattner
4107b4d7ee Compile llvm.stacksave/restore into STACKSAVE/STACKRESTORE nodes, and allow 
targets to custom expand them as they desire.

llvm-svn: 25273
 2006-01-13 02:50:02 +00:00
Chris Lattner
fac137d4bd add stacksave/stackrestore nodes 
llvm-svn: 25270
 2006-01-13 02:39:42 +00:00
Chris Lattner
5ab0813f3a Add "support" for stacksave/stackrestore to the dag isel 
llvm-svn: 25268
 2006-01-13 02:24:42 +00:00
Chris Lattner
5f8aeedc58 Add "support" for the llvm.stacksave/stackrestore intrinsics, this is 
used by the C backend.

llvm-svn: 25267
 2006-01-13 02:22:08 +00:00
Chris Lattner
f997ab779f Add a simple missing fold to produce this: 
subfic r3, r2, 33

instead of this:

        subfic r2, r2, 32
        addi r3, r2, 1

llvm-svn: 25255
 2006-01-12 20:22:43 +00:00
Chris Lattner
c9d03f7b02 If using __main, emit global ctor/dtor list like any other global 
llvm-svn: 25251
 2006-01-12 19:17:23 +00:00
Chris Lattner
ac8df987d5 Don't create rotate instructions in unsupported types, because we don't have 
promote/expand code yet.  This fixes the 177.mesa failure on PPC.

llvm-svn: 25250
 2006-01-12 18:57:33 +00:00
Evan Cheng
c2241561ae Allow custom lowering of DYNAMIC_STACKALLOC. 
llvm-svn: 25224
 2006-01-11 22:14:47 +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
Chris Lattner
da0089a5c7 silence a warning 
llvm-svn: 25184
 2006-01-10 19:43:26 +00:00
Robert Bocchino
38060df8d1 Added selection DAG support for the extractelement operation. 
llvm-svn: 25179
 2006-01-10 19:04:57 +00:00
Chris Lattner
d455e0ce54 Minor cleanup, no functionality change for current targets 
llvm-svn: 25173
 2006-01-10 05:41:59 +00:00
Chris Lattner
8026872e44 Fix an exponential function in libcall insertion to not be exponential. :) 
llvm-svn: 25165
 2006-01-09 23:21:49 +00:00
Evan Cheng
a8064e0723 * Allow custom lowering of ADD_PARTS, SUB_PARTS, SHL_PARTS, SRA_PARTS, 
and SRL_PARTS.
* Fix a bug that caused *_PARTS to be custom lowered twice.

llvm-svn: 25157
 2006-01-09 18:31:59 +00:00
Evan Cheng
7a32c047d9 New getNode() variants. 
llvm-svn: 25156
 2006-01-09 18:29:18 +00:00
Chris Lattner
ae1bace70a Unbreak the build :( 
llvm-svn: 25124
 2006-01-06 05:47:48 +00:00
Evan Cheng
105a0cc17e Revert the previous check-in. Leave shl x, 1 along for target to deal with. 
llvm-svn: 25121
 2006-01-06 01:56:02 +00:00
Evan Cheng
efe621adce fold (shl x, 1) -> (add x, x) 
llvm-svn: 25120
 2006-01-06 01:06:31 +00:00
Evan Cheng
133170cb5c Support for custom lowering of ISD::RET. 
llvm-svn: 25116
 2006-01-06 00:41:43 +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
Jim Laskey
61138e28ff Applied some recommend changes from sabre. The dominate one beginning "let the 
pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.

llvm-svn: 25100
 2006-01-04 22:28:25 +00:00
Jim Laskey
897ad8ddb7 Add unique id to debug location for debug label use (work in progress.) 
llvm-svn: 25096
 2006-01-04 15:04:11 +00:00
Jim Laskey
9c9c46a7a4 Add check for debug presence. 
llvm-svn: 25095
 2006-01-04 14:30:12 +00:00
Jim Laskey
62b29812a6 Tie dwarf generation to darwin assembler. 
llvm-svn: 25093
 2006-01-04 13:52:30 +00:00
Jim Laskey
881126a42d Moving MachineDebugInfo to module level location. 
llvm-svn: 25090
 2006-01-04 13:43:56 +00:00
Jim Laskey
1b0399e8f0 Change how MachineDebugInfo is fetched. 
llvm-svn: 25089
 2006-01-04 13:42:59 +00:00
Jim Laskey
013cfc7698 Extending MachineDebugInfo. 
llvm-svn: 25086
 2006-01-04 13:36:38 +00:00
Chris Lattner
19343b85fd Add support for targets (like Alpha) that have terminator instructions which 
use virtual registers.  We now allow the first instruction in a block of
terminators to use virtual registers, and update phi elimination to correctly
update livevar when eliminating phi's.  This fixes a problem on a testcase
Andrew sent me.

llvm-svn: 25083
 2006-01-04 07:12:21 +00:00
Chris Lattner
c3ff71cc3a Add an assertion, update DefInst even though no one uses it (dangling pointers 
don't help anyone)

llvm-svn: 25081
 2006-01-04 06:47:48 +00:00
Chris Lattner
f00c43e105 Add a LiveVariables::VarInfo::dump method 
llvm-svn: 25080
 2006-01-04 05:40:30 +00:00
Chris Lattner
ded5041b23 Change a variable from being an iterator to a raw MachineInstr*, to make 
GDB use tolerable

llvm-svn: 25064
 2006-01-03 07:41:37 +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
Duraid Madina
b9197e021f purity++ 
llvm-svn: 25041
 2005-12-29 05:59:19 +00:00
Duraid Madina
32783dc8d0 add these so I can be less naughty 
llvm-svn: 25034
 2005-12-28 06:29:02 +00:00
Duraid Madina
f8a342aa4f HB is *the* code janitor. 
llvm-svn: 25031
 2005-12-28 04:55:42 +00:00
Duraid Madina
2d0894bdca mixed-STL programs are big and nasty :( 
llvm-svn: 25030
 2005-12-28 02:44:35 +00:00
Andrew Lenharth
a639cb7176 allow custom lowering to return null for legal results 
llvm-svn: 25007
 2005-12-25 01:07:37 +00:00
Andrew Lenharth
5cf1fcb844 Support Custom lowering of a few more operations. 
Alpha needs to custom lower *DIV and *REM

llvm-svn: 25006
 2005-12-24 23:42:32 +00:00
Jim Laskey
d8cc1062ed Remove redundant debug locations. 
llvm-svn: 24995
 2005-12-23 20:08:28 +00:00
Chris Lattner
c97655052a unbreak the build :-/ 
llvm-svn: 24992
 2005-12-23 16:12:20 +00:00
Evan Cheng
bcfef42cd4 Allow custom lowering of LOAD, EXTLOAD, ZEXTLOAD, STORE, and TRUNCSTORE. Not 
currently used.

llvm-svn: 24988
 2005-12-23 07:29:34 +00:00
Chris Lattner
0637d38ec2 Simplify store(bitconv(x)) to store(x). This allows us to compile this: 
void bar(double Y, double *X) {
  *X = Y;
}

to this:

bar:
        save -96, %o6, %o6
        st %i1, [%i2+4]
        st %i0, [%i2]
        restore %g0, %g0, %g0
        retl
        nop

instead of this:

bar:
        save -104, %o6, %o6
        st %i1, [%i6+-4]
        st %i0, [%i6+-8]
        ldd [%i6+-8], %f0
        std  %f0, [%i2]
        restore %g0, %g0, %g0
        retl
        nop

on sparcv8.

llvm-svn: 24983
 2005-12-23 05:48:07 +00:00
Chris Lattner
20e6338732 fold (conv (load x)) -> (load (conv*)x). 
This allows us to compile this:
void foo(double);
void bar(double *X) { foo(*X); }

To this:

bar:
        save -96, %o6, %o6
        ld [%i0+4], %o1
        ld [%i0], %o0
        call foo
        nop
        restore %g0, %g0, %g0
        retl
        nop

instead of this:

bar:
        save -104, %o6, %o6
        ldd [%i0], %f0
        std %f0, [%i6+-8]
        ld [%i6+-4], %o1
        ld [%i6+-8], %o0
        call foo
        nop
        restore %g0, %g0, %g0
        retl
        nop

on SparcV8.

llvm-svn: 24982
 2005-12-23 05:44:41 +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