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
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llvm-svn: 25313
2006-01-14 03:18:27 +00:00
Nate Begeman
85b2dc0c4e
bswap implementation
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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
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llvm-svn: 25270
2006-01-13 02:39:42 +00:00
Chris Lattner
5ab0813f3a
Add "support" for stacksave/stackrestore to the dag isel
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llvm-svn: 25268
2006-01-13 02:24:42 +00:00
Chris Lattner
5f8aeedc58
Add "support" for the llvm.stacksave/stackrestore intrinsics, this is
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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
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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
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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.
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llvm-svn: 25224
2006-01-11 22:14:47 +00:00
Evan Cheng
7bd69b756e
ignore register #0
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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
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llvm-svn: 25184
2006-01-10 19:43:26 +00:00
Robert Bocchino
38060df8d1
Added selection DAG support for the extractelement operation.
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llvm-svn: 25179
2006-01-10 19:04:57 +00:00
Chris Lattner
d455e0ce54
Minor cleanup, no functionality change for current targets
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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. :)
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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,
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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.
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llvm-svn: 25156
2006-01-09 18:29:18 +00:00
Chris Lattner
ae1bace70a
Unbreak the build :(
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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.
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llvm-svn: 25121
2006-01-06 01:56:02 +00:00
Evan Cheng
efe621adce
fold (shl x, 1) -> (add x, x)
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llvm-svn: 25120
2006-01-06 01:06:31 +00:00
Evan Cheng
133170cb5c
Support for custom lowering of ISD::RET.
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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
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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
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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.)
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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.
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llvm-svn: 25093
2006-01-04 13:52:30 +00:00
Jim Laskey
881126a42d
Moving MachineDebugInfo to module level location.
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llvm-svn: 25090
2006-01-04 13:43:56 +00:00
Jim Laskey
1b0399e8f0
Change how MachineDebugInfo is fetched.
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llvm-svn: 25089
2006-01-04 13:42:59 +00:00
Jim Laskey
013cfc7698
Extending MachineDebugInfo.
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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
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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
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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
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drop it on the floor.
llvm-svn: 25044
2005-12-30 00:10:38 +00:00
Duraid Madina
b9197e021f
purity++
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llvm-svn: 25041
2005-12-29 05:59:19 +00:00
Duraid Madina
32783dc8d0
add these so I can be less naughty
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llvm-svn: 25034
2005-12-28 06:29:02 +00:00
Duraid Madina
f8a342aa4f
HB is *the* code janitor.
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llvm-svn: 25031
2005-12-28 04:55:42 +00:00
Duraid Madina
2d0894bdca
mixed-STL programs are big and nasty :(
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llvm-svn: 25030
2005-12-28 02:44:35 +00:00
Andrew Lenharth
a639cb7176
allow custom lowering to return null for legal results
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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.
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llvm-svn: 24995
2005-12-23 20:08:28 +00:00
Chris Lattner
c97655052a
unbreak the build :-/
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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
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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
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