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1581 Commits

Author SHA1 Message Date
Chris Lattner
6e49696ba6 Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

llvm-svn: 22367
 2005-07-10 01:55:33 +00:00
Chris Lattner
273b81e0c0 Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode 
llvm-svn: 22366
 2005-07-10 00:29:18 +00:00
Chris Lattner
c355896290 Introduce a new VTSDNode class with the ultimate goal of eliminating the 
MVTSDNode class.  This class is used to provide an operand to operators
that require an extra type.  We start by converting FP_ROUND_INREG and
SIGN_EXTEND_INREG over to using it.

llvm-svn: 22364
 2005-07-10 00:07:11 +00:00
Chris Lattner
de44e16474 Add support for emitting a .data section and .bss section. 
Add support for emitting external and .bss symbols.

llvm-svn: 22358
 2005-07-08 05:47:00 +00:00
Chris Lattner
efccb190b5 Add support for emitting the symbol table (and its string table) of the 
module to the ELF file.  Test it by adding support for emitting common
symbols.  This allows us to compile this:

%X = weak global int 0
%Y = weak global int 0
%Z = weak global int 0

to an elf file that 'readelf's this:

Symbol table '.symtab' contains 4 entries:
   Num:    Value  Size Type    Bind   Vis      Ndx Name
     0: 00000000     0 NOTYPE  LOCAL  DEFAULT  UND
     1: 00000004     4 OBJECT  GLOBAL DEFAULT  COM X
     2: 00000004     4 OBJECT  GLOBAL DEFAULT  COM Y
     3: 00000004     4 OBJECT  GLOBAL DEFAULT  COM Z

llvm-svn: 22343
 2005-07-07 07:02:20 +00:00
Chris Lattner
bf100c8bdb Make several cleanups to Andrews varargs change: 
1. Pass Value*'s into lowering methods so that the proper pointers can be
   added to load/stores from the valist
2. Intrinsics that return void should only return a token chain, not a token
   chain/retval pair.
3. Rename LowerVAArgNext -> LowerVAArg, because VANext is long gone.

llvm-svn: 22338
 2005-07-05 19:57:53 +00:00
Andrew Lenharth
3543e3b3a9 2 fixes: 
1: Legalize operand in UINT_TO_FP expanision

2: SRA x, const i8 was not promoting the constant to shift amount type.
llvm-svn: 22337
 2005-07-05 19:52:39 +00:00
Andrew Lenharth
c9903eb2cc I really didn't think this was necessary. But, Legalize wasn't running again 
and legalizing the extload.  Strange.  Should fix most alpha regressions.

llvm-svn: 22329
 2005-07-02 20:58:53 +00:00
Andrew Lenharth
b8c48ce74e oops 
llvm-svn: 22320
 2005-06-30 19:32:57 +00:00
Andrew Lenharth
04aa18bd2a FP EXTLOAD is not support on all archs, expand to LOAD and FP_EXTEND 
llvm-svn: 22319
 2005-06-30 19:22:37 +00:00
Andrew Lenharth
898efb338a restore old srcValueNode behavior and try to to work around it 
llvm-svn: 22315
 2005-06-29 18:54:02 +00:00
Andrew Lenharth
edccb834bb tracking the instructions causing loads and stores provides more information than just the pointer being loaded or stored 
llvm-svn: 22311
 2005-06-29 15:57:19 +00:00
Andrew Lenharth
d534c5cb2a Adapt the code for handling uint -> fp conversion for the 32 bit case to 
handling it in the 64 bit case.  The two code paths should probably be merged.

llvm-svn: 22302
 2005-06-27 23:28:32 +00:00
Chris Lattner
8be1980730 iniital checkin of ELFWriter implementation 
For now, the elf writer is only capable of emitting an empty elf file, with
a section table and a section table string table.  This will be enhanced
in the future :)

llvm-svn: 22291
 2005-06-27 06:29:00 +00:00
Andrew Lenharth
4fd2bde906 If we support structs as va_list, we must pass pointers to them to va_copy 
See last commit for LangRef, this implements it on all targets.

llvm-svn: 22273
 2005-06-22 21:04:42 +00:00
Andrew Lenharth
a9214fec08 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Nate Begeman
ed49a51836 Fix bug 537 test 2, which checks to make sure that we fold A+(B-A) -> B for 
integer types.  Add a couple checks to not perform these kinds of transform
on floating point values.

llvm-svn: 22228
 2005-06-16 07:06:03 +00:00
Duraid Madina
f4ca48c89e aCC and STLport complained about this, because they're like that 
llvm-svn: 22053
 2005-05-15 13:05:48 +00:00
Chris Lattner
811dc49f55 Add some simplifications for MULH[SU]. This allows us to compile this: 
long %bar(long %X) {
  %Y = mul long %X, 4294967297
  ret long %Y
}

to this:

l1_bar:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %EDX, %EAX
        add %EDX, DWORD PTR [%ESP + 8]
        ret

instead of:

l1_bar:
        mov %ECX, DWORD PTR [%ESP + 4]
        mov %EDX, 1
        mov %EAX, %ECX
        mul %EDX
        add %EDX, %ECX
        add %EDX, DWORD PTR [%ESP + 8]
        mov %EAX, %ECX
        ret

llvm-svn: 22044
 2005-05-15 05:39:08 +00:00
Chris Lattner
54bf1cc313 When inserting callee-save register reloads, make sure to skip over any 
terminator instructions before the 'ret' in case the target has a
multi-instruction return sequence.

llvm-svn: 22041
 2005-05-15 03:09:58 +00:00
Chris Lattner
46de5c99bd Fix construction of ioport intrinsics, fixing X86/io.llx and io-port.llx 
llvm-svn: 22026
 2005-05-14 13:56:55 +00:00
Chris Lattner
052759b78c allow token chain at start or end of node 
llvm-svn: 22020
 2005-05-14 08:34:53 +00:00
Chris Lattner
d9e36f94bb remove special case hacks for readport/readio from the binary operator 
codepath

llvm-svn: 22019
 2005-05-14 07:45:46 +00:00
Chris Lattner
d1d8fbee2d Implement fixme's by memoizing nodes. 
llvm-svn: 22018
 2005-05-14 07:42:29 +00:00
Chris Lattner
ac7d55f114 Turn this into a wrapper for a simpler version of getNode. 
llvm-svn: 22016
 2005-05-14 07:32:14 +00:00
Chris Lattner
a035798c4b Eliminate special purpose hacks for dynamic_stack_alloc. 
llvm-svn: 22015
 2005-05-14 07:29:57 +00:00
Chris Lattner
b94e243d14 Use the general mechanism for creating multi-value nodes instead of using 
special case hacks.

llvm-svn: 22014
 2005-05-14 07:25:05 +00:00
Chris Lattner
ad411081fb Wrap long line, actually add node to the graph. 
llvm-svn: 22011
 2005-05-14 06:42:57 +00:00
Chris Lattner
6f7b63c7d7 legalize target-specific operations 
llvm-svn: 22010
 2005-05-14 06:34:48 +00:00
Chris Lattner
1afb5ae575 add a getNode() version that allows construction of any node type. 
llvm-svn: 22009
 2005-05-14 06:20:26 +00:00
Chris Lattner
6e81a4090f LowerOperation takes a dag 
llvm-svn: 22004
 2005-05-14 05:50:48 +00:00
Chris Lattner
369427683d Print the symbolic register name in a register allocator debug dump. 
llvm-svn: 22002
 2005-05-14 05:34:15 +00:00
Chris Lattner
1202c26d6e Allow targets to have a custom int64->fp expander if desired 
llvm-svn: 22001
 2005-05-14 05:33:54 +00:00
Chris Lattner
2163eeaa67 Align doubles on 8-byte boundaries if possible. 
llvm-svn: 21993
 2005-05-13 23:14:17 +00:00
Chris Lattner
d9dd5bb798 print stack object alignment in -print-machineinstr dumps 
llvm-svn: 21992
 2005-05-13 22:54:44 +00:00
Chris Lattner
a3e57bd844 Tolerate instrs with extra args 
llvm-svn: 21982
 2005-05-13 21:07:15 +00:00
Chris Lattner
9d788e93a6 Add an isTailCall flag to LowerCallTo 
llvm-svn: 21958
 2005-05-13 18:50:42 +00:00
Chris Lattner
3a76f85d43 Handle TAILCALL node 
llvm-svn: 21957
 2005-05-13 18:43:43 +00:00
Chris Lattner
01eba53a10 Emit function entry code after lowering hte arguments. 
llvm-svn: 21931
 2005-05-13 07:33:32 +00:00
Chris Lattner
fdc4816996 Allow targets to emit code into the entry block of each function 
llvm-svn: 21930
 2005-05-13 07:23:21 +00:00
Chris Lattner
5cd760d12d allow a virtual register to be associated with live-in values. 
llvm-svn: 21927
 2005-05-13 07:08:07 +00:00
Chris Lattner
670c7f516c Fix a problem that nate reduced for me. 
llvm-svn: 21923
 2005-05-13 05:17:00 +00:00
Chris Lattner
59bb0edb45 rename variables and functions to match renamed DAG nodes. Bonus feature: 
I can actually remember which one is which now!

llvm-svn: 21922
 2005-05-13 05:09:11 +00:00
Chris Lattner
c7013ec3a9 do not call expandop on the same value more than once. This fixes 
X86/2004-02-22-Casts.llx

llvm-svn: 21919
 2005-05-13 04:45:13 +00:00
Chris Lattner
51de10e0c6 fix a bad typeo 
llvm-svn: 21917
 2005-05-12 23:51:40 +00:00
Chris Lattner
00d2fb482f update comment 
llvm-svn: 21916
 2005-05-12 23:24:44 +00:00
Chris Lattner
094bbfcebb rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
dd2700de99 Pass calling convention to use into lower call to 
llvm-svn: 21900
 2005-05-12 19:56:57 +00:00
Chris Lattner
ad48ef0a7d fix expansion of ct[lt]z nodes 
llvm-svn: 21896
 2005-05-12 19:27:51 +00:00
Chris Lattner
6b5bacbc0b Expand 64-bit ctlz/cttz nodes for 32-bit targets 
llvm-svn: 21895
 2005-05-12 19:05:01 +00:00