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Commit Graph

207 Commits

Author SHA1 Message Date
Jim Laskey
b62a583c99 Coordinate activities with llvm-gcc4 and dwarf. 
llvm-svn: 26314
 2006-02-22 19:02:11 +00:00
Evan Cheng
c4cda2b89a Moved PICEnabled to include/llvm/Target/TargetOptions.h 
llvm-svn: 26272
 2006-02-18 00:08:58 +00:00
Chris Lattner
af26f481e9 If we have zero initialized data with external linkage, use .zerofill to 
emit it (instead of .space), saving a bit of space in the .o file.

For example:
int foo[100];
int bar[100] = {};

when compiled with C++ or -fno-common results in shrinkage from 1160 to 360
bytes of space.  The X86 backend can also do this on darwin.

llvm-svn: 26185
 2006-02-14 22:18:23 +00:00
Chris Lattner
02f3db9781 Make sure that weak functions are aligned properly 
llvm-svn: 26181
 2006-02-14 20:42:33 +00:00
Chris Lattner
2e1a495967 Darwin doesn't support #APP/#NO_APP 
llvm-svn: 26066
 2006-02-08 23:42:22 +00:00
Chris Lattner
86d1dcf613 Emit the 'mr' pseudoop for easier reading. 
llvm-svn: 26053
 2006-02-08 06:56:40 +00:00
Chris Lattner
b6fae6bad7 Change prototype 
llvm-svn: 26022
 2006-02-06 22:18:19 +00:00
Jim Laskey
62908083eb We seem to have settled to __DWARF for section name. 
llvm-svn: 26015
 2006-02-06 14:16:15 +00:00
Chris Lattner
085a324bfc Use the asmprinter to find out what the preferred alignment of a global is. 
This patch speeds up 172.mgrid from 31.81s to 11.39s on darwin/ppc.
Many many thanks to Nate for tracking down the root cause of the issue.

llvm-svn: 25979
 2006-02-05 01:30:45 +00:00
Chris Lattner
d202c4d3cc add a method 
llvm-svn: 25884
 2006-02-01 22:38:46 +00:00
Jim Laskey
583aae3110 Set up MachineDebugInfo to scan for debug information form "llvm.db"g globals. 
Global Variable information is now pulled from "llvm.dbg.globals"

llvm-svn: 25655
 2006-01-26 20:21:46 +00:00
Jim Laskey
18ba7ce7b3 Crude Dwarf global variable debugging. 
llvm-svn: 25569
 2006-01-24 00:49:18 +00:00
Chris Lattner
aafc339b4e Add explicit #includes of <iostream> 
llvm-svn: 25515
 2006-01-22 23:41:00 +00:00
Chris Lattner
1ecabc5a6f trivial formatting improvement: don't insert extra blank lines between .comm 
vars.

llvm-svn: 25492
 2006-01-21 01:35:26 +00:00
Jim Laskey
6b25a4e659 Added minimum Dwarf aranges. Cleaned up some section headers. Line number 
support now works in gdb.

llvm-svn: 25417
 2006-01-18 16:54:26 +00:00
Jim Laskey
52d9832e70 Add frame work for additional dwarf sections. Comments will improve as code 
is added.

llvm-svn: 25410
 2006-01-17 20:41:40 +00:00
Jim Laskey
0c4202b0ba Adding basic support for Dwarf line number debug information. 
I promise to keep future commits smaller.

llvm-svn: 25396
 2006-01-17 17:31:53 +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
62b29812a6 Tie dwarf generation to darwin assembler. 
llvm-svn: 25093
 2006-01-04 13:52:30 +00:00
Nate Begeman
96c7e22231 Fix one of the things in the todo file, and get a bit closer to folding 
constant offsets from statics into the address arithmetic.

llvm-svn: 24999
 2005-12-24 01:00:15 +00:00
Chris Lattner
8c2622a14e fix handling of weak linkage 
llvm-svn: 24964
 2005-12-22 21:15:17 +00:00
Nate Begeman
d4562971b3 Fix a couple of the FIXMEs, thanks to suggestion from Chris. This allows 
us to load and store vectors directly at a pointer (offset of zero) by
using r0 as the base register.  This also requires some asm printer work
to satisfy the darwin assembler.

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

We now produce:
_foo:
        lvx v0, 0, r3
        vaddfp v0, v0, v0
        stvx v0, 0, r3
        blr

Instead of:
_foo:
        li r2, 0
        lvx v0, r2, r3
        vaddfp v0, v0, v0
        stvx v0, r2, r3
        blr

llvm-svn: 24872
 2005-12-19 23:40:42 +00:00
Nate Begeman
9c7dce88b5 Convert load/store over to being pattern matched 
llvm-svn: 24871
 2005-12-19 23:25:09 +00:00
Jim Laskey
37957b1ad3 Added source file/line correspondence for dwarf (PowerPC only at this point.) 
llvm-svn: 24748
 2005-12-16 22:45:29 +00:00
Chris Lattner
ba98d302be Weak and linkonce global vars should still have a .globl emitted for them 
llvm-svn: 24747
 2005-12-16 21:46:14 +00:00
Chris Lattner
890fd4e66c Update the darwin handling of linkonce & weak functions and GV stubs. This 
should work in all permutations.

llvm-svn: 24728
 2005-12-16 00:22:14 +00:00
Chris Lattner
95555853ad Use the shared asmprinter code for printing special llvm globals 
llvm-svn: 24695
 2005-12-13 06:32:50 +00:00
Chris Lattner
1468c52811 reindent a loop, unswitch a loop. No functionality changes 
llvm-svn: 24692
 2005-12-13 04:33:58 +00:00
Chris Lattner
6d4db7c732 Remove type casts that are no longer needed 
llvm-svn: 24661
 2005-12-11 07:45:47 +00:00
Chris Lattner
cdeeb94947 Teach the PPC backend about the ctor and dtor list when not using __main and 
linking the entire program into one bc file.

llvm-svn: 24645
 2005-12-09 18:24:29 +00:00
Nate Begeman
84be54b731 No longer track value types for asm printer operands, and remove them as 
an argument to every operand printing function.  Requires some slight
tweaks to x86, the only user.

llvm-svn: 24541
 2005-11-30 18:54:35 +00:00
Chris Lattner
a5ec3d8e81 Use generic constant pool emission code in the AsmPrinter class. 
llvm-svn: 24465
 2005-11-21 08:26:15 +00:00
Chris Lattner
31197fa019 Use the FunctionNumber provided by the AsmPrinter class 
llvm-svn: 24462
 2005-11-21 08:14:07 +00:00
Chris Lattner
d7ae8bcf66 Use CommentString where possible, fix a bug where aix mode wouldn't assemble 
due to basic blocks being misnamed.

llvm-svn: 24459
 2005-11-21 08:02:41 +00:00
Chris Lattner
f3af64b478 unify the darwin and aix constant pool printers 
llvm-svn: 24458
 2005-11-21 07:57:37 +00:00
Chris Lattner
3e2c6c1d15 Adjust to capitalized AsmPrinter method names 
llvm-svn: 24456
 2005-11-21 07:51:23 +00:00
Chris Lattner
b4955ba62b use PrivateGlobalPrefix for basic blocks 
llvm-svn: 24453
 2005-11-21 07:41:05 +00:00
Chris Lattner
bc917fe899 This is now implemented in common codegen code 
llvm-svn: 24446
 2005-11-21 07:06:58 +00:00
Chris Lattner
78bb97af59 set PrivateGlobalPrefix on darwin, use it when printing out CP references 
llvm-svn: 24441
 2005-11-21 06:47:58 +00:00
Chris Lattner
da306413bb only use dyld stubs if not in ppc-static mode. This completes support for 
non-static codegen.

llvm-svn: 24403
 2005-11-17 19:40:30 +00:00
Chris Lattner
25e065cc46 refactor call operand handling to eliminate special cases from printOp. 
llvm-svn: 24401
 2005-11-17 19:25:59 +00:00
Chris Lattner
02522dc4e6 disentangle call operands from branch operands a bit 
llvm-svn: 24400
 2005-11-17 19:16:08 +00:00
Nate Begeman
684381a73b Patch to clean up function call pseudos and support the BLA instruction, 
which branches to an absolute address.  This is required to support objc
direct dispatch.

llvm-svn: 24370
 2005-11-16 00:48:01 +00:00
Chris Lattner
bbed9bff31 Make sure to use SwitchSection to switch sections so that we don't accidentally emit 
functions into the .const section.  Whoops.

llvm-svn: 24363
 2005-11-15 01:45:01 +00:00
Chris Lattner
baf0cc4e6e Handle globals with explicit alignment requests 
llvm-svn: 24355
 2005-11-14 19:00:30 +00:00
Chris Lattner
9bfbc74ed4 Teach the PPC asmwriter to honor globals with explicit section requests. 
llvm-svn: 24353
 2005-11-14 18:52:46 +00:00
Chris Lattner
e1435b7831 Make BB and CPI labels use the function number, not the function name as a 
uniquing id.  This makes things happy when the function name is quoted,
preventing labels like LBB"foo"_2.

llvm-svn: 24295
 2005-11-10 21:59:25 +00:00
Chris Lattner
fb66a38f13 Darwin supports quoted labels. This implements: 
test/Regression/CodeGen/PowerPC/darwin-labels.ll

llvm-svn: 24287
 2005-11-10 19:33:43 +00:00
Chris Lattner
7ad799fbc1 Make the aix asm printer interface properly with the parent class 
llvm-svn: 24274
 2005-11-10 18:20:29 +00:00
Chris Lattner
dd58fcaf6b Add a flag to enable a darwin linker optimization 
llvm-svn: 24130
 2005-11-01 00:12:36 +00:00
Chris Lattner
906dc8d0e5 Make constant pool entries use private labels. This is important when you're 
not compiling a whole program at a time :)

llvm-svn: 24129
 2005-10-31 22:12:06 +00:00
Chris Lattner
c3f548dceb Do not globalize internal symbols 
llvm-svn: 24064
 2005-10-28 18:44:07 +00:00
Chris Lattner
5edea4e9cd Fix the JIT encoding of LWA, LD, STD, and STDU. 
llvm-svn: 23787
 2005-10-18 16:51:22 +00:00
Nate Begeman
723637974b More PPC32 -> PPC changes, as well as merging some classes that were 
redundant after the change.

llvm-svn: 23759
 2005-10-16 05:39:50 +00:00
Chris Lattner
d3946bbea6 Rename PPC32*.h to PPC*.h 
This completes the grand PPC file renaming

llvm-svn: 23745
 2005-10-14 23:59:06 +00:00
Chris Lattner
0405f3388f Rename PowerPC*.h to PPC*.h 
llvm-svn: 23743
 2005-10-14 23:51:18 +00:00