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117 Commits

Author SHA1 Message Date
Evan Cheng
3cc87db480 A initialized global variable cannot be extern weak. However, if a global value's initializer is itself a external weak symbol, emit the weak reference. 
llvm-svn: 32069
 2006-12-01 09:13:26 +00:00
Evan Cheng
6f5f81722b Darwin PPC external weak linkage support. 
llvm-svn: 32068
 2006-12-01 07:56:37 +00:00
Jim Laskey
737f53b6aa Prime text sections to improve branch locality in large object files. 
llvm-svn: 31969
 2006-11-28 18:21:52 +00:00
Chris Lattner
a55a2365bc Pretty print 'rldicr r2, r2, 2, 61' as 'sldi r2, r2, 2'. 
llvm-svn: 31838
 2006-11-18 01:23:56 +00:00
Chris Lattner
1527483a15 start using PPC predicates more consistently. 
llvm-svn: 31833
 2006-11-17 22:10:59 +00:00
Chris Lattner
5dcf43138d fix a regression that I introduced. stdu should scale the offset by 4 
before printing it.

llvm-svn: 31791
 2006-11-16 21:45:30 +00:00
Chris Lattner
a7687f805c Go through all kinds of trouble to mark 'blr' as having a predicate operand 
that takes a register and condition code.  Print these pieces of BLR the
right way, even though it is currently set to 'always'.

Next up: get the JIT encoding right, then enhance branch folding to produce
predicated blr for simple examples.

llvm-svn: 31449
 2006-11-04 05:27:39 +00:00
Reid Spencer
4bafa71dc1 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Anton Korobeynikov
e6ba8a819c 1. Clean up code due to changes in SwitchTo*Section(2) 
2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.

llvm-svn: 31311
 2006-10-31 08:31:24 +00:00
Evan Cheng
b60a58362a Doh. Must check if GV is constant first before putting it in .cstring. 
llvm-svn: 31253
 2006-10-28 05:56:51 +00:00
Evan Cheng
65e78f3d08 Place cstrings in .cstring section. 
llvm-svn: 31207
 2006-10-26 21:48:57 +00:00
Devang Patel
0691019e12 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Chris Lattner
068190eb91 Pass the MachineFunction into EmitJumpTableInfo. 
llvm-svn: 30742
 2006-10-05 03:01:21 +00:00
Chris Lattner
ca844c6695 Move getSectionForFunction to AsmPrinter, change it to return a string. 
llvm-svn: 30735
 2006-10-05 02:42:20 +00:00
Chris Lattner
0ca8a69c28 implement DarwinTargetAsmInfo::getSectionForFunction, use it when outputting 
function bodies

llvm-svn: 30733
 2006-10-05 00:35:50 +00:00
Chris Lattner
2e10b0c095 emit jump table before debug info 
llvm-svn: 30731
 2006-10-05 00:26:05 +00:00
Chris Lattner
dd6343bd8d Always emit the jump table after the function so it's part of the same 'atom' 
as the function body.

llvm-svn: 30730
 2006-10-05 00:24:46 +00:00
Chris Lattner
663748827c The DarwinAsmPrinter need not check for isDarwin. createPPCAsmPrinterPass 
should create the right asmprinter subclass.

llvm-svn: 30542
 2006-09-20 17:12:19 +00:00
Chris Lattner
6d66264a5f Wrap some darwin'isms with isDarwin checks. 
llvm-svn: 30541
 2006-09-20 17:07:15 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
6b86ef852c Separate target specific asm properties from the asm printers. 
llvm-svn: 30126
 2006-09-06 18:34:40 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Evan Cheng
ccbb645459 Encode pc-relative conditional branch offset as pc+(num of bytes / 4). The 
asm printer will print it as offset*4. e.g. bne cr0, $+8.

The PPC code emitter was expecting the offset to be number of instructions, not
number of bytes. This fixes a whole bunch of JIT failures.

llvm-svn: 29885
 2006-08-25 21:54:44 +00:00
Nate Begeman
0e92042770 Emit .set directives for jump table entries when possible, which reduces 
the number of relocations in object files, shrinkifying them.

llvm-svn: 29650
 2006-08-12 21:29:52 +00:00
Nate Begeman
3d5f5b4e8b Support jump tables when in PIC relocation model 
llvm-svn: 29318
 2006-07-27 01:13:04 +00:00
Chris Lattner
b4165c39d7 Rename RelocModel::PIC to PIC_, to avoid conflicts with -DPIC. 
llvm-svn: 29307
 2006-07-26 21:12:04 +00:00
Chris Lattner
f022962081 Remove what little AIX support we have. It has never been tested and isn't 
complete.

llvm-svn: 29156
 2006-07-15 01:24:23 +00:00
Chris Lattner
753e4f5984 Print negative immediates as negative values instead of large constants 
when using the immshifted addressing mode.

llvm-svn: 29130
 2006-07-12 23:24:02 +00:00
Chris Lattner
496bd3fbf6 Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975
 2006-06-28 23:17:24 +00:00
Chris Lattner
26f1985fdc shrink libllvmgcc.dylib another 25K 
llvm-svn: 28971
 2006-06-28 22:00:36 +00:00
Chris Lattner
01965c2fd8 Print stubs for external globals right. 
llvm-svn: 28936
 2006-06-27 20:20:53 +00:00
Chris Lattner
86c7ca4fd4 Add a pattern for i64 sra. Print 8-byte units with a space between the .quad 
and the data

llvm-svn: 28934
 2006-06-27 20:07:26 +00:00
Chris Lattner
10e71f60df Print darwin stub stuff correctly in 64-bit mode. With this, treeadd works in 
ppc64 mode!

llvm-svn: 28923
 2006-06-27 01:02:25 +00:00
Jim Laskey
a8284f65e1 Add and sort "sections" in debug lines. This always stepping through 
code in sections other than ".text", including weak sections like ctors and
dtors.

llvm-svn: 28909
 2006-06-23 12:51:53 +00:00
Chris Lattner
75e6449a0f Rename OR4 -> OR. Move some PPC64-specific stuff to the 64-bit file 
llvm-svn: 28889
 2006-06-20 23:18:58 +00:00
Jim Laskey
849c76e55c 1. Support standard dwarf format (was bootstrapping in Apple format.) 
2. Add vector support.

llvm-svn: 28807
 2006-06-15 20:51:43 +00:00
Jim Laskey
69d5018a05 Place dwarf headers at earliest possible point. Well behaved when skipping 
functions.

llvm-svn: 28781
 2006-06-14 11:35:03 +00:00
Chris Lattner
901e7ad557 Remove some dead code, identified by coverity. 
llvm-svn: 28303
 2006-05-15 05:48:32 +00:00
Chris Lattner
9789688d36 remove dead variable. 
llvm-svn: 28248
 2006-05-12 17:33:59 +00:00
Chris Lattner
56680711dc Indent .data/.text in the .s file 
llvm-svn: 28204
 2006-05-09 16:15:00 +00:00
Chris Lattner
f45b6d5c08 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Chris Lattner
daae9ee503 Print a grouping around inline asm blocks so that we can tell when we are 
using them.

llvm-svn: 28134
 2006-05-05 21:50:04 +00:00
Chris Lattner
eb41c99161 Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling. 
llvm-svn: 28104
 2006-05-04 18:05:43 +00:00
Chris Lattner
97f1af2f14 There shalt be only one "immediate" operand type! 
llvm-svn: 28099
 2006-05-04 17:21:20 +00:00
Chris Lattner
c779fca289 Remove a bunch more SparcV9 specific stuff 
llvm-svn: 28093
 2006-05-04 01:15:02 +00:00
Chris Lattner
0f89e6b11d Remove some more unused stuff from MachineInstr that was leftover from V9. 
llvm-svn: 28091
 2006-05-04 00:44:25 +00:00
Owen Anderson
71bc529dfa Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Nate Begeman
fa83cee567 Hooray, everyone now uses the same printBasicBlockLabel implementation 
llvm-svn: 28056
 2006-05-02 17:34:51 +00:00
Nate Begeman
05174045df Extend printBasicBlockLabel a bit so that it can be used to print all 
basic block labels, consolidating the code to do so in one place for each
target.

llvm-svn: 28050
 2006-05-02 05:37:32 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00