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205 Commits

Author SHA1 Message Date
Evan Cheng
5beb036eab Don't fill eh frames even though these are text sections. 
llvm-svn: 47765
 2008-02-29 19:36:59 +00:00
Evan Cheng
f8b1257d2e Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Anton Korobeynikov
7dd00942cc Update gcc 4.3 warnings fix patch with recent head changes 
llvm-svn: 47368
 2008-02-20 11:10:28 +00:00
Nick Lewycky
b0f0e69df2 Don't make up new directives. (".set_foobar") 
llvm-svn: 46848
 2008-02-07 06:36:26 +00:00
Evan Cheng
1c67dcaae7 Dwarf requires variable entries to be in the source order. Right now, since we are recording variable information at isel time this means parameters would appear in the reverse order. The short term fix is to issue recordVariable() at asm printing time instead. 
llvm-svn: 46724
 2008-02-04 23:06:48 +00:00
Evan Cheng
f61d1115af Get rid of the annoying blank lines before labels. 
llvm-svn: 46667
 2008-02-02 08:39:46 +00:00
Evan Cheng
c57ec111f2 SDIsel processes llvm.dbg.declare by recording the variable debug information descriptor and its corresponding stack frame index in MachineModuleInfo. This only works if the local variable is "homed" in the stack frame. It does not work for byval parameter, etc. 
Added ISD::DECLARE node type to represent llvm.dbg.declare intrinsic. Now the intrinsic calls are lowered into a SDNode and lives on through out the codegen passes.
For now, since all the debugging information recording is done at isel time, when a ISD::DECLARE node is selected, it has the side effect of also recording the variable. This is a short term solution that should be fixed in time.

llvm-svn: 46659
 2008-02-02 04:07:54 +00:00
Evan Cheng
d6222fc11d Remove the nasty LABEL hack with a much less evil one. Now llvm.dbg.func.start implies a stoppoint is set. SelectionDAGISel records a new source line but does not create a ISD::LABEL node for this special stoppoint. Asm printer will magically print this label. This ensures nothing is emitted before. 
llvm-svn: 46635
 2008-02-01 09:10:45 +00:00
Dale Johannesen
f12104ce4b Handle 'X' constraint in asm's better. 
llvm-svn: 46485
 2008-01-29 02:21:21 +00:00
Chris Lattner
f93e3d7dd7 For long double constants, print an approximation of their value to the .s file to make it easier to read. 
llvm-svn: 46407
 2008-01-27 06:09:28 +00:00
Gordon Henriksen
88a41c672b Enabling the target-independent garbage collection infrastructure by hooking it 
up to the various compiler pipelines.

This doesn't actually add support for any GC algorithms, which means it 
temporarily breaks a few tests. To be fixed shortly.

llvm-svn: 45669
 2008-01-07 01:30:38 +00:00
Chris Lattner
96167aa93c Rename SSARegMap -> MachineRegisterInfo in keeping with the idea 
that "machine" classes are used to represent the current state of
the code being compiled.  Given this expanded name, we can start 
moving other stuff into it.  For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.

Update all the clients to match.

This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.

llvm-svn: 45467
 2007-12-31 04:13:23 +00:00
Chris Lattner
9e5cc35593 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
4a4943a78f MachineOperand::getImmedValue -> MachineOperand::getImm 
llvm-svn: 45454
 2007-12-30 20:50:28 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Anton Korobeynikov
f81993feaf Support more insane CEP's in AsmPrinter (Yes, PyPy folks do really use them). 
llvm-svn: 45172
 2007-12-18 20:53:41 +00:00
Anton Korobeynikov
58298cb9cc Fix PIC jump table codegen on x86-32/linux. In fact, such thing should be applied 
to all targets uses GOT-relative offsets for PIC (Alpha?)

llvm-svn: 44108
 2007-11-14 09:18:41 +00:00
Evan Cheng
7d8deec92f Much improved pic jumptable codegen: 
Then:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        imull   $4, %ecx, %ecx
        leal    LJTI1_0-"L1$pb"(%eax), %edx
        addl    LJTI1_0-"L1$pb"(%ecx,%eax), %edx
        jmpl    *%edx

        .align  2
        .set L1_0_set_3,LBB1_3-LJTI1_0
        .set L1_0_set_2,LBB1_2-LJTI1_0
        .set L1_0_set_5,LBB1_5-LJTI1_0
        .set L1_0_set_4,LBB1_4-LJTI1_0
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

Now:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        addl    LJTI1_0-"L1$pb"(%eax,%ecx,4), %eax
        jmpl    *%eax

		.align  2
		.set L1_0_set_3,LBB1_3-"L1$pb"
		.set L1_0_set_2,LBB1_2-"L1$pb"
		.set L1_0_set_5,LBB1_5-"L1$pb"
		.set L1_0_set_4,LBB1_4-"L1$pb"
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

llvm-svn: 43924
 2007-11-09 01:32:10 +00:00
Dale Johannesen
1f70f86c7a Make labels work in asm blocks; allow labels as 
parameters.  Rename ValueRefList to ParamList
in AsmParser, since its only use is for parameters.

llvm-svn: 43734
 2007-11-05 21:20:28 +00:00
Duncan Sands
c338eafe35 Don't output ABI size padding twice. By using the store 
size for the field we get ABI padding automatically, so
no need to put it in again when we emit the field.

llvm-svn: 43720
 2007-11-05 18:03:02 +00:00
Duncan Sands
d1bdbd010b Eliminate the remaining uses of getTypeSize. This 
should only effect x86 when using long double.  Now
12/16 bytes are output for long double globals (the
exact amount depends on the alignment).  This brings
globals in line with the rest of LLVM: the space
reserved for an object is now always the ABI size.
One tricky point is that only 10 bytes should be
output for long double if it is a field in a packed
struct, which is the reason for the additional
argument to EmitGlobalConstant.

llvm-svn: 43688
 2007-11-05 00:04:43 +00:00
Evan Cheng
33df6a6bed Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Dan Gohman
a75e4a62e6 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Dale Johannesen
781403c410 Implement ppc long double->uint conversion. 
Make ppc long double constants print.

llvm-svn: 42882
 2007-10-11 23:32:15 +00:00
Dan Gohman
f8c79a885f Call getFunctionNumber() instead of referencing FunctionNumber directly, 
for consistency.

llvm-svn: 42769
 2007-10-08 21:27:12 +00:00
Dale Johannesen
d94f00234f Fix stride computations for long double arrays. 
llvm-svn: 42508
 2007-10-01 23:08:35 +00:00
Dale Johannesen
a30678c8f0 minor long double related changes 
llvm-svn: 42439
 2007-09-28 18:06:58 +00:00
Dale Johannesen
089d2e760f Make temporaries explicit to avoid premature 
destruction of compiler-created ones.

llvm-svn: 42383
 2007-09-26 23:20:33 +00:00
Dan Gohman
d005faa65d Add a routine for emitting .file directives, for setting up 
file numbers to use with .loc directives.

llvm-svn: 42272
 2007-09-24 20:58:13 +00:00
Bill Wendling
bfd2f2f6d7 Don't pass back a reference to a temporary. 
llvm-svn: 42086
 2007-09-18 09:10:16 +00:00
Bill Wendling
537b869514 The exception handling function info should be reset for each new 
function. The information isn't used heavily -- it's only used at the end
of exception handling emission -- so there's no need to cache it.

llvm-svn: 42078
 2007-09-18 05:03:44 +00:00
Bill Wendling
803e0d9970 Objective-C was generating EH frame info like this: 
"_-[NSString(local) isNullOrNil]".eh = 0
        .no_dead_strip  "_-[NSString(local) isNullOrNil]".eh

The ".eh" should be inside the quotes.

llvm-svn: 42074
 2007-09-18 01:47:22 +00:00
Dan Gohman
fb60c0dfed Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Dale Johannesen
4784ee3431 Revise previous patch per review comments. 
Next round of x87 long double stuff.
Getting close now, basically works.

llvm-svn: 41875
 2007-09-12 03:30:33 +00:00
Dale Johannesen
7bc3969cea Add APInt interfaces to APFloat (allows directly 
access to bits).  Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling 
(untested, probably does not work).

llvm-svn: 41858
 2007-09-11 18:32:33 +00:00
Dale Johannesen
86f367a6b7 Next round of APFloat changes. 
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double.  Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)

llvm-svn: 41747
 2007-09-06 18:13:44 +00:00
Anton Korobeynikov
0e3789f07a Proper handle case, when aliasee is external weak symbol referenced only by alias itself. 
Also, fix a case, when target doesn't have weak symbols supported.

llvm-svn: 41746
 2007-09-06 17:21:48 +00:00
Andrew Lenharth
3902197dc3 move this check. ppc outputs .no_dead_strip properly 
llvm-svn: 41286
 2007-08-22 19:33:11 +00:00
Dan Gohman
555f611994 Print a space between the comment character and the basic block name, 
for prettiness.

llvm-svn: 40593
 2007-07-30 15:06:25 +00:00
Evan Cheng
4b747bb6a0 EmitAlignment() also emits optional fill value. 
llvm-svn: 40500
 2007-07-25 23:35:07 +00:00
Evan Cheng
8728a6c3fd Global ctors / dtors alignment shouldn't be hard-coded at 4. e.g. It could be 8 for 64-bit targets. 
llvm-svn: 37421
 2007-06-04 20:39:18 +00:00
Chris Lattner
72e07238ba Fix the asmprinter so that a globalvalue can specify an explicit alignment 
smaller than the preferred alignment, but so that the target can actually
specify a minimum alignment if needed.  This fixes some objc protocol
failures Devang tracked down.

llvm-svn: 37373
 2007-05-31 18:57:45 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Chris Lattner
9f10fc6b4c Clean up multi-line asam string printing. Instead of printing: 
# InlineAsm Start
        subfc r3,r5,r4
                subfze r4,r3
        # InlineAsm End

print:

        # InlineAsm Start
        subfc r3,r5,r4
        subfze r4,r3
        # InlineAsm End

llvm-svn: 36589
 2007-04-30 17:00:18 +00:00
Anton Korobeynikov
cb2004f82c Implement review feedback 
llvm-svn: 36564
 2007-04-29 18:02:48 +00:00
Anton Korobeynikov
45162c6dad Implement review feedback. Aliasees can be either GlobalValue's or 
bitcasts of them.

llvm-svn: 36537
 2007-04-28 13:45:00 +00:00
Anton Korobeynikov
25dc9a61cb Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part 
will follow.

llvm-svn: 36435
 2007-04-25 14:27:10 +00:00
Dale Johannesen
c878c6c2ed modify per review commentary 
llvm-svn: 36383
 2007-04-23 23:33:31 +00:00