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8732 Commits

Author SHA1 Message Date
Chris Lattner
30a253067e add a comment 
llvm-svn: 94417
 2010-01-25 07:53:05 +00:00
Chris Lattner
9834b7f300 emit the .size directive for global variables on ELF through 
mcstreamer.

llvm-svn: 94416
 2010-01-25 07:52:13 +00:00
Chris Lattner
5a57121631 make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 
llvm-svn: 94378
 2010-01-24 20:43:08 +00:00
Chris Lattner
0dde21dba4 fix some issues where we weren't emitting enough newlines. 
llvm-svn: 94370
 2010-01-24 19:01:06 +00:00
Chris Lattner
c0ac5c1d3b when emitting DIEs, emit the comment on the same line as the directive. 
This fixes FrontendObjC/2009-11-30-Objc-ID.m

llvm-svn: 94369
 2010-01-24 18:54:17 +00:00
Mon P Wang
d4d1cbb72b It seems better to scalarize vectors of size 1 instead of widening them. 
Add support to widen SETCC.

llvm-svn: 94342
 2010-01-24 00:24:43 +00:00
Mon P Wang
871ea08e40 Improved widening loads by adding support for wider loads if 
the alignment allows.  Fixed a bug where we didn't use a
vector load/store for PR5626.

llvm-svn: 94338
 2010-01-24 00:05:03 +00:00
Bill Wendling
7449bb010b Remove the '-disable-scheduling' flag and replace it with the 'source' option of 
the '-pre-RA-sched' flag. It actually makes more sense to do it this way. Also,
keep track of the SDNode ordering by default. Eventually, we would like to make
this ordering a way to break a "tie" in the scheduler. However, doing that now
breaks the "CodeGen/X86/abi-isel.ll" test for 32-bit Linux.

llvm-svn: 94308
 2010-01-23 10:26:57 +00:00
Chris Lattner
617e6fb889 mcize lcomm, simplify .comm, extend both to support 64-bit sizes. 
llvm-svn: 94299
 2010-01-23 07:47:02 +00:00
Chris Lattner
7e1fa376cc resolve a fixme: the "nonexecutable stack directive" is actually 
a .section.  Switch to it with SwitchSection.

However, I think that this directive should be safe on any ELF target.
If so, we should hoist it up out of the X86 and SystemZ targets.

llvm-svn: 94298
 2010-01-23 07:21:06 +00:00
Chris Lattner
7fe6265555 remove a dead call. 
llvm-svn: 94297
 2010-01-23 07:17:54 +00:00
Chris Lattner
56c318f344 mcize visibility directives. 
llvm-svn: 94295
 2010-01-23 06:53:23 +00:00
Chris Lattner
60edc92e39 move the various directive enums out of the MCStreamer class 
into a new MCDirectives.h file.

llvm-svn: 94294
 2010-01-23 06:39:22 +00:00
Chris Lattner
1b7c00a4f2 Change constantexpr global variable initializers to convert the constants 
to MCExpr then emit them through MCStreamer with EmitValue.  I think all
global variable initializers are now going through mcstreamer.

llvm-svn: 94293
 2010-01-23 06:17:14 +00:00
Chris Lattner
62d08f5577 mcstreamerize .no_dead_strip and .reference for static ctors/dtors. 
llvm-svn: 94290
 2010-01-23 05:51:36 +00:00
Chris Lattner
2ee0376c42 mcize jump table and constant pool entry labels, .local on elf, 
and some .weak directives.

llvm-svn: 94284
 2010-01-23 05:19:23 +00:00
Chris Lattner
20a336f1df emit .ascii and .asciz through MCStreamer. 
llvm-svn: 94282
 2010-01-23 04:54:10 +00:00
Chris Lattner
e6801b7c24 remove one form of EmitString, just use EmitBytes instead. We must 
be careful to add a \0 at the end though, because EmitString didn't
do this.

llvm-svn: 94277
 2010-01-23 03:11:46 +00:00
Chris Lattner
e46549ed67 teach MCAsmStreamer::EmitBytes to use .ascii and .asciz 
llvm-svn: 94259
 2010-01-23 00:15:00 +00:00
Evan Cheng
a238930f0b Enable pre-regalloc scheduling load clustering by default. 
llvm-svn: 94255
 2010-01-22 23:49:45 +00:00
Chris Lattner
f703377447 move "EOL" from asmprinter to dwarfprinter. It should eventually 
be completely eliminated, but today is not that day.

llvm-svn: 94253
 2010-01-22 23:47:11 +00:00
Chris Lattner
22ec298d24 remove uses of EOL. 
llvm-svn: 94252
 2010-01-22 23:43:14 +00:00
Chris Lattner
be728e94f1 add a new EmitCFAByte method and use it. 
llvm-svn: 94251
 2010-01-22 23:40:08 +00:00
Chris Lattner
de2a14c724 move uleb printing from asmprinter to dwarfprinter, mcize, 
cleanup and eliminate a bunch more uses of "EOL".

llvm-svn: 94250
 2010-01-22 23:18:42 +00:00
Chris Lattner
6b1e1bb9e9 move sleb printing out of asmprinter into dwarf printer, make clients 
handle the comment better, MCize the non-.sleb case.

llvm-svn: 94244
 2010-01-22 22:56:55 +00:00
Devang Patel
81f0fa06d7 Remove MetadataBase class because it is not adding significant value. 
llvm-svn: 94243
 2010-01-22 22:52:10 +00:00
Dale Johannesen
b1ebe8137b Ignore DEBUG_VALUE when building live intervals; 
this makes the code work transparently the same
whether they're there or not.

llvm-svn: 94240
 2010-01-22 22:38:21 +00:00
Chris Lattner
576e41a375 add a new DwarfPrinter::EmitEncodingByte method which handles 
pretty printing encoding comments and eliminates redundancy on
the client side.  We now get pretty dwarf like this again:

        .byte   255                                         ## @LPStart Encoding = omit
        .byte   0                                           ## @TType Encoding = absptr
        .byte   0x28                                        ## @TType base offset
        .byte   3                                           ## Call site Encoding = udata4
        .byte   0x1a                                        ## Call site table size
...

llvm-svn: 94239
 2010-01-22 22:38:16 +00:00
Chris Lattner
7976cac884 rename the dwarf class to DwarfPrinter. This matches the filename 
and much more accurately describes what it is all about.

llvm-svn: 94233
 2010-01-22 22:23:57 +00:00
Chris Lattner
6779ef9325 fix indentation 
llvm-svn: 94232
 2010-01-22 22:19:51 +00:00
Chris Lattner
2fa5f5ce56 inline away the trivial AsmPrinter::EOL() method. 
llvm-svn: 94230
 2010-01-22 22:09:00 +00:00
Chris Lattner
19abca37d2 inline AsmPrinter::PrintHex into its two trivial callers. 
llvm-svn: 94228
 2010-01-22 21:57:56 +00:00
Chris Lattner
0347671f14 change this to be a static function instead of a method on asmprinter. 
llvm-svn: 94227
 2010-01-22 21:50:41 +00:00
Chris Lattner
92531ea22d make the loop comment printer print out a much better structured 
output.  An example:

        .align  4, 0x90
LBB1_5:                                                     ## %while.cond3
                                                            ##   Parent Loop BB1_1 Depth=1
                                                            ## =>  This Loop Header: Depth=2
                                                            ##       Child Loop BB1_8 Depth 3
                                                            ##       Child Loop BB1_6 Depth 3

llvm-svn: 94225
 2010-01-22 21:43:28 +00:00
Chris Lattner
bc2e117803 For blocks that are not loop headers, just print their loop depth and header BB. 
For loop headers, print Inner loop along with the other stuff so it doesn't take
an extra line.  We now get stuff like this:

LBB1_4:                                                     ## %land.end
                                                            ##   in Loop: Header=BB1_1 Depth=1
        notb    %al
        testb   $1, %al
        jne     LBB1_8

and:

LBB1_6:                                                     ## %while.cond7
                                                            ## Inner Loop Header: Depth=3
                                                            ##     Inside Loop BB1_5 Depth 2
                                                            ##   Inside Loop BB1_1 Depth 1

which still isn't great for loop headers, but is much less verbose.

llvm-svn: 94221
 2010-01-22 21:11:06 +00:00
Chris Lattner
c234f18c07 reenable the label loop comments and switch them to use the formatted 
comment emission stuff.  I'm going to rewrite this though because the
current output doesn't make sense.

llvm-svn: 94215
 2010-01-22 21:00:45 +00:00
Chris Lattner
bc01d5b148 Convert some more random-comment-printing stuff to use 
AddComment and GetCommentOS.  Add a blank line between globals
(even in non-verbose mode) to make the assembly more readable.

llvm-svn: 94202
 2010-01-22 19:52:01 +00:00
Chris Lattner
20390f5205 add a new MCAsmStreamer::GetCommentOS method to simplify stuff 
that doesn't want to use twines.

llvm-svn: 94199
 2010-01-22 19:17:48 +00:00
Chris Lattner
784036d536 rename addComment -> AddComment for consistency. 
llvm-svn: 94190
 2010-01-22 18:21:35 +00:00
Dan Gohman
a527ad10cc Revert r94066, which was the patch which added a Verifier pass after 
LoopStrengthReduce, as it's causing too much trouble (even with the
old LoopStrengthReduce code).

llvm-svn: 94172
 2010-01-22 10:48:28 +00:00
Chris Lattner
df1b7b6164 Add the ability for MCStreamer to emit comments on the same line as directives. 
Switch over the asm-verbose comment for double values to use it.  We now get:

_x:
	.long	343597384                                   ## double 1.231200e+02
	.long	1079953326

For example, note that the comment is on the same line as the .long.  Woo.

llvm-svn: 94166
 2010-01-22 07:29:22 +00:00
Chris Lattner
5eb0c8a2bd pass "-fasm-verbose" into createAsmStreamer. 
llvm-svn: 94165
 2010-01-22 07:06:15 +00:00
Chris Lattner
276811b58a Stop building RTTI information for *most* llvm libraries. Notable 
missing ones are libsupport, libsystem and libvmcore.  libvmcore is
currently blocked on bugpoint, which uses EH.  Once it stops using
EH, we can switch it off.

This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.

llvm-svn: 94164
 2010-01-22 06:49:46 +00:00
Evan Cheng
72dbbce547 Teach pre-regalloc scheduler to schedule loads from nearby addresses. It may improve cache locality. This is controlled by -cluster-loads for now. 
llvm-svn: 94148
 2010-01-22 03:36:51 +00:00
Evan Cheng
c3ad04c825 Trim unneeded includes. 
llvm-svn: 94105
 2010-01-21 21:44:43 +00:00
Jim Grosbach
57ca094a52 back this out for now. Growing Function is not good. 
llvm-svn: 94097
 2010-01-21 20:10:22 +00:00
Dan Gohman
45406404b1 Run the verifier after LSR, to help catch use-before-def errors before 
they reach codegen.

llvm-svn: 94066
 2010-01-21 03:51:36 +00:00
Jim Grosbach
cf6e6e1c79 Make sure that landing pad entries in the EH call site table are in the proper 
order for SjLj style exception handling.

llvm-svn: 94055
 2010-01-21 00:43:30 +00:00
Jim Grosbach
98eae84f2e SjLj EH introduces can introduce an additional edge to a landing pad and pad 
normalization needs to take this into account.

llvm-svn: 94046
 2010-01-20 23:03:55 +00:00
Dale Johannesen
e6672a5bda make findDebugLoc a class method 
llvm-svn: 94032
 2010-01-20 21:36:02 +00:00