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6254 Commits

Author SHA1 Message Date
Evan Cheng
0e82270ff2 Matches MachineInstr changes. 
llvm-svn: 31712
 2006-11-13 23:36:35 +00:00
Chris Lattner
81ea2c7c0a teach the g5 hazard recognizer about update loads. This fixes 
Ptrdist/anagram among others.

llvm-svn: 31708
 2006-11-13 20:11:06 +00:00
Nick Lewycky
f4f28f415d Cute example from Chris Lattner. 
llvm-svn: 31696
 2006-11-13 00:23:28 +00:00
Jim Laskey
d692c1a0ab Make sure stack link is set in 64-bit. 
llvm-svn: 31690
 2006-11-11 22:22:07 +00:00
Chris Lattner
b5aefe29ae implement proper PPC64 prolog/epilog codegen. 
llvm-svn: 31684
 2006-11-11 19:05:28 +00:00
Jim Laskey
f5bffa5670 Running with frame pointers prevented debugging, external probes and 
potentially some system calls/exception handling from working.  TOS must always
link to previous frame.  This is a short term workaround until alloca scheme is
reworked.

llvm-svn: 31677
 2006-11-11 10:21:58 +00:00
Evan Cheng
b9e2ae9e37 Add implicit use / def operands to created MI's. 
llvm-svn: 31676
 2006-11-11 10:21:44 +00:00
Evan Cheng
f880ed86ff Add all implicit defs to FP_REG_KILL mi. 
llvm-svn: 31674
 2006-11-11 07:19:36 +00:00
Chris Lattner
1409347c13 allow the offset of a preinc'd load to be the low-part of a global. This 
produces this clever code:

_millisecs:
        lis r2, ha16(_Time.1182)
        lwzu r3, lo16(_Time.1182)(r2)
        lwz r2, 4(r2)
        addic r4, r2, 1
        addze r3, r3
        blr

instead of this:

_millisecs:
        lis r2, ha16(_Time.1182)
        la r3, lo16(_Time.1182)(r2)
        lwz r2, lo16(_Time.1182)(r2)
        lwz r3, 4(r3)
        addic r4, r3, 1
        addze r3, r2
        blr

for:

long %millisecs() {
        %tmp = load long* %Time.1182            ; <long> [#uses=1]
        %tmp1 = add long %tmp, 1                ; <long> [#uses=1]
        ret long %tmp1
}

llvm-svn: 31673
 2006-11-11 04:53:30 +00:00
Chris Lattner
3d48461071 Mark operands as symbol lo instead of imm32 so that they print lo(x) around 
globals.

llvm-svn: 31672
 2006-11-11 04:51:36 +00:00
Chris Lattner
9c5d395b0e ppc64 doesn't have lwau, don't attempt to form it. 
llvm-svn: 31656
 2006-11-11 00:08:42 +00:00
Chris Lattner
1aaa5f904c implement preinc support for r+i loads on ppc64 
llvm-svn: 31654
 2006-11-10 23:58:45 +00:00
Evan Cheng
922c8f63b0 Add a note. 
llvm-svn: 31650
 2006-11-10 22:09:17 +00:00
Evan Cheng
8c372dc9b3 These are done. 
llvm-svn: 31649
 2006-11-10 22:03:35 +00:00
Evan Cheng
ae1f3758bd Don't dag combine floating point select to max and min intrinsics. Those 
take v4f32 / v2f64 operands and may end up causing larger spills / restores.
Added X86 specific nodes X86ISD::FMAX, X86ISD::FMIN instead.

This fixes PR996.

llvm-svn: 31645
 2006-11-10 21:43:37 +00:00
Evan Cheng
3a017e8abd Fix a bug in SelectScalarSSELoad. Since the load is wrapped in a 
SCALAR_TO_VECTOR, even if the hasOneUse() check pass we may end up folding
the load into two instructions. Make sure we check the SCALAR_TO_VECTOR
has only one use as well.

llvm-svn: 31641
 2006-11-10 21:23:04 +00:00
Chris Lattner
5e975945a5 dform 8/9 are identical to dform 1 
llvm-svn: 31637
 2006-11-10 17:51:02 +00:00
Evan Cheng
de7ff3fa3d Fix a potential bug. 
llvm-svn: 31634
 2006-11-10 09:13:37 +00:00
Evan Cheng
013597778d Add implicit def / use operands to MachineInstr. 
llvm-svn: 31633
 2006-11-10 08:43:01 +00:00
Chris Lattner
1604b6a873 add an initial cut at preinc loads for ppc32. This is broken for ppc64 
(because the 64-bit reg target versions aren't implemented yet), doesn't
support r+r addr modes, and doesn't handle stores, but it works otherwise. :)

This is disabled unless -enable-ppc-preinc is passed to llc for now.

llvm-svn: 31621
 2006-11-10 02:08:47 +00:00
Chris Lattner
15c49af63f add note about ugly codegen with preinc 
llvm-svn: 31617
 2006-11-10 01:33:53 +00:00
Evan Cheng
6f0095807e Use TargetInstrInfo::getNumOperands() instead of MachineInstr::getNumOperands(). In preparation for implicit reg def/use changes. 
llvm-svn: 31616
 2006-11-10 01:28:43 +00:00
Anton Korobeynikov
23ffdb1971 Fixing PR990: http://llvm.org/PR990. 
This should unbreak csretcc on Linux & mingw targets. Several tests from
llvm-test should be also restored (fftbench, bigfib).

llvm-svn: 31613
 2006-11-10 00:48:11 +00:00
Chris Lattner
48d2b0af37 add a note about viterbi 
llvm-svn: 31612
 2006-11-10 00:23:26 +00:00
Evan Cheng
d7df1a37bc PPC supports i32 / i64 pre-inc load / store. 
llvm-svn: 31599
 2006-11-09 19:11:50 +00:00
Evan Cheng
22bb3ba200 Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
llvm-svn: 31596
 2006-11-09 18:44:21 +00:00
Evan Cheng
89ee587963 Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
llvm-svn: 31595
 2006-11-09 17:55:04 +00:00
Rafael Espindola
5daebfdae0 implement load effective address similar to the alpha backend 
remove lea_addri and the now unused memri addressing mode

llvm-svn: 31592
 2006-11-09 13:58:55 +00:00
Evan Cheng
8743c67826 Remove M_2_ADDR_FLAG. 
llvm-svn: 31583
 2006-11-09 02:22:54 +00:00
Evan Cheng
019b921f3b Added indexed store node and patfrag's. 
llvm-svn: 31576
 2006-11-08 23:02:11 +00:00
Evan Cheng
2edeb17aed Use movl+xchgl instead of pushl+popl. 
llvm-svn: 31572
 2006-11-08 20:35:37 +00:00
Evan Cheng
736a8eb3cd Match tblegen changes. 
llvm-svn: 31571
 2006-11-08 20:34:28 +00:00
Rafael Espindola
f7b898d497 initial implementation of addressing mode 2 
TODO: fix lea_addri

llvm-svn: 31552
 2006-11-08 17:07:32 +00:00
Reid Spencer
da1f5b882a For PR950: 
This patch converts the old SHR instruction into two instructions,
AShr (Arithmetic) and LShr (Logical). The Shr instructions now are not
dependent on the sign of their operands.

llvm-svn: 31542
 2006-11-08 06:47:33 +00:00
Chris Lattner
bd39c99fd1 Refactor all the addressing mode selection stuff into the isel lowering 
class, where it can be used for preinc formation.

llvm-svn: 31536
 2006-11-08 02:15:41 +00:00
Chris Lattner
35fb10e1a4 correct the (currently unused) pattern for lwzu. 
llvm-svn: 31535
 2006-11-08 02:13:12 +00:00
Evan Cheng
7ca1f47a96 Fixed a bug which causes x86 be to incorrectly match 
shuffle v, undef, <2, ?, 3, ?>
to movhlps
It should match to unpckhps instead.

Added proper matching code for
shuffle v, undef, <2, 3, 2, 3>

llvm-svn: 31519
 2006-11-07 22:14:24 +00:00
Chris Lattner
f64e5f5f3e add a note from viterbi 
llvm-svn: 31506
 2006-11-07 18:30:21 +00:00
Chris Lattner
bed20e1a25 fix encoding of BLR 
llvm-svn: 31485
 2006-11-07 01:51:50 +00:00
Chris Lattner
c3e6822514 add a note 
llvm-svn: 31477
 2006-11-06 21:26:49 +00:00
Jeff Cohen
e1003da1a2 Unbreak VC++ build. 
llvm-svn: 31464
 2006-11-05 19:31:28 +00:00
Reid Spencer
be216ad603 Fix a bug in the last patch and convert to && instead of & for logical expr. 
llvm-svn: 31463
 2006-11-05 19:26:37 +00:00
Reid Spencer
f88c9b1dfc Implement the -enabled-cbe-printf-a feature. 
llvm-svn: 31462
 2006-11-05 17:09:41 +00:00
Chris Lattner
a193c9c977 encode BLR predicate info for the JIT 
llvm-svn: 31450
 2006-11-04 05:42:48 +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
Chris Lattner
db04ba8502 Describe PPC predicates, which are a pair of CR# and condition. 
llvm-svn: 31438
 2006-11-03 23:53:25 +00:00
Chris Lattner
4296d2e0fa initial steps to getting the predicate on PPC::BLR right. 
llvm-svn: 31437
 2006-11-03 23:52:18 +00:00
Chris Lattner
f9394871ff remove dead var 
llvm-svn: 31436
 2006-11-03 23:50:15 +00:00
Chris Lattner
7c265ad682 remove dead/redundant vars 
llvm-svn: 31435
 2006-11-03 23:48:56 +00:00
Chris Lattner
a69c6416ca remove redundant/dead vars 
llvm-svn: 31434
 2006-11-03 23:47:20 +00:00
Chris Lattner
5f953f0927 remove dead vars 
llvm-svn: 31433
 2006-11-03 23:46:45 +00:00
Chris Lattner
2cb1391e09 add a note 
llvm-svn: 31429
 2006-11-03 22:27:39 +00:00
Rafael Espindola
3459a4b85b revert previous patch 
llvm-svn: 31411
 2006-11-03 03:08:28 +00:00
Evan Cheng
54c4be233e Dead code. 
llvm-svn: 31405
 2006-11-03 02:08:41 +00:00
Rafael Espindola
5cfe91aaca add createCFGSimplificationPass to ARMTargetMachine::addInstSelector 
llvm-svn: 31400
 2006-11-03 01:39:25 +00:00
Chris Lattner
294085b9be silence warning 
llvm-svn: 31395
 2006-11-03 01:19:31 +00:00
Chris Lattner
13ae6835d9 silence warnings. 
llvm-svn: 31394
 2006-11-03 01:18:29 +00:00
Chris Lattner
24e8fdc1f6 silence warning 
llvm-svn: 31393
 2006-11-03 01:13:15 +00:00
Chris Lattner
71ce2c5de5 silence warnings 
llvm-svn: 31392
 2006-11-03 01:11:05 +00:00
Reid Spencer
524974949d Make CBackend -pedantic clean. 
llvm-svn: 31388
 2006-11-03 00:00:57 +00:00
Chris Lattner
d0b2340384 fix a bug reid noticed 
llvm-svn: 31385
 2006-11-02 23:39:53 +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
Rafael Espindola
04afe6eb37 move ARMCondCodeToString to ARMAsmPrinter.cpp 
remove unused variables from lowerCall

llvm-svn: 31378
 2006-11-02 15:00:02 +00:00
Andrew Lenharth
c43c2d6966 fix 2006-11-01-vastart.ll 
llvm-svn: 31371
 2006-11-02 03:05:26 +00:00
Reid Spencer
1abf69e923 For PR950: 
Replace the REM instruction with UREM, SREM and FREM.

llvm-svn: 31369
 2006-11-02 01:53:59 +00:00
Chris Lattner
38c04a6bd6 Implement the getRegForInlineAsmConstraint method for PPC. With recent 
sdisel changes, this eliminates a ton of copies around common inline asms.
For example:

int test2(int Y, int X) {
  asm("foo %0, %1" : "=r"(X): "r"(X));
  return X;
}

now compiles to:

_test2:
        foo r3, r4
        blr

instead of:

_test2:
        mr r2, r4
        foo r2, r2
        mr r3, r2
        blr

GCC produces:

_test2:
        foo r4, r4
        mr r3,r4
        blr

llvm-svn: 31367
 2006-11-02 01:44:04 +00:00
Evan Cheng
1da5ee8485 Rename 
llvm-svn: 31364
 2006-11-01 23:18:32 +00:00
Evan Cheng
b1ac9f6c12 Added getTiedToSrcOperand() to check for two-address'ness. 
llvm-svn: 31360
 2006-11-01 23:00:31 +00:00
Rafael Espindola
3ae2b33d17 print null values in bss 
llvm-svn: 31349
 2006-11-01 14:26:44 +00:00
Rafael Espindola
a52f709418 implement zextload bool and truncstore bool 
llvm-svn: 31348
 2006-11-01 14:13:27 +00:00
Evan Cheng
790d5c7697 Fix ldmxcsr JIT encoding. 
llvm-svn: 31343
 2006-11-01 06:53:52 +00:00
Evan Cheng
f49cb35d90 Add constraints to Instruction class. 
llvm-svn: 31332
 2006-11-01 00:26:27 +00:00
Andrew Lenharth
92b6c807c7 more shotenning 
llvm-svn: 31331
 2006-10-31 23:46:56 +00:00
Evan Cheng
cabfd99a79 Nuke dead code. 
llvm-svn: 31327
 2006-10-31 21:53:31 +00:00
Chris Lattner
def30d3eda allow the address of a global to be used with the "i" constraint when in 
-static mode.  This implements PR882.

llvm-svn: 31326
 2006-10-31 20:13:11 +00:00
Chris Lattner
0571c323bf implement the 'c' inline asm modifier character 
llvm-svn: 31325
 2006-10-31 20:12:30 +00:00
Andrew Lenharth
cc672e3b2b Let us play simplify the td file (and fix a few missed sub and mul patterns). 
llvm-svn: 31322
 2006-10-31 19:52:12 +00:00
Chris Lattner
3bed109ed9 handle "st" as "st(0)" 
llvm-svn: 31320
 2006-10-31 19:42:44 +00:00
Chris Lattner
d9afd310a6 Change the prototype for TargetLowering::isOperandValidForConstraint 
llvm-svn: 31318
 2006-10-31 19:40:43 +00:00
Andrew Lenharth
c4f8836525 Add all that branch mangling niftiness 
llvm-svn: 31313
 2006-10-31 16:49:55 +00:00
Rafael Espindola
ba8771a3db add support for calling functions when the caller has variable sized objects 
llvm-svn: 31312
 2006-10-31 13:03:26 +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
Anton Korobeynikov
9867bf5eaf Unbreaking static ctors patch. 
Defaulting second arguments of SwitchTo*Section, this should make things
somehow clearer.

llvm-svn: 31306
 2006-10-31 06:11:06 +00:00
Reid Spencer
0b5a938e79 Make this compile again. 
llvm-svn: 31304
 2006-10-31 01:45:56 +00:00
Evan Cheng
a8168f310e Apply Aton's LLVM patch for PR973: Linux ctors / dtors support. 
llvm-svn: 31303
 2006-10-31 01:26:55 +00:00
Chris Lattner
ed0b1b4b24 fix miscompilation of llvm.isunordered, where we branched on the opposite 
condition.  This fixes miscompilation of Olden/bh and many others.

llvm-svn: 31301
 2006-10-30 23:02:25 +00:00
Reid Spencer
db06ed9156 Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4 
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.

llvm-svn: 31299
 2006-10-30 22:32:30 +00:00
Chris Lattner
ac9ed02670 fix wonky indentation 
llvm-svn: 31298
 2006-10-30 22:27:23 +00:00
Evan Cheng
5766dd6455 All targets expand BR_JT for now. 
llvm-svn: 31294
 2006-10-30 08:02:39 +00:00
Chris Lattner
a478e05437 implement the BlockHasNoFallThrough hook 
llvm-svn: 31264
 2006-10-28 17:35:02 +00:00
Chris Lattner
dcfee77788 add another target hook for branch folding. 
llvm-svn: 31262
 2006-10-28 17:29:57 +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
45b6e99308 Doh. Must check if GV is constant first. 
llvm-svn: 31252
 2006-10-28 05:56:06 +00:00
Chris Lattner
0d69f553c9 don't dist internal readme 
llvm-svn: 31247
 2006-10-28 00:51:15 +00:00
Chris Lattner
c94f21143f don't dist internal readme's 
llvm-svn: 31246
 2006-10-28 00:49:54 +00:00
Chris Lattner
b57c880eb0 don't distribute internal readme's 
llvm-svn: 31245
 2006-10-28 00:48:27 +00:00
Reid Spencer
6719e92a1a Make sure all the readme files get distributed. 
llvm-svn: 31244
 2006-10-28 00:11:39 +00:00
Chris Lattner
838d0cbb0a this doesn't occur any more in mason 
llvm-svn: 31236
 2006-10-27 22:02:19 +00:00
Chris Lattner
6fe4efd730 the code in question is now: 
cmpw cr0, r7, r3
        ble cr0, LBB1_5 ;bb25
LBB1_8: ;bb17
        cmpw cr0, r8, r5
        bgt cr0, LBB1_2 ;bb

which is just as good as crnand.

llvm-svn: 31235
 2006-10-27 22:00:55 +00:00
Evan Cheng
090e9abaee Fixed a significant bug where unpcklpd is incorrectly used to extract element 1 from a v2f64 value. 
llvm-svn: 31228
 2006-10-27 21:08:32 +00:00
Evan Cheng
a1ce4523e5 Fix for PR968: expand vector sdiv, udiv, srem, urem. 
llvm-svn: 31220
 2006-10-27 18:49:08 +00:00
Reid Spencer
79e316703d Initialize CStringSection member var. 
llvm-svn: 31214
 2006-10-27 16:14:06 +00:00
Evan Cheng
9048e1010b Change load PatFrag to ignore indexed load. 
llvm-svn: 31210
 2006-10-26 21:55:50 +00:00
Evan Cheng
65e78f3d08 Place cstrings in .cstring section. 
llvm-svn: 31207
 2006-10-26 21:48:57 +00:00
Evan Cheng
3144b839f0 Put cstrings in .cstring section when compiling for Mac OS X. 
llvm-svn: 31203
 2006-10-26 19:18:18 +00:00
Rafael Espindola
99322ef58c initial support for frame pointers 
llvm-svn: 31197
 2006-10-26 13:31:26 +00:00
Reid Spencer
b3409f52ef Enclose a case in { and } so that the pickier compilers don't complain. 
llvm-svn: 31196
 2006-10-26 06:17:40 +00:00
Reid Spencer
6833ffe8b8 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Evan Cheng
1abe8bd233 During vector shuffle lowering, we sometimes commute a vector shuffle to try 
to match MOVL (movss, movsd, etc.). Don't forget to commute it back and try
unpck* and shufp* if that doesn't pan out.

llvm-svn: 31186
 2006-10-25 21:49:50 +00:00
Evan Cheng
034305a2e8 X86ISD::PEXTRW 3rd operand type is always target pointer type. 
llvm-svn: 31185
 2006-10-25 21:35:05 +00:00
Evan Cheng
01529405c9 Remove -disable-x86-shuffle-opti 
llvm-svn: 31183
 2006-10-25 20:48:19 +00:00
Devang Patel
0691019e12 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Rafael Espindola
a962656c07 expand ISD::VACOPY 
llvm-svn: 31170
 2006-10-24 20:15:21 +00:00
Chris Lattner
790275342a Fix CodeGen/IA64/ret-0.ll, which has apparently been broken since some of the 
isel changes happened months ago.

llvm-svn: 31164
 2006-10-24 17:09:43 +00:00
Rafael Espindola
2259fab5cf fix warning about missing newline at end of file 
llvm-svn: 31162
 2006-10-24 17:07:11 +00:00
Chris Lattner
71dc932fcb implement uncond branch insertion, mark branches with isBranch. 
llvm-svn: 31160
 2006-10-24 16:47:57 +00:00
Chris Lattner
34b009bf45 implement uncond branch insertion for the branch folding pass 
llvm-svn: 31159
 2006-10-24 16:44:55 +00:00
Chris Lattner
27b79c117a implement uncond branch insertion so alpha works work branchfolding. 
llvm-svn: 31158
 2006-10-24 16:41:36 +00:00
Chris Lattner
f899cf0dc5 implement uncond branch insertion for sparc to fix regressions from last night 
due to branchfolding

llvm-svn: 31157
 2006-10-24 16:39:19 +00:00
Chris Lattner
efee605648 new bad case 
llvm-svn: 31156
 2006-10-24 16:12:47 +00:00
Chris Lattner
e38c95d2a3 Add intrinsics for the rest of the DCB* instructions. 
llvm-svn: 31148
 2006-10-24 01:08:42 +00:00
Rafael Espindola
70f01d5cc0 implement STRB and STRH 
llvm-svn: 31138
 2006-10-23 20:34:27 +00:00
Rafael Espindola
357f151d9d expand ISD::MEMSET 
llvm-svn: 31137
 2006-10-23 20:08:22 +00:00
Chris Lattner
3826e15c8d this part implemented. 
llvm-svn: 31122
 2006-10-22 21:40:12 +00:00
Anton Korobeynikov
da7897a6c8 Do section switching right way for Mingw\Cygwin and Linux. 
This will allow (after llvm-gcc linkage fix) more dummy tests using
libstdc++ to pass on mingw :)

llvm-svn: 31120
 2006-10-22 21:37:13 +00:00
Reid Spencer
65b4f5b2dd Don't generate a prototype for _setjmp. At least on Linux, this function 
has a different prototype than the one #included from <setjmp.h>. This
patch fixes siod and a number of other test cases on Linux that were
failing the CBE because of this _setjmp issue.

llvm-svn: 31112
 2006-10-22 09:58:21 +00:00
Chris Lattner
a9adb1e558 Implement support for branch reversal, fix a bug in branch analysis. 
This provides stuff like:

        cmpw cr0, r15, r29
        mr r14, r15
-       bge cr0, LBB3_111       ;bb656
-       b LBB3_90       ;bb501
+       blt cr0, LBB3_90        ;bb501
 LBB3_111:      ;bb656
        lwz r18, 68(r1)

which is particularly good for dispatch group formation.

llvm-svn: 31101
 2006-10-21 06:03:11 +00:00
Chris Lattner
016325f336 Implement support for branch condition reversal. 
llvm-svn: 31099
 2006-10-21 05:52:40 +00:00
Chris Lattner
20bb8bfd45 Simplify code, no functionality change 
llvm-svn: 31097
 2006-10-21 05:42:09 +00:00
Chris Lattner
d3e583b2e1 implement support for inserting a cond branch 
llvm-svn: 31096
 2006-10-21 05:36:13 +00:00
Chris Lattner
b638d287f4 allow insertion of a conditional branch with fall-through 
llvm-svn: 31095
 2006-10-21 05:34:23 +00:00
Chris Lattner
596c126372 update assert message 
llvm-svn: 31093
 2006-10-21 04:42:29 +00:00
Chris Lattner
3fb2b87f17 bugfix 
llvm-svn: 31074
 2006-10-20 20:44:34 +00:00
Chris Lattner
62a0f00312 Implement branch analysis/xform hooks required by the branch folding pass. 
llvm-svn: 31065
 2006-10-20 17:42:20 +00:00
Reid Spencer
d414793dbc For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Rafael Espindola
c08546401b use Pat to implement extloadi8 and extloadi16 
llvm-svn: 31052
 2006-10-19 17:05:03 +00:00
Rafael Espindola
35e92188e0 implement undef 
llvm-svn: 31049
 2006-10-19 13:45:00 +00:00
Rafael Espindola
f7a41f3ddd print common symbols 
llvm-svn: 31048
 2006-10-19 13:30:40 +00:00
Rafael Espindola
722266845b implement extloadi8 and extloadi16 
llvm-svn: 31047
 2006-10-19 12:45:04 +00:00
Rafael Espindola
17544c1c1d expand SIGN_EXTEND_INREG 
llvm-svn: 31046
 2006-10-19 12:06:50 +00:00
Rafael Espindola
6cc20c7950 expand brind so that we don't have to implement jump tables right now 
llvm-svn: 31045
 2006-10-19 10:56:43 +00:00
Chris Lattner
a86fff7583 fit in 80 cols 
llvm-svn: 31039
 2006-10-18 18:26:48 +00:00
Chris Lattner
fa22dc8afe add a note 
llvm-svn: 31038
 2006-10-18 17:04:09 +00:00
Rafael Espindola
1220d18e11 add blx 
llvm-svn: 31037
 2006-10-18 16:21:43 +00:00
Rafael Espindola
73e8f41749 add isTerminatortto b and bcond 
llvm-svn: 31036
 2006-10-18 16:20:57 +00:00
Rafael Espindola
80c7461ada implement CallingConv::Fast as CallingConv::C 
llvm-svn: 31034
 2006-10-18 12:03:07 +00:00
Anton Korobeynikov
d1436ae792 Fixed mingw\cygwin linkonce linkage once again. 
Added workaround for linker bug with linkonce sections.
Changed sections prefix to allow linker merge them
(PE loader doesn't like too much long-named sections :) )
All of this unbreaks libstdc++ on mingw32 allowing (small)
programs to be compiled, linked and run.

llvm-svn: 31033
 2006-10-18 09:12:29 +00:00
Chris Lattner
0f686ec438 set the ppc64 stack pointer right, dynamic alloca now works for ppc64 
llvm-svn: 31028
 2006-10-18 01:20:43 +00:00
Chris Lattner
6c403f7102 Expand alloca for ppc64 
llvm-svn: 31027
 2006-10-18 01:18:48 +00:00
Chris Lattner
7353b07275 expose DWARF_LABEL opcode# so the branch folder can update debug info properly. 
llvm-svn: 31024
 2006-10-17 22:41:45 +00:00