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38458 Commits

Author SHA1 Message Date
Stuart Hastings
5a6a65be46 Tweak x86 INC/DEC generation to look for CopyToReg or SETCC. Radar 7866163. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 00:35:10 +00:00
Chris Lattner
2d4b8ee1d9 further clarify alignment of globals, fix instcombine 
to not increase the alignment of globals with an assigned
alignment and section.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102476 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-28 00:31:12 +00:00
Devang Patel
a00adba6a7 Use MachineOperand::is* predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 22:24:37 +00:00
Devang Patel
97303ee27d Use isReg(), isImm() and isFPImm(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 22:04:41 +00:00
Devang Patel
dcde3db38e Check operand type first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 21:49:04 +00:00
Evan Cheng
1c45acf510 Fix obvious typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102467 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 21:46:03 +00:00
Devang Patel
0f9d952542 Ignore DBG_VALUE instructions that points to undef values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 20:54:45 +00:00
Evan Cheng
b3716e3e28 SRA promotion is also not free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:48:31 +00:00
Evan Cheng
ac7eae5b89 - When legal, promote a load to zextload rather than ext load. 
- Catch more further dag combine opportunities as result of operand promotion, e.g. (i32 anyext (i16 trunc (i32 x))) -> (i32 x)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:48:13 +00:00
Devang Patel
eac9c07fde Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
This patch fixes bug (PR6894) introduced by previous version of this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:46:33 +00:00
Evan Cheng
ed33b13a10 Do not count kill, implicit_def instructions as printed instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 19:38:45 +00:00
Chris Lattner
4c4d0c0cc5 round zero-byte .zerofill directives up to 1 byte. This 
should fix some "g++.dg-struct-layout-1" failures, 
rdar://7886017


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 07:41:44 +00:00
Dale Johannesen
fc0b860bcc Revert a small part of 102372; this fixes at least one 
of the dbg testsuite regressions.  I don't think this is
really the right fix; this change exposed an existing problem
upstream somewhere.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-27 02:10:05 +00:00
Chris Lattner
c6f0aadc3b Fix a problem that lower invoke has with allocas (PR6694), and 
add a version of createLowerInvokePass that allows the client
to specify whether it wants "expensive" or "cheap" lowering.

Patch by Alex Mac!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:49:32 +00:00
Chris Lattner
d61647d306 add a comment in verbose-asm mode indicating why a noop is being generated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:41:43 +00:00
Chris Lattner
ee9eb411ff on darwin empty functions need to codegen into something of non-zero length, 
otherwise labels get incorrectly merged.  We handled this by emitting a 
".byte 0", but this isn't correct on thumb/arm targets where the text segment
needs to be a multiple of 2/4 bytes.  Handle this by emitting a noop.  This
is more gross than it should be because arm/ppc are not fully mc'ized yet.

This fixes rdar://7908505



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:37:21 +00:00
Bob Wilson
5dfa87ecc6 Handle register-to-register copies within the tGPR class. 
Radar 7896289


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 23:20:08 +00:00
Bob Wilson
cc7354e993 Avoid adding a null MD node operand, which crashes with "-debug" when trying 
to print the operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 22:56:56 +00:00
Devang Patel
5098da0a7e Use DW_AT_entry_pc instead of DW_AT_low_pc/DW_AT_high_pc pair. This simplifies debug range entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 22:54:28 +00:00
Dan Gohman
948c8a3e3d When checking whether the special handling for an addrec increment which 
doesn't dominate the header is needed, don't check whether the increment
expression has computable loop evolution. While the operands of an
addrec are required to be loop-invariant, they're not required to 
dominate any part of the loop. This fixes PR6914.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 21:46:36 +00:00
Dale Johannesen
925965e6ba Remove crufty comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 20:48:54 +00:00
Dale Johannesen
3f282aa94b Handle target-specific form of DBG_VALUE in AsmPrinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102373 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 20:07:31 +00:00
Dale Johannesen
fdb42fa5fe Add DBG_VALUE handling for byval parameters; this 
produces a comment on targets that support it, but
the Dwarf writer is not hooked up yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 20:06:49 +00:00
Dale Johannesen
efc3a6348a Add PPC AsmPrinter handling for target-specific form of 
DBG_VALUE, and a cautionary comment.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 20:05:01 +00:00
Evan Cheng
f48023b3cf Insert dbg_value instructions for function entry block liveins (i.e. function arguments). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 19:16:00 +00:00
Evan Cheng
552f09a0d7 Promoting 16-bit cmp / test aren't free. Don't do it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 19:06:11 +00:00
Chris Lattner
567dd1f5d0 fix PR6921 a different way. Intead of increasing the 
alignment of globals with a specified alignment, we fix
common variables to obey their alignment.  Add a comment
explaining why this behavior is important.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102365 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:46:46 +00:00
Evan Cheng
6fa7636e61 Re-enable 102323 with fix: do not update dbg_value's with incorrect frame indices when the live interval are being re-materialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102361 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:37:21 +00:00
Chris Lattner
f74e25f60c Revert r102300/102301, which serious broke objc apps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102359 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:30:45 +00:00
Chris Lattner
8581c260d3 fix PR6940: sitofp(undef) folds to 0.0, not undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102358 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 18:21:23 +00:00
Bob Wilson
211678a0d7 Update MachineSSAUpdater with the same changes I made for the IR-level 
SSAUpdater.  I'm going to try to refactor this to share most of the code
between them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102353 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 17:40:49 +00:00
Evan Cheng
6cd4b34261 Temporary disable spiller modifying dbg_value. It's breaking build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102327 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 08:24:07 +00:00
Evan Cheng
fc4d530ad6 Remove a redundant comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102326 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 08:16:57 +00:00
Evan Cheng
0965217e74 Add PPC specific emitFrameIndexDebugValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 07:39:36 +00:00
Evan Cheng
62b50656ce Add ARM specific emitFrameIndexDebugValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102324 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 07:39:25 +00:00
Evan Cheng
962021bc7f - Move TargetLowering::EmitTargetCodeForFrameDebugValue to TargetInstrInfo and rename it to emitFrameIndexDebugValue. 
- Teach spiller to modify DBG_VALUE instructions to reference spill slots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-26 07:38:55 +00:00
Dale Johannesen
f822e733af Stop abusing EmitInstrWithCustomInserter for target-dependent 
form of DEBUG_VALUE, as it doesn't have reasonable default
behavior for unsupported targets.  Add a new hook instead.
No functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102320 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 21:33:54 +00:00
Dale Johannesen
7dc7840850 Add comment re byval args. Doesn't actually work this way yet. 
xs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102316 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 21:03:54 +00:00
Chris Lattner
044698b39a Fix PR6921: globals were not getting correctly rounded up to their 
preferred alignment unless they were common or some other special
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 05:30:43 +00:00
Chris Lattner
73382423f2 silence a warning, patch by "mike". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 04:44:26 +00:00
Chris Lattner
d89673c028 remove #if 1's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102296 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-25 04:43:02 +00:00
Evan Cheng
c82c20b315 Avoid promoting a i16 node if it would eliminate a (store (op (load))) opportunity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102237 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 04:44:57 +00:00
Evan Cheng
95c57ea182 When a load operand is promoted to an extload, replace other uses with uses of extload result truncated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102236 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 04:43:44 +00:00
Dan Gohman
1d367988e2 Generalize LSR's OptimizeMax to handle the new kinds of max expressions 
that indvars may use, now that indvars is recognizing le and ge loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102235 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 03:13:44 +00:00
Dan Gohman
9f93d30a26 ScalarEvolution support for <= and >= loops. 
Also, generalize ScalarEvolutions's min and max recognition to handle
some new forms of min and max that this change makes more common.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 03:09:42 +00:00
Dan Gohman
d19bba69ad Use SimplifyICmpOperands in isKnownPredicate too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 01:38:36 +00:00
Dan Gohman
d4da5af271 Update isImpliedCond to use the new SimplifyICmpOperands utility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 01:34:53 +00:00
Dan Gohman
e979650fa5 Add a new utility function SimplifyICmpOperands. Much of this code is 
refactored out of ScalarEvolution::isImpliedCond, which will be updated
to use this new utility routine soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 01:28:42 +00:00
Dan Gohman
a7bcef1bce Apply a fix for a vector setcc dagcombine from Jan Sjodin. No 
testcase yet, as the testcase now fails downstream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-24 01:17:30 +00:00
Chris Lattner
5d7da43215 enable my inliner change: add newly devirtualized call sites to 
the worklist, making them inline candidates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 21:16:07 +00:00
Dan Gohman
6e8fd90602 Change TargetData's algorithm for computing defualt vector type 
alignment to match what's used in clang and GCC for __alignof, rather
than trying to guess what Legalize is going to be doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 19:41:15 +00:00
Evan Cheng
caf7740f96 Code refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 19:10:30 +00:00
Stuart Hastings
e3ff9ba40c Add some missing x86 patterns for movdq2q. Fixes two (LLVM-)GCC DejaGNU testcases. Radar 6881029. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 19:03:32 +00:00
Chris Lattner
076863225c switch InlineInfo.DevirtualizedCalls's list to be of WeakVH. 
This fixes a bug where calls inlined into an invoke would get
changed into an invoke but the array would keep pointing to
the (now dead) call.  The improved inliner behavior is still
disabled for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 18:37:01 +00:00
Chris Lattner
6275413ff5 fix callgraph dump to not print 0x0x1234 for nodes. 
Add the instruction pointer value for debuggability.  
We now get dump output that looks like this:

Call graph node for function: 'f1'<<0x1017086b0>>  #uses=1
  CS<0x1017046f8> calls external node

Call graph node for function: '_ZNSt6vectorIdSaIdEEC1EmRKdRKS0_'<<0x1017086f0>>  #uses=1
  CS<0x0> calls external node

Call graph node for function: 'f4'<<0x1017087a0>>  #uses=1
  CS<0x101708c88> calls function 'f3'



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102194 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 18:23:40 +00:00
Evan Cheng
2808ccb775 Fix X86ISD::CMP i16 to i32 promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 18:21:16 +00:00
Dan Gohman
e8c92dd439 Move FastISel's HandlePHINodesInSuccessorBlocks call down into FastISel 
itself too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 15:29:50 +00:00
Dan Gohman
fafb890ee2 Fix LSR to tolerate cases where ScalarEvolution initially 
misses an opportunity to fold add operands, but folds them
after LSR has separated them out. This fixes rdar://7886751.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 01:55:05 +00:00
Dan Gohman
c6863989fc When it doesn't matter whether zero or sign extension is used, 
use ScalarEvolutions "any" extend function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102156 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 01:51:29 +00:00
Dan Gohman
314bf7cbbf Revert 102135, 102129, 102127, 102106, 102104, 102102, 102012, 102004, 
because 102004 causes codegen to emit invalid assembly on at least
x86_64-unknown-gnu-linux.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 01:18:53 +00:00
Chris Lattner
093eed15ae reject invalid comma stuff with a message. We reject the case in 
PR6888 with:

$ llvm-as t.ll
llvm-as: t.ll:2:29: error: expected metadata or 'align'
 store <3 x i32> %x, i32 1, i32 1>, <3 x i32>* %p
                            ^

instead of:

$ llvm-as t.ll 
llvm-as: 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 00:50:50 +00:00
Chris Lattner
62cc838b90 disable my previous inliner patch, it appears to be busting self-host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 00:41:03 +00:00
Chris Lattner
fe9af3b1f7 The inliner was choosing to not consider call sites 
that appear in the SCC as a result of inlining as candidates
for inlining.  Change this so that it *does* consider call 
sites that change from being indirect to being direct as a
result of inlining.  This allows it to completely 
"devirtualize" the testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 23:37:35 +00:00
Jim Grosbach
3a1287b470 Update ARM DAGtoDAG for matching UBFX instruction for unsigned bitfield 
extraction. This fixes PR5998.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 23:24:18 +00:00
Chris Lattner
60915146f4 refactor the interface to InlineFunction so that most of the in/out 
arguments are handled with a new InlineFunctionInfo class.  This 
makes it easier to extend InlineFunction to return more info in the
future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 23:07:58 +00:00
Chris Lattner
b957a5e41e when inlining something like this: 
define void @f3(void (i8*)* %__f) ssp {
entry:
  call void %__f(i8* undef)
  unreachable
}

define void @f4(i8* %this) ssp align 2 {
entry:
  call void @f3(void (i8*)* @f2) ssp
  ret void
}

The inliner is turning the indirect call to %__f into a direct
call to F2.  Make the call graph more precise when this happens.

The inliner doesn't revisit call sites introduced by inlining,
so there isn't an easy way to test for this, but a more precise
callgraph is a good thing.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 21:31:00 +00:00
Devang Patel
c04d54527e Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:56:35 +00:00
Dan Gohman
c105a2b5b7 Sink SelectionDAGBuilder's HandlePHINodesInSuccessorBlocks down 
into SelectionDAGBuilder itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:55:53 +00:00
Devang Patel
18ee3bb0b7 Adjust debug range offsets for isWeakForLinker() functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:52:00 +00:00
Dan Gohman
f81eca0ab9 Move HandlePHINodesInSuccessorBlocks functions out of SelectionDAGISel 
and into SelectionDAGBuilder and FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102123 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:46:50 +00:00
Chris Lattner
b61789d4dd add a DEBUG call so that -debug lists when CGSCCPM iterates. 
Fix RefreshCallGraph to use CGN->replaceCallEdge instead of hand
rolling its own loop.  replaceCallEdge properly maintains the
reference counts of the nodes, fixing a crash exposed by the
iterative callgraph stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:42:33 +00:00
Chris Lattner
f8b99cb03b eliminate dead #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:41:10 +00:00
Evan Cheng
07c4e1085d - It's not safe to promote rotates (at least not trivially). 
- Some code refactoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:19:46 +00:00
Dan Gohman
3b172f1c01 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 20:06:42 +00:00
Dan Gohman
620427d5a1 Move PHINodesToUpdate out of SelectionDAGBuilder and into 
FunctionLoweringInfo, as it isn't SelectionDAG-specific. This isn't
completely natural, as PHI node state is not per-function but rather
per-basic-block, however there's currently no other convenient
per-basic-block state to group it with.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 19:55:20 +00:00
Devang Patel
f1dabde404 Rename InsnAfterLabelMap and InsnBeforeLabelMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:43:35 +00:00
Devang Patel
3547a88b50 Keep track of MCSymbol used to mark beginning of a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:39:21 +00:00
Devang Patel
bc655eaee0 At this point Start and End are not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 18:28:58 +00:00
Dan Gohman
ddb3eafc32 Don't attempt to analyze values which are obviously undef. This fixes some 
assertion failures in extreme cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 01:35:11 +00:00
Dan Gohman
0883355976 Tidy a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-22 01:30:05 +00:00
Jakob Stoklund Olesen
a063e19593 Run LiveVariables instead of computing liveness locally in -regalloc=fast. 
This actually makes everything slower, but the plan is to have isel add <kill>
flags the way it is already adding <dead> flags. Then LiveVariables can be
removed again.

When ignoring the time spent in LiveVariables, -regalloc=fast is now twice as
fast as -regalloc=local.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 23:18:07 +00:00
Evan Cheng
e3dd8550c6 Do not try to optimize a copy that has already been marked for deletion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 20:57:54 +00:00
Devang Patel
708e474c2f Add command line option to disable debug info printing in .s file. This option does not impact debug info generation and preservation through earlier compile starges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102012 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 19:08:53 +00:00
Bob Wilson
b913863a95 Fix a performance problem with the new SSAUpdater. This showed up in the 
GCCAS time for MultiSource/Benchmarks/ASCI_Purple/SMG2000.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:39:03 +00:00
Johnny Chen
c048f1d12c Modified some assert() msg strings; no other functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:37:48 +00:00
Jakob Stoklund Olesen
00207237dd Add fast register allocator, enabled with -regalloc=fast. 
So far this is just a clone of -regalloc=local that has been lobotomized to run
25% faster. It drops the least-recently-used calculations, and is just plain
stupid when it runs out of registers.

The plan is to make this go even faster for -O0 by taking advantage of the short
live intervals in unoptimized code. It should not be necessary to calculate
liveness when most virtual registers are killed 2-3 instructions after they are
born.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 18:02:42 +00:00
Devang Patel
9cdb4109d5 Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102004 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 16:32:19 +00:00
Dan Gohman
a560fd28c0 Make ScalarEvolution::getConstant support pointer types, for consistency 
with ScalarEvolution's overall approach to pointer types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 16:04:04 +00:00
Evan Cheng
e566763b19 Implement -disable-non-leaf-fp-elim which disable frame pointer elimination 
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 03:18:23 +00:00
Evan Cheng
5528e7bcb1 isel (i32 anyext i16) as insert_subreg when 16-bit ops are being promoted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:47:12 +00:00
Evan Cheng
fe5dcbc27d Trim include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:39:06 +00:00
Dan Gohman
f0757b0edc Add more const qualifiers on TargetMachine and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:34:56 +00:00
Dan Gohman
af5097537c Update CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:32:29 +00:00
Dan Gohman
5eb6d65a27 Move several SelectionDAG-independent utility functions out of the 
SelectionDAG directory and into a new Analysis.cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:22:34 +00:00
Johnny Chen
52d2b0ed00 Thumb instructions which have reglist operands at the end and predicate operands 
before reglist were not properly handled with respect to IT Block.  Fix that by
creating a new method ARMBasicMCBuilder::DoPredicateOperands() used by those
instructions for disassembly.  Add a test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:01:19 +00:00
Chris Lattner
08e322db8a Implement (but don't enable) PR6724 and rdar://6295824. In short, 
we have RefreshCallGraph detect when a function pass devirtualizes
a call, and have CGSCCPassMgr iterate (up to a count) when this 
happens.  This allows (in the example) GVN to devirtualize the 
call in foo, then the inliner to inline it away.

This is not currently enabled because I haven't done any analysis
on the (potentially substantial) code size or performance impact of
doing this, and guess what, it exposes callgraph updating bugs in
various passes.  This is progress though, and you can play with it
by passing -max-cg-scc-iterations=5 to opt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:47:40 +00:00
Evan Cheng
30fdb5c2ac - Clean up some crappy code which deals with coalescing of copies which look at 
extract_subreg / insert_subreg, etc.
- Add support for more aggressive insert_subreg coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:44:22 +00:00
Dan Gohman
d217cfcf46 Revert r101471. For tight recursive functions which have multiple 
recursive callsites, inlining can reduce the number of calls by
exponential factors, as it does in
MultiSource/Benchmarks/Olden/treeadd. More involved heuristics
will be needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:43:30 +00:00
Bill Wendling
a040fffefb Handle a displacement location in 64-bit as an RIP-relative displacement. It 
fixes a bug (<rdar://problem/7880900>) in the JIT. This code wouldn't work:

target triple = "x86_64-apple-darwin"

define double @func(double %a) {
  %tmp1 = fmul double %a, 5.000000e-01            ; <double> [#uses=1]
  ret double %tmp1
}

define i32 @main() nounwind {
  %1 = call double @func(double 4.770000e-04) ; <i64> [#uses=0]
  ret i32 0
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101965 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:34:04 +00:00
Evan Cheng
3115698611 Rewrite machine cse to avoid recursion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101964 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:21:07 +00:00
Dan Gohman
bc7588eb68 Add another variant of this test which found a place where 
CodeGen's ComputeMaskedBits was being over-conservative when computing
bits for an ADD.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101963 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:19:28 +00:00
Chris Lattner
d6139425f5 teach the x86 address matching stuff to handle 
(shl (or x,c), 3) the same as (shl (add x, c), 3)
when x doesn't have any bits from c set.

This finishes off PR1135.  Before we compiled the block to:
to:

LBB0_3:                                 ## %bb
	cmpb	$4, %dl
	sete	%dl
	addb	%dl, %cl
	movb	%cl, %dl
	shlb	$2, %dl
	addb	%r8b, %dl
	shlb	$2, %dl
	movzbl	%dl, %edx
	movl	%esi, (%rdi,%rdx,4)
	leaq	2(%rdx), %r9
	movl	%esi, (%rdi,%r9,4)
	leaq	1(%rdx), %r9
	movl	%esi, (%rdi,%r9,4)
	addq	$3, %rdx
	movl	%esi, (%rdi,%rdx,4)
	incb	%r8b
	decb	%al
	movb	%r8b, %dl
	jne	LBB0_1

Now we produce:

LBB0_3:                                 ## %bb
	cmpb	$4, %dl
	sete	%dl
	addb	%dl, %cl
	movb	%cl, %dl
	shlb	$2, %dl
	addb	%r8b, %dl
	shlb	$2, %dl
	movzbl	%dl, %edx
	movl	%esi, (%rdi,%rdx,4)
	movl	%esi, 8(%rdi,%rdx,4)
	movl	%esi, 4(%rdi,%rdx,4)
	movl	%esi, 12(%rdi,%rdx,4)
	incb	%r8b
	decb	%al
	movb	%r8b, %dl
	jne	LBB0_1



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101958 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 23:18:40 +00:00
Dale Johannesen
7609017dc3 Because of the EMMS problem, right now we have to support 
user-defined operations that use MMX register types, but
the compiler shouldn't generate them on its own.  This adds
a Synthesizable abstraction to represent this, and changes
the vector widening computation so it won't produce MMX types.
(The motivation is to remove noise from the ABI compatibility
part of the gcc test suite, which has some breakage right now.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 22:34:09 +00:00
Devang Patel
3943084136 Rename ValueMapTy as ValueToValueMapTy to clearly indicate that this has no replationship with ADT/ValueMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 22:24:18 +00:00
Devang Patel
cd9b492451 There is no need to install ValueMapper.h header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 22:18:31 +00:00
Johnny Chen
d6b5d72c0f Better error-handling of getBitFieldInvMask() where msb < lsb (encoding error), 
instead of just asserting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101942 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 21:29:28 +00:00
Jakob Stoklund Olesen
9196ab6405 When MachineLICM is hoisting a physical register after regalloc, make sure the 
register is not killed in the loop.

This fixes 188.ammp on ARM where the post-ra scheduler would grab a register
that looked available but wasn't.

A testcase would be huge and fragile, sorry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101930 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 18:45:47 +00:00
Johnny Chen
ef37e3abb7 For t2LDRT, t2LDRBT, t2LDRHT, t2LDRSBT, and t2LDRSHT, if Rn(Inst{19-16})=='1111', 
transform the Opcode to the corresponding t2LDR*pci counterpart.

Ref: A8.6.86 LDRT, A8.6.65 LDRBT, A8.6.77 LDRHT, A8.6.81 LDRSBT, A8.6.85 LDRSHT


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 17:28:50 +00:00
Evan Cheng
d6060a4ce9 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 17:27:38 +00:00
Dan Gohman
92884f7ee5 Sink the CopyToExportRegsIfNeeded calls out of SelectionDAGISel 
into SelectionDAGBuilder. This avoids a separate pass over the
instructions, and has the side effect of providing debug location
information to the copy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 15:03:56 +00:00
Dan Gohman
ba5be5c07b Don't send PHI nodes down to SelectionDAGBuilder of FastISel, since 
they end up doing nothing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 15:00:41 +00:00
Dan Gohman
d84e806dd4 Sink this use_empty() check into isUsedOutsideOfDefiningBlock. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 14:50:13 +00:00
Dan Gohman
c025c85352 If a PHI node somehow has debug info, propogate it to the MachineInstr PHI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101901 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 14:48:02 +00:00
Dan Gohman
3f1403f14e Don't iterate through the whole block just to find the PHI nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101900 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 14:46:25 +00:00
Gabor Greif
a9b2313c13 use abstract accessors to CallInst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101899 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 13:13:04 +00:00
Benjamin Kramer
eb1f4b1899 PR6880: Don't dereference CallsExternalNode if it's NULL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 12:16:50 +00:00
Chris Lattner
44e05080f8 Bill's change in r95336 broke empty aggregates embedded 
in other types.  fix this by only bumping zero-byte globals
up to a single byte if the *entire global* is zero size,
fixing PR6340.

This also fixes empty arrays etc to be handled correctly,
and only does this on subsection-via-symbols targets (aka
darwin) which is the only place where this matters.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101879 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 06:20:21 +00:00
Chris Lattner
aa2776e934 teach cellspu how to return i8 and i16 from calls, 
patch by Kalle Raiskila!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 05:36:09 +00:00
Chris Lattner
4f1f6f6342 remove a bunch of ad-hoc code to simplify instructions from 
loop unswitch, and use inst simplify instead.  It is more
powerful and less duplication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101874 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 05:33:18 +00:00
Chris Lattner
047542669a move some select simplifications out out instcombine into 
inst simplify.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101873 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 05:32:14 +00:00
Chris Lattner
a78130c320 RewriteLoopBodyWithConditionConstant can end up rewriting the 
condition we're unswitching on.  In this case, don't try to
simplify the second copy of the loop which may be dead or not,
but is probably a constant now.  This fixes PR6879


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101870 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 05:09:16 +00:00
Chris Lattner
f1cfb95337 reapply 'reject forward references to functions whose type don't match' 
now that the testsuite has been updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101866 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 04:49:11 +00:00
Dan Gohman
8b1dbebc1e Delete a redundant return statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 01:58:20 +00:00
Bill Wendling
86c5abb4c0 The visitXOR method can return the same SDNode. If so, we don't want to delete 
it as it's not dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 01:25:01 +00:00
Chris Lattner
d7aba875c1 disable optimizations in this directory for MSVC9. This avoids 
an optimizer infinite loop on the file, PR6866.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 01:11:32 +00:00
Johnny Chen
3974ade503 Better error-handling for DisassembleThumb2DPModImm() with 2-reg operands where 
d==15 is considered illegal.  Return false instead of assert().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101852 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 01:01:57 +00:00
Eric Christopher
6d972fd087 Remove the palignr intrinsics now that we lower them to vector shuffles, 
shifts and null vectors. Autoupgrade these to what we'd lower them to.

Add a testcase to exercise this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101851 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:59:54 +00:00
Dan Gohman
a9056dbec1 Remove this debug output; it isn't that useful, and it's incomplete 
in the case where a basic block is split.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:56:44 +00:00
Dan Gohman
8ba3aa7f9c Sink DebugLoc handling out of SelectionDAGISel into FastISel and 
SelectionDAGBuilder, where it doesn't have to be as complicated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:48:35 +00:00
Chris Lattner
8a39ed75ec make CallGraphNode dtor abort if a node is deleted when there are still 
references to it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:47:34 +00:00
Chris Lattner
4471136e4d make the inliner do less work for leaf functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:47:08 +00:00
Chris Lattner
eae220259f Fix rdar://7879828 - crash in CallGraph, a self host issue. 
Arg promotion was deleting call graph nodes that still had references
from the 'indirect' CGN.  Like the inliner, it should only delete the
function if all references are gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:46:50 +00:00
Dan Gohman
084751cd16 Remove MachineFunction's DefaultDebugLoc member, and make DwarfDebug.cpp 
responsible for figuring out what that's supposed to be on its own.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:37:27 +00:00
Dan Gohman
a9a3321938 Reapply the removal of SelectionDAGISel's BB, with a fix for the case 
where multiple blocks are emitted; functions which do this need to return
the new BB so that their callers can stay current.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:29:35 +00:00
Johnny Chen
6bcf52f00a More IT instruction error-handling improvements from fuzzing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:15:41 +00:00
Dan Gohman
68b7960c1a Revert 101825, which is causing trouble. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101832 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 23:34:15 +00:00
Dan Gohman
66db3a0f10 Make BreakAntiDependencies' SUnits argument const, and make the Begin 
and End arguments by-value rather than by-reference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 23:11:58 +00:00
Johnny Chen
d0f3c46d16 Better error handling of invalid IT mask '0000', instead of just asserting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101827 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 23:02:58 +00:00
Dan Gohman
35bb85b7ee Eliminate SelectionDAGISel's "current block" member. Just pass it as 
an argument to things that need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101825 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 22:51:14 +00:00
Dan Gohman
1f65453d0a Delete an unnecessary reference to SelectionDAGISel::BB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 22:48:45 +00:00
Dan Gohman
99be8ae389 Eliminate the CurMBB member from SelectionDAGBuilder. For places that 
need it, just pass around the parent block of the current instruction
explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 22:41:47 +00:00
Dan Gohman
c056454ecf Remove the Expr member from IVUsers. Instead of remembering the expression, 
just ask ScalarEvolution for it on demand. This helps IVUsers be more robust
in the case of expressions changing underneath it. This fixes PR6862.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 21:48:58 +00:00
Johnny Chen
22e401f5d4 According to A8.6.16 B (Encoding T3) and A8.3 Conditional execution -- A8.3.1 
Pseudocode details of conditional, Condition bits '111x' indicate the
instruction is always executed.  That is, '1111' is a leagl condition field
value, which is now mapped to ARMCC::AL.

Also add a test case for condition field '1111'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 21:19:52 +00:00
Devang Patel
e9afbfe664 Fix typo. add a test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 20:31:39 +00:00
Evan Cheng
4c26e93e89 More progress on promoting i16 operations to i32 for x86. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:29:22 +00:00
Dan Gohman
50d2b1ac02 Give SelectionDAG a TargetMachine too, rather than having it 
fetch one from the MachineFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:22:07 +00:00
Evan Cheng
285fb1cc4a More 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:17:44 +00:00
Devang Patel
2a4a3b7c61 Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:14:02 +00:00
Dan Gohman
55e59c1863 Code that needs a TargetMachine should have access to one directly, rather 
than just getting one through a TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:05:59 +00:00
Dan Gohman
46007b3712 Move isInTailCallPosition out of SelectionDAGBuilder, as it isn't 
SelectionDAG-specific.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 18:41:46 +00:00
Dan Gohman
023f8aaa16 This doesn't need SmallVector.h anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101790 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 17:51:31 +00:00
Johnny Chen
d6cc53cfe4 Better error-handling for DisassembleThumb2DPSoReg() where the 3-reg operand 
instructions should have Rd (Inst{11-8}) != 0b1111.

Ref: A6.3 32-bit Thumb instruction encoding
     A6.3.11 Data-processing (shifted register)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 17:16:40 +00:00
Dan Gohman
17192a1dd8 Fix this for std::vectors which don't have .data(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101785 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 16:33:28 +00:00
Johnny Chen
4b7df442a8 ARM disassembler did not react to recent changes to the NEON instruction table. 
VLD1q*_UPD and VST1q*_UPD have the ${dst:dregpair} operand now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 16:20:34 +00:00
Benjamin Kramer
9d44e70272 Don't write into MemoryBuffers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 16:15:31 +00:00
Dan Gohman
985744ecc6 Fix -Wcast-qual warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101782 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:55:10 +00:00
Dan Gohman
72bdd4ca07 Revert 91528 and use a std::vector instead, fixing an abuse of std::string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:54:44 +00:00
Dan Gohman
dfd4bbfdfb Fix -Wcast-qual warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:42:05 +00:00
Anton Korobeynikov
d456a47dd3 Add missed part of prev. commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 20:41:42 +00:00
Anton Korobeynikov
928eb49cae Make processor FUs unique for given itinerary. This extends the limit of 32 
FU per CPU arch to 32 per intinerary allowing precise modelling of quite
complex pipelines in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 20:31:01 +00:00
Chris Lattner
d65077a509 avoid temporary std::string in non posix_spawn path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101723 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 17:34:10 +00:00
Benjamin Kramer
d7aef9b440 Eliminate temporary string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 09:19:41 +00:00
Benjamin Kramer
bceaffc7cc Properly inherit the environment on darwin where environ is not available for shared libraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 09:16:04 +00:00
Nick Lewycky
6523803203 This is horrible. Split the difference, and declare 'environ' on all non-Darwin 
platforms to unbreak the darwin and linux builds. The BSD folks should feel
free to change the #if, if this breaks them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 07:07:48 +00:00
Nick Lewycky
1a3eb953cc Revert r101701, Darwin doesn't have 'environ'. Go figure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 06:44:21 +00:00
Nick Lewycky
b7dfca9778 Fix linux build. posix_spawn doesn't inherit the environment by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101701 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 06:22:26 +00:00
Chris Lattner
4f098b68a5 make Program::Execute use posix_spawn on systems that support it, 
as it is more efficient than fork/exec.

Thanks to Eric for adding the autoconf check.  It would be nice if
a cmake guru could add a cmake check for posix_spawn as well.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101693 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 04:14:37 +00:00
Chris Lattner
459e13a9ce reduce indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 03:35:23 +00:00
Chris Lattner
b221ecbc62 unnest from namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 03:33:55 +00:00
Bill Wendling
091fc4b556 Don't rely upon the MCSymbol "isDefined" method to indicate if a label has been 
emitted or not. The JIT doesn't set that. Look it up in the label location table
instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101686 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 00:56:05 +00:00
Bill Wendling
69c128f19d Formatting changes. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 00:52:08 +00:00
Daniel Dunbar
dd3a87912b Revert "reject forward references to functions whose type don't match", because DJG told me to! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 21:24:55 +00:00
Chris Lattner
77e80deabc reject forward references to functions whose type don't match 
up with the definition (and fix a broken testcase).  PR6491.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101670 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 20:45:56 +00:00
Chris Lattner
34e9d17d1b fix PR6332, allowing an index of zero into a zero sized array 
even if the element of the array has no size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 19:02:33 +00:00
Chris Lattner
eef6d78be1 teach the x86 asm parser how to handle segment prefixes 
in memory operands.  rdar://7874844


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 18:56:34 +00:00
Chris Lattner
7834facff9 refactor .if handling code a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 18:14:27 +00:00
Chris Lattner
f84755b836 fix PR6858: a dangling pointer use bug which was caused 
by switching CachedFunctionInfo from a std::map to a 
ValueMap (which is implemented in terms of a DenseMap).

DenseMap has different iterator invalidation semantics
than std::map.

This should hopefully fix the dragonegg builder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101658 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 17:57:56 +00:00
Chris Lattner
44b04a5f4a a bunch of cleanups and tweaks, no functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 17:55:00 +00:00
Dan Gohman
3fb150a902 Fix -Wcast-qual warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 17:42:52 +00:00
Chris Lattner
89f94926b0 remove a dead variable, PR6856 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 17:28:00 +00:00
Dan Gohman
0d805c33d1 Add const qualifiers to TargetLoweringObjectFile usage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 16:44:48 +00:00
Dan Gohman
82d5eaf23e Use const_cast instead of a C-style cast to cast away const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 16:43:55 +00:00
Dan Gohman
9f23dee08c Start function numbering at 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 16:29:15 +00:00
Dan Gohman
383b5f6b91 Delete now-unnecessary const_casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101637 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 15:32:28 +00:00
Dan Gohman
b6f778a8f6 Use cast instead of dyn_cast when assuming success. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 15:31:16 +00:00
Dan Gohman
d858e90f03 Use const qualifiers with TargetLowering. This eliminates several 
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 15:26:15 +00:00
Dan Gohman
1e93df6f0b Move per-function state out of TargetLowering subclasses and into 
MachineFunctionInfo subclasses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 14:41:14 +00:00
Chandler Carruth
2329d66a9f Name these stub files consistently with the SPU and PPC targets' conventions. 
Also rename the classes appropriately. The CMake build already used these
names.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 08:50:29 +00:00
Chris Lattner
65de1b9eb3 a bunch of ssse3 instructions are misencoded to think they have an 
i8 field when they really do not.  This fixes rdar://7840289


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101629 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:38:24 +00:00
Chris Lattner
ca5e4f8e19 reenable r101565, removing a problematic assertion. 
CGSCC can delete nodes in regions of the callgraph that
have already been visited.  If new CG nodes are allocated
to the same pointer, we shouldn't abort, just handle it
correctly by assigning a new number.  This should restore
stability by removing invalidated pointers that *will* be
reused from the densemap in the iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:17:19 +00:00
Evan Cheng
94d1d9c219 Postra machine licm must add registers defined by loop invariants to *all* of 
the live-in sets of BBs in the loop. Otherwise later pass may end up using the
registers and override the invariant. rdar://7852937
No reasonablly sized test case possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:07:11 +00:00
Evan Cheng
f2b910922d Fix codegen passes. -disable-ssc shouldn't disable postra machine licm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101622 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:47:47 +00:00
Evan Cheng
e5b51ac770 More work to allow dag combiner to promote 16-bit ops to 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:13:15 +00:00
Evan Cheng
4ff28527bb Another 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:12:32 +00:00
Bob Wilson
9f3f061d74 Revise my previous change to ExpandBIT_CONVERT. I hadn't realized that this 
may be called when either the source or destination type is i64, and my
change also hadn't fixed the most obvious problem -- assuming that i64 will
only be bitconverted to f64, ignoring the various vector types.
Radar 7873160.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 05:30:19 +00:00
Bob Wilson
84bd6b0c31 Re-commit my previous SSAUpdater changes. The previous version naively tried 
to determine where to place PHIs by iteratively comparing reaching definitions
at each block.  That was just plain wrong.  This version now computes the
dominator tree within the subset of the CFG where PHIs may need to be placed,
and then places the PHIs in the iterated dominance frontier of each definition.
The rest of the patch is mostly the same, with a few more performance
improvements added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 03:08:24 +00:00
Bob Wilson
8295d4c96c As a temporary workaround for post-RA not handling DebugValue instructions, 
just remove them all.  Radar 7873207 (working around the root problem of
Radar 7759363).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:49:11 +00:00
Jakob Stoklund Olesen
23eaf26fa3 Revert "Use a simpler data structure to calculate the least recently used register in RegAllocLocal." 
This reverts commit 101392. It broke a buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:38:36 +00:00
Chris Lattner
7e3e3252a1 disable r101565: an assert is getting triggered. More lurking badness no doubt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:05:36 +00:00
Chris Lattner
9484689f14 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:52:30 +00:00
Eric Christopher
551754c495 Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:37:20 +00:00
Devang Patel
f2548caaa8 Add support to emit dwarf ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:33:45 +00:00
Jakob Stoklund Olesen
cf7fbd41be Use a simpler data structure to calculate the least recently used register in RegAllocLocal. 
This makes the local register allocator about 20% faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:32:37 +00:00
Johnny Chen
de0ade4939 Cast to (uint64_t) instead of relying on the "ul" suffix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:30:28 +00:00
Chris Lattner
bde0bb5f88 building on the new CallGraphSCC abstraction, teach CallGraphSCCPassManager 
to keep the node entries in scc_iterator up to date instead of dangling as
the SCC mutates.

This is a really terrible problem which was causing -g to affect codegen 
because it would permute the memory image of the compiler process.

Thanks to Dale for expertly hunting it down.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:04:30 +00:00
Dan Gohman
53c5e42ab9 Add skeleton target-specific SelectionDAGInfo files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:04:22 +00:00
Johnny Chen
af5b0e851e Fixed logic error. Should check Builder for validity before calling SetSession 
on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:02:25 +00:00
Chris Lattner
a3dfc646b4 move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd(). 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:59:24 +00:00
Chris Lattner
2decb22222 introduce a new CallGraphSCC class, and pass it around 
to CallGraphSCCPass's instead of passing around a
std::vector<CallGraphNode*>.  No functionality change,
but now we have a much tidier interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:42:17 +00:00
Johnny Chen
c7b65914e0 Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a 
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:40:20 +00:00
Evan Cheng
003d7c4b5d (i32 sext_in_reg (i32 aext (i16 x)), i16) -> (i32 sext x). No known test case until -promote-16bit is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:26:19 +00:00
Chris Lattner
c93760c3e5 move PrintCallGraphPass out of the middle of CGPassManager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:43:55 +00:00
Chris Lattner
aef1fea3d3 add a missing break back, patch by Nico Schmidt! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:15:15 +00:00
Dan Gohman
8c0e89925d Create a new TargetSelectionDAGInfo class. This will eventually acquire 
SelectionDAG-specific parts of TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:12:11 +00:00
Dan Gohman
4bcf0a9233 Commit this, which should have accompanied 101531. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:22:43 +00:00
Dan Gohman
37f32ee7ff Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:11:05 +00:00
Johnny Chen
16fda6982b In the same spirit of r101524, which removed the assert() from printAddrMode2OffsetOperand(), 
this patch removes the assert() from printAddrMode3OffsetOperand() and adds a test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:57:21 +00:00
Johnny Chen
2fb10f17d8 Multiclass LdStCop was using pre-UAL syntax LDC<c>L for the L fragment. Changed 
to the UAL syntax of LDCL<c>, instead.

Add a test case for this change which also tests the removal of assert() from
printAddrMode2OffsetOperand().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:33:23 +00:00
Johnny Chen
d73d187e33 Remove the assert() from printAddrMode2OffsetOperand(). "#0 and #-0" are 
considered legal instructions.

Refs: A8.6.51 LDC, LDC2 (immediate) -- page A8-107, A8.6.58 LDR (immediate, ARM)
-- page A8-121, and A8.6.194 STR (immediate, ARM) -- page A8-395.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101524 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:10:52 +00:00
Evan Cheng
53f6ed9560 80 col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101501 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:58:41 +00:00
Evan Cheng
182465c589 80 col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:57:59 +00:00
Dan Gohman
33b7a291aa Avoid creating virtual registers for unused values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:15:02 +00:00
Dan Gohman
ac7d05c4bf Fix an assertion string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101478 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:55:18 +00:00
Dan Gohman
a44e522b7d Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:52:37 +00:00
Dan Gohman
b391bb8947 Disable inlining of recursive calls. It can complicate tailcallelim and 
dependent analyses, and increase code size, so doing it profitably would
require more complex heuristics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:01:18 +00:00
Dan Gohman
ea25b48af3 Refine the detection of seemingly infinitely recursive calls where the 
callee is expected to be expanded to something else by codegen, so that
normal infinitely recursive calls are still transformed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:57:50 +00:00
Gabor Greif
4ec2258ffb reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:33:14 +00:00
Dan Gohman
52d55bd224 Make callIsSmall accessible as a utility function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:14:50 +00:00
Dan Gohman
a5145c8d5a Fix SCEVCommutativeExpr::print to be robust in the case of improper 
expression canonicalization. Its job is to print what's there, not to
make judgements about it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:03:25 +00:00
Bill Wendling
47639fc5be The JIT calls TidyLandingPads to tidy up the landing pads. However, because the 
JIT doesn't use the MC back-end asm printer to emit labels that it uses, the
section for the MCSymbol is never set. And thus the MCSymbol for the EH label
isn't marked as "defined". Because of that, TidyLandingPads removes the needed
landing pads from the JIT output. This breaks EH for every JIT program.

This is a work-around for this limitation. We pass in the label locations
map. If the label has a non-zero value, then it was "emitted" by the JIT and
TidyLandingPads shouldn't remove that label.

A nicer solution would be to mark the MCSymbol as "used" by the JIT and not rely
upon the section being set to determine if it's defined or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 08:46:10 +00:00
Evan Cheng
64b7bf71e8 Adding support for dag combiner to promote operations for profit. This requires target specific queries. For example, x86 should promote i16 to i32 when it does not impact load folding. 
x86 support is off by default. It can be enabled with -promote-16bit.

Work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 06:14:10 +00:00
Evan Cheng
47b7b9f228 Use getAL() rather than a major constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 05:46:06 +00:00
Dan Gohman
f89d1dc9b7 Refine further the scope where the global DebugLoc value is active. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 05:06:56 +00:00
Eric Christopher
107ae0ad8b Silence an unused variable warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101438 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 04:02:04 +00:00
Chris Lattner
a0bada729f fix comment noticed by Bob 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 02:32:17 +00:00
Gabor Greif
607a7ab3da back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 01:16:20 +00:00
Chris Lattner
d55c1c1659 fix PR6832: we were using the alignment of a pointer when we 
wanted the alignment of the pointee.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 01:05:38 +00:00
Chris Lattner
a001b66498 improve comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:38:19 +00:00
Chris Lattner
4cc576bc5e pull all the ConvertToScalarInfo code together into one 
place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101427 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:24:57 +00:00
Chris Lattner
593375d04a more refactoring: suck some stuff out of SRoA into 
ConvertToScalarInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101425 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:20:00 +00:00
Gabor Greif
8db3f2c2ab shift intrinsic operand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101423 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 00:06:45 +00:00
Chris Lattner
c447207264 introduce a new ConvertToScalarInfo struct to simplify 
CanConvertToScalar/MergeInType.  Eliminate a pointless
LLVMContext argument to MergeInType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 23:50:26 +00:00
Jakob Stoklund Olesen
626f3d7a57 Avoid sinking machine instructions into a loop. 
MachineLoopInfo is already available when MachineSinking runs, so the check is
free.

There is no test case because it would require a critical edge into a loop, and
CodeGenPrepare splits those. This check is just to be extra careful.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101420 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 23:41:02 +00:00
Johnny Chen
1cfa094562 Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, not 
am2offset.  Modified the instruction table entry and added a new test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 23:12:47 +00:00
Evan Cheng
3a1588a2e3 Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle is doing the right thing and codegen looks correct for both Thumb and Thumb2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 22:20:34 +00:00
Chris Lattner
31d80103d5 tidy interface to isOnlyCopiedFromConstantGlobal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 21:59:20 +00:00
Gabor Greif
2ff961f668 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 20:51:13 +00:00
Jakob Stoklund Olesen
5ef9d76f6f Fix PR6847. RegScavenger should ignore DebugValues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 20:28:39 +00:00
Nicolas Geoffray
8538f0496a Make sure the initialization of a GC root is after its definition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 19:53:35 +00:00
Anton Korobeynikov
764f62ba60 Revert r100896 and around - this breaks the only mingw32 buildbot we have. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 19:51:42 +00:00
Gabor Greif
8cf16167a0 prune includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 19:44:21 +00:00
Evan Cheng
0ea7d219ec ARM SelectDYN_ALLOC should emit a copy from SP rather than referencing SP directly. In cases where there are two dyn_alloc in the same BB it would have caused the old SP value to be reused and badness ensues. rdar://7493908 
llvm is generating poor code for dynamic alloca, I'll fix that later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 18:42:28 +00:00
Johnny Chen
c8866980fe DEBUG() print out "Unknown format" msg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 18:13:51 +00:00
Dan Gohman
8c407d4596 ReuseFrameIndexVals is used in multiple files, so it can't be static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 17:34:58 +00:00
Dan Gohman
82bcd23693 EnablePPC64RS and EnablePPC32RS are used in multiple files, so they 
can't be static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 17:20:57 +00:00
Dan Gohman
b35798347e Fix a bunch of namespace polution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 17:08:50 +00:00
Dan Gohman
098406b42c Fix namespace polution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101375 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 16:23:27 +00:00
Dan Gohman
005752bbe7 Make getPredecessorWithUniqueSuccessorForBB return the unique successor 
in addition to the predecessor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101374 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 16:19:08 +00:00
Gabor Greif
3181c50534 typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 15:14:46 +00:00
Gabor Greif
9ee1720811 back out r101364, as it trips the linux nightlybot on some clang C++ tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 12:46:56 +00:00
Gabor Greif
165dac08d1 rotate CallInst operands, i.e. move callee to the back 
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 10:49:53 +00:00
Chris Lattner
e6987587d6 enhance the load/store narrowing optimization to handle a 
tokenfactor in between the load/store.  This allows us to 
optimize test7 into:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	(%rdx), %eax
                                        ## kill: SIL<def> ESI<kill>
	movb	%sil, 5(%rdi)
	ret

instead of:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	4(%esp), %ecx
	movl	$-65281, %eax           ## imm = 0xFFFFFFFFFFFF00FF
	andl	4(%ecx), %eax
	movzbl	8(%esp), %edx
	shll	$8, %edx
	addl	%eax, %edx
	movl	12(%esp), %eax
	movl	(%eax), %eax
	movl	%edx, 4(%ecx)
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101355 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 06:10:49 +00:00
Chris Lattner
6dc868581b teach codegen to turn trunc(zextload) into load when possible. 
This doesn't occur much at all, it only seems to formed in the case
when the trunc optimization kicks in due to phase ordering.  In that
case it is saves a few bytes on x86-32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 05:40:59 +00:00
Chris Lattner
efcddc3325 add a simple dag combine to replace trivial shl+lshr with 
and.  This happens with the store->load narrowing stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 05:28:43 +00:00
Chris Lattner
2392ae7d73 Implement rdar://7860110 (also in target/readme.txt) narrowing 
a load/or/and/store sequence into a narrower store when it is
safe.  Daniel tells me that clang will start producing this sort
of thing with bitfields, and this does  trigger a few dozen times
on 176.gcc produced by llvm-gcc even now.

This compiles code like CodeGen/X86/2009-05-28-DAGCombineCrash.ll 
into:

        movl    %eax, 36(%rdi)

instead of:

        movl    $4294967295, %eax       ## imm = 0xFFFFFFFF
        andq    32(%rdi), %rax
        shlq    $32, %rcx
        addq    %rax, %rcx
        movq    %rcx, 32(%rdi)

and each of the testcases into a single store.  Each of them used
to compile into craziness like this:

_test4:
	movl	$65535, %eax            ## imm = 0xFFFF
	andl	(%rdi), %eax
	shll	$16, %esi
	addl	%eax, %esi
	movl	%esi, (%rdi)
	ret




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 04:48:01 +00:00
Dan Gohman
ae541aad5c Add more const qualifiers for LLVM IR pointers in CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 04:33:49 +00:00
Anders Carlsson
0dbdca5a85 Fix build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101335 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 03:11:28 +00:00
Dan Gohman
46510a73e9 Add const qualifiers to CodeGen's use of LLVM IR constructs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:51:59 +00:00
Eric Christopher
cff6f85454 Allow lowering for palignr instructions for mmx sized vectors. Add 
patterns to handle the lowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101331 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:40:20 +00:00
Evan Cheng
adf979900c More 80 violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101330 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:25:27 +00:00
Johnny Chen
44398693e7 Wrap the error msgs in DEBUG() macro so that they won't appear in NDEBUG build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:20:56 +00:00
Evan Cheng
22d286b218 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:01:55 +00:00
Devang Patel
f8a2e01fc7 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 00:02:49 +00:00
Devang Patel
d33402629e There is no need to track compile unit offsets if there is only one compile unit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 23:56:24 +00:00
Devang Patel
7a996b2b05 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 23:54:13 +00:00
Tobias Grosser
a76b334d44 IPO needs ScalarOpts and InstCombine in its libs 
The commit "Adding IPSCCP and Internalize passes to the C-bindings" introduced
new dependencies for IPO. Add these to the CMAKE build as otherwise the
BUILD_SHARED_LIBS=1 build fails.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101313 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 23:42:23 +00:00
Johnny Chen
d1ec11a850 Fixed another assert exposed by fuzzing. Now, the DisassembleVFPLdStMulFrm() 
function checks whether we have a valid submode for VLDM/VSTM (must be either
"ia" or "db") before calling ARM_AM::getAM5Opc(AMSubMode, unsigned char).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:37:17 +00:00
Jim Grosbach
e7b52526d3 Add -arm-long-calls option to force calls to be indirect. This makes the 
kernel linker happier when dealing with kexts.

Radar 7805069



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:28:31 +00:00
Dan Gohman
0a60fa3321 Constify GetConstantStringInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101298 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:20:45 +00:00
Nicolas Geoffray
4eb373988e Don't use DILocation when processing a DebugLoc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:06:37 +00:00
Johnny Chen
2fd100a4cb For t2BFI disassembly, apply the same error checking as in r101205. 
Change the error msg to read "Encoding error: msb < lsb".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:04:45 +00:00
Dan Gohman
7ad3b2a3f0 Move a bunch of methods from CallSite to CallSiteBase, so that they can 
be used in ImmutableCallSite too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 21:47:32 +00:00
Johnny Chen
d907d2566a Fixed another assert exposed by fuzzing. The utility function getRegisterEnum() 
was asserting because the (RegClass, RegNum) combination doesn't make sense from
an encoding point of view.

Since getRegisterEnum() is used all over the place, to change the code to check
for encoding error after each call would not only bloat the code, but also make
it less readable.  An Err flag is added to the ARMBasicMCBuilder where a client
can set a non-zero value to indicate some kind of error condition while building
up the MCInst.  ARMBasicMCBuilder::BuildIt() checks this flag and returns false
if a non-zero value is detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101290 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 21:03:13 +00:00
Evan Cheng
86cd445645 - Code clean up to reduce indentation. 
- TryToOptimizeStoreOfMallocToGlobal should check if TargetData is available and bail out if it is not. The transformations being done requires TD.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:52:55 +00:00
Bob Wilson
164cd8b8d3 Don't custom lower bit converts to ARM VMOVDRRD or VMOVDRR when the operand 
does not have a legal type.  The legalizer does not know how to handle those
nodes.  Radar 7854640.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101282 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:45:23 +00:00
Dan Gohman
6465265ae1 Delete unneeeded arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:17:22 +00:00
Dan Gohman
6a732b5a66 Delete unused arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101275 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:05:00 +00:00
Dan Gohman
2520864773 Factor out EH landing pad code into a separate function, and constify 
a bunch of stuff to support it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101273 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 19:53:31 +00:00
Dan Gohman
7f6b8b8891 Reset the debug location even if the instruction was a terminator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 19:30:02 +00:00
Dan Gohman
11609451a5 Refine #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:49:17 +00:00
Dan Gohman
fe85e76473 Pull utility routines with no SelectionDAG dependence out of 
SelectionDAGBuilder. FunctionLoweringInfo isn't an ideal place for
them to live, but it's better than SelectionDAGBuilder for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:31:02 +00:00
Dan Gohman
b02b62a271 Fix typos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101266 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:24:06 +00:00
Gabor Greif
6ed58e0d16 performance: cache the dereferenced use_iterator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:13:29 +00:00
Dan Gohman
988099700a Delete an obsolete comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:40:25 +00:00
Dan Gohman
c21a2dc8df Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:22:02 +00:00
Dan Gohman
5dc44335b1 Clear the FunctionLoweringInfo object before doing other things that 
don't need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:13:16 +00:00
Dan Gohman
0e026729ae Move this assert out of SelectionDAGISel into FunctionLoweringInfo, and 
drop the redundant #ifndef NDEBUG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:11:23 +00:00
Dan Gohman
046fe6b6ba Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:09:37 +00:00
Dan Gohman
b13033f61c Move the code for initialing the entry block livein set out of 
SelectionDAGISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:05:00 +00:00
Dan Gohman
c0fb65da04 Reorgnaize this code to be more tidy and readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:02:07 +00:00