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6408 Commits

Author SHA1 Message Date
Devang Patel
2d1768ca52 Remove tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 08:05:14 +00:00
Devang Patel
5aac3d3707 Refactor code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 08:01:33 +00:00
Devang Patel
7ab2450674 Assign argument type to appropriate DIE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62412 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 06:57:25 +00:00
Devang Patel
7e55b3a663 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62410 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 06:51:37 +00:00
Devang Patel
2d91d18ba1 Disable composite type debug info for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62406 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 05:05:12 +00:00
Mon P Wang
7ac9cdfc99 Simplify extract element of a scalar to vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-17 00:07:25 +00:00
Dan Gohman
f7119393a9 Instead of adding dependence edges between terminator instructions 
and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.

Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 22:10:20 +00:00
Dan Gohman
49bb50e0b6 If an anti-dependence uses a non-allocatable register, set AntiDepReg 
to 0, to ensure that the subsequent code doesn't try to break the
dependence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 21:57:43 +00:00
Dan Gohman
b6a6164832 Use the getNode() accessor instead of accessing the Node 
member directly, which is private as of r55504.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 21:47:21 +00:00
Dan Gohman
8554449e31 Fix the check for an empty basic block to check for an empty SUnits 
array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 21:37:14 +00:00
Chris Lattner
df874eed56 new nodes should be added to the worklist, not old nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 21:15:56 +00:00
Devang Patel
07354e532b Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62358 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 21:07:53 +00:00
Evan Cheng
e57187cbe3 CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62356 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 20:57:18 +00:00
Devang Patel
99ec3538b8 Use lightweight DebugInfo objects directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62341 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 19:28:14 +00:00
Devang Patel
7103c6a993 Align source code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 18:01:58 +00:00
Dan Gohman
79ce4cea47 Fix a "comparison between signed and unsigned integer expressions" 
warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62327 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 17:55:08 +00:00
Mikhail Glushenkov
2388a588bd Registry.h should not depend on CommandLine.h. 
Split Support/Registry.h into two files so that we have less to
recompile every time CommandLine.h is changed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62312 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 07:02:28 +00:00
Mikhail Glushenkov
5c1799b293 Delete trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62307 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 06:53:46 +00:00
Devang Patel
5be935536f Validate debug info values only if DwarfDebug is initialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 02:15:14 +00:00
Devang Patel
61c6bf37ef Any debug info symbol is only valid if atleast one compile unit is seen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62294 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 01:49:46 +00:00
Dan Gohman
2836c283bb Initial hazard recognizer support in post-pass scheduling. This includes 
a new toy hazard recognizier heuristic which attempts to direct the
scheduler to avoid clumping large groups of loads or stores too densely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 01:33:36 +00:00
Devang Patel
153745cc1f Do not stumble over forward declared struct member. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62288 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-16 00:50:53 +00:00
Devang Patel
cf3a4487c0 Validate dbg_* intrinsics before lowering them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 23:41:32 +00:00
Mon P Wang
fa9c5eac33 Added missing support to widen an operand from a bit convert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62285 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 22:43:38 +00:00
Dan Gohman
fc54c55296 Generalize the HazardRecognizer interface so that it can be used 
to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 22:18:12 +00:00
Dan Gohman
c475c3608a Simplify the MachineLICM pass by having it only traverse outer 
loops, hoisting instructions all the way out in one step rather
than hoisting them one nest level at a time. Also, make a few
other code simplifications. This speeds up MachineLICM
by several fold.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62283 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 22:01:38 +00:00
Rafael Espindola
bb46f52027 Add the private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 20:18:42 +00:00
Devang Patel
f193ff0590 Use lightweight DebugInfo objects directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 19:26:23 +00:00
Dan Gohman
79ce276083 Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph 
and into the ScheduleDAGInstrs class, so that they don't get
destructed and re-constructed for each block. This fixes a
compile-time hot spot in the post-pass scheduler.

To help facilitate this, tidy and do some minor reorganization
in the scheduler constructor functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 19:20:50 +00:00
Devang Patel
0e5200f3fd Use variable's context to identify respective DbgScope. 
Use light weight DebugInfo object directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62269 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 18:25:17 +00:00
Dan Gohman
65b7f27bb7 Make getWidenVectorType const; this file was missed in the 
previous commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62266 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 17:39:39 +00:00
Dan Gohman
e9530ecae4 More consts on TargetLowering references. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 16:58:17 +00:00
Dan Gohman
0d137d7f35 Use const with TargetLowering references in a few more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 16:43:02 +00:00
Gabor Greif
b67e6b3b65 minor refactoring: use a more specific API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62256 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 11:10:44 +00:00
Devang Patel
4548d97399 Do not construct debug scope if RootScope *is* null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-14 01:34:32 +00:00
Devang Patel
bbdc8207d5 Removoe MachineModuleInfo methods (and related DebugInfoDesc class hierarchy) that were used to handle debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 23:54:55 +00:00
Devang Patel
e2051627b8 Keep "has debug info" big in MachineModuleInfo to avoid circular dependency between AsmPrinter and CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 23:02:17 +00:00
Devang Patel
35fe7344ae Undo previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 22:54:57 +00:00
Devang Patel
c48c550e13 Use DwarfWriter to record dbg variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62185 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 21:44:10 +00:00
Devang Patel
bb8c5959c8 Use dwarf writer to decide whether the module has debug info or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 21:25:00 +00:00
Dan Gohman
fd246e5f84 Use assertions to check for conditions that should never happen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62178 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:25:24 +00:00
Dan Gohman
bc0b56732a The list-td and list-tdrr schedulers don't yet support physreg 
scheduling dependencies. Add assertion checks to help catch
this.

It appears the Mips target defaults to list-td, and it has a
regression test that uses a physreg dependence. Such code was
liable to be miscompiled, and now evokes an assertion failure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62177 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:24:13 +00:00
Dan Gohman
a1f50e2c2c Avoid referring to edge D after the Succs or Preds arrays have 
been modified, to avoid trouble in the (unlikely) scenario that
D is a reference to an element in one of those arrays.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 19:08:45 +00:00
Duncan Sands
2ecf88d175 When replacing uses and the same node is reached 
via two paths, process it once not twice, d'oh!
Analysis, testcase and original patch thanks to
Mon Ping Wang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62169 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 15:17:14 +00:00
Duncan Sands
1bec3dd28a Fix some typos. Also, the WidenedVectors map 
was not being cleaned by ExpungeNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 14:42:39 +00:00
Duncan Sands
042fb3199f Correct a comment - this is not a sign extension. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62166 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 14:04:14 +00:00
Evan Cheng
167650d411 Un-tabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 06:08:37 +00:00
Evan Cheng
1d8a76d7d5 FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 03:57:45 +00:00
Devang Patel
83489bb770 Use DebugInfo interface to lower dbg_* intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:35:13 +00:00
Devang Patel
7bb89ed33c Start using DebugInfo API to emit debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:20:51 +00:00