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fc54c55296
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6384 Commits

Author SHA1 Message Date
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
Devang Patel
3f7833a273 Emit debug info, only if at least one compile unit is seen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 23:09:42 +00:00
Devang Patel
72b663575f If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit. 
Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 23:05:55 +00:00
Devang Patel
f6bac3e4bd Avoid cast<>, use light weith wrapper directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:58:14 +00:00
Devang Patel
f3ee514419 Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear soon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62114 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:54:42 +00:00
Duncan Sands
ceb4d1aecb Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 20:38:59 +00:00
Devang Patel
ccca7fe6a3 Add DwarfWriter interface to mainipulate source location info. 
( May be this info should be directly handled by the dwarf writer ? )


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62096 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 19:17:34 +00:00
Devang Patel
481ff5be9d Clear debug info at the end of function processing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62092 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 18:48:36 +00:00
Devang Patel
e9bfb0feca There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 18:41:00 +00:00
Evan Cheng
c29a56dedb Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. 
Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 03:19:55 +00:00
Owen Anderson
e1762c9826 More two-address fixes. This gets lua working with join-creation enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 03:10:40 +00:00
Evan Cheng
9aacec1f26 CheckForPhysRegDependency should not return copy cost. It's not used. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-11 08:53:35 +00:00
Devang Patel
9795da5aa8 Reduce initial small vector sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-10 02:42:49 +00:00
Devang Patel
0dc969e1ab Fix thinko. Create parent scope if parent descriptor is *not* null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-10 02:34:18 +00:00
Evan Cheng
5c3c5a4d9c Duplicated node may produce a non-physical register def. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 22:44:02 +00:00
Evan Cheng
84036a77a3 Minor debug output tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 20:42:34 +00:00
Devang Patel
6e7a1617ac Request DwarfWriter. This will be used to handle dbg_* intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 19:11:50 +00:00
Misha Brukman
9b8f542e27 Removed trailing whitespace from Makefiles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-09 16:44:42 +00:00
Devang Patel
eb3fc28914 Convert DwarfWriter into a pass. 
Now Users request DwarfWriter through getAnalysisUsage() instead of creating an instance of DwarfWriter object directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61955 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 23:40:34 +00:00
Dan Gohman
5d5ee80ea8 Delete unnecessary parens around return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 22:19:34 +00:00
Devang Patel
9f8fcfc018 Add DebugInfo based APIs to record source line info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61928 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 17:19:22 +00:00
Misha Brukman
ce07e99dd6 * Moved author attribution to CREDITS.TXT 
* Removed trailing whitespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61927 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 16:40:25 +00:00
Misha Brukman
2a835f947a * Alphabetized #includes 
* Removed trailing whitespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61926 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 15:50:22 +00:00
Devang Patel
2ec78c4a63 Add APIs to record regions and variables. 
Again, shamelessly copied from MMI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61912 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 02:49:34 +00:00
Devang Patel
7a6e5a3531 Add APIs to manage scope using DebugInfo interface. 
This is a shameless copy of similar APIs from MachineModuleInfo. The copy from MMI will be deleted in near future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 02:33:41 +00:00