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146 Commits

Author SHA1 Message Date
Devang Patel
94228897e7 Speed Up Pass Manager. 
- Check Immutableness before searching PreservedSet.
- Avoid unnecessary traversal while setting Last User.

llvm-svn: 35028
 2007-03-08 19:05:01 +00:00
Devang Patel
b9e705f09e Keep track of higher level analysis. 
llvm-svn: 34974
 2007-03-06 17:52:53 +00:00
Devang Patel
45343b04b3 Keep track of inherited analysis. For example, if a loop pass does not 
preserve dominator info then it should update parent FPPassManager's
available analysis info to reflect this.

llvm-svn: 34942
 2007-03-06 01:55:46 +00:00
Devang Patel
edbde240be Add preparePassManager() hook. This allows each pass to check whether 
current active pass manager is appropriate or not.

A loop pass may consider current LPPassManager in appropraite if loop
pass is not preserving analysis information that is used by other
passes managed by current LPPassManager. In such situation, loop pass
can pop current LPPassManager from the PMStack using this  hook
and use new LPPassManager for itself.

llvm-svn: 34941
 2007-03-06 01:06:16 +00:00
Devang Patel
79495d839e Current pass manager, not the parent pass manager, assumes the role of 
last user when one of the managed pass uses info provided by parent pass
manager.

This was exposed by LPPassManager work.

llvm-svn: 34936
 2007-03-05 22:57:49 +00:00
Devang Patel
6668a341ae Avoid constructing std::strings unless pass debugging is ON. 
llvm-svn: 34933
 2007-03-05 20:01:30 +00:00
Devang Patel
ca90313b39 Account for time consumed by releaseMemory() properly. 
llvm-svn: 34932
 2007-03-05 18:20:51 +00:00
Jeff Cohen
98c99a3a02 Unbreak VC++ build. 
llvm-svn: 34917
 2007-03-05 00:00:42 +00:00
Devang Patel
89791371ce Make getPassManagerType() const. 
llvm-svn: 34669
 2007-02-27 15:00:39 +00:00
Chris Lattner
dee1492159 temporarily revert Devang's most recent patch, which caused a large 
compile-time regression in LLC.

llvm-svn: 34385
 2007-02-17 23:14:24 +00:00
Devang Patel
953cadacbc Use inverted map to speedup collectLastUses(). 
llvm-svn: 34364
 2007-02-17 03:53:44 +00:00
Devang Patel
a667307d74 Do not drop transferred last uses on the floor. 
Use handleLastUserOverflow().

llvm-svn: 34006
 2007-02-07 19:37:53 +00:00
Devang Patel
a2287f3205 Fix PR1158 
Do not insert Analysis pass, if it is already available.

llvm-svn: 33915
 2007-02-05 19:34:17 +00:00
Devang Patel
f178d112ce cvs commit 
llvm-svn: 33765
 2007-02-01 22:08:25 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Devang Patel
61ccc1c4b0 - Undo previous check-in (i.e. Do not export TimingInfo class through 
PassManagers.h).

- Add StopPassTimer() and StartPassTimer() to expose TimingInfo to
CallGraphPassManager

- Use these two APIs in CalLgraphPassManager to measure timings.

llvm-svn: 33638
 2007-01-29 23:10:37 +00:00
Devang Patel
fa27881c1c Move TimingInfo into PassManagers.h so that other libs can use it. 
llvm-svn: 33626
 2007-01-29 20:06:26 +00:00
Devang Patel
cda3b4d76f Update ModulePass::assignPassManager() to take into account Preferred 
Pass Manager Type.

llvm-svn: 33308
 2007-01-17 21:19:23 +00:00
Devang Patel
b40f9ee72e s/PassDebugging_New/PassDebugging/g 
llvm-svn: 33307
 2007-01-17 20:33:36 +00:00
Devang Patel
866ecabe21 Update assignPassManager() signature to allow selection of preferred 
pass manager type. This allows new FPPassManager to select Call Graph
Pass Manager (if available) as its parent.

llvm-svn: 33306
 2007-01-17 20:30:17 +00:00
Devang Patel
c65137140c Pass manager may require certain analysis. In such cases, initially 
pass manager is last user.

llvm-svn: 33273
 2007-01-16 22:38:10 +00:00
Devang Patel
e3e4fcb70f Undo last check-in. 
Remove setupPassManager() and its use.

llvm-svn: 33270
 2007-01-16 21:43:18 +00:00
Devang Patel
afc2e45d40 Setup pass manager before scheduling required analysis. 
llvm-svn: 33262
 2007-01-16 19:46:09 +00:00
Devang Patel
2d421d58d6 Code refactoring. 
llvm-svn: 33245
 2007-01-16 02:00:38 +00:00
Devang Patel
b61a40bc5a Remove extra white spaces. Fix comments. 
llvm-svn: 33244
 2007-01-15 23:06:56 +00:00
Devang Patel
67c975490d Do not record last users of Pass Manager. 
llvm-svn: 33243
 2007-01-15 20:31:54 +00:00
Devang Patel
347efe4ce7 s/addPassToManager/add/g 
llvm-svn: 33138
 2007-01-12 20:07:16 +00:00
Devang Patel
9afb283500 Move PMTopLevelManager, PMDataManager and FPPassManger classes into 
new PassManagers.h header.

This opens door for implementing CGPassManager in IPA library.

llvm-svn: 33135
 2007-01-12 18:52:44 +00:00
Devang Patel
dc1430cb98 Remove dead code. 
llvm-svn: 33121
 2007-01-12 17:23:48 +00:00
Devang Patel
da5ae651e9 Start using PMStack. Now each pass is responsibe for assinging 
a pass manager for itself.

There is some opportunity to remove some dead code from PassManager.cpp.

llvm-svn: 33087
 2007-01-11 22:15:30 +00:00
Devang Patel
5f5c0486fb Use getPassManagerType() instead of dynamic_cast. 
llvm-svn: 33078
 2007-01-11 19:59:06 +00:00
Devang Patel
e485c421c1 Add PassManagerType enum. 
llvm-svn: 33065
 2007-01-11 01:10:25 +00:00
Devang Patel
a0b4424ed4 Robustify assingPassManager() for Module, Function and Basic Block 
Passes.

Robustify PMStack.push()

Add dump() routine to print PMStack.

llvm-svn: 33062
 2007-01-11 00:19:00 +00:00
Devang Patel
e0b89a869d Add PMStack, a Pass Manager stack. 
Eventually, Top level pass managers  will use this to keep track of
active pass managers. Eass pass will also learn how to find appropriate
manager from these managers stack.

llvm-svn: 33018
 2007-01-08 19:29:38 +00:00
Devang Patel
c1627f6538 1) Remove old AnalysisResolver. 
2) Rename AnalysisResolver_New as AnalysisResolver

llvm-svn: 32938
 2007-01-05 22:47:07 +00:00
Devang Patel
fcddd83bfc Remove old pass manager. 
llvm-svn: 32927
 2007-01-05 20:16:23 +00:00
Devang Patel
b4701a315f At the beginning of run, initialize analyis info availability for _ALL_ 
pass managers. Otherwise, stale available analysis info, from the managers not
yet run, may cause pass manager to take wrong turn.

This fixes CBE test failures reported by nightly tester.

llvm-svn: 32726
 2006-12-21 00:16:50 +00:00
Devang Patel
06a6041a4a Now, there is additional layer, referred in the comment, 
in place to handle this correctly.

llvm-svn: 32684
 2006-12-19 20:12:38 +00:00
Devang Patel
328930d725 s/BasicBlockPassManager/BBPassManager/g 
s/ModulePassManager/MPPassManager/g
s/FunctionPassManagerImpl_New/FunctionPassManagerImpl/g
s/PassManagerImpl_New/PassManagerImpl/g

Introduce FPPassManager to manage function passes and
BBPassManagers.

Now FunctionPassManagerImpl is an implementation class
used by externally visible FunctionPassManager to manage
FPPassManagers.

Module pass manager (MPPassManager) now manages FPPassManagers
and ModulePasses.

llvm-svn: 32679
 2006-12-19 19:46:59 +00:00
Devang Patel
d29f6ec89c Add getNumContainedPasses() and getContainedPass() inteface and use 
it instead of passVectorBegin/End().

llvm-svn: 32620
 2006-12-16 00:56:26 +00:00
Devang Patel
fb82dcf9ee Cosmetic changes, based on Chris's review. 
llvm-svn: 32618
 2006-12-15 22:57:49 +00:00
Devang Patel
a37c63bcd5 Mark dump* routines const routines. 
llvm-svn: 32610
 2006-12-15 20:13:01 +00:00
Devang Patel
f2b927a162 Move PMTopLevelManager and TImingInfo into anon namespace. 
llvm-svn: 32606
 2006-12-15 19:39:30 +00:00
Devang Patel
d3ea9ae6e9 s/ForcedLastUses/TransferLastUses/g 
Register pass has the its last user, otherwise sometimes no one will claim
LastUse.

Handle transferred last uses from child pass manager.

llvm-svn: 32589
 2006-12-15 00:08:26 +00:00
Chris Lattner
8213655f44 random minor typographical changes 
llvm-svn: 32579
 2006-12-14 18:22:14 +00:00
Devang Patel
6a85af195a Add -time-passes support. 
llvm-svn: 32574
 2006-12-14 00:59:42 +00:00
Devang Patel
76ecbc449f Add debug-pass=Details support to print Required and Preserved Set info. 
llvm-svn: 32573
 2006-12-14 00:25:06 +00:00
Devang Patel
740b960858 Add " Made Modification " messages in debug-pass=Executions output. 
llvm-svn: 32572
 2006-12-14 00:08:04 +00:00
Devang Patel
b726becbcd Add debug-pass=Executions support in new pass manager. 
llvm-svn: 32571
 2006-12-13 23:50:44 +00:00
Devang Patel
5a200bf480 Add -pass-debug=Arguments support in new manager. 
llvm-svn: 32567
 2006-12-13 22:10:00 +00:00