Nick Lewycky
ae3d802953
Remove unused LLVMContext.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23 03:29:18 +00:00
Chris Lattner
b2710041fb
teach ipsccp and ipconstprop that a blockaddress doesn't 'take the address' of a function
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in a way that should prevent ip constprop. This allows clang/test/CodeGen/indirect-goto.c
to pass with the new indirect goto lowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85709 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-01 06:11:53 +00:00
Nick Lewycky
f5a86f45e7
Remove includes of Support/Compiler.h that are no longer needed after the
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VISIBILITY_HIDDEN removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:57:41 +00:00
Nick Lewycky
6726b6d75a
Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
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Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:33:48 +00:00
Torok Edwin
c338499525
Constant propagating byval pointer is safe if function is readonly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82700 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 18:33:42 +00:00
Torok Edwin
30a94e3b42
Don't constant propagate byval pointers, since they are not really pointers, but
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rather structs passed by value.
This fixes PR5038.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82689 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-24 09:47:18 +00:00
Owen Anderson
1d0be15f89
Push LLVMContexts through the IntegerType APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13 21:58:54 +00:00
Owen Anderson
9e9a0d5fc2
Move more code back to 2.5 APIs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30 23:03:37 +00:00
Owen Anderson
e922c02019
Get rid of the Pass+Context magic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:24:57 +00:00
Owen Anderson
001dbfebcb
Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a number of issues in
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our current context-passing stuff, which is also fixed here
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76089 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 18:04:31 +00:00
Owen Anderson
76f600b205
Finish LLVMContext-ing lib/Analysis. This required pushing LLVMContext's through the ValueTracking API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06 22:37:39 +00:00
Owen Anderson
14ce9ef2e9
More LLVMContext-ification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06 01:34:54 +00:00
Jay Foad
0906b1bf09
Use cast<> instead of dyn_cast<> for things that are known to be
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Instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73002 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-06 17:49:35 +00:00
Gabor Greif
edc4d69917
introduce a useful abstraction to find out if a Use is in the call position of an instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-22 21:35:57 +00:00
Rafael Espindola
bb46f52027
Add the private linkage.
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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
Dan Gohman
792e1e92c7
Clean up some multiple-return-value code that is no longer
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applicable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57033 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-03 22:21:24 +00:00
Nuno Lopes
5ed3b894c9
remove redundant test (mayBeOverriden() includes hasLinkOnceLinkage)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56786 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 14:40:32 +00:00
Duncan Sands
5df3186f59
Rename isWeakForLinker to mayBeOverridden. Use it
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instead of hasWeakLinkage in a bunch of optimization
passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56782 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-29 11:25:42 +00:00
Dan Gohman
ae73dc1448
Tidy up several unbeseeming casts from pointer to intptr_t.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-04 17:05:41 +00:00
Dan Gohman
fc74abfba5
Enable first-class aggregates support.
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Remove the GetResultInst instruction. It is still accepted in LLVM assembly
and bitcode, where it is now auto-upgraded to ExtractValueInst. Also, remove
support for return instructions with multiple values. These are auto-upgraded
to use InsertValueInst instructions.
The IRBuilder still accepts multiple-value returns, and auto-upgrades them
to InsertValueInst instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53941 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-23 00:34:11 +00:00
Matthijs Kooijman
f0da2039d1
Use a CallSite to find the nth argument of a call/invoke instruction instead of
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using getOperand() directly. This makes things work with invoke instructions as
well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52489 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-19 08:53:24 +00:00
Matthijs Kooijman
c2afe89019
Reapply r52397 (make IPConstProp promote returned arguments), but fixed this
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time. Sorry for the trouble!
This time, also add a testcase, which I should have done in the first place...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52455 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-18 08:30:37 +00:00
Matthijs Kooijman
8b0fcf38ef
Reapply r52396, it was unrelated to the breakage (that was caused by r52397, my
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commit after this).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52453 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-18 08:09:27 +00:00
Chris Lattner
fc329f4fa1
revert recent patch which is causing widespread breakage.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52415 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-17 17:06:43 +00:00
Matthijs Kooijman
2fbabf6e6d
Learn IPConstProp to propagate arguments that are directly returned. Strictly
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speaking these are not constant values. However, when a function always returns
one of its arguments, then from the point of view of each caller the return
value is constant (or at least a known value) and can be replaced.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52397 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-17 12:20:24 +00:00
Matthijs Kooijman
906e423724
Learn IPConstProp to look at individual return values and propagate them
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individually.
Also learn IPConstProp how returning first class aggregates work, in addition
to old style multiple return instructions.
Modify the return-constants testscase to confirm this behaviour.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52396 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-17 12:02:52 +00:00
Chris Lattner
18d73c206e
Fix PR2411, where ip constant prop would propagate the
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result of a weak function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-09 07:58:07 +00:00
Dan Gohman
844731a7f1
Clean up the use of static and anonymous namespaces. This turned up
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several things that were neither in an anonymous namespace nor static
but not intended to be global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-13 00:00:25 +00:00
Chris Lattner
4af6ad3789
simplify code for propagation of constant arguments into
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callees.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50142 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 06:16:27 +00:00
Chris Lattner
e9625c6c88
Fix a number of bugs in ipconstantprop, simplify the code, fit in 80 cols,
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fix read after free bug (PR2238).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50141 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 05:59:23 +00:00
Devang Patel
488b678a49
Incorporate feedback.
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- Fix loop nest.
- Use RetVals.size()
- Check for null return value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48605 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20 18:30:32 +00:00
Devang Patel
7db30ba701
Handle multiple ret values.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48254 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-11 22:24:29 +00:00
Anton Korobeynikov
07e6e56f57
Make Transforms to be 4.3 warnings-clean
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-20 11:26:25 +00:00
Chris Lattner
4ee451de36
Remove attribution from file headers, per discussion on llvmdev.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 20:36:04 +00:00
Nick Lewycky
ecd94c804a
Fix typo in comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36873 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-06 13:37:16 +00:00
Devang Patel
1997473cf7
Drop 'const'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36662 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-03 01:11:54 +00:00
Devang Patel
3e15bf33e0
Use 'static const char' instead of 'static const int'.
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Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-02 21:39:20 +00:00
Devang Patel
794fd75c67
Do not use typeinfo to identify pass in pass manager.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
2007-05-01 21:15:47 +00:00
Reid Spencer
9133fe2895
Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in
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the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33939 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-05 23:32:05 +00:00
Reid Spencer
5cbf985dcb
For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid
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confusion with external linkage types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-30 20:08:39 +00:00
Chris Lattner
86453c52ba
Eliminate static ctors due to Statistic objects
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32693 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-19 22:09:18 +00:00
Chris Lattner
ac0b6ae358
Detemplatize the Statistic class. The only type it is instantiated with
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is 'unsigned'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32279 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-06 17:46:33 +00:00
Chris Lattner
7f8897f22e
eliminate RegisterOpt. It does the same thing as RegisterPass.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29925 91177308-0d34-0410-b5e6-96231b3b80d8
2006-08-27 22:42:52 +00:00
Misha Brukman
fd93908ae8
Remove trailing whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21427 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 23:48:37 +00:00
Chris Lattner
e4d5c441e0
This mega patch converts us from using Function::a{iterator|begin|end} to
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using Function::arg_{iterator|begin|end}. Likewise Module::g* -> Module::global_*.
This patch is contributed by Gabor Greif, thanks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20597 91177308-0d34-0410-b5e6-96231b3b80d8
2005-03-15 04:54:21 +00:00
Chris Lattner
2ffa47b6bf
Only cound if we actually made a change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18800 91177308-0d34-0410-b5e6-96231b3b80d8
2004-12-11 17:00:14 +00:00
Chris Lattner
6739eae7ea
Remove note to self
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17734 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-14 06:57:47 +00:00
Chris Lattner
a990d94330
If a function always returns a constant, replace all calls sites with that
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constant value. This makes the return value dead and allows for
simplification in the caller.
This implements IPConstantProp/return-constant.ll
This triggers several dozen times throughout SPEC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17730 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-14 06:10:11 +00:00
Chris Lattner
d79c7b43f4
Actually, leave the check in. This prevents us from counting dead arguments
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as IPCP opportunities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17680 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-11 07:47:54 +00:00
Chris Lattner
3e062eacab
Fix bug: IPConstantProp/deadarg.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17679 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-11 07:46:29 +00:00