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* switch to use the new api for structtypes.Chris Lattner2011-08-121-1/+1
| | | | llvm-svn: 137480
* remove the DerivedType which isn't adding value anymore.Chris Lattner2011-07-091-2/+1
| | | | llvm-svn: 134832
* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-091-9/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. llvm-svn: 134829
* Get rid of static constructors for pass registration. Instead, every pass ↵Owen Anderson2010-10-191-4/+12
| | | | | | | | | | | | | | | | | exposes an initializeMyPassFunction(), which must be called in the pass's constructor. This function uses static dependency declarations to recursively initialize the pass's dependencies. Clients that only create passes through the createFooPass() APIs will require no changes. Clients that want to use the CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h before parsing commandline arguments. I have tested this with all standard configurations of clang and llvm-gcc on Darwin. It is possible that there are problems with the static dependencies that will only be visible with non-standard options. If you encounter any crash in pass registration/creation, please send the testcase to me directly. llvm-svn: 116820
* Now with fewer extraneous semicolons!Owen Anderson2010-10-071-4/+4
| | | | llvm-svn: 115996
* DIGlobalVariable can be used to encode debug info for globals that are ↵Devang Patel2010-08-251-2/+2
| | | | | | directly folded into a constant by FE. llvm-svn: 112072
* Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson2010-08-061-4/+4
| | | | llvm-svn: 110460
* Revert r110396 to fix buildbots.Owen Anderson2010-08-061-4/+4
| | | | llvm-svn: 110410
* Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson2010-08-051-4/+4
| | | | | | | | address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. llvm-svn: 110396
* Fix batch of converting RegisterPass<> to INTIALIZE_PASS().Owen Anderson2010-07-211-8/+9
| | | | llvm-svn: 109045
* Make this code a little more readable.Dan Gohman2010-07-201-2/+4
| | | | llvm-svn: 108968
* Fix a typo.Dan Gohman2010-07-201-1/+1
| | | | llvm-svn: 108962
* Don't look up the "dbg" metadata kind by name.Dan Gohman2010-07-201-3/+2
| | | | llvm-svn: 108961
* Debugging infomration is encoded in llvm IR using metadata. This is designedDevang Patel2010-07-011-0/+101
| | | | | | | | | such a way that debug info for symbols preserved even if symbols are optimized away by the optimizer. Add new special pass to remove debug info for such symbols. llvm-svn: 107416
* If a named mdnode is removed then mark module as changed.Devang Patel2010-07-011-1/+3
| | | | llvm-svn: 107412
* Remove all debug info related named mdnodes.Devang Patel2010-06-301-10/+6
| | | | llvm-svn: 107323
* use ArgOperand APIGabor Greif2010-06-301-2/+2
| | | | llvm-svn: 107277
* Return Changed. This required setting Changed if dbg metadataDuncan Sands2010-06-291-5/+7
| | | | | | | | is stripped off. Currently set unconditionally, since the API does not provide a way of working out if anything was actually stripped off. llvm-svn: 107142
* Strip llvm.dbg.lv also.Devang Patel2010-05-201-0/+6
| | | | llvm-svn: 104236
* Strip new llvm.dbg.value intrinsic.Devang Patel2010-02-101-0/+9
| | | | llvm-svn: 95807
* Another strncmp -> StringRef.startswith simplification.Benjamin Kramer2010-01-221-1/+1
| | | | llvm-svn: 94203
* Final step in the metadata API restructuring: move the Chris Lattner2009-12-291-4/+2
| | | | | | | | getMDKindID/getMDKindNames methods to LLVMContext (and add convenience methods to Module), eliminating MetadataContext. Move the state that it maintains out to LLVMContext. llvm-svn: 92259
* This is a major cleanup of the instruction metadata interfaces thatChris Lattner2009-12-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | I asked Devang to do back on Sep 27. Instead of going through the MetadataContext class with methods like getMD() and getMDs(), just ask the instruction directly for its metadata with getMetadata() and getAllMetadata(). This includes a variety of other fixes and improvements: previously all Value*'s were bloated because the HasMetadata bit was thrown into value, adding a 9th bit to a byte. Now this is properly sunk down to the Instruction class (the only place where it makes sense) and it will be folded away somewhere soon. This also fixes some confusion in getMDs and its clients about whether the returned list is indexed by the MDID or densely packed. This is now returned sorted and densely packed and the comments make this clear. This introduces a number of fixme's which I'll follow up on. llvm-svn: 92235
* rename getMDKind -> getMDKindID, make it autoinsert if an MD KindChris Lattner2009-12-281-3/+1
| | | | | | | doesn't exist already, eliminate registerMDKind. Tidy up a bunch of random stuff. llvm-svn: 92225
* Remove debug info attached with an instruction.Devang Patel2009-11-171-36/+18
| | | | llvm-svn: 89016
* llvm.dbg.global_variables do not exist anymore.Devang Patel2009-10-281-9/+0
| | | | llvm-svn: 85402
* Previously, all operands to Constant were themselves constant.Chris Lattner2009-10-281-5/+4
| | | | | | | | | In the new world order, BlockAddress can have a BasicBlock operand. This doesn't permute much, because if you have a ConstantExpr (or anything more specific than Constant) we still know the operand has to be a Constant. llvm-svn: 85375
* Derive metadata hierarchy from Value instead of User.Devang Patel2009-10-211-2/+0
| | | | llvm-svn: 84801
* Remove VISIBILITY_HIDDEN from this file.Nick Lewycky2009-09-031-4/+3
| | | | llvm-svn: 80903
* Reapply 79977.Devang Patel2009-08-281-118/+7
| | | | | | Use MDNodes to encode debug info in llvm IR. llvm-svn: 80406
* Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.Devang Patel2009-08-261-7/+118
| | | | llvm-svn: 80073
* Update DebugInfo interface to use metadata, instead of special named ↵Devang Patel2009-08-251-118/+7
| | | | | | | | llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well. This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!) llvm-svn: 79977
* Fix a bunch of namespace pollution.Dan Gohman2009-08-071-2/+2
| | | | llvm-svn: 78363
* Use DebugInfoFinder.Devang Patel2009-08-061-10/+9
| | | | llvm-svn: 78333
* Move more code back to 2.5 APIs.Owen Anderson2009-07-301-1/+1
| | | | llvm-svn: 77635
* Remove Value::getName{Start,End}, the last of the old Name APIs.Daniel Dunbar2009-07-261-6/+5
| | | | llvm-svn: 77152
* Get rid of the Pass+Context magic.Owen Anderson2009-07-221-1/+0
| | | | llvm-svn: 76702
* implement a new magic global "llvm.compiler.used" which is like llvm.used, butChris Lattner2009-07-201-21/+16
| | | | | | doesn't cause ".no_dead_strip" to be emitted on darwin. llvm-svn: 76399
* Move the ConstantInt uniquing table into LLVMContextImpl. This exposed a ↵Owen Anderson2009-07-161-0/+1
| | | | | | | | number of issues in our current context-passing stuff, which is also fixed here llvm-svn: 76089
* More LLVMContext-ification.Owen Anderson2009-07-061-1/+2
| | | | llvm-svn: 74811
* Remove debug info anchors - llvm.dbg.compile_units, llvm.dbg.subprogramsDevang Patel2009-06-261-1/+20
| | | | | | and llvm.dbg.global_variables. llvm-svn: 74251
* The second argument to RecursivelyDeleteTriviallyDeadInstructions hasDan Gohman2009-05-021-2/+2
| | | | | | a default value, and will hopefully be going away soon. llvm-svn: 70642
* Fix -strip-debug-declare to work when there areDale Johannesen2009-03-131-19/+17
| | | | | | llvm.global.variable's but no llvm.declare's. llvm-svn: 66977
* Remove llvm.dbg.global_variables also.Devang Patel2009-03-091-0/+10
| | | | llvm-svn: 66471
* Add helper pass to remove llvm.dbg.declare intrinsics.Devang Patel2009-03-091-0/+62
| | | | llvm-svn: 66454
* Recursively remove dead argument while removing llvm.dbg.declare intrinsic.Devang Patel2009-03-031-2/+3
| | | | llvm-svn: 65971
* Remove all dbg symobls, including those with circular references.Devang Patel2009-03-021-3/+15
| | | | | | This is ugly, but I can't figure out a quick way out of this. llvm-svn: 65889
* Add the private linkage.Rafael Espindola2009-01-151-6/+6
| | | | llvm-svn: 62279
* Do not forget llvm.dbg.declare's first argument while removing debugging ↵Devang Patel2008-11-201-4/+12
| | | | | | information. llvm-svn: 59688
* Remove unused variables.Devang Patel2008-11-191-12/+9
| | | | llvm-svn: 59570
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