Chris Lattner 1afcace3a3 Land the long talked about "type system rewrite" patch. This ... 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8		2011-07-09 17:41:24 +00:00
..
2002-03-08-NameCollision2.ll
2002-03-08-NameCollision.ll
2002-04-07-HexFloatConstants.ll
2002-04-07-InfConstant.ll
2002-04-29-NameBinding.ll
2002-05-02-InvalidForwardRef.ll
2002-07-14-OpaqueType.ll
2002-07-25-QuoteInString.ll
2002-07-25-ReturnPtrFunction.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
2002-07-31-SlashInString.ll
2002-08-15-CastAmbiguity.ll
2002-08-15-ConstantExprProblem.ll
2002-08-15-UnresolvedGlobalReference.ll
2002-08-16-ConstExprInlined.ll
2002-08-19-BytecodeReader.ll
2002-08-22-DominanceProblem.ll
2002-10-08-LargeArrayPerformance.ll
2002-10-13-ConstantEncodingProblem.ll
2002-12-15-GlobalResolve.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
2003-01-30-UnsignedString.ll
2003-04-15-ConstantInitAssertion.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
2003-04-25-UnresolvedGlobalReference.ll
2003-05-03-BytecodeReaderProblem.ll
2003-05-12-MinIntProblem.ll
2003-05-15-AssemblerProblem.ll
2003-05-15-SwitchBug.ll
2003-05-21-ConstantShiftExpr.ll
2003-05-21-EmptyStructTest.ll
2003-05-21-MalformedShiftCrash.ll	implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr.	2011-02-07 16:40:21 +00:00
2003-05-21-MalformedStructCrash.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
2003-06-17-InvokeDisassemble.ll
2003-08-20-ConstantExprGEP-Fold.ll
2003-08-21-ConstantExprCast-Fold.ll
2003-11-05-ConstantExprShift.ll
2003-11-11-ImplicitRename.ll
2003-11-12-ConstantExprCast.ll
2003-11-24-SymbolTableCrash.ll
2004-01-11-getelementptrfolding.ll
2004-01-20-MaxLongLong.ll
2004-02-01-NegativeZero.ll
2004-02-27-SelfUseAssertError.ll
2004-03-07-FunctionAddressAlignment.ll
2004-03-30-UnclosedFunctionCrash.ll
2004-04-04-GetElementPtrIndexTypes.ll
2004-06-07-VerifierBug.ll
2004-10-22-BCWriterUndefBug.ll
2004-11-28-InvalidTypeCrash.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
2005-01-03-FPConstantDisassembly.ll
2005-01-31-CallingAggregateFunction.ll
2005-05-05-OpaqueUndefValues.ll
2005-12-21-ZeroInitVector.ll
2006-09-28-CrashOnInvalid.ll
2006-12-09-Cast-To-Bool.ll
2007-01-02-Undefined-Arg-Type.ll
2007-01-05-Cmp-ConstExpr.ll
2007-01-16-CrashOnBadCast2.ll
2007-01-16-CrashOnBadCast.ll
2007-03-18-InvalidNumberedVar.ll
2007-03-19-NegValue.ll
2007-04-20-AlignedLoad.ll
2007-04-20-AlignedStore.ll
2007-04-25-AssemblerFoldExternWeak.ll
2007-05-21-Escape.ll
2007-07-19-ParamAttrAmbiguity.ll
2007-08-06-AliasInvalid.ll
2007-09-10-AliasFwdRef.ll
2007-09-29-GC.ll
2007-11-26-AttributeOverload.ll
2007-12-11-AddressSpaces.ll
2008-01-11-VarargAttrs.ll
2008-02-18-IntPointerCrash.ll
2008-07-10-APInt.ll
2008-09-02-FunctionNotes2.ll
2008-09-02-FunctionNotes.ll
2008-09-29-RetAttr.ll
2008-10-14-QuoteInName.ll
2009-02-01-UnnamedForwardRef.ll
2009-02-28-CastOpc.ll	Remove support for parsing the "type i32" syntax for defining a numbered	2011-06-19 00:03:46 +00:00
2009-02-28-StripOpaqueName.ll
2009-03-24-ZextConstantExpr.ll
2009-04-25-AliasGEP.ll
2009-07-24-ZeroArgGEP.ll
2010-02-05-FunctionLocalMetadataBecomesNull.ll
aggregate-constant-values.ll
aggregate-return-single-value.ll	Remove some support for ReturnInsts with multiple operands, and for	2011-04-04 07:44:02 +00:00
align-inst-alloca.ll	Define a maximum supported alignment value for load, store, and	2010-07-28 20:12:04 +00:00
align-inst-load.ll	Define a maximum supported alignment value for load, store, and	2010-07-28 20:12:04 +00:00
align-inst-store.ll	Define a maximum supported alignment value for load, store, and	2010-07-28 20:12:04 +00:00
align-inst.ll	Make GlobalValue alignment consistent with load, store, and alloca	2010-07-28 20:56:48 +00:00
alignstack.ll
anon-functions.ll
AutoUpgradeIntrinsics.ll	rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is	2011-06-18 06:05:24 +00:00
bcwrap.ll
comment.ll	Reapply: Add type output to llvm-dis annotations. Patch by Yuri!	2011-03-17 19:50:04 +00:00
ConstantExprFold.ll
ConstantExprFoldCast.ll
dg.exp
extractvalue-invalid-idx.ll	Fix PR 4170 by having ExtractValueInst::getIndexedType() reject out-of-bounds indexing.	2010-12-05 20:50:26 +00:00
flags.ll	implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr.	2011-02-07 16:40:21 +00:00
functionlocal-metadata.ll
getelementptr_struct.ll
getelementptr.ll	Land the long talked about "type system rewrite" patch. This	2011-07-09 17:41:24 +00:00
huge-array.ll
insertextractvalue.ll
insertvalue-invalid-idx.ll	Fix PR 4170 by having ExtractValueInst::getIndexedType() reject out-of-bounds indexing.	2010-12-05 20:50:26 +00:00
invalid_cast2.ll	Tighten up checking of the validity of casts. (1) The IR parser would	2011-05-18 09:21:57 +00:00
invalid_cast.ll	Tighten up checking of the validity of casts. (1) The IR parser would	2011-05-18 09:21:57 +00:00
metadata.ll
MultipleReturnValueType.ll
named-metadata.ll	Add testcase for r133050 which added support for printing and parsing escaped	2011-06-16 17:14:38 +00:00
numbered-values.ll
select.ll
unnamed-addr.ll	Move unnamed_addr after the function arguments on Sabre's request.	2011-01-25 19:09:56 +00:00
unnamed.ll
vbool-cmp.ll
vector-cmp.ll
vector-select.ll
vector-shift.ll
x86mmx.ll	Basic smoke test for new x86mmx type.	2010-09-13 21:01:36 +00:00