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* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-096-11/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* more tests not making the jump into the brave new world.Chris Lattner2011-07-091-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134820 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some crufy old tests that aren't adding much valueChris Lattner2011-07-0910-194/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134819 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove support for parsing the "type i32" syntax for defining a numberedChris Lattner2011-06-193-13/+1
| | | | | | | | | top level type without a specified number. This syntax isn't documented and blocks forward progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133371 91177308-0d34-0410-b5e6-96231b3b80d8
* rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which isChris Lattner2011-06-182-304/+4
| | | | | | | | | | | for pre-2.9 bitcode files. We keep x86 unaligned loads, movnt, crc32, and the target indep prefetch change. As usual, updating the testsuite is a PITA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133337 91177308-0d34-0410-b5e6-96231b3b80d8
* make the asmparser reject function and type redefinitions. 'Merging' hasn't ↵Chris Lattner2011-06-173-25/+0
| | | | | | | | | been needed since llvm-gcc 3.4 days. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133248 91177308-0d34-0410-b5e6-96231b3b80d8
* remove parser support for the obsolete "multiple return values" syntax, whichChris Lattner2011-06-171-22/+0
| | | | | | | | was replaced with return of a "first class aggregate". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133245 91177308-0d34-0410-b5e6-96231b3b80d8
* manually upgrade a bunch of tests to modern syntax, and remove some thatChris Lattner2011-06-174-37/+0
| | | | | | | | are either unreduced or only test old syntax. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133228 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase for r133050 which added support for printing and parsing escapedNick Lewycky2011-06-161-0/+24
| | | | | | | names for named metadata nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133166 91177308-0d34-0410-b5e6-96231b3b80d8
* Add one more argument to the prefetch intrinsic to indicate whether it's a dataBruno Cardoso Lopes2011-06-141-0/+8
| | | | | | | or instruction cache access. Update the targets to match it and also teach autoupgrade. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132976 91177308-0d34-0410-b5e6-96231b3b80d8
* Tighten up checking of the validity of casts. (1) The IR parser wouldDuncan Sands2011-05-182-0/+12
| | | | | | | | | | | | | | | happily accept things like "sext <2 x i32> to <999 x i64>". It would also accept "sext <2 x i32> to i64", though the verifier would catch that later. Fixed by having castIsValid check that vector lengths match except when doing a bitcast. (2) When creating a cast instruction, check that the cast is valid (this was already done when creating constexpr casts). While there, replace getScalarSizeInBits (used to allow more vector casts) with getPrimitiveSizeInBits in getCastOpcode and isCastable since vector to vector casts are now handled explicitly by passing to the element types; i.e. this bit should result in no functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131532 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the "movnt" intrinsics with a native store + nontemporal metadata bit.Bill Wendling2011-05-031-0/+18
| | | | | | | <rdar://problem/8460511> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130791 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r129401 with patch for clang.Bill Wendling2011-04-131-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129419 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r129401 for now. Clang is using the old way of doing things.Bill Wendling2011-04-121-12/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129403 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the unaligned load intrinsics in favor of using native unaligned loads.Bill Wendling2011-04-121-0/+12
| | | | | | | | | | Now that we have a first-class way to represent unaligned loads, the unaligned load intrinsics are superfluous. First part of <rdar://problem/8460511>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129401 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some support for ReturnInsts with multiple operands, and forJay Foad2011-04-041-6/+0
| | | | | | | | returning a scalar value in a function whose return type is a single- element structure or array. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128810 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply: Add type output to llvm-dis annotations. Patch by Yuri!Stuart Hastings2011-03-171-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127824 91177308-0d34-0410-b5e6-96231b3b80d8
* implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr.Chris Lattner2011-02-072-1/+46
| | | | | | | Factor some code better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125006 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance vmcore to know that udiv's can be exact, and add a trivialChris Lattner2011-02-061-0/+19
| | | | | | | | | | instcombine xform to exercise this. Nothing forms exact udivs yet though. This is progress on PR8862 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124992 91177308-0d34-0410-b5e6-96231b3b80d8
* Move unnamed_addr after the function arguments on Sabre's request.Rafael Espindola2011-01-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124209 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow unnamed_addr on declarations.Rafael Espindola2011-01-152-16/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123529 91177308-0d34-0410-b5e6-96231b3b80d8
* Reject uses of unnamed_addr in declarations.Rafael Espindola2011-01-132-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123358 91177308-0d34-0410-b5e6-96231b3b80d8
* First step in fixing PR8927:Rafael Espindola2011-01-081-0/+18
| | | | | | | | | | | | | | | | | | | Add a unnamed_addr bit to global variables and functions. This will be used to indicate that the address is not significant and therefore the constant or function can be merged with others. If an optimization pass can show that an address is not used, it can set this. Examples of things that can have this set by the FE are globals created to hold string literals and C++ constructors. Adding unnamed_addr to a non-const global should have no effect unless an optimization can transform that global into a constant. Aliases are not allowed to have unnamed_addr since I couldn't figure out any use for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123063 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR 4170 by having ExtractValueInst::getIndexedType() reject ↵Frits van Bommel2010-12-052-0/+15
| | | | | | | | | out-of-bounds indexing. Also add asserts that the indices are valid in InsertValueInst::init(). ExtractValueInst already asserts when constructed with invalid indices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120956 91177308-0d34-0410-b5e6-96231b3b80d8
* The pshufw instruction came about in MMX2 when SSE was introduced. Don't placeBill Wendling2010-10-041-0/+3
| | | | | | | | | | it in with the SSSE3 instructions. Steward! Could you place this chair by the aft sun deck? I'm trying to get away from the Astors. They are such boors! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115552 91177308-0d34-0410-b5e6-96231b3b80d8
* Auto-upgrade tests for the new MMX intrinsic calls.Bill Wendling2010-10-031-0/+220
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115456 91177308-0d34-0410-b5e6-96231b3b80d8
* Massive rewrite of MMX: Dale Johannesen2010-09-301-1/+1
| | | | | | | | | | | | | | | | | | | | | The x86_mmx type is used for MMX intrinsics, parameters and return values where these use MMX registers, and is also supported in load, store, and bitcast. Only the above operations generate MMX instructions, and optimizations do not operate on or produce MMX intrinsics. MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into smaller pieces. Optimizations may occur on these forms and the result casted back to x86_mmx, provided the result feeds into a previous existing x86_mmx operation. The point of all this is prevent optimizations from introducing MMX operations, which is unsafe due to the EMMS problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115243 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic smoke test for new x86mmx type.Dale Johannesen2010-09-131-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113783 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new "llvm-dis -show-annotations" option, which causes it to printChris Lattner2010-09-021-0/+20
| | | | | | | #uses comments, with a testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112906 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some noise from tests.Chris Lattner2010-09-021-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112889 91177308-0d34-0410-b5e6-96231b3b80d8
* remove unions from LLVM IR. They are severely buggy and notChris Lattner2010-08-281-3/+0
| | | | | | | being actively maintained, improved, or extended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
* Make GlobalValue alignment consistent with load, store, and allocaDan Gohman2010-07-281-0/+2
| | | | | | | alignment, fixing silent truncation of alignment values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109653 91177308-0d34-0410-b5e6-96231b3b80d8
* Define a maximum supported alignment value for load, store, andDan Gohman2010-07-284-0/+26
| | | | | | | | | | alloca instructions (constrained by their internal encoding), and add error checking for it. Fix an instcombine bug which generated huge alignment values (null is infinitely aligned). This fixes undefined behavior noticed by John Regehr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109643 91177308-0d34-0410-b5e6-96231b3b80d8
* add newlines at the end of files.Chris Lattner2010-04-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100705 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for a union type in LLVM IR. Patch by Talin!Chris Lattner2010-02-121-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96011 91177308-0d34-0410-b5e6-96231b3b80d8
* Function-local metadata whose operands had been optimized to no longer refer ↵Victor Hernandez2010-02-061-0/+25
| | | | | | to function-local IR were not getting written by BitcodeWriter; solution is for these metadata to be enumerated just like global metadata. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95467 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix (and test) function-local metadata that occurs before the instruction ↵Victor Hernandez2010-02-041-0/+2
| | | | | | that it refers to; fix is to not enumerate operands of function-local metadata until after all instructions have been enumerated git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95269 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve llvm.dbg.declare intrinsic by referring directly to the storage in ↵Victor Hernandez2010-01-151-12/+17
| | | | | | | | | | | its first argument, via function-local metadata (instead of via a bitcast). This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare. It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93531 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be ↵Victor Hernandez2010-01-151-9/+11
| | | | | | auto-upgraded git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93515 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve llvm.dbg.declare intrinsic by referring directly to the storage in ↵Victor Hernandez2010-01-151-11/+9
| | | | | | | | | | its first argument, via function-local metadata (instead of via a bitcast). This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93504 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend testcase to also test llvm.dbg.value intrinsicVictor Hernandez2010-01-141-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93408 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that LLParser, AsmWriter, BitcodeReader, and BitcodeWriter all correctly ↵Victor Hernandez2010-01-141-8/+16
| | | | | | support function-local metadata, test it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93406 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-add parsing of function-local metadata; this time with testcase.Victor Hernandez2010-01-051-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92793 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete useless trailing semicolons.Dan Gohman2010-01-051-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92740 91177308-0d34-0410-b5e6-96231b3b80d8
* add some basic named MD tests.Chris Lattner2009-12-311-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92336 91177308-0d34-0410-b5e6-96231b3b80d8
* reimplement insertvalue/extractvalue metadata handling to not blindly Chris Lattner2009-12-301-1/+3
| | | | | | | accept invalid input. Actually add a testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92297 91177308-0d34-0410-b5e6-96231b3b80d8
* fix parsing of mdstring values.Chris Lattner2009-12-301-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92290 91177308-0d34-0410-b5e6-96231b3b80d8
* Each instruction is allowed to have *multiple* different Chris Lattner2009-12-291-3/+4
| | | | | | | | metadata objects on them. Though the entire compiler supports this, the asmparser didn't. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92270 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not crash when .ll printing metadata that smells like debug info, but isn't.Chris Lattner2009-12-291-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92268 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust testcases for msasm -> alignstack.Dale Johannesen2009-10-211-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84796 91177308-0d34-0410-b5e6-96231b3b80d8
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