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2012-10-24Add some cleanup to the DataLayout changes requested by Chandler.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Back out r166591, not sure why this made it through since I cancelled the ↵Micah Villmow
command. Bleh, sorry about this! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166596 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Implement a basic VectorTargetTransformInfo interface to be used by the loop ↵Nadav Rotem
and bb vectorizers for modeling the cost of instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166593 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24[ms-inline asm] Create a register operand, rather than a memory operand when weChad Rosier
see the offsetof operator. Previously, we were matching something like MOVrm in the front-end and later matching MOVrr in the back-end. This change makes things more consistent. It also fixes cases where we can't match against a memory operand as the source (test cases coming). Part of rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166592 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Delete a directory that wasn't supposed to be checked in yet.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Add in support for getIntPtrType to get the pointer type based on the ↵Micah Villmow
address space. This checkin also adds in some tests that utilize these paths and updates some of the clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Special calling conventions for Intel OpenCL built-in library.Elena Demikhovsky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Teach DAG combine to fold (buildvec (Xint2fp x)) to (Xint2fp (buildvec x))Michael Liao
- If more than 1 elemennts are defined and target supports the vectorized conversion, use the vectorized one instead to reduce the strength on conversion operation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Add custom conversion from v2u32 to v2f32 in 32-bit modeMichael Liao
- As there's no 64-bit GPRs in 32-bit mode, a custom conversion from v2u32 to v2f32 is added to improve the efficiency of the code generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24[mips] Make sure sret argument is returned in register V0.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166539 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Change x86_fastcallcc to require inreg markers. This allows it to knownRafael Espindola
the difference from "int x" (which should go in registers and "struct y {int x;}" (which should not). Clang will be updated in the next patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Keep coding standard. Don't evaluate getNumOperands() every time.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166531 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Fix ODR violations: a virtual function must be defined, even if it's neverRichard Smith
called. Provide an (asserting) definition of Operator's private destructor. Remove destructors from all classes derived from Operator. We don't need them for safety, because their implicit definitions would be ill-formed (they'd call Operator's private destructor), and we don't need them to avoid emitting vtables, because we don't do anything with Operator subclasses which would trigger vtable instantiation. The Operator hierarchy is still a complete disaster with regard to undefined behavior, but this at least allows LLVM to link when using Clang's -fcatch-undefined-behavior with a new vptr-based type checking mechanism. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23[ms-inline asm] Offset operator - the size should be based on the size of aChad Rosier
pointer, not the size of the variable. Part of rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166526 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23[ms-inline asm] Clean up comment.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23[ms-inline asm] When parsing inline assembly we set the base register to aChad Rosier
non-zero value as we don't know the actual value at this point. This is necessary to get the matching correct in some cases. However, the actual value set as the base register doesn't matter, since we're just matching not emitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166523 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Clean up code and put transformation on (build_vec (ext x)) into a helper funcMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166519 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Make branch heavy code for generating marked up disassembly simplerKevin Enderby
and easier to read by adding a couple helper functions. Suggestion by Chandler Carruth and seconded by Meador Inge! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166515 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Fix PR14161Michael Liao
- Check index being extracted to be constant 0 before simplfiying. Otherwise, retain the original sequence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166504 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Make the indirect branch optimization deterministic. No functionality change.Nadav Rotem
Patch by Daniel Reynaud. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166501 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Silence -Wsign-compareMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Use the AliasAnalysis isIdentifiedObj because it also understands mallocs ↵Nadav Rotem
and c++ news. PR14158. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166491 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Ignore unreachable blocks when doing memory dependence analysis on non-localBill Wendling
loads. It's not really profitable and may result in GVN going into an infinite loop when it hits constructs like this: %x = gep %some.type %x, ... Found via an LTO build of LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166490 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23[ms-inline asm] Add an implementation of the offset operator. This is a followChad Rosier
on patch to r166433. rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166488 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Add custom UINT_TO_FP from v4i8/v4i16/v8i8/v8i16 to v4f32/v8f32Michael Liao
- Replace v4i8/v8i8 -> v8f32 DAG combine with custom lowering to reduce DAG combine overhead. - Extend the support to v4i16/v8i16 as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166487 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Enable lowering ZERO_EXTEND/ANY_EXTEND to PMOVZX from SSE4.1Michael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166486 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166485 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23This is another TLC patch for separating code for the Darwin and ELF ABIsBill Schmidt
for the PowerPC target, and factoring the results. This will ease future maintenance of both subtargets. PPCTargetLowering::LowerCall_Darwin_Or_64SVR4() has grown a lot of special-case code for the different ABIs, making maintenance difficult. This is getting worse as we repair errors in the 64-bit ELF ABI implementation, while avoiding changes to the Darwin ABI logic. This patch splits the routine into LowerCall_Darwin() and LowerCall_64SVR4(), allowing both versions to be significantly simplified. I've factored out chunks of similar code where it made sense to do so. I also performed similar factoring on LowerFormalArguments_Darwin() and LowerFormalArguments_64SVR4(). There are no functional changes in this patch, and therefore no new test cases have been developed. Built and tested on powerpc64-unknown-linux-gnu with no new regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166480 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Fix typo that somehow escaped both testing and code inspection.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Transform code like thisDuncan Sands
%V = mul i64 %N, 4 %t = getelementptr i8* bitcast (i32* %arr to i8*), i32 %V into %t1 = getelementptr i32* %arr, i32 %N %t = bitcast i32* %t1 to i8* incorporating the multiplication into the getelementptr. This happens all the time in dragonegg, for example for int foo(int *A, int N) { return A[N]; } because gcc turns this into byte pointer arithmetic before it hits the plugin: D.1590_2 = (long unsigned int) N_1(D); D.1591_3 = D.1590_2 * 4; D.1592_5 = A_4(D) + D.1591_3; D.1589_6 = *D.1592_5; return D.1589_6; The D.1592_5 line is a POINTER_PLUS_EXPR, which is turned into a getelementptr on a bitcast of A_4 to i8*, so this becomes exactly the kind of IR that the transform fires on. An analogous transform (with no testcases!) already existed for bitcasts of arrays, so I rewrote it to share code with this one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166474 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Per the C++ standard, we need to include the definition of llvm::Calculate inRichard Smith
every TU where it's implicitly instantiated, even if there's an implicit instantiation for the same types available in another TU. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166470 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Add a comment which explains why the assert fired and how to fix it.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166467 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23implement setXX patternsReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166459 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Fix typo.Julien Lerouge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166456 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23Explain why DenseMap is still used here instead of MapVector.Julien Lerouge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166454 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22[ms-inline-asm] Implement _emit directive (which is roughly equivalent to ↵Eli Friedman
.byte). <rdar://problem/12470345>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166451 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22When a block ends in an indirect branch, add its successors to the machine ↵Bill Wendling
basic block. The CFG of the machine function needs to know that the targets of the indirect branch are successors to the indirect branch. <rdar://problem/12529625> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166448 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Add support for annotated disassembly output for X86 and arm.Kevin Enderby
Per the October 12, 2012 Proposal for annotated disassembly output sent out by Jim Grosbach this set of changes implements this for X86 and arm. The llvm-mc tool now has a -mdis option to produced the marked up disassembly and a couple of small example test cases have been added. rdar://11764962 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22[ms-inline asm] Don't rewrite out parts of an inline-asm skipped by .if 0 ↵Eli Friedman
and friends. It's unnecessary and makes the generated assembly less faithful to the original source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166440 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22[ms-inline asm] Add the isOffsetOf() function.Chad Rosier
Part of rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166436 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Iterating over a DenseMap<std::pair<BasicBlock*, unsigned>, PHINode*> is notJulien Lerouge
deterministic, replace it with a DenseMap<std::pair<unsigned, unsigned>, PHINode*> (we already have a map from BasicBlock to unsigned). <rdar://problem/12541389> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166435 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22[ms-inline asm] Add support for parsing the offset operator. Callback for Chad Rosier
CodeGen in the front-end not implemented yet. rdar://12470317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Don't crash if the load/store pointer is not a GEP.Nadav Rotem
Fix by Shivarama Rao <Shivarama.Rao@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166427 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Revert r166407 because it caused analyzer tests to crash and broke self-host ↵Argyrios Kyrtzidis
bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166424 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22BBVectorize should ignore unreachable blocks.Hal Finkel
Unreachable blocks can have invalid instructions. For example, jump threading can produce self-referential instructions in unreachable blocks. Also, we should not be spending time optimizing unreachable code. Fixes PR14133. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Add the "ForceSizeOpt" attribute.Nadav Rotem
Patch by Quentin Colombet <qcolombet@apple.com> Original description: """ The attached patch is the first step to have a better control on Oz related optimizations. The Oz optimization level focuses on code size, thus I propose to add an attribute called ForceSizeOpt. """ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166422 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Rename a variable.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166410 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Vectorizer: optimize the generation of selects. If the condition is uniform, ↵Nadav Rotem
generate a scalar-cond select (i1 as selector). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166409 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Update the loop vectorizer docs.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-22Reapply r166405, teaching tailcallelim to be smarter about nocapture, with aNick Lewycky
very small but very important bugfix: bool shouldExplore(Use *U) { Value *V = U->get(); if (isa<CallInst>(V) || isa<InvokeInst>(V)) [...] should have read: bool shouldExplore(Use *U) { Value *V = U->getUser(); if (isa<CallInst>(V) || isa<InvokeInst>(V)) Fixes PR14143! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166407 91177308-0d34-0410-b5e6-96231b3b80d8
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