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2011-07-28Heuristics are in descending priority now. If we use one of them, skip the rest.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136402 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Handle REG_SEQUENCE with implicitly defined operands.Jakob Stoklund Olesen
Code like that would only be produced by bugpoint, but we should still handle it correctly. When a register is defined by a REG_SEQUENCE of undefs, the register itself is undef. Previously, we would create a register with uses but no defs. Fixes part of PR10520. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28ARM assembly parsing and encoding for BFC and BFI.Jim Grosbach
Add parsing support that handles converting the lsb+width source into the odd way we represent the instruction (an inverted bitfield mask). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136399 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add InEdges (edges from header to the loop) in Loop Branch Heuristics, soJakub Staszak
there is no frequency difference whether condition is in the header or in the latch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136398 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Use ArrayRef instead of requiring an std::vector.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136396 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28The personality function should be a Function* and not just a Value*.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136392 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Reverse order of RS_Split live ranges under -compact-regions.Jakob Stoklund Olesen
There are two conflicting strategies in play: - Under high register pressure, we want to assign large live ranges first. Smaller live ranges are easier to place afterwards. - Live range splitting is guided by interference, so splitting should be deferred until interference is as realistic as possible. With the recent changes to the live range stages, and with compact regions enabled, it is less traumatic to split a live range too early. If some of the split products were too big, they can often be split again. By reversing the RS_Split order, we get this queue order: 1. Normal live ranges, large to small. 2. RS_Split live ranges, large to small. The large-to-small order improves RAGreedy's puzzle solving skills under high register pressure. It may cause a bit more iterated splitting, but we handle that better now. With this change, -compact-regions is mostly an improvement on SPEC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Initial code to convert ResumeInsts into calls to _Unwind_Resume.Bill Wendling
This should be the only code necessary for DWARF EH prepare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136387 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add fixme.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Update comments.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Fill in some encoding information for STRD instructions.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Revert r136295. It broke nightly testers because some parts of codegen ↵Owen Anderson
weren't aware of the changes to operand ordering. I hope to revive this sometime in the future, but it's not strictly necessary for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28ARM parsing and encoding for ADR.Jim Grosbach
The label does not have a '#' prefix. Add parsing and encoding tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28CR fix: The ANY_EXTEND can be removed because the input and putput type must beNadav Rotem
identical. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Some minor cleanups. No functionalitical change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Leverage some of the code that John wrote to manage the landing pads.Bill Wendling
The new EH is more simple in many respects. Mainly, we don't have to worry about the "llvm.eh.exception" and "llvm.eh.selector" calls being in weird places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Don't add in the asked for size so that we don't copy too much from the old ↵Bill Wendling
to new vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Automatically merge the landingpad clauses when we come across a callee'sBill Wendling
landingpad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136329 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Explicitly declare a library dependency of LLVM*Desc toOscar Fuentes
LLVM*AsmPrinter. GenLibDeps.pl fails to detect vtable references. As this is the only referenced symbol from LLVM*Desc to LLVM*AsmPrinter on optimized builds, the algorithm that creates the list of libraries to be linked into tools doesn't know about the dependency and sometimes places the libraries on the wrong order, yielding error messages like this: ../../lib/libLLVMARMDesc.a(ARMMCTargetDesc.cpp.o): In function `llvm::ARMInstPrinter::ARMInstPrinter(llvm::MCAsmInfo const&)': ARMMCTargetDesc.cpp:(.text._ZN4llvm14ARMInstPrinterC1ERKNS_9MCAsmInfoE [llvm::ARMInstPrinter::ARMInstPrinter(llvm::MCAsmInfo const&)]+0x2a): undefined reference to `vtable for llvm::ARMInstPrinter' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136328 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Make sure that the landingpad instruction takes a Constant* as the clause's ↵Bill Wendling
value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136326 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add a couple of convenience functions:Bill Wendling
* InvokeInst: Get the landingpad instruction associated with this invoke. * LandingPadInst: A method to reserve extra space for clauses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Invert the subvector insertion to be more likely to be taken as a COPYBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add patterns to generate copies for extract_subvector instead ofBruno Cardoso Lopes
using vextractf128. This will reduce the number of issued instruction for several avx codes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28movd/movq write zeros in the high 128-bit part of the vector. UseBruno Cardoso Lopes
them to match 256-bit scalar_to_vector+zext. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add a few patterns to match allzeros without having to use the fp unit.Bruno Cardoso Lopes
Take advantage that the 128-bit vpxor zeros the higher part and use it. This also fixes PR10491 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136321 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add SINT_TO_FP and FP_TO_SINT support for v8i32 types. Also moveBruno Cardoso Lopes
a convert pattern close to the instruction definition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Fix a use after free. An instruction can't be both an intrinsic call and a ↵Benjamin Kramer
fence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136319 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Initial stab at getting inlining working with the EH rewrite.Bill Wendling
This takes the new 'resume' instruction and turns it into a direct jump to the caller's landing pad code. The caller's landingpad instruction is merged with the landingpad instructions of the callee. This is a bit rough and makes some assumptions in how the code works. But it passes a simple test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28Add an optional 'bool makeAbsolute' in llvm::sys::fs::unique_file function.Argyrios Kyrtzidis
If true and 'model' parameter is not an absolute path, a temp directory will be prepended. Make it true by default to match current behaviour. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136310 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Refactor and improve the encodings/decodings for addrmode3 loads, and make ↵Owen Anderson
the writeback operand always the first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Emit an error is asm parser parsed X86_64 only registers, e.g. %rax, %sil.Evan Cheng
This can happen in cases where TableGen generated asm matcher cannot check whether a register operand is in the right register class. e.g. mem operands. rdar://8204588 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Fix llvm-mc handing of x86 instructions that take 8-bit unsigned immediates.Kevin Enderby
llvm-mc gives an "invalid operand" error for instructions that take an unsigned immediate which have the high bit set such as: pblendw $0xc5, %xmm2, %xmm1 llvm-mc treats all x86 immediates as signed values and range checks them. A small number of x86 instructions use the imm8 field as a set of bits. This change only changes those instructions and where the high bit is not ignored. The others remain unchanged. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM assembly parsing and encoding support for USAT and USAT16.Jim Grosbach
Use range checked immediate operands for instructions. Add tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136285 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Code generation for 'fence' instruction.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136283 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Use BlockFrequency instead of uint32_t in BlockFrequencyInfo.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136278 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM assembly parsing and encoding for UMULL.Jim Grosbach
Fix parsing of the 's' suffix for the mnemonic. Add tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Remove outdated FIXME comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136275 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM assembly parsing and encoding for UMLAL.Jim Grosbach
Fix parsing of the 's' suffix for the mnemonic. Add tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Refuse to inline two functions which use different personality functions.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM parsing and encoding of SBFX and UBFX.Jim Grosbach
Encode the width operand as it encodes in the instruction, which simplifies the disassembler and the encoder, by using the imm1_32 operand def. Add a diagnostic for the context-sensitive constraint that the width must be in the range [1,32-lsb]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136264 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Refactor the STRT and STRBT instructions to distinguish between the ↵Owen Anderson
register-addend and immediate-addend versions. Temporarily XFAIL the asm parsing tests for these instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Merge the contents from exception-handling-rewrite to the mainline.Bill Wendling
This adds the new instructions 'landingpad' and 'resume'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM assembly parsing and encoding for extend instructions.Jim Grosbach
Assembly parser handling for extend instruction rotate operands. Add tests for the sign extend instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136252 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Teach the ConstantMerge pass about alignment. Fixes PR10514!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27X86ISD::MEMBARRIER does not require SSE2; it doesn't actually generate any ↵Eli Friedman
code, and all x86 processors will honor the required semantics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136249 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM assembly parsing aliases for extend instructions w/o rotate.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM cleanup of remaining extend instructions.Jim Grosbach
Refactor the rest of the extend instructions to not artificially distinguish between a rotate of zero and a rotate of any other value. Replace the by-zero versions with Pat<>'s for ISel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27ARM extend instructions simplification.Jim Grosbach
Refactor the SXTB, SXTH, SXTB16, UXTB, UXTH, and UXTB16 instructions to not have an 'r' and an 'r_rot' version, but just a single version with a rotate that can be zero. Use plain Pat<>'s for the ISel of the non-rotated version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Optimize 96-bit division a little bit.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136222 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Move static methods to the anonymous namespace.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136221 91177308-0d34-0410-b5e6-96231b3b80d8
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