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2012-01-26Add SourceMgr to MCContext for backend diagnostics.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Handle call-clobbered ymm registers on Win64.Jakob Stoklund Olesen
The Win64 calling convention has xmm6-15 as callee-saved while still clobbering all ymm registers. Add a YMM_HI_6_15 pseudo-register that aliases the clobbered part of the ymm registers, and mark that as call-clobbered. This allows live xmm registers across calls. This hack wouldn't be necessary with RegisterMask operands representing the call clobbers, but they are not quite operational yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149088 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Use -H on darwin as well.Eric Christopher
Patch by Liang Wang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149085 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26progress making the world safe to ConstantDataVector. WhileChris Lattner
we're at it, allow PatternMatch's "neg" pattern to match integer vector negations, and enhance ComputeNumSigned bits to handle shl of vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149082 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26tidy up forward declarations.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26smallvectorize and ArrayRef'ize some stuff.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Reduce a lot of code duplication by implementing Chris Lattner
ConstantExpr::getWithOperandReplaced and ConstantExpr::replaceUsesOfWithOnConstant in terms of ConstantExpr::getWithOperands. While we're at it, make sure that ConstantExpr::getWithOperands covers all instructions: it was missing insert/extractvalue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149076 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Update comment for r149070.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149075 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Replace the use of isPredicable() with isPredicated() inChad Rosier
MachineBasicBlock::canFallThrough(). We're interested in the state of the instruction (i.e., is this a barrier or not?), not if the instruction is predicable or not. rdar://10501092 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149070 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Clear kill flags before propagating a copy.Jakob Stoklund Olesen
The live range of the source register may be extended when a redundant copy is eliminated. Make sure any kill flags between the two copies are cleared. This fixes PR11765. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149069 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Tidy up. Fix mismatched return types for error handling.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26comment tweaksGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Add support for the R_ARM_TARGET1 relocation, which should be given to ↵James Molloy
relocations applied to all C++ constructors and destructors. This enables the linker to match concrete relocation types (absolute or relative) with whatever library or C++ support code is being linked against. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149057 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Fix for the following bug in AVX codegen for double-to-int conversions:Victor Umansky
. "fptosi" and "fptoui" IR instructions are defined with round-to-zero rounding mode. . Currently for AVX mode for <4xdouble> and <8xdouble> the "VCVTPD2DQ.128" and "VCVTPD2DQ.256" instructions are selected (for .fp_to_sint. DAG node operation ) by AVX codegen. However they use round-to-nearest-even rounding mode. . Consequently, the conversion produces incorrect numbers. The fix is to replace selection of VCVTPD2DQ instructions with VCVTTPD2DQ instructions. The latter use truncate (i.e. round-to-zero) rounding mode. As .fp_to_sint. DAG node operation is used only for lowering of "fptosi" and "fptoui" IR instructions, the fix in X86InstrSSE.td definition file doesn.t have an impact on other LLVM flows. The patch includes changes in the .td file, LIT test for the changes and a fix in a legacy LIT test (which produced asm code conflicting with LLVN IR spec). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Add HasXOP predicate check covering a bunch of XOP intrinsic patterns.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Fix AVX vs SSE patterns ordering issue for VPCMPESTRM and VPCMPISTRM.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149053 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Remove some more patterns by custom lowering intrinsics to target specific ↵Craig Topper
nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149052 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26unbreak test/Bitcode/shuffle.ll.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149033 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26simplify by using ShuffleVectorInst::getMaskValue.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149029 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26eliminate the Constant::getVectorElements method. There are better (andChris Lattner
more robust) ways to do what it was doing now. Also, add static methods for decoding a ShuffleVector mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149028 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Continue improving support for ConstantDataAggregate, and use theChris Lattner
new methods recently added to (sometimes greatly!) simplify code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Add a ConstantDataVector::getSplatValue() method, for parity withChris Lattner
ConstantVector. Fix some outright bugs in the implementation of ConstantArray and Constant struct, which would cause us to not make one big UndefValue when asking for an array/struct with all undef elements. Enhance Constant::isAllOnesValue to work with ConstantDataVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149021 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26llvm-config: Add support for CMake build trees in which the buildPeter Collingbourne
mode does not form part of the path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149010 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26some general cleanup, using new methods and tidying up old code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149006 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26fix pasto in the new (and still unused) ShuffleVectorInst::getShuffleMask ↵Chris Lattner
method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26add StructType helpers too.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149000 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Ok, break down and add some cast<>'ing helper methods to the Type classChris Lattner
to reduce the number of cast<>'s we have. This allows someone to use things like Ty->getVectorNumElements() instead of cast<VectorType>(Ty)->getNumElements() when you know that a type is a vector. It would be a great general cleanup to move the codebase to use these, I will do so in the code I'm touching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148999 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25add some helper methods to ShuffleVectorInst and enhance itsChris Lattner
"isValidOperands" and "getMaskValue" methods to allow ConstantDataSequential. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Improve sub-register def handling in ProcessImplicitDefs.Jakob Stoklund Olesen
This boils down to using MachineOperand::readsReg() more. This fixes PR11829 where a use ended up after the first def when lowering REG_SEQUENCE instructions involving IMPLICIT_DEFs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Properly emit ctors / dtors with priorities into desired sectionsAnton Korobeynikov
and let linker handle the rest. This finally fixes PR5329 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Don't add live ranges for aliases of physregs that are live in to theLang Hames
function. They don't appear to be used, and are inconsistent with handling of other physreg intervals (i.e. intervals that are not live-in) where ranges are not inserted for aliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Tidy up. s/Low Level Virtual Machine/LLVM/.Jim Grosbach
LLVM isn't an acronym anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Always break upon finding a vreg operand (in Release as well as +Asserts). ↵Lang Hames
Remove assertion which can no longer trigger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25ARM assemly parsing and validation of IT instruction.Jim Grosbach
"Although a Thumb2 instruction, the IT mnemonic shall be permitted in ARM mode, and the condition verified to match the condition code(s) on the following instruction(s)." PR11853 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148969 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Use precomputed BB size instead of BB->size().Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148964 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25fix a bug I introduced in r148929, this is not a splat!Chris Lattner
Thanks to Eli for noticing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Gracefully degrade precision in branch probability numbers.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148946 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Support pointer comparisons against constants, when looking at the inline-costNick Lewycky
savings from a pointer argument becoming an alloca. Sometimes callees will even compare a pointer to null and then branch to an otherwise unreachable block! Detect these cases and compute the number of saved instructions, instead of bailing out and reporting no savings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Revert a tiny bit of r148553 which extended LLVM's function attributesChandler Carruth
to 64-bits, and added a new attribute in bit #32. Specifically, remove this new attribute from the enum used in the C API. It's not yet clear what the best approach is for exposing these new attributes in the C API, and several different proposals are on the table. Until then, we can simply not expose this bit in the API at all. Also, I've reverted a somewhat unrelated change in the same revision which switched from "1 << 31" to "1U << 31" for the top enum. While "1 << 31" is technically undefined behavior, implementations DTRT here. However, MS and -pedantic mode warn about non-'int' type enumerator values. If folks feel strongly about this I can put the 'U' back in, but it seemed best to wait for the proper solution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Update hasProperty comment.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148936 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25use Constant::getAggregateElement to simplify a bunch of code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Custom lower PSIGN and PSHUFB intrinsics to their corresponding target ↵Craig Topper
specific nodes so we can remove the isel patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148933 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25constify some methods and add a new Constant::getAggregateElementChris Lattner
helper method for the common operation of extracting an element out of a constant aggregate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25use ConstantVector::getSplat in a few places.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Custom lower phadd and phsub intrinsics to target specific nodes. Remove the ↵Craig Topper
patterns that are no longer necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148927 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25reapply r148901 with a crucial fix.Chris Lattner
"Introduce a new ConstantVector::getSplat constructor function to simplify a really common case." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Remove AVX 256-bit unaligned load intrinsics. 128-bit versions had been ↵Craig Topper
removed a while ago. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Mark 64-bit register RA_64 unused too.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Modify MipsFrameLowering::emitPrologue and emitEpilogue.Akira Hatanaka
- Use MipsAnalyzeImmediate to expand immediates that do not fit in 16-bit. - Change the types of variables so that they are sufficiently large to handle 64-bit pointers. - Emit instructions to set register $28 in a function prologue after instructions which store callee-saved registers have been emitted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Modify MipsRegisterInfo::eliminateFrameIndex to use MipsAnalyzeImmediate toAkira Hatanaka
expand offsets that do not fit in the 16-bit immediate field of load and store instructions. Also change the types of variables so that they are sufficiently large to handle 64-bit pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148916 91177308-0d34-0410-b5e6-96231b3b80d8
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