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* MC/Mach-O: Fix regression introduced in r126127, this assignment shouldn't haveDaniel Dunbar2011-03-17
| | | | | | been removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127812 91177308-0d34-0410-b5e6-96231b3b80d8
* Move more logic into getTypeForExtArgOrReturn.Cameron Zwarich2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127809 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getTypeForExtendedInteger() to getTypeForExtArgOrReturn().Cameron Zwarich2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127807 91177308-0d34-0410-b5e6-96231b3b80d8
* Add comments for the demanglings. Correct mangled form of operator delete!Nick Lewycky2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127801 91177308-0d34-0410-b5e6-96231b3b80d8
* Add "swi" which is an obsolete mnemonic for "svc".Nick Lewycky2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127788 91177308-0d34-0410-b5e6-96231b3b80d8
* A couple new README entries.Eli Friedman2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127786 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix handling of @IDNTPOFF relocations, they need to get STT_TLS.Joerg Sonnenberger2011-03-17
| | | | | | | While here, add VK_ARM_TPOFF and VK_ARM_GOTTPOFF, too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127780 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite instructions as part of ConnectedVNInfoEqClasses::Distribute.Jakob Stoklund Olesen2011-03-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127779 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a LiveRangeEdit delegate callback before shrinking a live range.Jakob Stoklund Olesen2011-03-16
| | | | | | The register allocator needs to adjust its live interval unions when that happens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127774 91177308-0d34-0410-b5e6-96231b3b80d8
* Erase virtual registers that are unused after DCE.Jakob Stoklund Olesen2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127773 91177308-0d34-0410-b5e6-96231b3b80d8
* Tag cached interference with a user-provided tag instead of the virtual ↵Jakob Stoklund Olesen2011-03-16
| | | | | | | | | register number. The live range of a virtual register may change which invalidates the cached interference information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127772 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify debugging output.Jakob Stoklund Olesen2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127771 91177308-0d34-0410-b5e6-96231b3b80d8
* The x86-64 ABI says that a bool is only guaranteed to be sign-extended to a byteCameron Zwarich2011-03-16
| | | | | | | | | | | rather than an int. Thankfully, this only causes LLVM to miss optimizations, not generate incorrect code. This just fixes the zext at the return. We still insert an i32 ZextAssert when reading a function's arguments, but it is followed by a truncate and another i8 ZextAssert so it is not optimized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127766 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't recompute something that we already have in a local variable.Cameron Zwarich2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127764 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r127757, "Patch to a fix dwarf relocation problem on ARM. One-line fixDaniel Dunbar2011-03-16
| | | | | | | plus the test where it used to break.", which broke Clang self-host of a Debug+Asserts compiler, on OS X. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127763 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsics for setclk, setrdy.Richard Osborne2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127761 91177308-0d34-0410-b5e6-96231b3b80d8
* Patch to a fix dwarf relocation problem on ARM. One-line fix plus the test ↵Renato Golin2011-03-16
| | | | | | where it used to break. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127757 91177308-0d34-0410-b5e6-96231b3b80d8
* Add checkevent intrinsic to check if any resources owned by the current threadRichard Osborne2011-03-16
| | | | | | | can event. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127741 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Cameron Zwarich2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127728 91177308-0d34-0410-b5e6-96231b3b80d8
* lib/Support/raw_ostream.cpp: On mingw, report_fatal_error() should not be ↵NAKAMURA Takumi2011-03-16
| | | | | | | | called at dtor context. report_fatal_error() invokes exit(). We know report_fatal_error() might not write messages to stderr when any errors were detected on FD == 2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127726 91177308-0d34-0410-b5e6-96231b3b80d8
* Windows/PathV2.inc: [PR8520] Recognize "NUL" as special (character) file.NAKAMURA Takumi2011-03-16
| | | | | | FIXME: It is a temporal hack. We should detect as many "special file name" as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127724 91177308-0d34-0410-b5e6-96231b3b80d8
* Windows/Path.inc: [PR6270] PathV1::makeUnique(): Give arbitrary initial seed ↵NAKAMURA Takumi2011-03-16
| | | | | | | | for workaround. FIXME: We should use sys::fs::unique_file() in future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127723 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Whitespace and 80 column.Jim Grosbach2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127721 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not accidently initialize NumDbgValueLost and NumDbgLineLost counts.Devang Patel2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127720 91177308-0d34-0410-b5e6-96231b3b80d8
* Only convert allocas to scalars if it is profitable. The profitability metric ICameron Zwarich2011-03-16
| | | | | | | | | | | chose is having a non-memcpy/memset use and being larger than any native integer type. Originally I chose having an access of a size smaller than the total size of the alloca, but this caused some minor issues on the spirit benchmark where SRoA runs again after some inlining. This fixes <rdar://problem/8613163>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127718 91177308-0d34-0410-b5e6-96231b3b80d8
* Better use initializer lists.Cameron Zwarich2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127716 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a clarifying comment.Cameron Zwarich2011-03-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127715 91177308-0d34-0410-b5e6-96231b3b80d8
* There were two issues fixed:Johnny Chen2011-03-15
| | | | | | | | | | | | | | | | | 1. The ARM Darwin *r9 call instructions were pseudo-ized recently. Modify the ARMDisassemblerCore.cpp file to accomodate the change. 2. The disassembler was unnecessarily adding 8 to the sign-extended imm24: imm32 = SignExtend(imm24:'00', 32); // A8.6.23 BL, BLX (immediate) // Encoding A1 It has no business doing such. Removed the offending logic. Add test cases to arm-tests.txt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127707 91177308-0d34-0410-b5e6-96231b3b80d8
* Add scei vendorJohn Thompson2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127705 91177308-0d34-0410-b5e6-96231b3b80d8
* The VTBL (and VTBX) instructions are rather permissive concerning the masks theyBill Wendling2011-03-15
| | | | | | | | accept. If a value in the mask is out of range, it uses the value 0, for VTBL, or leaves the value unchanged, for VTBX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127700 91177308-0d34-0410-b5e6-96231b3b80d8
* Trace back through sibling copies to hoist spills and find rematerializable ↵Jakob Stoklund Olesen2011-03-15
| | | | | | | | | | | | | defs. After live range splitting, an original value may be available in multiple registers. Tracing back through the registers containing the same value, find the best place to insert a spill, determine if the value has already been spilled, or discover a reaching def that may be rematerialized. This is only the analysis part. The information is not used for anything yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127698 91177308-0d34-0410-b5e6-96231b3b80d8
* Preserve both isPHIDef and isDefByCopy bits when copying parent values.Jakob Stoklund Olesen2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127697 91177308-0d34-0410-b5e6-96231b3b80d8
* Some minor cleanups based on feedback.Bill Wendling2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127694 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespae.Jim Grosbach2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127691 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up something noticed by Fritz.Cameron Zwarich2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127684 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not form thumb2 ldrd / strd if the offset is by multiple of 4. rdar://9133587Evan Cheng2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127683 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't indent cases in a switch, no functionality change.Richard Osborne2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127681 91177308-0d34-0410-b5e6-96231b3b80d8
* On the XCore the scavenging slot should be closest to the SP.Richard Osborne2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127680 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsics for getps, setps, setsr and clrsr.Richard Osborne2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127678 91177308-0d34-0410-b5e6-96231b3b80d8
* PTX: Set PTX 2.0 as the minimum supported versionJustin Holewinski2011-03-15
| | | | | | | | - Remove PTX 1.4 code generation - Change type of intrinsics to .v4.i32 instead of .v4.i16 - Add and/or/xor integer instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127677 91177308-0d34-0410-b5e6-96231b3b80d8
* Silence compiler warning about case values not being in the enumerated typeDuncan Sands2011-03-15
| | | | | | | MCFixupKind. This is the same technique that is used elsewhere in MC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127676 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid a compiler warning about reg possibly being used uninitializedDuncan Sands2011-03-15
| | | | | | | when building with assertions disabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127675 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not add PHIs with no users when creating LCSSA form. Patch by Andrew Clinton.Cameron Zwarich2011-03-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127674 91177308-0d34-0410-b5e6-96231b3b80d8
* Add C++ global operator {new,new[],delete,delete[]}(unsigned {int,long}) to theNick Lewycky2011-03-15
| | | | | | | | | | | | | | | memory builtins as equivalent to malloc/free. This is different from any attribute we have. For example, you can delete the allocators when their result is unused, but you can't collapse two calls to the same function, even if no global/memory state has changed in between. The noalias return states that the result does not alias any other pointer, but instcombine optimizes malloc() as though the result is non-null for the purpose of eliminating unused pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127673 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a peephole optimization to optimize pairs of bitcasts. e.g.Evan Cheng2011-03-15
| | | | | | | | | | | | | | | | | | | | | | | v2 = bitcast v1 ... v3 = bitcast v2 ... = v3 => v2 = bitcast v1 ... = v1 if v1 and v3 are of in the same register class. bitcast between i32 and fp (and others) are often not nops since they are in different register classes. These bitcast instructions are often left because they are in different basic blocks and cannot be eliminated by dag combine. rdar://9104514 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127668 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9450: Make switch optimization in SimplifyCFG not dependent on the orderingEli Friedman2011-03-15
| | | | | | | | of pointers in an std::map. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127650 91177308-0d34-0410-b5e6-96231b3b80d8
* sext(undef) = 0, because the top bits will all be the same.Evan Cheng2011-03-15
| | | | | | | zext(undef) = 0, because the top bits will be zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127649 91177308-0d34-0410-b5e6-96231b3b80d8
* Enabled disassembler support for AVX instructionsSean Callanan2011-03-15
| | | | | | | | | in the instruction tables and fixed a few bugs that were causing decode conflicts. Rudimentary tests are coming up in the next patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127646 91177308-0d34-0410-b5e6-96231b3b80d8
* X86 table-generator and disassembler support for the AVXSean Callanan2011-03-15
| | | | | | | | | | instruction set. This code adds support for the VEX prefix and for the YMM registers accessible on AVX-enabled architectures. Instruction table support that enables AVX instructions for the disassembler is in an upcoming patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127644 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove getMinusSCEVForExitTest().Andrew Trick2011-03-15
| | | | | | | | This function performed acrobatics to prove no-self-wrap, which we now have for free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127643 91177308-0d34-0410-b5e6-96231b3b80d8
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