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* BuildUDIV: If the divisor is even we can simplify the fixup of the ↵Benjamin Kramer2011-03-172-9/+33
| | | | | | | | | | | | | | | | | | | | | | | multiplied value by introducing an early shift. This allows us to compile "unsigned foo(unsigned x) { return x/28; }" into shrl $2, %edi imulq $613566757, %rdi, %rax shrq $32, %rax ret instead of movl %edi, %eax imulq $613566757, %rax, %rcx shrq $32, %rcx subl %ecx, %eax shrl %eax addl %ecx, %eax shrl $4, %eax on x86_64 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127829 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an argument to APInt's magic udiv calculation to specify the number of ↵Benjamin Kramer2011-03-173-3/+7
| | | | | | | | bits that are known zero in the divided number. This will come in handy soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127828 91177308-0d34-0410-b5e6-96231b3b80d8
* Dead code elimination may separate the live interval into multiple connected ↵Jakob Stoklund Olesen2011-03-176-23/+47
| | | | | | | | | components. I have convinced myself that it can only happen when a phi value dies. When it happens, allocate new virtual registers for the components. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127827 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply: Add type output to llvm-dis annotations. Patch by Yuri!Stuart Hastings2011-03-172-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127824 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore intrinsic for setpsc.Richard Osborne2011-03-173-1/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127821 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 127813 while fixing broken test.Stuart Hastings2011-03-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127814 91177308-0d34-0410-b5e6-96231b3b80d8
* Add type output to llvm-dis. Patch by Yuri!Stuart Hastings2011-03-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127813 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Fix regression introduced in r126127, this assignment shouldn't haveDaniel Dunbar2011-03-172-1/+9
| | | | | | 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 Zwarich2011-03-174-15/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127809 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the signext language in LangRef to closer match zeroext.Cameron Zwarich2011-03-171-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127808 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getTypeForExtendedInteger() to getTypeForExtArgOrReturn().Cameron Zwarich2011-03-174-6/+6
| | | | 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 Lewycky2011-03-171-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127801 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/h-registers-1.ll: Add explicit -mtriple=x86_64-linux. It ↵NAKAMURA Takumi2011-03-171-1/+1
| | | | | | does not need to be checked on x86_64-win32 (aka Win64). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127800 91177308-0d34-0410-b5e6-96231b3b80d8
* Add "swi" which is an obsolete mnemonic for "svc".Nick Lewycky2011-03-171-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127788 91177308-0d34-0410-b5e6-96231b3b80d8
* A couple new README entries.Eli Friedman2011-03-171-0/+36
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127786 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support in the LTO library for loading an object from the middleRafael Espindola2011-03-176-42/+45
| | | | | | of an file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127781 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix handling of @IDNTPOFF relocations, they need to get STT_TLS.Joerg Sonnenberger2011-03-172-2/+15
| | | | | | | 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 Olesen2011-03-174-52/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127779 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/constant-pool-remat-0.ll: FileCheck-ize and add explicit ↵NAKAMURA Takumi2011-03-161-4/+12
| | | | | | -mtriple=x86_64-linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127775 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a LiveRangeEdit delegate callback before shrinking a live range.Jakob Stoklund Olesen2011-03-163-1/+19
| | | | | | 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 Olesen2011-03-161-4/+12
| | | | 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 Olesen2011-03-163-7/+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 Olesen2011-03-163-7/+17
| | | | 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 Zwarich2011-03-166-10/+43
| | | | | | | | | | | 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
* Rename a test to be more inclusive.Cameron Zwarich2011-03-161-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127765 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't recompute something that we already have in a local variable.Cameron Zwarich2011-03-161-2/+2
| | | | 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 Dunbar2011-03-162-116/+2
| | | | | | | 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 Osborne2011-03-163-1/+29
| | | | 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 Golin2011-03-162-2/+116
| | | | | | where it used to break. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127757 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test for i1 zeroext arguments on x86-64. We currently generate code thatCameron Zwarich2011-03-161-0/+23
| | | | | | | conforms to the ABI, but DAGCombine could in theory recognize the sequence of zext asserts and truncates and generate incorrect code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127754 91177308-0d34-0410-b5e6-96231b3b80d8
* Add checkevent intrinsic to check if any resources owned by the current threadRichard Osborne2011-03-164-55/+160
| | | | | | | can event. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127741 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86: FileCheck-ize and add actions for x86_64-linux and ↵NAKAMURA Takumi2011-03-1610-24/+54
| | | | | | x86_64-win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127734 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86: Add a pattern for Win64.NAKAMURA Takumi2011-03-167-22/+141
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127733 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86: FileCheck-ize and add explicit -mtriple=x86_64-linux. They ↵NAKAMURA Takumi2011-03-1612-24/+62
| | | | | | are useless to Win64 target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127732 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/byval*.ll: Win64 has not supported byval yet.NAKAMURA Takumi2011-03-165-9/+102
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* test/CodeGen/X86/dyn-stackalloc.ll: FileCheck-ize.NAKAMURA Takumi2011-03-161-3/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127730 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a comment.Cameron Zwarich2011-03-161-3/+3
| | | | 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 Takumi2011-03-161-0/+8
| | | | | | | | 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 Takumi2011-03-161-1/+8
| | | | | | 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 Takumi2011-03-161-1/+11
| | | | | | | | 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 Grosbach2011-03-162-17/+20
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* Do not accidently initialize NumDbgValueLost and NumDbgLineLost counts.Devang Patel2011-03-161-4/+4
| | | | 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 Zwarich2011-03-162-2/+43
| | | | | | | | | | | 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
* Add native integer type TargetData to some existing tests.Cameron Zwarich2011-03-162-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127717 91177308-0d34-0410-b5e6-96231b3b80d8
* Better use initializer lists.Cameron Zwarich2011-03-161-5/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127716 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a clarifying comment.Cameron Zwarich2011-03-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127715 91177308-0d34-0410-b5e6-96231b3b80d8
* Add TargetData::fitsInLegalInteger().Cameron Zwarich2011-03-161-1/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127714 91177308-0d34-0410-b5e6-96231b3b80d8
* There were two issues fixed:Johnny Chen2011-03-152-13/+12
| | | | | | | | | | | | | | | | | 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 Thompson2011-03-152-1/+5
| | | | 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 Wendling2011-03-151-0/+8
| | | | | | | | 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
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