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2011-03-18Add new CrashRecoveryContextCleanup subclass: ↵Ted Kremenek
CrashRecoveryContextDeleteCleanup. This deletes the object, not just calls its destructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Check RequiresNullTerminator first, or we might read from an invalid address.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127853 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Add a target-specific branchless method for double-width relationalEli Friedman
comparisons on x86. Essentially, the way this works is that SUB+SBB sets the relevant flags the same way a double-width CMP would. This is a substantial improvement over the generic lowering in LLVM. The output is also shorter than the gcc-generated output; I haven't done any detailed benchmarking, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Augment CrashRecoveryContext to have registered "cleanup" objects that can ↵Ted Kremenek
be used to release resources during a crash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127849 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Add some svn:ignore properties.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127847 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18FileCheck-ize and update test.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127845 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18The disassembler for Thumb was wrongly adding 4 to the computed imm32 offset.Johnny Chen
Remove the offending logic and update the test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127843 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Remove TargetData and ValueTracking includes. I didn't mean for them to ↵Andrew Trick
sneak in my last checkin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17There are two pseudos in this case that are Thumb mode, not one.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127840 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Added isValidRewrite() to check the result of ScalarEvolutionExpander.Andrew Trick
SCEV may generate expressions composed of multiple pointers, which can lead to invalid GEP expansion. Until we can teach SCEV to follow strict pointer rules, make sure no bad GEPs creep into IR. Fixes rdar://problem/9038671. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127839 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127837 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Use RequiresNullTerminator to create buffers without a null terminatorRafael Espindola
instead of copying. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127835 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Try to not lose variable's debug info during instcombine.Devang Patel
This is done by lowering dbg.declare intrinsic into dbg.value intrinsic. Radar 9143931. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127834 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17It used to be that t_addrmode_s4 was used for both:Johnny Chen
o A8.6.195 STR (register) -- Encoding T1 o A8.6.193 STR (immediate, Thumb) -- Encoding T1 It has been changed so that now they use different addressing modes and thus different MC representation (Operand Infos). Modify the disassembler to reflect the change, and add relevant tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Refactor into a separate utility function.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127832 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17BuildUDIV: If the divisor is even we can simplify the fixup of the ↵Benjamin Kramer
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
2011-03-17Add an argument to APInt's magic udiv calculation to specify the number of ↵Benjamin Kramer
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
2011-03-17Dead code elimination may separate the live interval into multiple connected ↵Jakob Stoklund Olesen
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
2011-03-17Reapply: Add type output to llvm-dis annotations. Patch by Yuri!Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127824 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Add XCore intrinsic for setpsc.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127821 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Revert 127813 while fixing broken test.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Add type output to llvm-dis. Patch by Yuri!Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17MC/Mach-O: Fix regression introduced in r126127, this assignment shouldn't haveDaniel Dunbar
been removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Move more logic into getTypeForExtArgOrReturn.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127809 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Change the signext language in LangRef to closer match zeroext.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127808 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Rename getTypeForExtendedInteger() to getTypeForExtArgOrReturn().Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Add comments for the demanglings. Correct mangled form of operator delete!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17test/CodeGen/X86/h-registers-1.ll: Add explicit -mtriple=x86_64-linux. It ↵NAKAMURA Takumi
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
2011-03-17Add "swi" which is an obsolete mnemonic for "svc".Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127788 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17A couple new README entries.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127786 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Add support in the LTO library for loading an object from the middleRafael Espindola
of an file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127781 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-17Fix handling of @IDNTPOFF relocations, they need to get STT_TLS.Joerg Sonnenberger
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
2011-03-17Rewrite instructions as part of ConnectedVNInfoEqClasses::Distribute.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127779 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16test/CodeGen/X86/constant-pool-remat-0.ll: FileCheck-ize and add explicit ↵NAKAMURA Takumi
-mtriple=x86_64-linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127775 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Add a LiveRangeEdit delegate callback before shrinking a live range.Jakob Stoklund Olesen
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
2011-03-16Erase virtual registers that are unused after DCE.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127773 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Tag cached interference with a user-provided tag instead of the virtual ↵Jakob Stoklund Olesen
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
2011-03-16Clarify debugging output.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127771 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16The x86-64 ABI says that a bool is only guaranteed to be sign-extended to a byteCameron Zwarich
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
2011-03-16Rename a test to be more inclusive.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Don't recompute something that we already have in a local variable.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127764 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Revert r127757, "Patch to a fix dwarf relocation problem on ARM. One-line fixDaniel Dunbar
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
2011-03-16Add XCore intrinsics for setclk, setrdy.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Patch to a fix dwarf relocation problem on ARM. One-line fix plus the test ↵Renato Golin
where it used to break. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127757 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16Add a test for i1 zeroext arguments on x86-64. We currently generate code thatCameron Zwarich
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
2011-03-16Add checkevent intrinsic to check if any resources owned by the current threadRichard Osborne
can event. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127741 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16test/CodeGen/X86: FileCheck-ize and add actions for x86_64-linux and ↵NAKAMURA Takumi
x86_64-win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127734 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16test/CodeGen/X86: Add a pattern for Win64.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16test/CodeGen/X86: FileCheck-ize and add explicit -mtriple=x86_64-linux. They ↵NAKAMURA Takumi
are useless to Win64 target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127732 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-16test/CodeGen/X86/byval*.ll: Win64 has not supported byval yet.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127731 91177308-0d34-0410-b5e6-96231b3b80d8
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