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2012-09-30Change getX86SubSuperRegister to take an MVT::SimpleValueType rather than an ↵Craig Topper
EVT and add llvm_unreachable to the switches. Helps it compile to dramatically better code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-30ArgumentPromotion: Remove ancient workaround for a bug in the C backend.Benjamin Kramer
Fun fact: The CBE learned how to deal with this situation before it was removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164918 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-30Ignore apparent buffer overruns on external or weak globals. This is a majorDuncan Sands
source of false positives due to globals being declared in a header with some kind of incomplete (small) type, but the actual definition being bigger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164912 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-30Revert r164910 because it causes failures to several phase2 builds.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-30A DAGCombine optimization for merging consecutive stores. This optimization ↵Nadav Rotem
is not profitable in many cases because moden processos can store multiple values in parallel, and preparing the consecutive store requires some work. We only handle these cases: 1. Consecutive stores where the values and consecutive loads. For example: int a = p->a; int b = p->b; q->a = a; q->b = b; 2. Consecutive stores where the values are constants. Foe example: q->a = 4; q->b = 5; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add LLVM support for Swift.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Whitespace.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164898 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Shrink TargetAlignElem a bit, we do a lot of searches on them.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Fix a somewhat surprising miscompile where code relying on an ABIChandler Carruth
alignment could lose it due to the alloca type moving down to a much smaller alignment guarantee. Now SROA will actively compute a proper alignment, factoring the target data, any explicit alignment, and the offset within the struct. This will in some cases lower the alignment requirements, but when we lower them below those of the type, we drop the alignment entirely to give freedom to the code generator to align it however is convenient. Thanks to Duncan for the lovely test case that pinned this down. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164891 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Speculatively revert commit 164885 (nadav) in the hope of ressurecting a pile ofDuncan Sands
buildbots. Original commit message: A DAGCombine optimization for merging consecutive stores. This optimization is not profitable in many cases because moden processos can store multiple values in parallel, and preparing the consecutive store requires some work. We only handle these cases: 1. Consecutive stores where the values and consecutive loads. For example: int a = p->a; int b = p->b; q->a = a; q->b = b; 2. Consecutive stores where the values are constants. Foe example: q->a = 4; q->b = 5; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164890 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Tidy up to match coding standards. Remove 'else' after 'return' and moving ↵Craig Topper
operators to end of preceding line. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Replace a couple if/elses around similar calls with conditional operators on ↵Craig Topper
the varying arguments. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29A DAGCombine optimization for merging consecutive stores. This optimization ↵Nadav Rotem
is not profitable in many cases because moden processos can store multiple values in parallel, and preparing the consecutive store requires some work. We only handle these cases: 1. Consecutive stores where the values and consecutive loads. For example: int a = p->a; int b = p->b; q->a = a; q->b = b; 2. Consecutive stores where the values are constants. Foe example: q->a = 4; q->b = 5; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164885 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Remove more LLVM_DELETED_FUNCTIONs from destructors to fix -std=c++11 build ↵Craig Topper
on gcc 4.7. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add test case for r164850.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164867 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Do not delete BBs if their addresses are taken. rdar://12396696Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164866 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Don't use bit-wise operations to query for inclusion/exclusion of attributes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164860 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28GlobalDCE should be run at -O2 / -Os to eliminate unused dtor, etc. ↵Evan Cheng
rdar://9142819 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28MIPS DSP: add operands to make sure instruction strings are being matched.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164849 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Remove unused methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164848 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28docs: dedent list on index.rstSean Silva
In reStructuredText, indented blocks denote block quotes [1]. This list is not a block quote. [1]. http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#block-quotes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164847 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28MIPS DSP: other miscellaneous instructions.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Testcase for r164835Manman Ren
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28MIPS DSP: ADDUH.QB instruction sub-class.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28X86: when replacing SUB with TEST in ISelDAGToDAG, only replace uses of theManman Ren
second output of SUB with first output of TEST. PR13966 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Removing dependency on third party library for Intel JIT event support.Andrew Kaylor
Patch committed on behalf of Kirill Uhanov git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28PackedVector: Make the BitVector implementation configurable.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164826 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Provide malloc-free sentinels for the SparseBitVector internals.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164823 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Replace the use of strncpy() and sprintf() with std::string and LLVM streams.Dmitri Gribenko
Patch by Martinez, Javier E. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164822 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28CorrelatedPropagation: BasicBlock::removePredecessor can simplify PHI nodes. ↵Benjamin Kramer
If the it's the condition of a SwitchInst, reload it. Fixes PR13972. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164818 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Make backtraces work again with both the configure and cmake build.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164817 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28GlobalOpt: non-constexpr bitcasts or GEPs can occur even if the global value ↵Benjamin Kramer
is only stored once. Fixes PR13968. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164815 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Surprisingly, we missed a trivial case here. Fix that!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164814 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Remove a LLVM_DELETED_FUNCTION from destructor to fix -std=c++11 build on ↵Craig Topper
gcc 4.7. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164813 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-281. Add load/store words from the stackReed Kotler
2. As part of this, added assembly format FEXT_RI16_SP_explicit_ins and moved other lines for FEXT_RI16 formats to be in the right place in the code. 3. Added mayLoad and mayStore assignements for the load/store instructions added and for ones already there that did not have this assignment. 4. Another patch will deal with the problem of load/store byte/halfword to the stack. This is a particular Mips16 problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164811 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Remove <def,read-undef> flags from partial redefinitions.Jakob Stoklund Olesen
The new coalescer can turn a full virtual register definition into a partial redef by merging another value into an unused vector lane. Make sure to clear the <read-undef> flag on such defs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164807 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix more crlf issues.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164805 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27instcombine: Add more test cases for __strncpy_chk simplificationMeador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27instcombine: Add more test cases for __strcpy_chk simplificationMeador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27instcombine: Add more test cases for __memmove_chk simplificationMeador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164798 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27instcombine: Add more test cases for __memcpy_chk simplificationMeador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164797 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27instcombine: Add more test cases for __memset_chk simplificationMeador Inge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Enable the new coalescer algorithm by default.Jakob Stoklund Olesen
The new coalescer is better at merging values into unused vector lanes, improving NEON code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164794 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Don't dereference begin() on an empty vector.Jakob Stoklund Olesen
The fix is obvious and the only test case I have is horrible, so I am not including it. The problem shows up when self-hosting clang on i386 with -new-coalescer enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27MIPS DSP: ABSQ_S.PH instruction sub-class.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27MIPS DSP: SHLL.QB instruction sub-class.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164786 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix a integer overflow in SimplifyCFG's look up table formation logic.Benjamin Kramer
If the width is very large it gets truncated from uint64_t to uint32_t when passed to TD->fitsInLegalInteger. The truncated value can fit in a register. This manifested in massive memory usage or crashes (PR13946). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix CRLF issues.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164782 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Avoid dereferencing a NULL pointer.Jakob Stoklund Olesen
Fixes PR13943. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164778 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Patch for HowToBuildOnARM documentation from Wei-Ren Chen.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164776 91177308-0d34-0410-b5e6-96231b3b80d8
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