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Correct 'teh' and other typos / repeated words.
Patch by Eitan Adler. Differential Revision: http://reviews.llvm.org/D8514 llvm-svn: 234939
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@ -208,7 +208,7 @@ point---a simple binary search may not be sufficient, as transformations that
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interact may require isolating more than one call. In TargetLowering, use
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interact may require isolating more than one call. In TargetLowering, use
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``return SDNode();`` instead of ``return false;``.
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``return SDNode();`` instead of ``return false;``.
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Now that that the number of transformations is down to a manageable number, try
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Now that the number of transformations is down to a manageable number, try
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examining the output to see if you can figure out which transformations are
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examining the output to see if you can figure out which transformations are
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being done. If that can be figured out, then do the usual debugging. If which
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being done. If that can be figured out, then do the usual debugging. If which
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code corresponds to the transformation being performed isn't obvious, set a
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code corresponds to the transformation being performed isn't obvious, set a
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@ -3370,7 +3370,7 @@ instructions (loads, stores, memory-accessing calls, etc.) that carry
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``noalias`` metadata can specifically be specified not to alias with some other
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``noalias`` metadata can specifically be specified not to alias with some other
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collection of memory access instructions that carry ``alias.scope`` metadata.
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collection of memory access instructions that carry ``alias.scope`` metadata.
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Each type of metadata specifies a list of scopes where each scope has an id and
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Each type of metadata specifies a list of scopes where each scope has an id and
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a domain. When evaluating an aliasing query, if for some some domain, the set
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a domain. When evaluating an aliasing query, if for some domain, the set
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of scopes with that domain in one instruction's ``alias.scope`` list is a
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of scopes with that domain in one instruction's ``alias.scope`` list is a
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subset of (or equal to) the set of scopes for that domain in another
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subset of (or equal to) the set of scopes for that domain in another
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instruction's ``noalias`` list, then the two memory accesses are assumed not to
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instruction's ``noalias`` list, then the two memory accesses are assumed not to
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@ -6577,7 +6577,7 @@ Arguments:
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""""""""""
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""""""""""
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The '``ptrtoint``' instruction takes a ``value`` to cast, which must be
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The '``ptrtoint``' instruction takes a ``value`` to cast, which must be
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a a value of type :ref:`pointer <t_pointer>` or a vector of pointers, and a
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a value of type :ref:`pointer <t_pointer>` or a vector of pointers, and a
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type to cast it to ``ty2``, which must be an :ref:`integer <t_integer>` or
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type to cast it to ``ty2``, which must be an :ref:`integer <t_integer>` or
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a vector of integers type.
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a vector of integers type.
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@ -940,7 +940,7 @@ There are a variety of ways to pass around and use strings in C and C++, and
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LLVM adds a few new options to choose from. Pick the first option on this list
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LLVM adds a few new options to choose from. Pick the first option on this list
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that will do what you need, they are ordered according to their relative cost.
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that will do what you need, they are ordered according to their relative cost.
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Note that is is generally preferred to *not* pass strings around as ``const
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Note that it is generally preferred to *not* pass strings around as ``const
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char*``'s. These have a number of problems, including the fact that they
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char*``'s. These have a number of problems, including the fact that they
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cannot represent embedded nul ("\0") characters, and do not have a length
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cannot represent embedded nul ("\0") characters, and do not have a length
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available efficiently. The general replacement for '``const char*``' is
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available efficiently. The general replacement for '``const char*``' is
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@ -2651,7 +2651,7 @@ Important Derived Types
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Subclass of SequentialType for vector types. A vector type is similar to an
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Subclass of SequentialType for vector types. A vector type is similar to an
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ArrayType but is distinguished because it is a first class type whereas
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ArrayType but is distinguished because it is a first class type whereas
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ArrayType is not. Vector types are used for vector operations and are usually
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ArrayType is not. Vector types are used for vector operations and are usually
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small vectors of of an integer or floating point type.
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small vectors of an integer or floating point type.
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``StructType``
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``StructType``
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Subclass of DerivedTypes for struct types.
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Subclass of DerivedTypes for struct types.
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@ -366,7 +366,7 @@ The decision to unroll the loop depends on the register pressure and the generat
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Performance
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Performance
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-----------
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-----------
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This section shows the the execution time of Clang on a simple benchmark:
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This section shows the execution time of Clang on a simple benchmark:
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`gcc-loops <http://llvm.org/viewvc/llvm-project/test-suite/trunk/SingleSource/UnitTests/Vectorizer/>`_.
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`gcc-loops <http://llvm.org/viewvc/llvm-project/test-suite/trunk/SingleSource/UnitTests/Vectorizer/>`_.
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This benchmarks is a collection of loops from the GCC autovectorization
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This benchmarks is a collection of loops from the GCC autovectorization
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`page <http://gcc.gnu.org/projects/tree-ssa/vectorization.html>`_ by Dorit Nuzman.
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`page <http://gcc.gnu.org/projects/tree-ssa/vectorization.html>`_ by Dorit Nuzman.
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@ -332,7 +332,7 @@ as a field type:
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}
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}
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};
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};
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When reading YAML, if the string found does not match any of the the strings
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When reading YAML, if the string found does not match any of the strings
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specified by enumCase() methods, an error is automatically generated.
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specified by enumCase() methods, an error is automatically generated.
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When writing YAML, if the value being written does not match any of the values
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When writing YAML, if the value being written does not match any of the values
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specified by the enumCase() methods, a runtime assertion is triggered.
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specified by the enumCase() methods, a runtime assertion is triggered.
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@ -767,7 +767,7 @@ add "static const bool flow = true;". For instance:
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};
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};
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With the above, if you used MyList as the data type in your native data
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With the above, if you used MyList as the data type in your native data
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structures, then then when converted to YAML, a flow sequence of integers
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structures, then when converted to YAML, a flow sequence of integers
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will be used (e.g. [ 10, -3, 4 ]).
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will be used (e.g. [ 10, -3, 4 ]).
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@ -254,7 +254,7 @@ In `Chapter 7 <LangImpl7.html>`_ of this tutorial ("mutable variables"),
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we'll talk about #1 in depth. For now, just believe me that you don't
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we'll talk about #1 in depth. For now, just believe me that you don't
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need SSA construction to handle this case. For #2, you have the choice
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need SSA construction to handle this case. For #2, you have the choice
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of using the techniques that we will describe for #1, or you can insert
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of using the techniques that we will describe for #1, or you can insert
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Phi nodes directly, if convenient. In this case, it is really really
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Phi nodes directly, if convenient. In this case, it is really
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easy to generate the Phi node, so we choose to do it directly.
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easy to generate the Phi node, so we choose to do it directly.
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Okay, enough of the motivation and overview, lets generate code!
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Okay, enough of the motivation and overview, lets generate code!
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@ -632,7 +632,7 @@ own local variables, lets add this next!
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User-defined Local Variables
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User-defined Local Variables
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============================
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============================
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Adding var/in is just like any other other extensions we made to
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Adding var/in is just like any other extension we made to
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Kaleidoscope: we extend the lexer, the parser, the AST and the code
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Kaleidoscope: we extend the lexer, the parser, the AST and the code
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generator. The first step for adding our new 'var/in' construct is to
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generator. The first step for adding our new 'var/in' construct is to
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extend the lexer. As before, this is pretty trivial, the code looks like
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extend the lexer. As before, this is pretty trivial, the code looks like
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@ -61,7 +61,7 @@ char OptionKey<ValT, Base, Mem>::ID = 0;
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/// The OptionRegistry is responsible for managing lifetimes of the options and
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/// The OptionRegistry is responsible for managing lifetimes of the options and
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/// provides interfaces for option registration and reading values from options.
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/// provides interfaces for option registration and reading values from options.
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/// This object is a singleton, only one instance should ever exist so that all
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/// This object is a singleton, only one instance should ever exist so that all
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/// options are registered in teh same place.
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/// options are registered in the same place.
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class OptionRegistry {
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class OptionRegistry {
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private:
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private:
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DenseMap<void *, cl::Option *> Options;
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DenseMap<void *, cl::Option *> Options;
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@ -277,7 +277,7 @@ This will generate the following instruction sequence:
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This will almost certainly cause a load-hit-store hazard.
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This will almost certainly cause a load-hit-store hazard.
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Since val is a value parameter, it should not need to be saved onto
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Since val is a value parameter, it should not need to be saved onto
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the stack, unless it's being done set up the vector register. Instead,
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the stack, unless it's being done set up the vector register. Instead,
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it would be better to splat teh value into a vector register, and then
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it would be better to splat the value into a vector register, and then
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remove the (dead) stores to the stack.
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remove the (dead) stores to the stack.
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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