Add description of function attribute 'minsize' in LangRef.rst.
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@ -833,6 +833,11 @@ example:
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inlining this function is desirable (such as the "inline" keyword in
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inlining this function is desirable (such as the "inline" keyword in
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C/C++). It is just a hint; it imposes no requirements on the
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C/C++). It is just a hint; it imposes no requirements on the
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inliner.
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inliner.
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``minsize``
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This attribute suggests that optimization passes and code generator
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passes make choices that keep the code size of this function as small
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as possible and perform optimizations that may sacrifice runtime
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performance in order to minimize the size of the generated code.
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``naked``
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``naked``
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This attribute disables prologue / epilogue emission for the
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This attribute disables prologue / epilogue emission for the
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function. This can have very system-specific consequences.
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function. This can have very system-specific consequences.
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@ -877,7 +882,8 @@ example:
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``optsize``
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``optsize``
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This attribute suggests that optimization passes and code generator
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This attribute suggests that optimization passes and code generator
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passes make choices that keep the code size of this function low,
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passes make choices that keep the code size of this function low,
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and otherwise do optimizations specifically to reduce code size.
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and otherwise do optimizations specifically to reduce code size as
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long as they do not significantly impact runtime performance.
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``readnone``
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``readnone``
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On a function, this attribute indicates that the function computes its
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On a function, this attribute indicates that the function computes its
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result (or decides to unwind an exception) based strictly on its arguments,
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result (or decides to unwind an exception) based strictly on its arguments,
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