forked from OSchip/llvm-project
like bswap, the ct* intrinsics require unsigned operands
llvm-svn: 25373
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Chris Lattner
parent
b748c674a9
commit
069b5bda5a
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@ -147,8 +147,8 @@
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<li><a href="#i_memcpy">'<tt>llvm.memcpy</tt>' Intrinsic</a></li>
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<li><a href="#i_memmove">'<tt>llvm.memmove</tt>' Intrinsic</a></li>
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<li><a href="#i_memset">'<tt>llvm.memset</tt>' Intrinsic</a></li>
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<li><a href="#i_isunordered">'<tt>llvm.isunordered</tt>' Intrinsic</a></li>
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<li><a href="#i_sqrt">'<tt>llvm.sqrt</tt>' Intrinsic</a></li>
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<li><a href="#i_isunordered">'<tt>llvm.isunordered.*</tt>' Intrinsic</a></li>
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<li><a href="#i_sqrt">'<tt>llvm.sqrt.*</tt>' Intrinsic</a></li>
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</ol>
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</li>
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@ -3429,7 +3429,7 @@ false.
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<!-- _______________________________________________________________________ -->
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<div class="doc_subsubsection">
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<a name="i_sqrt">'<tt>llvm.sqrt</tt>' Intrinsic</a>
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<a name="i_sqrt">'<tt>llvm.sqrt.*</tt>' Intrinsic</a>
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</div>
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<div class="doc_text">
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@ -3485,9 +3485,9 @@ These allow efficient code generation for some algorithms.
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<h5>Syntax:</h5>
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<pre>
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declare ushort %llvm.bswap.i16( ushort <id> )
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declare uint %llvm.bswap.i32( uint <id> )
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declare ulong %llvm.bswap.i64( ulong <id> )
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declare ushort %llvm.bswap.i16(ushort <id>)
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declare uint %llvm.bswap.i32(uint <id>)
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declare ulong %llvm.bswap.i64(ulong <id>)
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</pre>
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<h5>Overview:</h5>
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@ -3501,11 +3501,11 @@ in the target's native byte order.
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<h5>Semantics:</h5>
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<p>
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The llvm.bswap.16 intrinsic returns a ushort value that has the high and low
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byte of the input ushort swapped. Similarly, the llvm.bswap.i32 intrinsic
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The <tt>llvm.bswap.16</tt> intrinsic returns a ushort value that has the high and low
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byte of the input ushort swapped. Similarly, the <tt>llvm.bswap.i32</tt> intrinsic
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returns a uint value that has the four bytes of the input uint swapped, so that
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if the input bytes are numbered 0, 1, 2, 3 then the returned uint will have its
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bytes in 3, 2, 1, 0 order. The llvm.bswap.i64 intrinsic extends this concept
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bytes in 3, 2, 1, 0 order. The <tt>llvm.bswap.i64</tt> intrinsic extends this concept
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to 64 bits.
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</p>
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@ -3520,24 +3520,24 @@ to 64 bits.
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<h5>Syntax:</h5>
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<pre>
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declare sbyte %llvm.ctpop.i8(sbyte <src>)
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declare short %llvm.ctpop.i16(short <src>)
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declare int %llvm.ctpop.i32(int <src>)
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declare long %llvm.ctpop.i64(long <src>)
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declare ubyte %llvm.ctpop.i8 (ubyte <src>)
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declare ushort %llvm.ctpop.i16(ushort <src>)
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declare uint %llvm.ctpop.i32(uint <src>)
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declare ulong %llvm.ctpop.i64(ulong <src>)
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</pre>
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<h5>Overview:</h5>
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<p>
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The '<tt>llvm.ctpop</tt>' family of intrinsics counts the number of ones in a
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variable.
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The '<tt>llvm.ctpop</tt>' family of intrinsics counts the number of bits set in a
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value.
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</p>
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<h5>Arguments:</h5>
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<p>
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The only argument is the value to be counted. The argument may be of any
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integer type. The return type must match the argument type.
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unsigned integer type. The return type must match the argument type.
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</p>
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<h5>Semantics:</h5>
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@ -3556,10 +3556,10 @@ The '<tt>llvm.ctpop</tt>' intrinsic counts the 1's in a variable.
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<h5>Syntax:</h5>
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<pre>
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declare sbyte %llvm.ctlz.i8(sbyte <src>)
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declare short %llvm.ctlz.i16(short <src>)
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declare int %llvm.ctlz.i32(int <src>)
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declare long %llvm.ctlz.i64(long <src>)
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declare ubyte %llvm.ctlz.i8 (ubyte <src>)
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declare ushort %llvm.ctlz.i16(ushort <src>)
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declare uint %llvm.ctlz.i32(uint <src>)
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declare ulong %llvm.ctlz.i64(ulong <src>)
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</pre>
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<h5>Overview:</h5>
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@ -3573,7 +3573,7 @@ leading zeros in a variable.
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<p>
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The only argument is the value to be counted. The argument may be of any
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integer type. The return type must match the argument type.
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unsigned integer type. The return type must match the argument type.
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</p>
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<h5>Semantics:</h5>
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@ -3596,10 +3596,10 @@ of src. For example, <tt>llvm.cttz(int 2) = 30</tt>.
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<h5>Syntax:</h5>
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<pre>
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declare sbyte %llvm.cttz.i8(sbyte <src>)
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declare short %llvm.cttz.i16(short <src>)
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declare int %llvm.cttz.i32(int <src>)
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declare long %llvm.cttz.i64(long <src>)
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declare ubyte %llvm.cttz.i8 (ubyte <src>)
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declare ushort %llvm.cttz.i16(ushort <src>)
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declare uint %llvm.cttz.i32(uint <src>)
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declare ulong %llvm.cttz.i64(ulong <src>)
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</pre>
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<h5>Overview:</h5>
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@ -3613,7 +3613,7 @@ trailing zeros.
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<p>
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The only argument is the value to be counted. The argument may be of any
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integer type. The return type must match the argument type.
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unsigned integer type. The return type must match the argument type.
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</p>
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<h5>Semantics:</h5>
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