[llvm-commits] [llvm] r57500 - /llvm/trunk/docs/LangRef.html
Dan Gohman
gohman at apple.com
Tue Oct 14 09:51:45 PDT 2008
Author: djg
Date: Tue Oct 14 11:51:45 2008
New Revision: 57500
URL: http://llvm.org/viewvc/llvm-project?rev=57500&view=rev
Log:
Fix missing end tags and invalid HTML entity syntax.
Modified:
llvm/trunk/docs/LangRef.html
Modified: llvm/trunk/docs/LangRef.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.html?rev=57500&r1=57499&r2=57500&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.html (original)
+++ llvm/trunk/docs/LangRef.html Tue Oct 14 11:51:45 2008
@@ -24,7 +24,7 @@
<li><a href="#callingconv">Calling Conventions</a></li>
<li><a href="#globalvars">Global Variables</a></li>
<li><a href="#functionstructure">Functions</a></li>
- <li><a href="#aliasstructure">Aliases</a>
+ <li><a href="#aliasstructure">Aliases</a></li>
<li><a href="#paramattrs">Parameter Attributes</a></li>
<li><a href="#fnattrs">Function Attributes</a></li>
<li><a href="#gc">Garbage Collector Names</a></li>
@@ -58,16 +58,16 @@
</li>
<li><a href="#constants">Constants</a>
<ol>
- <li><a href="#simpleconstants">Simple Constants</a>
- <li><a href="#aggregateconstants">Aggregate Constants</a>
- <li><a href="#globalconstants">Global Variable and Function Addresses</a>
- <li><a href="#undefvalues">Undefined Values</a>
- <li><a href="#constantexprs">Constant Expressions</a>
+ <li><a href="#simpleconstants">Simple Constants</a></li>
+ <li><a href="#aggregateconstants">Aggregate Constants</a></li>
+ <li><a href="#globalconstants">Global Variable and Function Addresses</a></li>
+ <li><a href="#undefvalues">Undefined Values</a></li>
+ <li><a href="#constantexprs">Constant Expressions</a></li>
</ol>
</li>
<li><a href="#othervalues">Other Values</a>
<ol>
- <li><a href="#inlineasm">Inline Assembler Expressions</a>
+ <li><a href="#inlineasm">Inline Assembler Expressions</a></li>
</ol>
</li>
<li><a href="#instref">Instruction Reference</a>
@@ -143,6 +143,7 @@
<li><a href="#i_inttoptr">'<tt>inttoptr .. to</tt>' Instruction</a></li>
<li><a href="#i_bitcast">'<tt>bitcast .. to</tt>' Instruction</a></li>
</ol>
+ </li>
<li><a href="#otherops">Other Operations</a>
<ol>
<li><a href="#i_icmp">'<tt>icmp</tt>' Instruction</a></li>
@@ -327,7 +328,7 @@
<p>LLVM identifiers come in two basic types: global and local. Global
identifiers (functions, global variables) begin with the @ character. Local
identifiers (register names, types) begin with the % character. Additionally,
- there are three different formats for identifiers, for different purposes:
+ there are three different formats for identifiers, for different purposes:</p>
<ol>
<li>Named values are represented as a string of characters with their prefix.
@@ -571,7 +572,7 @@
to have any linkage type other than "externally visible", <tt>dllimport</tt>,
or <tt>extern_weak</tt>.</p>
<p>Aliases can have only <tt>external</tt>, <tt>internal</tt> and <tt>weak</tt>
-linkages.
+linkages.</p>
</div>
<!-- ======================================================================= -->
@@ -1077,7 +1078,7 @@
<li><tt>a0:0:1</tt> - aggregates are 8-bit aligned</li>
</ul>
<p>When LLVM is determining the alignment for a given type, it uses the
-following rules:
+following rules:</p>
<ol>
<li>If the type sought is an exact match for one of the specifications, that
specification is used.</li>
@@ -1089,8 +1090,8 @@
i65 and i256 will use the alignment of i64 (largest specified).</li>
<li>If no match is found, and the type sought is a vector type, then the
largest vector type that is smaller than the sought vector type will be used
- as a fall back. This happens because <128 x double> can be implemented in
- terms of 64 <2 x double>, for example.</li>
+ as a fall back. This happens because <128 x double> can be implemented
+ in terms of 64 <2 x double>, for example.</li>
</ol>
</div>
@@ -1800,7 +1801,7 @@
<dt><b><tt>extractelement ( VAL, IDX )</tt></b></dt>
<dd>Perform the <a href="#i_extractelement">extractelement
- operation</a> on constants.
+ operation</a> on constants.</dd>
<dt><b><tt>insertelement ( VAL, ELT, IDX )</tt></b></dt>
@@ -1955,7 +1956,7 @@
href="#i_invoke"><tt>invoke</tt></a>" instruction, execution continues
at the beginning of the "normal" destination block. If the instruction
returns a value, that value shall set the call or invoke instruction's
-return value.
+return value.</p>
<h5>Example:</h5>
@@ -2072,7 +2073,7 @@
"<tt><a href="#i_ret">ret</a></tt>" instruction, control flow will return to the
"normal" label. If the callee (or any indirect callees) returns with the "<a
href="#i_unwind"><tt>unwind</tt></a>" instruction, control is interrupted and
-continued at the dynamically nearest "exception" label.
+continued at the dynamically nearest "exception" label.</p>
<h5>Arguments:</h5>
@@ -3066,6 +3067,7 @@
'<tt><a href="#i_getelementptr">getelementptr</a></tt>' instruction.
The value to insert must have the same type as the value identified
by the indices.
+</p>
<h5>Semantics:</h5>
@@ -3430,7 +3432,7 @@
<i>; yields [12 x i8]*:aptr</i>
%aptr = getelementptr {i32, [12 x i8]}* %saptr, i64 0, i32 1
<i>; yields i8*:vptr</i>
- %vptr = getelementptr {i32, <2 x i8>}* %svptr, i64 0, i32 1, i32 1
+ %vptr = getelementptr {i32, <2 x i8>}* %svptr, i64 0, i32 1, i32 1
<i>; yields i8*:eptr</i>
%eptr = getelementptr [12 x i8]* %aptr, i64 0, i32 1
</pre>
@@ -3734,7 +3736,7 @@
<h5>Example:</h5>
<pre>
%X = uitofp i32 257 to float <i>; yields float:257.0</i>
- %Y = uitofp i8 -1 to double <i>; yields double:255.0</i>
+ %Y = uitofp i8 -1 to double <i>; yields double:255.0</i>
</pre>
</div>
@@ -3768,7 +3770,7 @@
<h5>Example:</h5>
<pre>
%X = sitofp i32 257 to float <i>; yields float:257.0</i>
- %Y = sitofp i8 -1 to double <i>; yields double:-1.0</i>
+ %Y = sitofp i8 -1 to double <i>; yields double:-1.0</i>
</pre>
</div>
@@ -3790,7 +3792,7 @@
<h5>Arguments:</h5>
<p>The '<tt>ptrtoint</tt>' instruction takes a <tt>value</tt> to cast, which
must be a <a href="#t_pointer">pointer</a> value, and a type to cast it to
-<tt>ty2</tt>, which must be an <a href="#t_integer">integer</a> type.
+<tt>ty2</tt>, which must be an <a href="#t_integer">integer</a> type.</p>
<h5>Semantics:</h5>
<p>The '<tt>ptrtoint</tt>' instruction converts <tt>value</tt> to integer type
@@ -3826,7 +3828,7 @@
<h5>Arguments:</h5>
<p>The '<tt>inttoptr</tt>' instruction takes an <a href="#t_integer">integer</a>
value to cast, and a type to cast it to, which must be a
-<a href="#t_pointer">pointer</a> type.
+<a href="#t_pointer">pointer</a> type.</p>
<h5>Semantics:</h5>
<p>The '<tt>inttoptr</tt>' instruction converts <tt>value</tt> to type
@@ -3884,7 +3886,7 @@
<pre>
%X = bitcast i8 255 to i8 <i>; yields i8 :-1</i>
%Y = bitcast i32* %x to sint* <i>; yields sint*:%x</i>
- %Z = bitcast <2xint> %V to i64; <i>; yields i64: %V</i>
+ %Z = bitcast <2 x int> %V to i64; <i>; yields i64: %V</i>
</pre>
</div>
@@ -3900,7 +3902,7 @@
</div>
<div class="doc_text">
<h5>Syntax:</h5>
-<pre> <result> = icmp <cond> <ty> <op1>, <op2> <i>; yields {i1} or {<N x i1>}:result</i>
+<pre> <result> = icmp <cond> <ty> <op1>, <op2> <i>; yields {i1} or {<N x i1>}:result</i>
</pre>
<h5>Overview:</h5>
<p>The '<tt>icmp</tt>' instruction returns a boolean value or
@@ -3910,6 +3912,7 @@
<p>The '<tt>icmp</tt>' instruction takes three operands. The first operand is
the condition code indicating the kind of comparison to perform. It is not
a value, just a keyword. The possible condition code are:
+</p>
<ol>
<li><tt>eq</tt>: equal</li>
<li><tt>ne</tt>: not equal </li>
@@ -3930,12 +3933,13 @@
<p>The '<tt>icmp</tt>' compares <tt>op1</tt> and <tt>op2</tt> according to
the condition code given as <tt>cond</tt>. The comparison performed always
yields either an <a href="#t_primitive"><tt>i1</tt></a> or vector of <tt>i1</tt> result, as follows:
+</p>
<ol>
<li><tt>eq</tt>: yields <tt>true</tt> if the operands are equal,
<tt>false</tt> otherwise. No sign interpretation is necessary or performed.
</li>
<li><tt>ne</tt>: yields <tt>true</tt> if the operands are unequal,
- <tt>false</tt> otherwise. No sign interpretation is necessary or performed.
+ <tt>false</tt> otherwise. No sign interpretation is necessary or performed.</li>
<li><tt>ugt</tt>: interprets the operands as unsigned values and yields
<tt>true</tt> if <tt>op1</tt> is greater than <tt>op2</tt>.</li>
<li><tt>uge</tt>: interprets the operands as unsigned values and yields
@@ -3976,12 +3980,12 @@
</div>
<div class="doc_text">
<h5>Syntax:</h5>
-<pre> <result> = fcmp <cond> <ty> <op1>, <op2> <i>; yields {i1} or {<N x i1>}:result</i>
+<pre> <result> = fcmp <cond> <ty> <op1>, <op2> <i>; yields {i1} or {<N x i1>}:result</i>
</pre>
<h5>Overview:</h5>
<p>The '<tt>fcmp</tt>' instruction returns a boolean value
or vector of boolean values based on comparison
-of its operands.
+of its operands.</p>
<p>
If the operands are floating point scalars, then the result
type is a boolean (<a href="#t_primitive"><tt>i1</tt></a>).
@@ -3992,7 +3996,7 @@
<h5>Arguments:</h5>
<p>The '<tt>fcmp</tt>' instruction takes three operands. The first operand is
the condition code indicating the kind of comparison to perform. It is not
-a value, just a keyword. The possible condition code are:
+a value, just a keyword. The possible condition code are:</p>
<ol>
<li><tt>false</tt>: no comparison, always returns false</li>
<li><tt>oeq</tt>: ordered and equal</li>
@@ -4023,7 +4027,7 @@
If the operands are vectors, then the vectors are compared
element by element.
Each comparison performed
-always yields an <a href="#t_primitive">i1</a> result, as follows:
+always yields an <a href="#t_primitive">i1</a> result, as follows:</p>
<ol>
<li><tt>false</tt>: always yields <tt>false</tt>, regardless of operands.</li>
<li><tt>oeq</tt>: yields <tt>true</tt> if both operands are not a QNAN and
@@ -4077,7 +4081,7 @@
<h5>Arguments:</h5>
<p>The '<tt>vicmp</tt>' instruction takes three operands. The first operand is
the condition code indicating the kind of comparison to perform. It is not
-a value, just a keyword. The possible condition code are:
+a value, just a keyword. The possible condition code are:</p>
<ol>
<li><tt>eq</tt>: equal</li>
<li><tt>ne</tt>: not equal </li>
@@ -4100,7 +4104,7 @@
element is 1 if the element-wise comparison evaluates to true, and is 0
otherwise. All other bits of the result are undefined. The condition codes
are evaluated identically to the <a href="#i_icmp">'<tt>icmp</tt>'
-instruction</a>.
+instruction</a>.</p>
<h5>Example:</h5>
<pre>
@@ -4123,7 +4127,7 @@
<h5>Arguments:</h5>
<p>The '<tt>vfcmp</tt>' instruction takes three operands. The first operand is
the condition code indicating the kind of comparison to perform. It is not
-a value, just a keyword. The possible condition code are:
+a value, just a keyword. The possible condition code are:</p>
<ol>
<li><tt>false</tt>: no comparison, always returns false</li>
<li><tt>oeq</tt>: ordered and equal</li>
@@ -4154,7 +4158,7 @@
significant bit in each element is 1 if the element-wise comparison evaluates to
true, and is 0 otherwise. All other bits of the result are undefined. The
condition codes are evaluated identically to the
-<a href="#i_fcmp">'<tt>fcmp</tt>' instruction</a>.
+<a href="#i_fcmp">'<tt>fcmp</tt>' instruction</a>.</p>
<h5>Example:</h5>
<pre>
@@ -4219,7 +4223,7 @@
<pre>
<result> = select <i>selty</i> <cond>, <ty> <val1>, <ty> <val2> <i>; yields ty</i>
- <i>selty</i> is either i1 or {<N x i1>}
+ <i>selty</i> is either i1 or {<N x i1>}
</pre>
<h5>Overview:</h5>
@@ -4287,12 +4291,12 @@
any allocas or varargs in the caller. If the "tail" marker is present, the
function call is eligible for tail call optimization. Note that calls may
be marked "tail" even if they do not occur before a <a
- href="#i_ret"><tt>ret</tt></a> instruction.
+ href="#i_ret"><tt>ret</tt></a> instruction.</p>
</li>
<li>
<p>The optional "cconv" marker indicates which <a href="#callingconv">calling
convention</a> the call should use. If none is specified, the call defaults
- to using C calling conventions.
+ to using C calling conventions.</p>
</li>
<li>
@@ -4339,7 +4343,7 @@
the specified values. Upon a '<tt><a href="#i_ret">ret</a></tt>'
instruction in the called function, control flow continues with the
instruction after the function call, and the return value of the
-function is bound to the result argument.
+function is bound to the result argument.</p>
<h5>Example:</h5>
@@ -4519,17 +4523,17 @@
<h5>Syntax:</h5>
<pre> declare void %llvm.va_start(i8* <arglist>)<br></pre>
<h5>Overview:</h5>
-<P>The '<tt>llvm.va_start</tt>' intrinsic initializes
+<p>The '<tt>llvm.va_start</tt>' intrinsic initializes
<tt>*<arglist></tt> for subsequent use by <tt><a
href="#i_va_arg">va_arg</a></tt>.</p>
<h5>Arguments:</h5>
-<P>The argument is a pointer to a <tt>va_list</tt> element to initialize.</p>
+<p>The argument is a pointer to a <tt>va_list</tt> element to initialize.</p>
<h5>Semantics:</h5>
-<P>The '<tt>llvm.va_start</tt>' intrinsic works just like the <tt>va_start</tt>
+<p>The '<tt>llvm.va_start</tt>' intrinsic works just like the <tt>va_start</tt>
macro available in C. In a target-dependent way, it initializes the
<tt>va_list</tt> element to which the argument points, so that the next call to
<tt>va_arg</tt> will produce the first variable argument passed to the function.
@@ -5209,7 +5213,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.sqrt</tt> on any
floating point or vector of floating point type. Not all targets support all
-types however.
+types however.</p>
<pre>
declare float @llvm.sqrt.f32(float %Val)
declare double @llvm.sqrt.f64(double %Val)
@@ -5253,7 +5257,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.powi</tt> on any
floating point or vector of floating point type. Not all targets support all
-types however.
+types however.</p>
<pre>
declare float @llvm.powi.f32(float %Val, i32 %power)
declare double @llvm.powi.f64(double %Val, i32 %power)
@@ -5295,7 +5299,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.sin</tt> on any
floating point or vector of floating point type. Not all targets support all
-types however.
+types however.</p>
<pre>
declare float @llvm.sin.f32(float %Val)
declare double @llvm.sin.f64(double %Val)
@@ -5334,7 +5338,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.cos</tt> on any
floating point or vector of floating point type. Not all targets support all
-types however.
+types however.</p>
<pre>
declare float @llvm.cos.f32(float %Val)
declare double @llvm.cos.f64(double %Val)
@@ -5373,7 +5377,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.pow</tt> on any
floating point or vector of floating point type. Not all targets support all
-types however.
+types however.</p>
<pre>
declare float @llvm.pow.f32(float %Val, float %Power)
declare double @llvm.pow.f64(double %Val, double %Power)
@@ -5428,7 +5432,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic function. You can use bswap on any integer
-type that is an even number of bytes (i.e. BitWidth % 16 == 0).
+type that is an even number of bytes (i.e. BitWidth % 16 == 0).</p>
<pre>
declare i16 @llvm.bswap.i16(i16 <id>)
declare i32 @llvm.bswap.i32(i32 <id>)
@@ -5467,7 +5471,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use llvm.ctpop on any integer bit
-width. Not all targets support all bit widths however.
+width. Not all targets support all bit widths however.</p>
<pre>
declare i8 @llvm.ctpop.i8 (i8 <src>)
declare i16 @llvm.ctpop.i16(i16 <src>)
@@ -5506,7 +5510,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.ctlz</tt> on any
-integer bit width. Not all targets support all bit widths however.
+integer bit width. Not all targets support all bit widths however.</p>
<pre>
declare i8 @llvm.ctlz.i8 (i8 <src>)
declare i16 @llvm.ctlz.i16(i16 <src>)
@@ -5549,7 +5553,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.cttz</tt> on any
-integer bit width. Not all targets support all bit widths however.
+integer bit width. Not all targets support all bit widths however.</p>
<pre>
declare i8 @llvm.cttz.i8 (i8 <src>)
declare i16 @llvm.cttz.i16(i16 <src>)
@@ -5590,7 +5594,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.part.select</tt>
-on any integer bit width.
+on any integer bit width.</p>
<pre>
declare i17 @llvm.part.select.i17 (i17 %val, i32 %loBit, i32 %hiBit)
declare i29 @llvm.part.select.i29 (i29 %val, i32 %loBit, i32 %hiBit)
@@ -5620,7 +5624,7 @@
<li>The <tt>%loBits</tt> value is subtracted from the <tt>%hiBits</tt> value
to determine the number of bits to retain.</li>
<li>A mask of the retained bits is created by shifting a -1 value.</li>
- <li>The mask is ANDed with <tt>%val</tt> to produce the result.
+ <li>The mask is ANDed with <tt>%val</tt> to produce the result.</li>
</ol>
<p>In reverse mode, a similar computation is made except that the bits are
returned in the reverse order. So, for example, if <tt>X</tt> has the value
@@ -5637,7 +5641,7 @@
<h5>Syntax:</h5>
<p>This is an overloaded intrinsic. You can use <tt>llvm.part.set</tt>
-on any integer bit width.
+on any integer bit width.</p>
<pre>
declare i17 @llvm.part.set.i17.i9 (i17 %val, i9 %repl, i32 %lo, i32 %hi)
declare i29 @llvm.part.set.i29.i9 (i29 %val, i9 %repl, i32 %lo, i32 %hi)
@@ -5666,10 +5670,10 @@
<p>In forward mode, the bits between <tt>%lo</tt> and <tt>%hi</tt> (inclusive)
are replaced with corresponding bits from <tt>%repl</tt>. That is the 0th bit
in <tt>%repl</tt> replaces the <tt>%lo</tt>th bit in <tt>%val</tt> and etc. up
-to the <tt>%hi</tt>th bit.
+to the <tt>%hi</tt>th bit.</p>
<p>In reverse mode, a similar computation is made except that the bits are
reversed. That is, the <tt>0</tt>th bit in <tt>%repl</tt> replaces the
-<tt>%hi</tt> bit in <tt>%val</tt> and etc. down to the <tt>%lo</tt>th bit.
+<tt>%hi</tt> bit in <tt>%val</tt> and etc. down to the <tt>%lo</tt>th bit.</p>
<h5>Examples:</h5>
<pre>
llvm.part.set(0xFFFF, 0, 4, 7) -> 0xFF0F
@@ -5836,7 +5840,7 @@
<li><tt>ls</tt>: load-store barrier</li>
<li><tt>sl</tt>: store-load barrier</li>
<li><tt>ss</tt>: store-store barrier</li>
- <li><tt>device</tt>: barrier applies to device and uncached memory also.
+ <li><tt>device</tt>: barrier applies to device and uncached memory also.</li>
</ul>
<h5>Semantics:</h5>
<p>
@@ -6360,6 +6364,7 @@
with arbitrary strings. This can be useful for special purpose optimizations
that want to look for these annotations. These have no other defined use, they
are ignored by code generation and optimization.
+</p>
</div>
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