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Some clarifications suggested by Jon Sargeant

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49963 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2008-04-19 21:01:16 +00:00
parent bcd203cf86
commit 72ed200a7e
1 changed files with 12 additions and 8 deletions
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docs/LangRef.html
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@ -2017,7 +2017,7 @@ primarily used to implement exception handling.</p>
<h5>Semantics:</h5>
<p>The '<tt>unwind</tt>' intrinsic causes execution of the current function to
<p>The '<tt>unwind</tt>' instruction causes execution of the current function to
immediately halt. The dynamic call stack is then searched for the first <a
href="#i_invoke"><tt>invoke</tt></a> instruction on the call stack. Once found,
execution continues at the "exceptional" destination block specified by the
@ -2337,7 +2337,8 @@ the left a specified number of bits.</p>
<h5>Arguments:</h5>
<p>Both arguments to the '<tt>shl</tt>' instruction must be the same <a
href="#t_integer">integer</a> type.</p>
href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an
unsigned value.</p>
<h5>Semantics:</h5>
@ -2366,7 +2367,8 @@ operand shifted to the right a specified number of bits with zero fill.</p>
<h5>Arguments:</h5>
<p>Both arguments to the '<tt>lshr</tt>' instruction must be the same
<a href="#t_integer">integer</a> type.</p>
<a href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an
unsigned value.</p>
<h5>Semantics:</h5>
@ -2400,7 +2402,8 @@ operand shifted to the right a specified number of bits with sign extension.</p>
<h5>Arguments:</h5>
<p>Both arguments to the '<tt>ashr</tt>' instruction must be the same
<a href="#t_integer">integer</a> type.</p>
<a href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an
unsigned value.</p>
<h5>Semantics:</h5>
<p>This instruction always performs an arithmetic shift right operation,
@ -2796,8 +2799,8 @@ choose to align the allocation on any convenient boundary.</p>
<h5>Semantics:</h5>
<p>Memory is allocated using the system "<tt>malloc</tt>" function, and
a pointer is returned. Allocating zero bytes is undefined. The result is null
if there is insufficient memory available.</p>
a pointer is returned. The result of a zero byte allocattion is undefined. The
result is null if there is insufficient memory available.</p>
<h5>Example:</h5>
@ -2839,7 +2842,7 @@ instruction.</p>
<h5>Semantics:</h5>
<p>Access to the memory pointed to by the pointer is no longer defined
after this instruction executes. If the pointer is null, the result is
after this instruction executes. If the pointer is null, the behavior is
undefined.</p>
<h5>Example:</h5>
@ -2884,7 +2887,8 @@ can choose to align the allocation on any convenient boundary.</p>
<h5>Semantics:</h5>
<p>Memory is allocated; a pointer is returned. '<tt>alloca</tt>'d
<p>Memory is allocated; a pointer is returned. The operation is undefiend if
there is insufficient stack space for the allocation. '<tt>alloca</tt>'d
memory is automatically released when the function returns. The '<tt>alloca</tt>'
instruction is commonly used to represent automatic variables that must
have an address available. When the function returns (either with the <tt><a