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Diffstat (limited to 'docs/LangRef.html')
| -rw-r--r-- | docs/LangRef.html | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index b3d6d52121..bd055edb97 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -1045,6 +1045,7 @@ Memory is allocated, a pointer is returned. '<tt>alloca</tt>'d memory is automa <pre> <result> = load <ty>* <pointer> <i>; yields {ty}:result</i> <result> = load <ty>* <arrayptr>, uint <idx> <i>; yields {ty}:result</i> + <result> = load <ty>* <structptr>{, <idx>}* <i>; yields field type</i> </pre> <h5>Overview:</h5> @@ -1052,9 +1053,9 @@ The '<tt>load</tt>' instruction is used to read from memory.<p> <h5>Arguments:</h5> -There are two forms of the '<tt>load</tt>' instruction: one for reading from a general pointer, and one for reading from a pointer to an array.<p> +There are three forms of the '<tt>load</tt>' instruction: one for reading from a general pointer, one for reading from a pointer to an array, and one for reading from a pointer to a structure.<p> -In the first form, '<tt><ty></tt>' may be any pointer type. If it is a pointer to an array, the first (zeroth) element is read from). In the second form, '<tt><ty></tt>' must be a pointer to an array. No bounds checking is performed on array reads.<p> +In the first form, '<tt><ty></tt>' may be any pointer type. If it is a pointer to an array, the first (zeroth) element is read from). In the second form, '<tt><ty></tt>' must be a pointer to an array. No bounds checking is performed on array reads. In the third form, the pointer must point to a (possibly nested) structure. There shall be one ubyte argument for each level of dereferencing involved.<p> <h5>Semantics:</h5> @@ -1070,7 +1071,7 @@ In the first form, '<tt><ty></tt>' may be any pointer type. If it is a po <a href="#i_store">store</a> [4 x ubyte]* %array, uint 4, ubyte 124 %val = load [4 x ubyte]* %array, uint 4 <i>; yields {ubyte}:val = ubyte 124</i> - + %val = load {{int, float}}* %stptr, 0, 1 <i>; yields {float}:val</i> </pre> @@ -1370,7 +1371,7 @@ more... <address><a href="mailto:sabre@nondot.org">Chris Lattner</a></address> <!-- Created: Tue Jan 23 15:19:28 CST 2001 --> <!-- hhmts start --> -Last modified: Thu May 31 17:36:39 CDT 2001 +Last modified: Mon Jun 11 09:30:45 CDT 2001 <!-- hhmts end --> </font> </body></html> |