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author | Jeffrey Yasskin <jyasskin@google.com> | 2010-01-11 19:19:26 +0000 |
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committer | Jeffrey Yasskin <jyasskin@google.com> | 2010-01-11 19:19:26 +0000 |
commit | 7a088cf27afa9fc992c1ada05f7df915209c84b4 (patch) | |
tree | b69b51b89878a7149814fabe8b5b64b8f453440b /docs | |
parent | 842091097e869b064460ad38acceb9390c16dd49 (diff) | |
download | llvm-7a088cf27afa9fc992c1ada05f7df915209c84b4.tar.gz llvm-7a088cf27afa9fc992c1ada05f7df915209c84b4.tar.bz2 llvm-7a088cf27afa9fc992c1ada05f7df915209c84b4.tar.xz |
Improve unclear bits and inaccuracies in structure and insertvalue
documentation.
Patch by Dustin Laurence!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93170 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/LangRef.html | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 22a2d16154..bc276ebe92 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -1656,10 +1656,12 @@ Classifications</a> </div> underlying processor. The elements of a structure may be any type that has a size.</p> -<p>Structures are accessed using '<tt><a href="#i_load">load</a></tt> and - '<tt><a href="#i_store">store</a></tt>' by getting a pointer to a field with - the '<tt><a href="#i_getelementptr">getelementptr</a></tt>' instruction.</p> - +<p>Structures in memory are accessed using '<tt><a href="#i_load">load</a></tt>' + and '<tt><a href="#i_store">store</a></tt>' by getting a pointer to a field + with the '<tt><a href="#i_getelementptr">getelementptr</a></tt>' instruction. + Structures in registers are accessed using the + '<tt><a href="#i_extractvalue">extractvalue</a></tt>' and + '<tt><a href="#i_insertvalue">insertvalue</a></tt>' instructions.</p> <h5>Syntax:</h5> <pre> { <type list> } @@ -3858,7 +3860,7 @@ Instruction</a> </div> <h5>Syntax:</h5> <pre> - <result> = insertvalue <aggregate type> <val>, <ty> <val>, <idx> <i>; yields <n x <ty>></i> + <result> = insertvalue <aggregate type> <val>, <ty> <elt>, <idx> <i>; yields <aggregate type></i> </pre> <h5>Overview:</h5> @@ -3883,7 +3885,8 @@ Instruction</a> </div> <h5>Example:</h5> <pre> - <result> = insertvalue {i32, float} %agg, i32 1, 0 <i>; yields {i32, float}</i> + %agg1 = insertvalue {i32, float} undef, i32 1, 0 <i>; yields {i32 1, float undef}</i> + %agg2 = insertvalue {i32, float} %agg1, float %val, 1 <i>; yields {i32 1, float %val}</i> </pre> </div> |