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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-15 08:20:57 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-15 08:20:57 +0000 |
| commit | a5eaa861e48641916dc40a9be8ade17842ac8d07 (patch) | |
| tree | 659bfa087a09852d1be989448d5b59bf80ae41e9 /docs | |
| parent | ba7c38c36adb65d66c129270b2813fd2167488ed (diff) | |
Add a clarification about merging constants with and without unnamed_addr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123530 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/LangRef.html | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 2121fc6740..5a53c9aed4 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -848,7 +848,10 @@ define i32 @main() { <i>; i32()* </i> <p>Global variables can be marked with <tt>unnamed_addr</tt> which indicates that the address is not significant, only the content. Constants marked - like this can be merged if they have the same content.</p> + like this can be merged with other constants if they have the same + initializer. Note that a constant with significant address <em>can</em> + be merged with a <tt>unnamed_addr</tt> constant, the result being a + constant whose address is significant.</p> <p>A global variable may be declared to reside in a target-specific numbered address space. For targets that support them, address spaces may affect how |