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authorBill Wendling <isanbard@gmail.com>2008-12-16 19:06:48 +0000
committerBill Wendling <isanbard@gmail.com>2008-12-16 19:06:48 +0000
commit6fa311c2338391b0f332c062b3140c6df139a949 (patch)
tree63dc423c8a0f40da76553a2c95d7fba71ec86851 /docs
parent905ff1ebc4f383088e6af6fc37504cd06ba62b57 (diff)
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Temporarily revert r61019, r61030, and r61040. These were breaking LLVM Release
builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r--docs/AliasAnalysis.html10
-rw-r--r--docs/LangRef.html12
2 files changed, 8 insertions, 14 deletions
diff --git a/docs/AliasAnalysis.html b/docs/AliasAnalysis.html
index 97a813344d..1569fb8e68 100644
--- a/docs/AliasAnalysis.html
+++ b/docs/AliasAnalysis.html
@@ -192,11 +192,11 @@ and returns MustAlias, MayAlias, or NoAlias as appropriate.
<div class="doc_text">
<p>The NoAlias response is used when the two pointers refer to distinct objects,
-regardless of whether the pointers compare equal. For example, freed pointers
-don't alias any pointers that were allocated afterwards. As a degenerate case,
-pointers returned by malloc(0) have no bytes for an object, and are considered
-NoAlias even when malloc returns the same pointer. The same rule applies to
-NULL pointers.</p>
+even regardless of whether the pointers compare equal. For example, freed
+pointers don't alias any pointers that were allocated afterwards. As a
+degenerate case, pointers returned by malloc(0) have no bytes for an object,
+and are considered NoAlias even when malloc returns the same pointer. The same
+rule applies to NULL pointers.</p>
<p>The MayAlias response is used whenever the two pointers might refer to the
same object. If the two memory objects overlap, but do not start at the same
diff --git a/docs/LangRef.html b/docs/LangRef.html
index 95fb8de319..83bd667fac 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -894,15 +894,9 @@ declare signext i8 @returns_signed_char()
parameter. The caller is responsible for ensuring that this is the
case. On a function return value, <tt>noalias</tt> additionally indicates
that the pointer does not alias any other pointers visible to the
- caller. For further details, please see the discussion of the NoAlias
- response in
- <a href="http://llvm.org/docs/AliasAnalysis.html#MustMayNo">alias
- analysis</a>.</dd>
-
- <dt><tt>nocapture</tt></dt>
- <dd>This indicates that the callee does not make any copies of the pointer
- that outlive the callee itself. This is not a valid attribute for return
- values.</dd>
+ caller. Note that this applies only to pointers that can be used to actually
+ load/store a value: NULL, unique pointers from malloc(0), and freed pointers
+ are considered to not alias anything.</dd>
<dt><tt>nest</tt></dt>
<dd>This indicates that the pointer parameter can be excised using the