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Update of 94055 to track the IR level call site information via an intrinsic.

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This allows code gen and the exception table writer to cooperate to make sure
landing pads are associated with the correct invoke locations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94726 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-01-28 01:45:32 +00:00
parent 4fcd607c56
commit ca752c9020
7 changed files with 84 additions and 8 deletions
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docs/ExceptionHandling.html
+19
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@@ -39,6 +39,7 @@
<li><a href="#llvm_eh_sjlj_setjmp"><tt>llvm.eh.sjlj.setjmp</tt></a></li>
<li><a href="#llvm_eh_sjlj_longjmp"><tt>llvm.eh.sjlj.longjmp</tt></a></li>
<li><a href="#llvm_eh_sjlj_lsda"><tt>llvm.eh.sjlj.lsda</tt></a></li>
<li><a href="#llvm_eh_sjlj_callsite"><tt>llvm.eh.sjlj.callsite</tt></a></li>
</ol></li>
<li><a href="#asm">Asm Table Formats</a>
<ol>
@@ -508,6 +509,24 @@
</div>
<!-- ======================================================================= -->
<div class="doc_subsubsection">
<a name="llvm_eh_sjlj_callsite">llvm.eh.sjlj.callsite</a>
</div>
<div class="doc_text">
<pre>
void %<a href="#llvm_eh_sjlj_callsite">llvm.eh.sjlj.callsite</a>(i32)
</pre>
<p>For SJLJ based exception handling, the <a href="#llvm_eh_sjlj_callsite">
<tt>llvm.eh.sjlj.callsite</tt></a> intrinsic identifies the callsite value
associated with the following invoke instruction. This is used to ensure
that landing pad entries in the LSDA are generated in the matching order.</p>
</div>
<!-- ======================================================================= -->
<div class="doc_section">
<a name="asm">Asm Table Formats</a>