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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/Passes.html | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/Passes.html b/docs/Passes.html index 12a936ad8d..cafa99cf2c 100644 --- a/docs/Passes.html +++ b/docs/Passes.html @@ -167,6 +167,7 @@ perl -e '$/ = undef; for (split(/\n/, <>)) { s:^ *///? ?::; print " <p>\n" if ! <tr><td><a href="#loop-unroll">-loop-unroll</a></td><td>Unroll loops</td></tr> <tr><td><a href="#loop-unswitch">-loop-unswitch</a></td><td>Unswitch loops</td></tr> <tr><td><a href="#loopsimplify">-loopsimplify</a></td><td>Canonicalize natural loops</td></tr> +<tr><td><a href="#loweratomic">-loweratomic</a></td><td>Lower atomic intrinsics</td></tr> <tr><td><a href="#lowerinvoke">-lowerinvoke</a></td><td>Lower invoke and unwind, for unwindless code generators</td></tr> <tr><td><a href="#lowersetjmp">-lowersetjmp</a></td><td>Lower Set Jump</td></tr> <tr><td><a href="#lowerswitch">-lowerswitch</a></td><td>Lower SwitchInst's to branches</td></tr> @@ -1549,6 +1550,24 @@ if (X < 3) {</pre> <!-------------------------------------------------------------------------- --> <div class="doc_subsection"> + <a name="loweratomic">-loweratomic: Lower atomic intrinsics +</div> +<div class="doc_text"> + <p> + This pass lowers atomic intrinsics to non-atomic form for use in a known + non-preemptible environment. + </p> + + <p> + The pass does not verify that the environment is non-preemptible (in + general this would require knowledge of the entire call graph of the + program including any libraries which may not be available in bitcode form); + it simply lowers every atomic intrinsic. + </p> +</div> + +<!-------------------------------------------------------------------------- --> +<div class="doc_subsection"> <a name="lowerinvoke">-lowerinvoke: Lower invoke and unwind, for unwindless code generators</a> </div> <div class="doc_text"> |