diff options
Diffstat (limited to 'compiler/optimizing/constant_folding.h')
| -rw-r--r-- | compiler/optimizing/constant_folding.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/optimizing/constant_folding.h b/compiler/optimizing/constant_folding.h index 2698b2d690..e0bc6f73dc 100644 --- a/compiler/optimizing/constant_folding.h +++ b/compiler/optimizing/constant_folding.h @@ -26,6 +26,13 @@ namespace art { * Optimization pass performing a simple constant-expression * evaluation on the SSA form. * + * Note that graph simplifications producing a constant should be + * implemented in art::HConstantFolding, while graph simplifications + * not producing constants should be implemented in + * art::InstructionSimplifier. (This convention is a choice that was + * made during the development of these parts of the compiler and is + * not bound by any technical requirement.) + * * This class is named art::HConstantFolding to avoid name * clashes with the art::ConstantPropagation class defined in * compiler/dex/post_opt_passes.h. |