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author | 2015-08-06 15:46:02 +0100 | |
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committer | 2016-02-17 18:05:40 +0000 | |
commit | 1252e976b972231a84b36e4bb73cf513bb7799d1 (patch) | |
tree | ec1e75f145fd1ebe50f1c411f9338443e65ea715 /compiler/optimizing/instruction_simplifier.h | |
parent | f0b04803ec4cdd8d76aadb6f02ae2511c46b20b5 (diff) |
Implement Optimizing's constant folding as a visitor.
Refactor the logic of art::HConstantFolding::Run into a new
visitor, art::HConstantFoldingVisitor.
Change-Id: Id8d3c3826f6dff6cc2d18a01f6c48d79bde483b3
Diffstat (limited to 'compiler/optimizing/instruction_simplifier.h')
-rw-r--r-- | compiler/optimizing/instruction_simplifier.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/optimizing/instruction_simplifier.h b/compiler/optimizing/instruction_simplifier.h index cc4b6f6adc..7905104ed4 100644 --- a/compiler/optimizing/instruction_simplifier.h +++ b/compiler/optimizing/instruction_simplifier.h @@ -25,6 +25,13 @@ namespace art { /** * Implements optimizations specific to each instruction. + * + * 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.) */ class InstructionSimplifier : public HOptimization { public: |