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authorAart Bik <ajcbik@google.com>2017-11-21 16:56:28 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2017-11-21 16:56:28 +0000
commit68351ebf5b44989f7ccd75933f1f4093a8d3b670 (patch)
treea0716ffc78d9bd115eca545e70c4ada0facbf3a8 /compiler/optimizing/instruction_simplifier.cc
parentb360bff818ad0bf59668cd2bebaaeeaa8a3b5dfe (diff)
parentcced8ba4245a061ab047a0a6882468d75d619dd9 (diff)
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Merge "ART: Introduce individual HInstruction cloning."
Diffstat (limited to 'compiler/optimizing/instruction_simplifier.cc')
-rw-r--r--compiler/optimizing/instruction_simplifier.cc9
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/optimizing/instruction_simplifier.cc b/compiler/optimizing/instruction_simplifier.cc
index fbfee12be9..4c18e16c48 100644
--- a/compiler/optimizing/instruction_simplifier.cc
+++ b/compiler/optimizing/instruction_simplifier.cc
@@ -27,6 +27,10 @@
namespace art {
+// Whether to run an exhaustive test of individual HInstructions cloning when each instruction
+// is replaced with its copy if it is clonable.
+static constexpr bool kTestInstructionClonerExhaustively = false;
+
class InstructionSimplifierVisitor : public HGraphDelegateVisitor {
public:
InstructionSimplifierVisitor(HGraph* graph,
@@ -130,6 +134,11 @@ class InstructionSimplifierVisitor : public HGraphDelegateVisitor {
};
void InstructionSimplifier::Run() {
+ if (kTestInstructionClonerExhaustively) {
+ CloneAndReplaceInstructionVisitor visitor(graph_);
+ visitor.VisitReversePostOrder();
+ }
+
InstructionSimplifierVisitor visitor(graph_, codegen_, compiler_driver_, stats_);
visitor.Run();
}