summaryrefslogtreecommitdiff
path: root/compiler/optimizing/ssa_phi_elimination.cc
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/optimizing/ssa_phi_elimination.cc')
-rw-r--r--compiler/optimizing/ssa_phi_elimination.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/optimizing/ssa_phi_elimination.cc b/compiler/optimizing/ssa_phi_elimination.cc
index fd30c1bc76..f66a1c8de2 100644
--- a/compiler/optimizing/ssa_phi_elimination.cc
+++ b/compiler/optimizing/ssa_phi_elimination.cc
@@ -19,6 +19,11 @@
namespace art {
void SsaDeadPhiElimination::Run() {
+ MarkDeadPhis();
+ EliminateDeadPhis();
+}
+
+void SsaDeadPhiElimination::MarkDeadPhis() {
// Add to the worklist phis referenced by non-phi instructions.
for (HReversePostOrderIterator it(*graph_); !it.Done(); it.Advance()) {
HBasicBlock* block = it.Current();
@@ -49,7 +54,9 @@ void SsaDeadPhiElimination::Run() {
}
}
}
+}
+void SsaDeadPhiElimination::EliminateDeadPhis() {
// Remove phis that are not live. Visit in post order so that phis
// that are not inputs of loop phis can be removed when they have
// no users left (dead phis might use dead phis).