Fix some bugs in graph construction/simplification methods.
Also fix a brano during SSA construction. The code should
not have been commented out. Added a test to cover what the code
intends.
Change-Id: Ia00ae79dcf75eb0d412f07649d73e7f94dbfb6f0
diff --git a/compiler/optimizing/ssa_builder.cc b/compiler/optimizing/ssa_builder.cc
index 1284a97..54c3c5d 100644
--- a/compiler/optimizing/ssa_builder.cc
+++ b/compiler/optimizing/ssa_builder.cc
@@ -102,8 +102,8 @@
for (size_t i = 0, e = block->GetPredecessors().Size(); i < e; ++i) {
HInstruction* current = ValueOfLocal(block->GetPredecessors().Get(i), local);
if (current == nullptr) {
-// one_predecessor_has_no_value = true;
-// break;
+ one_predecessor_has_no_value = true;
+ break;
} else if (current != value) {
is_different = true;
}