Skip null check in MarkGCCard() for known non-null values.
Use GVN's knowledge of non-null values to set a new MIR flag
for IPUT/SPUT/APUT to skip the value null check.
Change-Id: I97a8d1447acb530c9bbbf7b362add366d1486ee1
diff --git a/compiler/dex/quick/gen_common.cc b/compiler/dex/quick/gen_common.cc
index 4dd24cb..d1b8b03 100644
--- a/compiler/dex/quick/gen_common.cc
+++ b/compiler/dex/quick/gen_common.cc
@@ -665,7 +665,7 @@
field_info.IsVolatile() ? kVolatile : kNotVolatile);
}
if (IsRef(size) && !mir_graph_->IsConstantNullRef(rl_src)) {
- MarkGCCard(rl_src.reg, r_base);
+ MarkGCCard(mir->optimization_flags, rl_src.reg, r_base);
}
FreeTemp(r_base);
} else {
@@ -940,7 +940,7 @@
}
MarkPossibleNullPointerExceptionAfter(opt_flags, store);
if (IsRef(size) && !mir_graph_->IsConstantNullRef(rl_src)) {
- MarkGCCard(rl_src.reg, rl_obj.reg);
+ MarkGCCard(opt_flags, rl_src.reg, rl_obj.reg);
}
} else {
QuickEntrypointEnum target;