Remove type conversion nodes converting to the same type.
When optimizing, we ensure these conversions do not reach the
code generators. When not optimizing, we cannot get such situations.
Change-Id: I717247c957667675dc261183019c88efa3a38452
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index 5d3e809..4d70efc 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -1320,6 +1320,7 @@
new (GetGraph()->GetArena()) LocationSummary(conversion, LocationSummary::kNoCall);
Primitive::Type result_type = conversion->GetResultType();
Primitive::Type input_type = conversion->GetInputType();
+ DCHECK_NE(result_type, input_type);
switch (result_type) {
case Primitive::kPrimByte:
switch (input_type) {
@@ -1403,7 +1404,6 @@
case Primitive::kPrimByte:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
- case Primitive::kPrimChar:
// Processing a Dex `int-to-char' instruction.
locations->SetInAt(0, Location::Any());
locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
@@ -1483,6 +1483,7 @@
Location in = locations->InAt(0);
Primitive::Type result_type = conversion->GetResultType();
Primitive::Type input_type = conversion->GetInputType();
+ DCHECK_NE(result_type, input_type);
switch (result_type) {
case Primitive::kPrimByte:
switch (input_type) {
@@ -1590,7 +1591,6 @@
case Primitive::kPrimByte:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
- case Primitive::kPrimChar:
// Processing a Dex `int-to-char' instruction.
if (in.IsRegister()) {
__ movzxw(out.AsRegister<CpuRegister>(), in.AsRegister<CpuRegister>());