Reduce how often we call FindDexCache

Before host boot.oat -j4 optimizing compile:
real  1m17.792s
user  3m26.140s
sys 0m8.340s

After:
real  1m12.324s
user  3m22.718s
sys 0m8.320s

Change-Id: If18e9e79e06cdf1676692e5efacb682bf93889c3

1 files changed, 6 insertions, 4 deletions

diff --git a/compiler/optimizing/licm_test.cc b/compiler/optimizing/licm_test.cc
index 2fc66e6de4..bc4a663b86 100644
--- a/compiler/optimizing/licm_test.cc
+++ b/compiler/optimizing/licm_test.cc
@@ -120,13 +120,14 @@ TEST_F(LICMTest, FieldHoisting) {
   BuildLoop();
 
   // Populate the loop with instructions: set/get field with different types.
+  NullHandle<mirror::DexCache> dex_cache;
   HInstruction* get_field = new (&allocator_) HInstanceFieldGet(
       parameter_, Primitive::kPrimLong, MemberOffset(10),
-      false, kUnknownFieldIndex, graph_->GetDexFile());
+      false, kUnknownFieldIndex, graph_->GetDexFile(), dex_cache);
   loop_body_->InsertInstructionBefore(get_field, loop_body_->GetLastInstruction());
   HInstruction* set_field = new (&allocator_) HInstanceFieldSet(
       parameter_, constant_, Primitive::kPrimInt, MemberOffset(20),
-      false, kUnknownFieldIndex, graph_->GetDexFile());
+      false, kUnknownFieldIndex, graph_->GetDexFile(), dex_cache);
   loop_body_->InsertInstructionBefore(set_field, loop_body_->GetLastInstruction());
 
   EXPECT_EQ(get_field->GetBlock(), loop_body_);
@@ -140,13 +141,14 @@ TEST_F(LICMTest, NoFieldHoisting) {
   BuildLoop();
 
   // Populate the loop with instructions: set/get field with same types.
+  NullHandle<mirror::DexCache> dex_cache;
   HInstruction* get_field = new (&allocator_) HInstanceFieldGet(
       parameter_, Primitive::kPrimLong, MemberOffset(10),
-      false, kUnknownFieldIndex, graph_->GetDexFile());
+      false, kUnknownFieldIndex, graph_->GetDexFile(), dex_cache);
   loop_body_->InsertInstructionBefore(get_field, loop_body_->GetLastInstruction());
   HInstruction* set_field = new (&allocator_) HInstanceFieldSet(
       parameter_, get_field, Primitive::kPrimLong, MemberOffset(10),
-      false, kUnknownFieldIndex, graph_->GetDexFile());
+      false, kUnknownFieldIndex, graph_->GetDexFile(), dex_cache);
   loop_body_->InsertInstructionBefore(set_field, loop_body_->GetLastInstruction());
 
   EXPECT_EQ(get_field->GetBlock(), loop_body_);