diff options
| author | 2015-08-24 11:21:42 -0700 | |
|---|---|---|
| committer | 2015-10-15 01:36:34 -0700 | |
| commit | 589dac7f0ce078d19aad7e35bb0195c47ddf01d2 (patch) | |
| tree | 5c77fb845997b21ce1aa97b1fa176c64a76e14f1 /compiler/optimizing/licm_test.cc | |
| parent | d2e0dd179fd2e8c6c820194e187fc5e9164154ff (diff) | |
load store elimination.
This adds a pass to eliminate some unnecessary heap loads/stores. It
first collects heap locations and then tracks values stored to those heap
locations. Alias analysis is done based on offset, type, singleton,
pre-existence, etc.
Change-Id: I11a9d8ef20d1b2f245607eb25118e9aff9be472a
Diffstat (limited to 'compiler/optimizing/licm_test.cc')
| -rw-r--r-- | compiler/optimizing/licm_test.cc | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/compiler/optimizing/licm_test.cc b/compiler/optimizing/licm_test.cc index 558892d01c..78da273c71 100644 --- a/compiler/optimizing/licm_test.cc +++ b/compiler/optimizing/licm_test.cc @@ -104,13 +104,19 @@ TEST_F(LICMTest, FieldHoisting) { // 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(), dex_cache, 0); + HInstruction* get_field = new (&allocator_) HInstanceFieldGet(parameter_, + Primitive::kPrimLong, + MemberOffset(10), + false, + kUnknownFieldIndex, + kUnknownClassDefIndex, + graph_->GetDexFile(), + dex_cache, + 0); loop_body_->InsertInstructionBefore(get_field, loop_body_->GetLastInstruction()); HInstruction* set_field = new (&allocator_) HInstanceFieldSet( parameter_, constant_, Primitive::kPrimInt, MemberOffset(20), - false, kUnknownFieldIndex, graph_->GetDexFile(), dex_cache, 0); + false, kUnknownFieldIndex, kUnknownClassDefIndex, graph_->GetDexFile(), dex_cache, 0); loop_body_->InsertInstructionBefore(set_field, loop_body_->GetLastInstruction()); EXPECT_EQ(get_field->GetBlock(), loop_body_); @@ -125,13 +131,26 @@ TEST_F(LICMTest, NoFieldHoisting) { // 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(), dex_cache, 0); + HInstruction* get_field = new (&allocator_) HInstanceFieldGet(parameter_, + Primitive::kPrimLong, + MemberOffset(10), + false, + kUnknownFieldIndex, + kUnknownClassDefIndex, + graph_->GetDexFile(), + dex_cache, + 0); 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(), dex_cache, 0); + HInstruction* set_field = new (&allocator_) HInstanceFieldSet(parameter_, + get_field, + Primitive::kPrimLong, + MemberOffset(10), + false, + kUnknownFieldIndex, + kUnknownClassDefIndex, + graph_->GetDexFile(), + dex_cache, + 0); loop_body_->InsertInstructionBefore(set_field, loop_body_->GetLastInstruction()); EXPECT_EQ(get_field->GetBlock(), loop_body_); |