diff options
| author | 2013-04-05 19:13:07 -0700 | |
|---|---|---|
| committer | 2013-04-26 10:12:52 -0700 | |
| commit | b0682d5f7970470130f43d35f37ae7605a8a9bb8 (patch) | |
| tree | 3bf3d9e1b3ed5da8e7db5c9e736e6cde7c5e30c8 /src/compiler/llvm/gbc_expander.cc | |
| parent | ba1814eeac6adb44f2f78317556b3484b19e02fc (diff) | |
Supporting de-virtualization for precise types.
Sharpening invoke-virtual and invoke-interface calls to invoke-direct for cases
where the type of "this" pointer in the invoke- params is precisely known.
Instructions that have an invoke opcode are marked as interesting, for each invoke-virtual/interface
we come across with a precise type for "this" we mark the location as a candidate for sharpening,
resolve the concrete method and save its method reference <DexFile, DexMethodIndex> to be sharpened
in CompilerDriver::ComputeInvokeInfo().
Added a new entry to AOT statistics showing the percentage of sharpened calls that were based on
type analysis.
Fix a minor bug in type creation for GetSuperClass(). Previously super class of a precise reference
had precise types created which is not necessarily the case.
Change-Id: Iee61858e84242dfc82be363ee221d2747a1ac86a
Diffstat (limited to 'src/compiler/llvm/gbc_expander.cc')
| -rw-r--r-- | src/compiler/llvm/gbc_expander.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/compiler/llvm/gbc_expander.cc b/src/compiler/llvm/gbc_expander.cc index 94eb741039..c1e35a69a7 100644 --- a/src/compiler/llvm/gbc_expander.cc +++ b/src/compiler/llvm/gbc_expander.cc @@ -785,8 +785,10 @@ llvm::Value* GBCExpanderPass::EmitInvoke(llvm::CallInst& call_inst) { int vtable_idx = -1; uintptr_t direct_code = 0; uintptr_t direct_method = 0; + // TODO: pass actual value of dex PC (instead of kDexPCNotready) needed by verifier based + // sharpening after LLVM re-factoring is finished. bool is_fast_path = driver_-> - ComputeInvokeInfo(callee_method_idx, dex_compilation_unit_, + ComputeInvokeInfo(callee_method_idx, art::kDexPCNotReady, dex_compilation_unit_, invoke_type, vtable_idx, direct_code, direct_method); // Load the method object |