bool CompiledIC::is_call_to_compiled() const {
assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
// Use unsafe, since an inline cache might point to a zombie method. However, the zombie
// method is guaranteed to still exist, since we only remove methods after all inline caches
// has been cleaned up
CodeBlob* cb = CodeCache::find_blob_unsafe(ic_destination());
bool is_monomorphic = (cb != NULL && cb->is_nmethod());
// Check that the cached_value is a klass for non-optimized monomorphic calls
// This assertion is invalid for compiler1: a call that does not look optimized (no static stub) can be used
// for calling directly to vep without using the inline cache (i.e., cached_value == NULL)
#ifdef ASSERT
CodeBlob* caller = CodeCache::find_blob_unsafe(instruction_address());
bool is_c1_method = caller->is_compiled_by_c1();
assert( is_c1_method ||
!is_monomorphic ||
is_optimized() ||
(cached_metadata() != NULL && cached_metadata()->is_klass()), "sanity check");
#endif // ASSERT
return is_monomorphic;
}
bool CompiledIC::is_call_to_compiled() const {
assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "");
// Use unsafe, since an inline cache might point to a zombie method. However, the zombie
// method is guaranteed to still exist, since we only remove methods after all inline caches
// has been cleaned up
CodeBlob* cb = CodeCache::find_blob_unsafe(ic_destination());
bool is_monomorphic = (cb != NULL && cb->is_nmethod());
// Check that the cached_value is a klass for non-optimized monomorphic calls
// This assertion is invalid for compiler1: a call that does not look optimized (no static stub) can be used
// for calling directly to vep without using the inline cache (i.e., cached_value == NULL).
// For JVMCI this occurs because CHA is only used to improve inlining so call sites which could be optimized
// virtuals because there are no currently loaded subclasses of a type are left as virtual call sites.
#ifdef ASSERT
CodeBlob* caller = CodeCache::find_blob_unsafe(instruction_address());
bool is_c1_or_jvmci_method = caller->is_compiled_by_c1() || caller->is_compiled_by_jvmci();
assert( is_c1_or_jvmci_method ||
!is_monomorphic ||
is_optimized() ||
!caller->is_alive() ||
(cached_metadata() != NULL && cached_metadata()->is_klass()), "sanity check");
#endif // ASSERT
return is_monomorphic;
}
