1 files changed, 73 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc
index 79a7e2c858..aad06b91b6 100644
--- a/compiler/optimizing/nodes.cc
+++ b/compiler/optimizing/nodes.cc
@@ -3180,4 +3180,77 @@ std::ostream& operator<<(std::ostream& os, const MemBarrierKind& kind) {
   }
 }
 
+// Check that intrinsic enum values fit within space set aside in ArtMethod modifier flags.
+#define CHECK_INTRINSICS_ENUM_VALUES(Name, InvokeType, _, SideEffects, Exceptions, ...) \
+  static_assert( \
+    static_cast<uint32_t>(Intrinsics::k ## Name) <= (kAccIntrinsicBits >> CTZ(kAccIntrinsicBits)), \
+    "Instrinsics enumeration space overflow.");
+#include "intrinsics_list.h"
+  INTRINSICS_LIST(CHECK_INTRINSICS_ENUM_VALUES)
+#undef INTRINSICS_LIST
+#undef CHECK_INTRINSICS_ENUM_VALUES
+
+// Function that returns whether an intrinsic needs an environment or not.
+static inline IntrinsicNeedsEnvironmentOrCache NeedsEnvironmentOrCacheIntrinsic(Intrinsics i) {
+  switch (i) {
+    case Intrinsics::kNone:
+      return kNeedsEnvironmentOrCache;  // Non-sensical for intrinsic.
+#define OPTIMIZING_INTRINSICS(Name, InvokeType, NeedsEnvOrCache, SideEffects, Exceptions, ...) \
+    case Intrinsics::k ## Name: \
+      return NeedsEnvOrCache;
+#include "intrinsics_list.h"
+      INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
+#undef INTRINSICS_LIST
+#undef OPTIMIZING_INTRINSICS
+  }
+  return kNeedsEnvironmentOrCache;
+}
+
+// Function that returns whether an intrinsic has side effects.
+static inline IntrinsicSideEffects GetSideEffectsIntrinsic(Intrinsics i) {
+  switch (i) {
+    case Intrinsics::kNone:
+      return kAllSideEffects;
+#define OPTIMIZING_INTRINSICS(Name, InvokeType, NeedsEnvOrCache, SideEffects, Exceptions, ...) \
+    case Intrinsics::k ## Name: \
+      return SideEffects;
+#include "intrinsics_list.h"
+      INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
+#undef INTRINSICS_LIST
+#undef OPTIMIZING_INTRINSICS
+  }
+  return kAllSideEffects;
+}
+
+// Function that returns whether an intrinsic can throw exceptions.
+static inline IntrinsicExceptions GetExceptionsIntrinsic(Intrinsics i) {
+  switch (i) {
+    case Intrinsics::kNone:
+      return kCanThrow;
+#define OPTIMIZING_INTRINSICS(Name, InvokeType, NeedsEnvOrCache, SideEffects, Exceptions, ...) \
+    case Intrinsics::k ## Name: \
+      return Exceptions;
+#include "intrinsics_list.h"
+      INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
+#undef INTRINSICS_LIST
+#undef OPTIMIZING_INTRINSICS
+  }
+  return kCanThrow;
+}
+
+void HInvoke::SetResolvedMethod(ArtMethod* method) {
+  // TODO: b/65872996 The intent is that polymorphic signature methods should
+  // be compiler intrinsics. At present, they are only interpreter intrinsics.
+  if (method != nullptr &&
+      method->IsIntrinsic() &&
+      !method->IsPolymorphicSignature()) {
+    Intrinsics intrinsic = static_cast<Intrinsics>(method->GetIntrinsic());
+    SetIntrinsic(intrinsic,
+                 NeedsEnvironmentOrCacheIntrinsic(intrinsic),
+                 GetSideEffectsIntrinsic(intrinsic),
+                 GetExceptionsIntrinsic(intrinsic));
+  }
+  resolved_method_ = method;
+}
+
 }  // namespace art