Model exceptional edges from call nodes in TurboFan.

src/compiler/common-operator.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 103 matching lines @@
   return OpParameter<size_t>(op);
 }
 
 
 #define CACHED_OP_LIST(V)                                  \
   V(Always, Operator::kPure, 0, 0, 0, 1, 0, 0)             \
   V(Dead, Operator::kFoldable, 0, 0, 0, 0, 0, 1)           \
   V(End, Operator::kKontrol, 0, 0, 1, 0, 0, 0)             \
   V(IfTrue, Operator::kKontrol, 0, 0, 1, 0, 0, 1)          \
   V(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
+  V(IfException, Operator::kKontrol, 0, 0, 1, 0, 0, 1)     \
+  V(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1)       \
   V(Throw, Operator::kFoldable, 1, 1, 1, 0, 0, 1)          \
   V(Return, Operator::kNoThrow, 1, 1, 1, 0, 0, 1)          \
   V(OsrNormalEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1) \
   V(OsrLoopEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1)
 
 
 #define CACHED_LOOP_LIST(V) \
   V(1)                      \
   V(2)
 
@@ skipping 359 matching lines @@
 const Operator* CommonOperatorBuilder::Call(const CallDescriptor* descriptor) {
   class CallOperator FINAL : public Operator1<const CallDescriptor*> {
    public:
     CallOperator(const CallDescriptor* descriptor, const char* mnemonic)
         : Operator1<const CallDescriptor*>(
               IrOpcode::kCall, descriptor->properties(), mnemonic,
               descriptor->InputCount() + descriptor->FrameStateCount(),
               Operator::ZeroIfPure(descriptor->properties()),
               Operator::ZeroIfPure(descriptor->properties()),
               descriptor->ReturnCount(),
-              Operator::ZeroIfPure(descriptor->properties()), 0, descriptor) {}
+              Operator::ZeroIfPure(descriptor->properties()),
+              Operator::ZeroIfNoThrow(descriptor->properties()), descriptor) {}
 
     void PrintParameter(std::ostream& os) const OVERRIDE {
       os << "[" << *parameter() << "]";
     }
   };
   return new (zone()) CallOperator(descriptor, "Call");
 }
 
 
 const Operator* CommonOperatorBuilder::Projection(size_t index) {
@@ skipping 19 matching lines @@
   } else {
     UNREACHABLE();
     return nullptr;
   }
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8