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Unified Diff: src/hydrogen-instructions.h

Issue 7105015: Eagerly deoptimize on never-executed code-paths. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 7 months ago
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Index: src/hydrogen-instructions.h
===================================================================
--- src/hydrogen-instructions.h (revision 8139)
+++ src/hydrogen-instructions.h (working copy)
@@ -146,6 +146,7 @@
V(Shl) \
V(Shr) \
V(Simulate) \
+ V(SoftDeoptimize) \
V(StackCheck) \
V(StoreContextSlot) \
V(StoreGlobalCell) \
@@ -847,6 +848,16 @@
};
+class HSoftDeoptimize: public HTemplateInstruction<0> {
+ public:
+ virtual Representation RequiredInputRepresentation(int index) const {
+ return Representation::None();
+ }
+
+ DECLARE_CONCRETE_INSTRUCTION(SoftDeoptimize)
+};
+
+
class HDeoptimize: public HControlInstruction {
public:
explicit HDeoptimize(int environment_length)
@@ -859,6 +870,7 @@
virtual int OperandCount() { return values_.length(); }
virtual HValue* OperandAt(int index) { return values_[index]; }
+ virtual void PrintDataTo(StringStream* stream);
void AddEnvironmentValue(HValue* value) {
values_.Add(NULL);
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