Revision: 14808
Author: [email protected]
Date: Fri May 24 08:20:48 2013
Log: trace compare_nil_ic state in --trace-ic output
BUG=
[email protected]
Review URL: https://codereview.chromium.org/15735020
http://code.google.com/p/v8/source/detail?r=14808
Modified:
/branches/bleeding_edge/src/code-stubs.cc
/branches/bleeding_edge/src/code-stubs.h
/branches/bleeding_edge/src/ic.cc
=======================================
--- /branches/bleeding_edge/src/code-stubs.cc Fri May 24 04:44:55 2013
+++ /branches/bleeding_edge/src/code-stubs.cc Fri May 24 08:20:48 2013
@@ -432,6 +432,23 @@
}
}
}
+
+
+void CompareNilICStub::Types::TraceTransition(Types to) const {
+ #ifdef DEBUG
+ if (!FLAG_trace_ic) return;
+ char buffer[100];
+ NoAllocationStringAllocator allocator(buffer,
+
static_cast<unsigned>(sizeof(buffer)));
+ StringStream stream(&allocator);
+ stream.Add("[CompareNilIC : ");
+ Print(&stream);
+ stream.Add("=>");
+ to.Print(&stream);
+ stream.Add("]\n");
+ stream.OutputToStdOut();
+ #endif
+}
void CompareNilICStub::PrintName(StringStream* stream) {
@@ -578,17 +595,19 @@
void ToBooleanStub::Types::TraceTransition(Types to) const {
+ #ifdef DEBUG
if (!FLAG_trace_ic) return;
char buffer[100];
NoAllocationStringAllocator allocator(buffer,
static_cast<unsigned>(sizeof(buffer)));
StringStream stream(&allocator);
- stream.Add("[ToBooleanIC (");
+ stream.Add("[ToBooleanIC : ");
Print(&stream);
- stream.Add("->");
+ stream.Add("=>");
to.Print(&stream);
- stream.Add(")]\n");
+ stream.Add("]\n");
stream.OutputToStdOut();
+ #endif
}
=======================================
--- /branches/bleeding_edge/src/code-stubs.h Fri May 24 04:44:55 2013
+++ /branches/bleeding_edge/src/code-stubs.h Fri May 24 08:20:48 2013
@@ -1084,6 +1084,7 @@
}
void Print(StringStream* stream) const;
+ void TraceTransition(Types to) const;
};
// At most 6 different types can be distinguished, because the Code
object
=======================================
--- /branches/bleeding_edge/src/ic.cc Fri May 24 04:44:55 2013
+++ /branches/bleeding_edge/src/ic.cc Fri May 24 08:20:48 2013
@@ -2928,7 +2928,9 @@
// types must be supported as a result of the miss.
bool already_monomorphic = stub.IsMonomorphic();
+ CompareNilICStub::Types old_types = stub.GetTypes();
stub.Record(object);
+ old_types.TraceTransition(stub.GetTypes());
EqualityKind kind = stub.GetKind();
NilValue nil = stub.GetNilValue();
--
--
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