Keep track of the number of statements/expressions written to and read
from a PCH file. It turns out that "Hello, World!" is bringing in 19%
of all of the statements in Carbon.h, so we need to be lazy.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69393 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index da7b422..5ea1f7c 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1173,7 +1173,7 @@
}
uint64_t PreprocessorBlockBit = 0;
-
+
// Read all of the records and blocks for the PCH file.
RecordData Record;
while (!Stream.AtEndOfStream()) {
@@ -1315,6 +1315,11 @@
}
ExternalDefinitions.swap(Record);
break;
+
+ case pch::STATISTICS:
+ TotalNumStatements = Record[0];
+ break;
+
}
}
@@ -1976,6 +1981,9 @@
std::fprintf(stderr, " %u/%u identifiers read (%f%%)\n",
NumIdentifiersLoaded, (unsigned)IdentifierData.size(),
((float)NumIdentifiersLoaded/IdentifierData.size() * 100));
+ std::fprintf(stderr, " %u/%u statements read (%f%%)\n",
+ NumStatementsRead, TotalNumStatements,
+ ((float)NumStatementsRead/TotalNumStatements * 100));
std::fprintf(stderr, "\n");
}
@@ -2450,6 +2458,8 @@
if (Finished)
break;
+ ++NumStatementsRead;
+
if (S) {
unsigned NumSubStmts = Reader.Visit(S);
while (NumSubStmts > 0) {