[PATCH] D45417: [analyzer] Don't crash on printing ConcreteInt of size >64 bits
Aleksei Sidorin via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Apr 10 09:44:07 PDT 2018
a.sidorin updated this revision to Diff 141870.
a.sidorin added a comment.
Renamed the test file.
Repository:
rC Clang
https://reviews.llvm.org/D45417
Files:
lib/StaticAnalyzer/Core/SVals.cpp
test/Analysis/sval-dump-int128.c
Index: test/Analysis/sval-dump-int128.c
===================================================================
--- /dev/null
+++ test/Analysis/sval-dump-int128.c
@@ -0,0 +1,7 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=debug.ExprInspection %s -verify
+
+void clang_analyzer_dump(unsigned __int128 x);
+
+void testDumpInt128() {
+ clang_analyzer_dump((unsigned __int128)5 << 64); // expected-warning{{92233720368547758080 U128b}}
+}
Index: lib/StaticAnalyzer/Core/SVals.cpp
===================================================================
--- lib/StaticAnalyzer/Core/SVals.cpp
+++ lib/StaticAnalyzer/Core/SVals.cpp
@@ -300,13 +300,9 @@
void NonLoc::dumpToStream(raw_ostream &os) const {
switch (getSubKind()) {
case nonloc::ConcreteIntKind: {
- const nonloc::ConcreteInt& C = castAs<nonloc::ConcreteInt>();
- if (C.getValue().isUnsigned())
- os << C.getValue().getZExtValue();
- else
- os << C.getValue().getSExtValue();
- os << ' ' << (C.getValue().isUnsigned() ? 'U' : 'S')
- << C.getValue().getBitWidth() << 'b';
+ const auto &Value = castAs<nonloc::ConcreteInt>().getValue();
+ os << Value << ' ' << (Value.isSigned() ? 'S' : 'U')
+ << Value.getBitWidth() << 'b';
break;
}
case nonloc::SymbolValKind:
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