Hack to hardwire in some panic functions that are not marked noreturn.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48374 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Analysis/GRExprEngine.cpp b/Analysis/GRExprEngine.cpp
index 70cd187..0504e65 100644
--- a/Analysis/GRExprEngine.cpp
+++ b/Analysis/GRExprEngine.cpp
@@ -497,9 +497,29 @@
SaveAndRestore<bool> OldSink(Builder->BuildSinks);
- if (isa<lval::FuncVal>(L))
- if (cast<lval::FuncVal>(L).getDecl()->getAttr<NoReturnAttr>())
+ if (isa<lval::FuncVal>(L)) {
+
+ FunctionDecl* FD = cast<lval::FuncVal>(L).getDecl();
+
+ if (FD->getAttr<NoReturnAttr>())
Builder->BuildSinks = true;
+ else {
+ // HACK: Some functions are not marked noreturn, and don't return.
+ // Here are a few hardwired ones. If this takes too long, we can
+ // potentially cache these results.
+ const char* s = FD->getIdentifier()->getName();
+ unsigned n = strlen(s);
+
+ switch (n) {
+ default:
+ break;
+ case 4:
+ if (!memcmp(s, "exit", 4) || !memcmp(s, "panic", 4)) {
+ Builder->BuildSinks = true; break;
+ }
+ }
+ }
+ }
// Evaluate the call.