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authorTed Kremenek <kremenek@apple.com>2014-03-20 06:07:35 +0000
committerTed Kremenek <kremenek@apple.com>2014-03-20 06:07:35 +0000
commit2766ad27e867c40378f2e5c18094594aa112b7b4 (patch)
treebda98c5b5110b2c195cea12cd10945618777303b /clang/lib/Analysis/ReachableCode.cpp
parentf3c93bb61b486d3b01de8d0b071688a35388474d (diff)
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[-Wunreachable-code] constexpr functions can be used as configuration values.
llvm-svn: 204308
Diffstat (limited to 'clang/lib/Analysis/ReachableCode.cpp')
-rw-r--r--clang/lib/Analysis/ReachableCode.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index c79a94b82..ffe576c 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -139,6 +139,11 @@ static bool isConfigurationValue(const Stmt *S,
S = Ex->IgnoreParenCasts();
switch (S->getStmtClass()) {
+ case Stmt::CallExprClass: {
+ const FunctionDecl *Callee =
+ dyn_cast_or_null<FunctionDecl>(cast<CallExpr>(S)->getCalleeDecl());
+ return Callee ? Callee->isConstexpr() : false;
+ }
case Stmt::DeclRefExprClass: {
const DeclRefExpr *DR = cast<DeclRefExpr>(S);
const ValueDecl *D = DR->getDecl();