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Simplify check for basic block with a CXXTryStmt terminator. 

llvm-svn: 96892
This commit is contained in:
Ted Kremenek 2010-02-23 05:59:16 +00:00
parent f66b6aa232
commit 9884e365dc
1 changed files with 2 additions and 3 deletions
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5
clang/lib/Sema/SemaChecking.cpp
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@ -2278,9 +2278,8 @@ void Sema::CheckUnreachable(AnalysisContext &AC) {
for (CFG::iterator I = cfg->begin(), E = cfg->end(); I != E; ++I) {
CFGBlock &b = **I;
if (!reachable[b.getBlockID()]) {
if (b.pred_begin() == b.pred_end()) {
if (!AddEHEdges && b.getTerminator()
&& isa<CXXTryStmt>(b.getTerminator())) {
if (b.pred_empty()) {
if (!AddEHEdges && dyn_cast_or_null<CXXTryStmt>(b.getTerminator())) {
// When not adding EH edges from calls, catch clauses
// can otherwise seem dead. Avoid noting them as dead.
numReachable += ScanReachableFromBlock(b, reachable);