[cfe-commits] r143794 - /cfe/trunk/lib/Analysis/LiveVariables.cpp

[Argyrios Kyrtzidis]

Author: akirtzidis
Date: Sat Nov  5 02:03:54 2011
New Revision: 143794

URL: http://llvm.org/viewvc/llvm-project?rev=143794&view=rev
Log:
Simplify LookThroughStmt in LiveVariables.cpp

Modified:
    cfe/trunk/lib/Analysis/LiveVariables.cpp

Modified: cfe/trunk/lib/Analysis/LiveVariables.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/LiveVariables.cpp?rev=143794&r1=143793&r2=143794&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/LiveVariables.cpp (original)
+++ cfe/trunk/lib/Analysis/LiveVariables.cpp Sat Nov  5 02:03:54 2011
@@ -232,18 +232,10 @@
 }
 
 static const Stmt *LookThroughStmt(const Stmt *S) {
-  while (S) {
-    if (const ParenExpr *ParenE = dyn_cast<ParenExpr>(S)) {
-      S = ParenE->getSubExpr();
-      continue;
-    } else if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(S)) {
-      S = OVE->getSourceExpr();
-      continue;
-    } else if (const Expr *E = dyn_cast<Expr>(S)) {
-      return E->IgnoreParens();
-    } else
-      break;
-  }
+  if (const Expr *E = dyn_cast<Expr>(S))
+    return E->IgnoreParens();
+  if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(S))
+    return OVE->IgnoreParens();
   return S;
 }