[clang] aa42785 - [clang] Simplify CFG block printing code a bit

[Nico Weber via cfe-commits]

Author: Nico Weber
Date: 2021-10-26T09:45:22-04:00
New Revision: aa42785d01cb498c1eb880e9f0e08f01006839c6

URL: 
https://github.com/llvm/llvm-project/commit/aa42785d01cb498c1eb880e9f0e08f01006839c6
DIFF: 
https://github.com/llvm/llvm-project/commit/aa42785d01cb498c1eb880e9f0e08f01006839c6.diff

LOG: [clang] Simplify CFG block printing code a bit

No behavior change.

Added: 
    

Modified: 
    clang/lib/Analysis/CFG.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
index 190e0d94ee99..39c0f14c7b89 100644
--- a/clang/lib/Analysis/CFG.cpp
+++ b/clang/lib/Analysis/CFG.cpp
@@ -5683,21 +5683,18 @@ static void print_block(raw_ostream &OS, const CFG* cfg,
       OS << L->getName();
     else if (CaseStmt *C = dyn_cast<CaseStmt>(Label)) {
       OS << "case ";
-      if (C->getLHS())
-        C->getLHS()->printPretty(OS, &Helper,
-                                 PrintingPolicy(Helper.getLangOpts()));
-      if (C->getRHS()) {
+      if (const Expr *LHS = C->getLHS())
+        LHS->printPretty(OS, &Helper, PrintingPolicy(Helper.getLangOpts()));
+      if (const Expr *RHS = C->getRHS()) {
         OS << " ... ";
-        C->getRHS()->printPretty(OS, &Helper,
-                                 PrintingPolicy(Helper.getLangOpts()));
+        RHS->printPretty(OS, &Helper, PrintingPolicy(Helper.getLangOpts()));
       }
     } else if (isa<DefaultStmt>(Label))
       OS << "default";
     else if (CXXCatchStmt *CS = dyn_cast<CXXCatchStmt>(Label)) {
       OS << "catch (";
-      if (CS->getExceptionDecl())
-        CS->getExceptionDecl()->print(OS, PrintingPolicy(Helper.getLangOpts()),
-                                      0);
+      if (const VarDecl *ED = CS->getExceptionDecl())
+        ED->print(OS, PrintingPolicy(Helper.getLangOpts()), 0);
       else
         OS << "...";
       OS << ")";


        
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