[cfe-commits] r128513 - in /cfe/trunk/lib/CodeGen: CGExprScalar.cpp CGStmt.cpp

Devang Patel dpatel at apple.com
Tue Mar 29 17:08:32 PDT 2011


Author: dpatel
Date: Tue Mar 29 19:08:31 2011
New Revision: 128513

URL: http://llvm.org/viewvc/llvm-project?rev=128513&view=rev
Log:
Fix in r128471 is very broad. Some of the unconditional branches need line number information for better user experience. 
Restrict the fix. This fixes break.exp failures from gdb testsuite.

Modified:
    cfe/trunk/lib/CodeGen/CGExprScalar.cpp
    cfe/trunk/lib/CodeGen/CGStmt.cpp

Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=128513&r1=128512&r2=128513&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprScalar.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp Tue Mar 29 19:08:31 2011
@@ -2317,6 +2317,9 @@
 
   // Emit an unconditional branch from this block to ContBlock.  Insert an entry
   // into the phi node for the edge with the value of RHSCond.
+  if (CGF.getDebugInfo())
+    // There is no need to emit line number for unconditional branch.
+    Builder.SetCurrentDebugLocation(llvm::DebugLoc());
   CGF.EmitBlock(ContBlock);
   PN->addIncoming(RHSCond, RHSBlock);
 

Modified: cfe/trunk/lib/CodeGen/CGStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmt.cpp?rev=128513&r1=128512&r2=128513&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmt.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmt.cpp Tue Mar 29 19:08:31 2011
@@ -270,9 +270,6 @@
     // terminated, don't touch it.
   } else {
     // Otherwise, create a fall-through branch.
-    // There is no need to emit line number for unconditional branch.
-    if (getDebugInfo())
-      Builder.SetCurrentDebugLocation(llvm::DebugLoc());
     Builder.CreateBr(Target);
   }
 
@@ -400,11 +397,17 @@
 
   // Emit the 'else' code if present.
   if (const Stmt *Else = S.getElse()) {
+    // There is no need to emit line number for unconditional branch.
+    if (getDebugInfo())
+      Builder.SetCurrentDebugLocation(llvm::DebugLoc());
     EmitBlock(ElseBlock);
     {
       RunCleanupsScope ElseScope(*this);
       EmitStmt(Else);
     }
+    // There is no need to emit line number for unconditional branch.
+    if (getDebugInfo())
+      Builder.SetCurrentDebugLocation(llvm::DebugLoc());
     EmitBranch(ContBlock);
   }
 





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