For debug and coverage analysis if we're not optimizing go ahead
and emit a relatively empty block for a plain break statement. This
enables us to track where we went through a switch.
PR9796 & rdar://11215207
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154420 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index f442bc2..bf42dcb 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -892,7 +892,7 @@
// If the body of the case is just a 'break', and if there was no fallthrough,
// try to not emit an empty block.
- if (isa<BreakStmt>(S.getSubStmt())) {
+ if ((CGM.getCodeGenOpts().OptimizationLevel > 0) && isa<BreakStmt>(S.getSubStmt())) {
JumpDest Block = BreakContinueStack.back().BreakBlock;
// Only do this optimization if there are no cleanups that need emitting.