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

llvm-svn: 154420

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/test/CodeGen/debug-line-1.c b/clang/test/CodeGen/debug-line-1.c
new file mode 100644
index 00000000000..b31de55c8c1
--- /dev/null
+++ b/clang/test/CodeGen/debug-line-1.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -triple x86_64-unk-unk -o - -emit-llvm -g %s | FileCheck %s
+// PR9796
+
+// Check to make sure that we emit the block for the break so that we can count the line.
+// CHECK: sw.bb:                                            ; preds = %entry
+// CHECK: br label %sw.epilog, !dbg !21
+  
+extern int atoi(const char *);
+
+int f(char* arg) {
+  int x = atoi(arg);
+  
+  switch(x) {
+    case 1:
+      break;
+  }
+
+  return 0;
+}