[Coverage] Combine counts of expansion regions if there are no code regions for the same area.
Differential Revision: http://reviews.llvm.org/D18831
llvm-svn: 268620
diff --git a/llvm/test/tools/llvm-cov/combine_expansions.cpp b/llvm/test/tools/llvm-cov/combine_expansions.cpp
new file mode 100644
index 0000000..7017f29
--- /dev/null
+++ b/llvm/test/tools/llvm-cov/combine_expansions.cpp
@@ -0,0 +1,26 @@
+// Check that we combine expansion regions.
+
+// RUN: llvm-profdata merge %S/Inputs/combine_expansions.proftext -o %t.profdata
+// RUN: llvm-cov show %S/Inputs/combine_expansions.covmapping -instr-profile %t.profdata -filename-equivalence %s | FileCheck %s
+
+#define SIMPLE_OP \
+ ++x
+// CHECK: | [[@LINE-2]]|#define SIMPLE_OP
+// CHECK-NEXT: 2| [[@LINE-2]]| ++x
+
+#define DO_SOMETHING \
+ { \
+ int x = 0; \
+ SIMPLE_OP; \
+ }
+// CHECK: | [[@LINE-5]]|#define DO_SOMETHING
+// CHECK-NEXT: 2| [[@LINE-5]]| {
+// CHECK-NEXT: 2| [[@LINE-5]]| int x = 0;
+// CHECK-NEXT: 2| [[@LINE-5]]| SIMPLE_OP;
+// CHECK-NEXT: 2| [[@LINE-5]]| }
+
+int main() { // CHECK: 1| [[@LINE]]|int main() {
+ DO_SOMETHING; // CHECK-NEXT: 1| [[@LINE]]| DO_SOMETHING;
+ DO_SOMETHING; // CHECK-NEXT: 1| [[@LINE]]| DO_SOMETHING;
+ return 0; // CHECK-NEXT: 1| [[@LINE]]| return 0;
+} // CHECK-NEXT: 1| [[@LINE]]|}