Rename this test to a more general name in preparation for adding more

tests to it to cover more of the macro bactrace functionality.

llvm-svn: 142116

1 files changed, 32 insertions, 0 deletions

diff --git a/clang/test/Misc/macro-backtrace.c b/clang/test/Misc/macro-backtrace.c
new file mode 100644
index 00000000000..94768242cd6
--- /dev/null
+++ b/clang/test/Misc/macro-backtrace.c
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 5 %s > %t 2>&1 
+// RUN: FileCheck %s < %t
+
+#define M1(A, B) ((A) < (B))
+#define M2(A, B) M1(A, B)
+#define M3(A, B) M2(A, B)
+#define M4(A, B) M3(A, B)
+#define M5(A, B) M4(A, B)
+#define M6(A, B) M5(A, B)
+#define M7(A, B) M6(A, B)
+#define M8(A, B) M7(A, B)
+#define M9(A, B) M8(A, B)
+#define M10(A, B) M9(A, B)
+#define M11(A, B) M10(A, B)
+#define M12(A, B) M11(A, B)
+
+void f(int *ip, float *fp) {
+  // CHECK: macro-backtrace.c:31:7: warning: comparison of distinct pointer types ('int *' and 'float *')
+  // CHECK: if (M12(ip, fp)) { }
+  // CHECK: macro-backtrace.c:15:19: note: expanded from:
+  // CHECK: #define M12(A, B) M11(A, B)
+  // CHECK: macro-backtrace.c:14:19: note: expanded from:
+  // CHECK: #define M11(A, B) M10(A, B)
+  // CHECK: note: (skipping 7 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
+  // CHECK: macro-backtrace.c:6:18: note: expanded from:
+  // CHECK: #define M3(A, B) M2(A, B)
+  // CHECK: macro-backtrace.c:5:18: note: expanded from:
+  // CHECK: #define M2(A, B) M1(A, B)
+  // CHECK: macro-backtrace.c:4:23: note: expanded from:
+  // CHECK: #define M1(A, B) ((A) < (B))
+  if (M12(ip, fp)) { }
+}