1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/code-coverage.c b/test/CodeGen/code-coverage.c
new file mode 100644
index 0000000000..310d58544e
--- /dev/null
+++ b/test/CodeGen/code-coverage.c
@@ -0,0 +1,51 @@
+// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data %s -o - | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-no-function-names-in-data %s -o - | FileCheck %s --check-prefix WITHOUTNAMES
+// RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-notes-file=aaa.gcno -coverage-data-file=bbb.gcda -dwarf-column-info -debug-info-kind=limited -dwarf-version=4 %s -o - | FileCheck %s --check-prefix GCOV_FILE_INFO
+
+// RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -femit-coverage-data %s 2>&1 | FileCheck --check-prefix=NEWPM %s
+// RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -femit-coverage-data -O3 %s 2>&1 | FileCheck --check-prefix=NEWPM-O3 %s
+
+// NEWPM-NOT: Running pass
+// NEWPM: Running pass: GCOVProfilerPass
+
+// NEWPM-O3-NOT: Running pass
+// NEWPM-O3: Running pass: ForceFunctionAttrsPass
+// NEWPM-O3: Running pass: GCOVProfilerPass
+
+
+int test1(int a) {
+  switch (a % 2) {
+  case 0:
+    ++a;
+  case 1:
+    a /= 2;
+  }
+  return a;
+}
+
+int test2(int b) {
+  return b * 2;
+}
+
+// Inside function emission data structure, check that
+// -coverage-no-function-names-in-data uses null as the function name.
+// CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant
+// CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @
+// CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @
+// WITHOUTNAMES: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant
+// WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@
+// WITHOUTNAMES-SAME: zeroinitializer,
+// WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@
+// WITHOUTNAMES-SAME: { i32 {{[0-9]+}}, i8* null,
+
+// Check that the noredzone flag is set on the generated functions.
+
+// CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]]
+// CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]]
+// CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]]
+// CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]
+
+// CHECK: attributes [[NRZ]] = { {{.*}}noredzone{{.*}} }
+
+// GCOV_FILE_INFO: !llvm.gcov = !{![[GCOV:[0-9]+]]}
+// GCOV_FILE_INFO: ![[GCOV]] = !{!"aaa.gcno", !"bbb.gcda", !{{[0-9]+}}}