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-rw-r--r--test/profile/instrprof-set-filename-then-reset-default.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/profile/instrprof-set-filename-then-reset-default.c b/test/profile/instrprof-set-filename-then-reset-default.c
new file mode 100644
index 000000000000..6c07994f08c6
--- /dev/null
+++ b/test/profile/instrprof-set-filename-then-reset-default.c
@@ -0,0 +1,18 @@
+// RUN: rm -rf %t.d
+// RUN: mkdir -p %t.d
+// RUN: cd %t.d
+// RUN: %clang_profgen -O3 %s -o %t.out
+// RUN: %run %t.out %t.d/bad.profraw
+// RUN: llvm-profdata merge -o %t.d/default.profdata %t.d/default.profraw
+// RUN: %clang_profuse=%t.d/default.profdata -o - -S -emit-llvm %s | FileCheck %s
+
+void __llvm_profile_set_filename(const char *);
+int main(int argc, const char *argv[]) {
+ // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD1:[0-9]+]]
+ if (argc < 2)
+ return 1;
+ __llvm_profile_set_filename(argv[1]);
+ __llvm_profile_set_filename(0);
+ return 0;
+}
+// CHECK: ![[PD1]] = !{!"branch_weights", i32 1, i32 2}