vendor/compiler-rt/compiler-rt-trunk-r257626

1 files changed, 31 insertions, 0 deletions

diff --git a/test/profile/Linux/instrprof-basic.c b/test/profile/Linux/instrprof-basic.c
new file mode 100644
index 000000000000..7ae683d9bd9e
--- /dev/null
+++ b/test/profile/Linux/instrprof-basic.c
@@ -0,0 +1,31 @@
+// RUN: %clang_profgen -fdata-sections -ffunction-sections -fuse-ld=gold -Wl,--gc-sections -o %t -O3 %s
+// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
+// RUN: llvm-profdata merge -o %t.profdata %t.profraw
+// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s
+
+int begin(int i) {
+  // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD1:[0-9]+]]
+  if (i)
+    return 0;
+  return 1;
+}
+
+int end(int i) {
+  // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD2:[0-9]+]]
+  if (i)
+    return 0;
+  return 1;
+}
+
+int main(int argc, const char *argv[]) {
+  begin(0);
+  end(1);
+
+  // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD2:[0-9]+]]
+  if (argc)
+    return 0;
+  return 1;
+}
+
+// CHECK: ![[PD1]] = !{!"branch_weights", i32 1, i32 2}
+// CHECK: ![[PD2]] = !{!"branch_weights", i32 2, i32 1}