1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/pgo-sample-thinlto-summary.c b/test/CodeGen/pgo-sample-thinlto-summary.c
new file mode 100644
index 000000000000..a284af3c8087
--- /dev/null
+++ b/test/CodeGen/pgo-sample-thinlto-summary.c
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=O2
+// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
+// Checks if hot call is inlined by normal compile, but not inlined by
+// thinlto compile.
+
+int baz(int);
+int g;
+
+void foo(int n) {
+  for (int i = 0; i < n; i++)
+    g += baz(i);
+}
+
+// O2-LABEL: define void @bar
+// THINLTO-LABEL: define void @bar
+// O2-NOT: call{{.*}}foo
+// THINLTO: call{{.*}}foo
+void bar(int n) {
+  for (int i = 0; i < n; i++)
+    foo(i);
+}
+
+// Checks if loop unroll is invoked by normal compile, but not thinlto compile.
+// O2-LABEL: define void @unroll
+// THINLTO-LABEL: define void @unroll
+// O2: call{{.*}}baz
+// O2: call{{.*}}baz
+// THINLTO: call{{.*}}baz
+// THINLTO-NOT: call{{.*}}baz
+void unroll() {
+  for (int i = 0; i < 2; i++)
+    baz(i);
+}
+
+// Checks if icp is invoked by normal compile, but not thinlto compile.
+// O2-LABEL: define void @icp
+// THINLTO-LABEL: define void @icp
+// O2: if.true.direct_targ
+// ThinLTO-NOT: if.true.direct_targ
+void icp(void (*p)()) {
+  p();
+}