1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/Inline/byval_lifetime.ll b/test/Transforms/Inline/byval_lifetime.ll
new file mode 100644
index 0000000000..e8dff2aa71
--- /dev/null
+++ b/test/Transforms/Inline/byval_lifetime.ll
@@ -0,0 +1,26 @@
+; RUN: opt -S -inline < %s | FileCheck %s
+; END.
+
+; By inlining foo, an alloca is created in main to hold the byval argument, so
+; a lifetime marker should be generated as well by default.
+
+%struct.foo = type { i32, [16 x i32] }
+
+@gFoo = global %struct.foo zeroinitializer, align 8
+
+define i32 @foo(%struct.foo* byval align 8 %f, i32 %a) {
+entry:
+  %a1 = getelementptr inbounds %struct.foo* %f, i32 0, i32 1
+  %arrayidx = getelementptr inbounds [16 x i32]* %a1, i32 0, i32 %a
+  %tmp2 = load i32* %arrayidx, align 1
+  ret i32 %tmp2
+}
+
+define i32 @main(i32 %argc, i8** %argv) {
+; CHECK-LABEL: @main
+; CHECK: llvm.lifetime.start
+; CHECK: memcpy
+entry:
+  %call = call i32 @foo(%struct.foo* byval align 8 @gFoo, i32 %argc)
+  ret i32 %call
+}