Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created...

[oota-llvm.git] / test / Transforms / Inline / lifetime-no-datalayout.ll

diff --git a/test/Transforms/Inline/lifetime-no-datalayout.ll b/test/Transforms/Inline/lifetime-no-datalayout.ll
new file mode 100644 (file)
index 0000000..9ad1428
--- /dev/null
+++ b/test/Transforms/Inline/lifetime-no-datalayout.ll
@@ -0,0 +1,23 @@
+; RUN: opt -inline %s -S -o - | FileCheck %s
+
+declare void @use(i8* %a)
+
+define void @helper() {
+  %a = alloca i8
+  call void @use(i8* %a)
+  ret void
+}
+
+; Size in llvm.lifetime.X should be -1 (unknown).
+define void @test() {
+; CHECK: @test
+; CHECK-NOT: lifetime
+; CHECK: llvm.lifetime.start(i64 -1
+; CHECK-NOT: lifetime
+; CHECK: llvm.lifetime.end(i64 -1
+  call void @helper()
+; CHECK-NOT: lifetime
+; CHECK: ret void
+  ret void
+}
+