1 files changed, 42 insertions, 0 deletions
diff --git a/test/Transforms/Inline/always-inline.ll b/test/Transforms/Inline/always-inline.ll
new file mode 100644
index 0000000..40091d7
--- /dev/null
+++ b/test/Transforms/Inline/always-inline.ll
@@ -0,0 +1,42 @@
+; RUN: opt < %s -inline-threshold=0 -always-inline -S | FileCheck %s
+;
+; Ensure the threshold has no impact on these decisions.
+; RUN: opt < %s -inline-threshold=20000000 -always-inline -S | FileCheck %s
+; RUN: opt < %s -inline-threshold=-20000000 -always-inline -S | FileCheck %s
+
+define i32 @inner1() alwaysinline {
+  ret i32 1
+}
+define i32 @outer1() {
+; CHECK: @outer1
+; CHECK-NOT: call
+; CHECK: ret
+
+   %r = call i32 @inner1()
+   ret i32 %r
+}
+
+; The always inliner can't DCE internal functions. PR2945
+; CHECK: @pr2945
+define internal i32 @pr2945() nounwind {
+  ret i32 0
+}
+
+define internal void @inner2(i32 %N) alwaysinline {
+  %P = alloca i32, i32 %N
+  ret void
+}
+define void @outer2(i32 %N) {
+; The always inliner (unlike the normal one) should be willing to inline
+; a function with a dynamic alloca into one without a dynamic alloca.
+; rdar://6655932
+;
+; CHECK: @outer2
+; CHECK-NOT: call void @inner2
+; CHECK alloca i32, i32 %N
+; CHECK-NOT: call void @inner2
+; CHECK: ret void
+
+  call void @inner2( i32 %N )
+  ret void
+}