1; RUN: llc -mtriple x86_64-apple-macosx10.8.0 -warn-stack-size=80 < %s 2>&1 >/dev/null | FileCheck %s
2; Check the internal option that warns when the stack size exceeds the
3; given amount.
4; <rdar://13987214>
5
6; CHECK-NOT: nowarn
7define void @nowarn() nounwind ssp {
8entry:
9  %buffer = alloca [12 x i8], align 1
10  %arraydecay = getelementptr inbounds [12 x i8], [12 x i8]* %buffer, i64 0, i64 0
11  call void @doit(i8* %arraydecay) nounwind
12  ret void
13}
14
15; CHECK: warning: stack size limit exceeded (104) in warn
16define void @warn() nounwind ssp {
17entry:
18  %buffer = alloca [80 x i8], align 1
19  %arraydecay = getelementptr inbounds [80 x i8], [80 x i8]* %buffer, i64 0, i64 0
20  call void @doit(i8* %arraydecay) nounwind
21  ret void
22}
23
24declare void @doit(i8*)
25