1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
; RUN: llc -mtriple thumbv7-apple-ios3.0.0 -warn-stack-size=80 < %s 2>&1 >/dev/null | FileCheck %s
; Check the internal option that warns when the stack size exceeds the
; given amount.
; <rdar://13987214>
; CHECK-NOT: nowarn
define void @nowarn() nounwind ssp {
entry:
%buffer = alloca [12 x i8], align 1
%arraydecay = getelementptr inbounds [12 x i8], [12 x i8]* %buffer, i64 0, i64 0
call void @doit(i8* %arraydecay) nounwind
ret void
}
; CHECK: warning: stack size limit exceeded (96) in warn
define void @warn() nounwind ssp {
entry:
%buffer = alloca [80 x i8], align 1
%arraydecay = getelementptr inbounds [80 x i8], [80 x i8]* %buffer, i64 0, i64 0
call void @doit(i8* %arraydecay) nounwind
ret void
}
declare void @doit(i8*)
|
