1 ; RUN: llc -mtriple thumbv7-apple-ios3.0.0 -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 7 define void @nowarn() nounwind ssp { 8 entry: 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 (92) in warn 16 define void @warn() nounwind ssp { 17 entry: 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 24 declare void @doit(i8*) 25
