| ; RUN: llc -mtriple x86_64-apple-macosx10.8.0 -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 (88) 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*) |
