mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 13:02:52 +02:00
474d9dcceb
Option: -mllvm -warn-stack-size=<limit> Output (if limit is exceeded): warning: Stack size limit exceeded (<actual size>) in <functionName>. The longer term plan is to hook that to a clang warning. PR:4072 <rdar://problem/13987214> llvm-svn: 183552
25 lines
710 B
LLVM
25 lines
710 B
LLVM
; RUN: llc -march x86 -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]* %buffer, i64 0, i64 0
|
|
call void @doit(i8* %arraydecay) nounwind
|
|
ret void
|
|
}
|
|
|
|
; CHECK: warning: Stack size limit exceeded (92) in warn.
|
|
define void @warn() nounwind ssp {
|
|
entry:
|
|
%buffer = alloca [80 x i8], align 1
|
|
%arraydecay = getelementptr inbounds [80 x i8]* %buffer, i64 0, i64 0
|
|
call void @doit(i8* %arraydecay) nounwind
|
|
ret void
|
|
}
|
|
|
|
declare void @doit(i8*)
|