view test/CodeGen/X86/warn-stack.ll @ 33:e4204d083e25

LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 54457678186b
line wrap: on
line source

; 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]* %buffer, i64 0, i64 0
  call void @doit(i8* %arraydecay) nounwind
  ret void
}

; CHECK: warning: Stack size limit exceeded (104) 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*)