File: stack-guard-memloc-vararg.ll

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llvm-toolchain-21 1%3A21.1.4-5
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; RUN: llc -mtriple=x86_64 -O0 < %s | FileCheck %s

; Check that we don't crash on this input.
; CHECK-LABEL: @foo
; CHECK: __stack_chk_guard
; CHECK: retq
define hidden void @foo(ptr %ptr) #0 {
entry:
  %args.addr = alloca ptr, align 8
  %0 = va_arg ptr %args.addr, ptr
  store ptr %0, ptr %ptr
  ret void
}

attributes #0 = { sspstrong }
attributes #1 = { optsize }