2010-07-02-asm-alignstack.ll 1.23 KB
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -no-integrated-as | FileCheck %s

define void @foo() nounwind ssp {
entry:
; CHECK: foo
; CHECK: pushq
; CHECK: int $3
  call void asm sideeffect alignstack "# top of block", "~{dirflag},~{fpsr},~{flags},~{edi},~{esi},~{edx},~{ecx},~{eax}"() nounwind
  call void asm sideeffect alignstack ".file \22small.c\22", "~{dirflag},~{fpsr},~{flags}"() nounwind
  call void asm sideeffect alignstack ".line 3", "~{dirflag},~{fpsr},~{flags}"() nounwind
  call void asm sideeffect alignstack "int $$3", "~{dirflag},~{fpsr},~{flags},~{memory}"() nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}

define void @bar() nounwind ssp {
entry:
; CHECK: bar
; CHECK-NOT: pushq
; CHECK: int $3
  call void asm sideeffect "# top of block", "~{dirflag},~{fpsr},~{flags},~{edi},~{esi},~{edx},~{ecx},~{eax}"() nounwind
  call void asm sideeffect ".file \22small.c\22", "~{dirflag},~{fpsr},~{flags}"() nounwind
  call void asm sideeffect ".line 3", "~{dirflag},~{fpsr},~{flags}"() nounwind
  call void asm sideeffect "int $$3", "~{dirflag},~{fpsr},~{flags},~{memory}"() nounwind
  br label %return

return:                                           ; preds = %entry
  ret void
}