; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s

@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1

; Addr-of in phi instruction
; Requires protector.
define void @foo() nounwind uwtable safestack {
entry:
  ; CHECK: __safestack_unsafe_stack_ptr
  %x = alloca double, align 8
  %call = call double @testi_aux() nounwind
  store double %call, ptr %x, align 8
  %cmp = fcmp ogt double %call, 3.140000e+00
  br i1 %cmp, label %if.then, label %if.else

if.then:                                          ; preds = %entry
  %call1 = call double @testi_aux() nounwind
  store double %call1, ptr %x, align 8
  br label %if.end4

if.else:                                          ; preds = %entry
  %cmp2 = fcmp ogt double %call, 1.000000e+00
  br i1 %cmp2, label %if.then3, label %if.end4

if.then3:                                         ; preds = %if.else
  br label %if.end4

if.end4:                                          ; preds = %if.else, %if.then3, %if.then
  %y.0 = phi ptr [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
  %call5 = call i32 (ptr, ...) @printf(ptr @.str, ptr %y.0) nounwind
  ret void
}

declare double @testi_aux()
declare i32 @printf(ptr, ...)