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; 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
%struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t }
%struct.__sigset_t = type { [16 x i64] }
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
@buf = internal global [1 x %struct.__jmp_buf_tag] zeroinitializer, align 16
; setjmp/longjmp test.
; Requires protector.
define i32 @foo() nounwind uwtable safestack {
entry:
; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16
%retval = alloca i32, align 4
%x = alloca i32, align 4
store i32 0, i32* %retval
store i32 42, i32* %x, align 4
%call = call i32 @_setjmp(%struct.__jmp_buf_tag* getelementptr inbounds ([1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* @buf, i32 0, i32 0)) returns_twice
; CHECK: setjmp
; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr
%tobool = icmp ne i32 %call, 0
br i1 %tobool, label %if.else, label %if.then
if.then: ; preds = %entry
call void @funcall(i32* %x)
br label %if.end
if.else: ; preds = %entry
call i32 (...) @dummy()
br label %if.end
if.end: ; preds = %if.else, %if.then
ret i32 0
}
declare i32 @_setjmp(%struct.__jmp_buf_tag*)
declare void @funcall(i32*)
declare i32 @dummy(...)
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