1 ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2 ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
4 %struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t }
5 %struct.__sigset_t = type { [16 x i64] }
7 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
8 @buf = internal global [1 x %struct.__jmp_buf_tag] zeroinitializer, align 16
10 ; setjmp/longjmp test.
12 define i32 @foo() nounwind uwtable safestack {
14 ; CHECK: %[[SP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
15 ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, i8* %[[SP]], i32 -16
16 %retval = alloca i32, align 4
17 %x = alloca i32, align 4
18 store i32 0, i32* %retval
19 store i32 42, i32* %x, align 4
20 %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
22 ; CHECK-NEXT: store i8* %[[STATICTOP]], i8** @__safestack_unsafe_stack_ptr
23 %tobool = icmp ne i32 %call, 0
24 br i1 %tobool, label %if.else, label %if.then
25 if.then: ; preds = %entry
26 call void @funcall(i32* %x)
28 if.else: ; preds = %entry
29 call i32 (...) @dummy()
31 if.end: ; preds = %if.else, %if.then
35 declare i32 @_setjmp(%struct.__jmp_buf_tag*)
36 declare void @funcall(i32*)
37 declare i32 @dummy(...)