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 3; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 4; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 5 6%struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t } 7%struct.__sigset_t = type { [16 x i64] } 8 9@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 10@buf = internal global [1 x %struct.__jmp_buf_tag] zeroinitializer, align 16 11 12; setjmp/longjmp test. 13; Requires protector. 14define i32 @foo() nounwind uwtable safestack { 15entry: 16 ; CHECK: %[[SP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr 17 ; CHECK: %[[STATICTOP:.*]] = getelementptr i8, ptr %[[SP]], i32 -16 18 %retval = alloca i32, align 4 19 %x = alloca i32, align 4 20 store i32 0, ptr %retval 21 store i32 42, ptr %x, align 4 22 %call = call i32 @_setjmp(ptr @buf) returns_twice 23 ; CHECK: setjmp 24 ; CHECK-NEXT: store ptr %[[STATICTOP]], ptr @__safestack_unsafe_stack_ptr 25 %tobool = icmp ne i32 %call, 0 26 br i1 %tobool, label %if.else, label %if.then 27if.then: ; preds = %entry 28 call void @funcall(ptr %x) 29 br label %if.end 30if.else: ; preds = %entry 31 call i32 (...) @dummy() 32 br label %if.end 33if.end: ; preds = %if.else, %if.then 34 ret i32 0 35} 36 37declare i32 @_setjmp(ptr) 38declare void @funcall(ptr) 39declare i32 @dummy(...) 40