1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -safe-stack < %s | FileCheck %s 3; RUN: opt -S -passes=safe-stack < %s | FileCheck %s 4 5target triple = "x86_64-unknown-unknown" 6 7define void @min_of_pointers(ptr %p) safestack { 8; CHECK-LABEL: @min_of_pointers( 9; CHECK-NEXT: [[UNSAFE_STACK_PTR:%.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr, align 8 10; CHECK-NEXT: [[UNSAFE_STACK_STATIC_TOP:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -16 11; CHECK-NEXT: store ptr [[UNSAFE_STACK_STATIC_TOP]], ptr @__safestack_unsafe_stack_ptr, align 8 12; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -4 13; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[TMP1]], [[P:%.*]] 14; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -4 15; CHECK-NEXT: [[S:%.*]] = select i1 [[CMP]], ptr [[TMP2]], ptr [[P]] 16; CHECK-NEXT: store i32 0, ptr [[S]], align 4 17; CHECK-NEXT: store ptr [[UNSAFE_STACK_PTR]], ptr @__safestack_unsafe_stack_ptr, align 8 18; CHECK-NEXT: ret void 19; 20 %a = alloca i32 21 %cmp = icmp ult ptr %a, %p 22 %s = select i1 %cmp, ptr %a, ptr %p 23 store i32 0, ptr %s 24 ret void 25} 26