1; RUN: not llc -mtriple=thumbv8m.main-eabi %s -o - 2>&1 | FileCheck %s 2 3%struct.two_ints = type { i32, i32 } 4%struct.__va_list = type { ptr } 5 6define void @test1(ptr noalias nocapture sret(%struct.two_ints) align 4 %agg.result) "cmse_nonsecure_entry" { 7entry: 8 store i64 8589934593, ptr %agg.result, align 4 9 ret void 10} 11; CHECK: error: {{.*}}test1{{.*}}: secure entry function would return value through pointer 12 13define void @test2(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) "cmse_nonsecure_entry" { 14entry: 15 ret void 16} 17; CHECK: error: {{.*}}test2{{.*}}: secure entry function requires arguments on stack 18 19define void @test3(ptr nocapture %p) { 20entry: 21 tail call void %p(i32 1, i32 2, i32 3, i32 4, i32 5) "cmse_nonsecure_call" 22 ret void 23} 24; CHECK: error: {{.*}}test3{{.*}}: call to non-secure function would require passing arguments on stack 25 26 27define void @test4(ptr nocapture %p) { 28entry: 29 %r = alloca %struct.two_ints, align 4 30 call void %p(ptr nonnull sret(%struct.two_ints) align 4 %r) "cmse_nonsecure_call" 31 ret void 32} 33; CHECK: error: {{.*}}test4{{.*}}: call to non-secure function would return value through pointer 34 35declare void @llvm.va_start(ptr) "nounwind" 36 37declare void @llvm.va_end(ptr) "nounwind" 38 39define i32 @test5(i32 %a, ...) "cmse_nonsecure_entry" { 40entry: 41 %vl = alloca %struct.__va_list, align 4 42 call void @llvm.va_start(ptr nonnull %vl) 43 %argp.cur = load ptr, ptr %vl, align 4 44 %argp.next = getelementptr inbounds i8, ptr %argp.cur, i32 4 45 store ptr %argp.next, ptr %vl, align 4 46 %0 = load i32, ptr %argp.cur, align 4 47 call void @llvm.va_end(ptr nonnull %vl) 48 ret i32 %0 49} 50; CHECK: error: {{.*}}test5{{.*}}: secure entry function must not be variadic 51 52define void @test6(ptr nocapture %p) { 53entry: 54 tail call void (i32, ...) %p(i32 1, i32 2, i32 3, i32 4, i32 5) "cmse_nonsecure_call" 55 ret void 56} 57; CHECK: error: {{.*}}test6{{.*}}: call to non-secure function would require passing arguments on stack 58 59define void @neg_test1(ptr nocapture %p) { 60entry: 61 tail call void (i32, ...) %p(i32 1, i32 2, i32 3, i32 4) "cmse_nonsecure_call" 62 ret void 63} 64 65define void @neg_test2(i32 %a, ...) "cmse_nonsecure_entry" { 66entry: 67 ret void 68} 69; CHECK-NOT: error: 70