| ; RUN: not llc -mtriple=thumbv8m.main-eabi %s -o - 2>&1 | FileCheck %s |
| |
| %struct.two_ints = type { i32, i32 } |
| %struct.__va_list = type { ptr } |
| |
| define void @test1(ptr noalias nocapture sret(%struct.two_ints) align 4 %agg.result) "cmse_nonsecure_entry" { |
| entry: |
| store i64 8589934593, ptr %agg.result, align 4 |
| ret void |
| } |
| ; CHECK: error: {{.*}}test1{{.*}}: secure entry function would return value through pointer |
| |
| define void @test2(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) "cmse_nonsecure_entry" { |
| entry: |
| ret void |
| } |
| ; CHECK: error: {{.*}}test2{{.*}}: secure entry function requires arguments on stack |
| |
| define void @test3(ptr nocapture %p) { |
| entry: |
| tail call void %p(i32 1, i32 2, i32 3, i32 4, i32 5) "cmse_nonsecure_call" |
| ret void |
| } |
| ; CHECK: error: {{.*}}test3{{.*}}: call to non-secure function would require passing arguments on stack |
| |
| |
| define void @test4(ptr nocapture %p) { |
| entry: |
| %r = alloca %struct.two_ints, align 4 |
| call void %p(ptr nonnull sret(%struct.two_ints) align 4 %r) "cmse_nonsecure_call" |
| ret void |
| } |
| ; CHECK: error: {{.*}}test4{{.*}}: call to non-secure function would return value through pointer |
| |
| declare void @llvm.va_start(ptr) "nounwind" |
| |
| declare void @llvm.va_end(ptr) "nounwind" |
| |
| define i32 @test5(i32 %a, ...) "cmse_nonsecure_entry" { |
| entry: |
| %vl = alloca %struct.__va_list, align 4 |
| call void @llvm.va_start(ptr nonnull %vl) |
| %argp.cur = load ptr, ptr %vl, align 4 |
| %argp.next = getelementptr inbounds i8, ptr %argp.cur, i32 4 |
| store ptr %argp.next, ptr %vl, align 4 |
| %0 = load i32, ptr %argp.cur, align 4 |
| call void @llvm.va_end(ptr nonnull %vl) |
| ret i32 %0 |
| } |
| ; CHECK: error: {{.*}}test5{{.*}}: secure entry function must not be variadic |
| |
| define void @test6(ptr nocapture %p) { |
| entry: |
| tail call void (i32, ...) %p(i32 1, i32 2, i32 3, i32 4, i32 5) "cmse_nonsecure_call" |
| ret void |
| } |
| ; CHECK: error: {{.*}}test6{{.*}}: call to non-secure function would require passing arguments on stack |
| |
| define void @neg_test1(ptr nocapture %p) { |
| entry: |
| tail call void (i32, ...) %p(i32 1, i32 2, i32 3, i32 4) "cmse_nonsecure_call" |
| ret void |
| } |
| |
| define void @neg_test2(i32 %a, ...) "cmse_nonsecure_entry" { |
| entry: |
| ret void |
| } |
| ; CHECK-NOT: error: |