| ; RUN: not llvm-as -o /dev/null %s 2>&1 | FileCheck %s |
| ; PR1633 |
| |
| declare void @llvm.gcroot(ptr, ptr) |
| |
| define void @caller_must_use_gc() { |
| ; CHECK: Enclosing function does not use GC. |
| ; CHECK-NEXT: call void @llvm.gcroot(ptr %alloca, ptr null) |
| %alloca = alloca ptr |
| call void @llvm.gcroot(ptr %alloca, ptr null) |
| ret void |
| } |
| |
| define void @must_be_alloca() gc "test" { |
| ; CHECK: llvm.gcroot parameter #1 must be an alloca. |
| ; CHECK-NEXT: call void @llvm.gcroot(ptr null, ptr null) |
| call void @llvm.gcroot(ptr null, ptr null) |
| ret void |
| } |
| |
| define void @non_ptr_alloca_null() gc "test" { |
| ; CHECK: llvm.gcroot parameter #1 must either be a pointer alloca, or argument #2 must be a non-null constant. |
| ; CHECK-NEXT: call void @llvm.gcroot(ptr %alloca, ptr null) |
| %alloca = alloca i32 |
| call void @llvm.gcroot(ptr %alloca, ptr null) |
| ret void |
| } |
| |
| define void @non_constant_arg1(ptr %arg) gc "test" { |
| ; CHECK: llvm.gcroot parameter #2 must be a constant. |
| ; CHECK-NEXT: call void @llvm.gcroot(ptr %alloca, ptr %arg) |
| %alloca = alloca ptr |
| call void @llvm.gcroot(ptr %alloca, ptr %arg) |
| ret void |
| } |
| |
| define void @non_ptr_alloca_non_null() gc "test" { |
| ; CHECK-NOT: llvm.gcroot parameter |
| %alloca = alloca i32 |
| call void @llvm.gcroot(ptr %alloca, ptr inttoptr (i64 123 to ptr)) |
| ret void |
| } |
| |
| define void @casted_alloca() gc "test" { |
| ; CHECK-NOT: llvm.gcroot parameter |
| %alloca = alloca ptr |
| call void @llvm.gcroot(ptr %alloca, ptr null) |
| ret void |
| } |