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; 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
}
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