1; RUN: opt -S -codegenprepare %s -o - | FileCheck %s
2;
3; Ensure that we don't {crash,return a bad value} when given an alloca larger
4; than what a pointer can represent.
5
6target datalayout = "p:16:16"
7
8; CHECK-LABEL: @alloca_overflow_is_unknown(
9define i16 @alloca_overflow_is_unknown() {
10  %i = alloca i8, i32 65537
11  %j = call i16 @llvm.objectsize.i16.p0i8(i8* %i, i1 false, i1 false, i1 false)
12  ; CHECK: ret i16 -1
13  ret i16 %j
14}
15
16declare i16 @llvm.objectsize.i16.p0i8(i8*, i1, i1, i1)
17