1; RUN: opt -S -codegenprepare < %s | FileCheck %s
2; RUN: opt -S -codegenprepare -addr-sink-using-gep=false < %s | FileCheck %s
3
4; This target data layout is modified to have a non-integral addrspace(1),
5; in order to verify that codegenprepare does not try to introduce illegal
6; inttoptrs.
7target datalayout =
8"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-ni:1"
9target triple = "x86_64-unknown-linux-gnu"
10
11define void @test_simple(i1 %cond, i64 addrspace(1)* %base) {
12; CHECK-LABEL: @test_simple
13; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
14entry:
15  %addr = getelementptr inbounds i64, i64 addrspace(1)* %base, i64 5
16  %casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
17  br i1 %cond, label %if.then, label %fallthrough
18
19if.then:
20  %v = load i32, i32 addrspace(1)* %casted, align 4
21  br label %fallthrough
22
23fallthrough:
24  ret void
25}
26
27
28define void @test_inttoptr_base(i1 %cond, i64 %base) {
29; CHECK-LABEL: @test_inttoptr_base
30; CHECK-NOT: inttoptr {{.*}} to i64 addrspace(1)*
31entry:
32; Doing the inttoptr in the integral addrspace(0) followed by an explicit
33; (frontend-introduced) addrspacecast is fine. We cannot however introduce
34; a direct inttoptr to addrspace(1)
35  %baseptr = inttoptr i64 %base to i64*
36  %baseptrni = addrspacecast i64 *%baseptr to i64 addrspace(1)*
37  %addr = getelementptr inbounds i64, i64 addrspace(1)* %baseptrni, i64 5
38  %casted = bitcast i64 addrspace(1)* %addr to i32 addrspace(1)*
39  br i1 %cond, label %if.then, label %fallthrough
40
41if.then:
42  %v = load i32, i32 addrspace(1)* %casted, align 4
43  br label %fallthrough
44
45fallthrough:
46  ret void
47}
48
49define void @test_ptrtoint_base(i1 %cond, i64 addrspace(1)* %base) {
50; CHECK-LABEL: @test_ptrtoint_base
51; CHECK-NOT: ptrtoint addrspace(1)* {{.*}} to i64
52entry:
53; This one is inserted by the frontend, so it's fine. We're not allowed to
54; directly ptrtoint %base ourselves though
55  %baseptr0 = addrspacecast i64 addrspace(1)* %base to i64*
56  %toint = ptrtoint i64* %baseptr0 to i64
57  %added = add i64 %toint, 8
58  %toptr = inttoptr i64 %added to i64*
59  %geped = getelementptr i64, i64* %toptr, i64 2
60  br i1 %cond, label %if.then, label %fallthrough
61
62if.then:
63  %v = load i64, i64* %geped, align 4
64  br label %fallthrough
65
66fallthrough:
67  ret void
68}
69