xref: /llvm-project/llvm/test/Transforms/CodeGenPrepare/X86/nonintegral.ll (revision f1ec0d12bb0843f0deab83ef2b5cf1339cbc4f0b)
1; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' < %s | FileCheck %s
2; RUN: opt -S -passes='require<profile-summary>,function(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, ptr addrspace(1) %base) {
12; CHECK-LABEL: @test_simple
13; CHECK-NOT: inttoptr {{.*}} to ptr addrspace(1)
14entry:
15  %addr = getelementptr inbounds i64, ptr addrspace(1) %base, i64 5
16  br i1 %cond, label %if.then, label %fallthrough
17
18if.then:
19  %v = load i32, ptr addrspace(1) %addr, align 4
20  br label %fallthrough
21
22fallthrough:
23  ret void
24}
25
26
27define void @test_inttoptr_base(i1 %cond, i64 %base) {
28; CHECK-LABEL: @test_inttoptr_base
29; CHECK-NOT: inttoptr {{.*}} to ptr addrspace(1)
30entry:
31; Doing the inttoptr in the integral addrspace(0) followed by an explicit
32; (frontend-introduced) addrspacecast is fine. We cannot however introduce
33; a direct inttoptr to addrspace(1)
34  %baseptr = inttoptr i64 %base to ptr
35  %baseptrni = addrspacecast ptr %baseptr to ptr addrspace(1)
36  %addr = getelementptr inbounds i64, ptr addrspace(1) %baseptrni, i64 5
37  br i1 %cond, label %if.then, label %fallthrough
38
39if.then:
40  %v = load i32, ptr addrspace(1) %addr, align 4
41  br label %fallthrough
42
43fallthrough:
44  ret void
45}
46
47define void @test_ptrtoint_base(i1 %cond, ptr addrspace(1) %base) {
48; CHECK-LABEL: @test_ptrtoint_base
49; CHECK-NOT: ptrtoint addrspace(1)* {{.*}} to i64
50entry:
51; This one is inserted by the frontend, so it's fine. We're not allowed to
52; directly ptrtoint %base ourselves though
53  %baseptr0 = addrspacecast ptr addrspace(1) %base to ptr
54  %toint = ptrtoint ptr %baseptr0 to i64
55  %added = add i64 %toint, 8
56  %toptr = inttoptr i64 %added to ptr
57  %geped = getelementptr i64, ptr %toptr, i64 2
58  br i1 %cond, label %if.then, label %fallthrough
59
60if.then:
61  %v = load i64, ptr %geped, align 4
62  br label %fallthrough
63
64fallthrough:
65  ret void
66}
67