1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces -o - %s | FileCheck %s
3; https://github.com/llvm/llvm-project/issues/53665
4
5define i32 @addrspacecast_ptrtoint_inttoptr(i8 addrspace(1)* %arg) {
6; CHECK-LABEL: @addrspacecast_ptrtoint_inttoptr(
7; CHECK-NEXT:  bb:
8; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i8 addrspace(1)* [[ARG:%.*]] to i32 addrspace(1)*
9; CHECK-NEXT:    [[LOAD:%.*]] = load i32, i32 addrspace(1)* [[TMP0]], align 4
10; CHECK-NEXT:    ret i32 [[LOAD]]
11;
12bb:
13  %asc = addrspacecast i8 addrspace(1)* %arg to i8*
14  %p2i = ptrtoint i8* %asc to i64
15  %i2p = inttoptr i64 %p2i to i32*
16  %load = load i32, i32* %i2p
17  ret i32 %load
18}
19
20define i32 @assumed_ptrtoint_inttoptr(i8* %arg) {
21bb:
22  %is.priv = call i1 @llvm.amdgcn.is.private(i8* %arg)
23  %not.is.priv = xor i1 %is.priv, -1
24  %is.shared = call i1 @llvm.amdgcn.is.shared(i8* %arg)
25  %not.is.shared = xor i1 %is.shared, -1
26  %and = and i1 %not.is.priv, %not.is.shared
27  tail call void @llvm.assume(i1 %and)
28  %p2i = ptrtoint i8* %arg to i64
29  %i2p = inttoptr i64 %p2i to i32*
30  %load = load i32, i32* %i2p
31  ret i32 %load
32}
33
34define i32 @addrspacecast_ptrtoint_inttptr_nontrivial(i8 addrspace(3)* %arg) {
35; CHECK-LABEL: @addrspacecast_ptrtoint_inttptr_nontrivial(
36; CHECK-NEXT:  bb:
37; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i8 addrspace(3)* [[ARG:%.*]] to i32 addrspace(3)*
38; CHECK-NEXT:    [[LOAD:%.*]] = load i32, i32 addrspace(3)* [[TMP0]], align 4
39; CHECK-NEXT:    ret i32 [[LOAD]]
40;
41bb:
42  %asc = addrspacecast i8 addrspace(3)* %arg to i8*
43  %p2i = ptrtoint i8* %asc to i64
44  %i2p = inttoptr i64 %p2i to i32*
45  %load = load i32, i32* %i2p
46  ret i32 %load
47}
48
49declare void @llvm.assume(i1 noundef) #0
50declare i1 @llvm.amdgcn.is.shared(i8* nocapture) #1
51declare i1 @llvm.amdgcn.is.private(i8* nocapture) #1
52
53attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn }
54attributes #1 = { nounwind readnone speculatable willreturn }
55