1 ; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
3 ; Test that pure addrspacecast instructions not directly connected to
4 ; a memory operation are inferred.
6 ; CHECK-LABEL: @addrspacecast_gep_addrspacecast(
7 ; CHECK: %gep0 = getelementptr i32, i32 addrspace(3)* %ptr, i64 9
8 ; CHECK-NEXT: store i32 8, i32 addrspace(3)* %gep0, align 8
10 define void @addrspacecast_gep_addrspacecast(i32 addrspace(3)* %ptr) {
11 %asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
12 %gep0 = getelementptr i32, i32* %asc0, i64 9
13 %asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
14 store i32 8, i32 addrspace(3)* %asc1, align 8
18 ; CHECK-LABEL: @addrspacecast_different_pointee_type(
19 ; CHECK: [[GEP:%.*]] = getelementptr i32, i32 addrspace(3)* %ptr, i64 9
20 ; CHECK: [[CAST:%.*]] = bitcast i32 addrspace(3)* [[GEP]] to i8 addrspace(3)*
21 ; CHECK-NEXT: store i8 8, i8 addrspace(3)* [[CAST]], align 8
22 ; CHECK-NEXT: ret void
23 define void @addrspacecast_different_pointee_type(i32 addrspace(3)* %ptr) {
24 %asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
25 %gep0 = getelementptr i32, i32* %asc0, i64 9
26 %asc1 = addrspacecast i32* %gep0 to i8 addrspace(3)*
27 store i8 8, i8 addrspace(3)* %asc1, align 8
31 ; CHECK-LABEL: @addrspacecast_to_memory(
32 ; CHECK: %gep0 = getelementptr i32, i32 addrspace(3)* %ptr, i64 9
33 ; CHECK-NEXT: store volatile i32 addrspace(3)* %gep0, i32 addrspace(3)* addrspace(1)* undef
34 ; CHECK-NEXT: ret void
35 define void @addrspacecast_to_memory(i32 addrspace(3)* %ptr) {
36 %asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
37 %gep0 = getelementptr i32, i32* %asc0, i64 9
38 %asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
39 store volatile i32 addrspace(3)* %asc1, i32 addrspace(3)* addrspace(1)* undef
43 ; CHECK-LABEL: @multiuse_addrspacecast_gep_addrspacecast(
44 ; CHECK: %asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
45 ; CHECK-NEXT: store volatile i32* %asc0, i32* addrspace(1)* undef
46 ; CHECK-NEXT: %gep0 = getelementptr i32, i32 addrspace(3)* %ptr, i64 9
47 ; CHECK-NEXT: store i32 8, i32 addrspace(3)* %gep0, align 8
48 ; CHECK-NEXT: ret void
49 define void @multiuse_addrspacecast_gep_addrspacecast(i32 addrspace(3)* %ptr) {
50 %asc0 = addrspacecast i32 addrspace(3)* %ptr to i32*
51 store volatile i32* %asc0, i32* addrspace(1)* undef
52 %gep0 = getelementptr i32, i32* %asc0, i64 9
53 %asc1 = addrspacecast i32* %gep0 to i32 addrspace(3)*
54 store i32 8, i32 addrspace(3)* %asc1, align 8