xref: /llvm-project/llvm/test/Transforms/GlobalOpt/address_space_initializer.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1; RUN: opt -passes=globalopt < %s -S | FileCheck %s
2; RUN: opt -passes=globalopt --mtriple=nvptx64 < %s -S | FileCheck %s --check-prefix=GPU
3; RUN: opt -passes=globalopt --mtriple=amdgcn < %s -S | FileCheck %s --check-prefix=GPU
4; REQUIRES: amdgpu-registered-target, nvptx-registered-target
5
6; Check that we don't try to set a global initializer for non AS(0) globals.
7
8@g0 = internal global i16 undef
9@g1 = internal addrspace(3) global i16 undef
10@g2 = internal addrspace(1) global i16 undef
11; CHECK-NOT: @g0 =
12; CHECK: internal unnamed_addr addrspace(3) global i16 undef
13; CHECK: internal unnamed_addr addrspace(1) global i16 undef
14; GPU-NOT: @g0 =
15; GPU: internal unnamed_addr addrspace(3) global i16 undef
16; GPU-NOT: @g2 =
17
18define void @a() {
19  store i16 3, ptr @g0, align 8
20  store i16 5, ptr addrspacecast (ptr addrspace(3) @g1 to ptr), align 8
21  store i16 7, ptr addrspacecast (ptr addrspace(1) @g2 to ptr), align 8
22  ret void
23}
24
25define i8 @get0() {
26  %gep = getelementptr i8, ptr @g0, i64 1
27  %r = load i8, ptr %gep
28  ret i8 %r
29}
30define i8 @get1() {
31  %ac = addrspacecast ptr addrspace(3) @g1 to ptr
32  %gep = getelementptr i8, ptr %ac, i64 1
33  %r = load i8, ptr %gep
34  ret i8 %r
35}
36define i8 @get2() {
37  %ac = addrspacecast ptr addrspace(1) @g2 to ptr
38  %gep = getelementptr i8, ptr %ac, i64 1
39  %r = load i8, ptr %gep
40  ret i8 %r
41}
42