xref: /llvm-project/llvm/test/Transforms/GlobalOpt/address_space_initializer.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1c09fbbdcSJohannes Doerfert; RUN: opt -passes=globalopt < %s -S | FileCheck %s
2c09fbbdcSJohannes Doerfert; RUN: opt -passes=globalopt --mtriple=nvptx64 < %s -S | FileCheck %s --check-prefix=GPU
3c09fbbdcSJohannes Doerfert; RUN: opt -passes=globalopt --mtriple=amdgcn < %s -S | FileCheck %s --check-prefix=GPU
4c09fbbdcSJohannes Doerfert; REQUIRES: amdgpu-registered-target, nvptx-registered-target
5c09fbbdcSJohannes Doerfert
6c09fbbdcSJohannes Doerfert; Check that we don't try to set a global initializer for non AS(0) globals.
7c09fbbdcSJohannes Doerfert
8c09fbbdcSJohannes Doerfert@g0 = internal global i16 undef
9c09fbbdcSJohannes Doerfert@g1 = internal addrspace(3) global i16 undef
10c09fbbdcSJohannes Doerfert@g2 = internal addrspace(1) global i16 undef
118d1759c4SNikita Popov; CHECK-NOT: @g0 =
12c09fbbdcSJohannes Doerfert; CHECK: internal unnamed_addr addrspace(3) global i16 undef
13c09fbbdcSJohannes Doerfert; CHECK: internal unnamed_addr addrspace(1) global i16 undef
148d1759c4SNikita Popov; GPU-NOT: @g0 =
15c09fbbdcSJohannes Doerfert; GPU: internal unnamed_addr addrspace(3) global i16 undef
168d1759c4SNikita Popov; GPU-NOT: @g2 =
17c09fbbdcSJohannes Doerfert
18c09fbbdcSJohannes Doerfertdefine void @a() {
19*d586bd5cSNikita Popov  store i16 3, ptr @g0, align 8
20*d586bd5cSNikita Popov  store i16 5, ptr addrspacecast (ptr addrspace(3) @g1 to ptr), align 8
21*d586bd5cSNikita Popov  store i16 7, ptr addrspacecast (ptr addrspace(1) @g2 to ptr), align 8
22c09fbbdcSJohannes Doerfert  ret void
23c09fbbdcSJohannes Doerfert}
24c09fbbdcSJohannes Doerfert
25c09fbbdcSJohannes Doerfertdefine i8 @get0() {
26*d586bd5cSNikita Popov  %gep = getelementptr i8, ptr @g0, i64 1
27*d586bd5cSNikita Popov  %r = load i8, ptr %gep
28c09fbbdcSJohannes Doerfert  ret i8 %r
29c09fbbdcSJohannes Doerfert}
30c09fbbdcSJohannes Doerfertdefine i8 @get1() {
31*d586bd5cSNikita Popov  %ac = addrspacecast ptr addrspace(3) @g1 to ptr
32*d586bd5cSNikita Popov  %gep = getelementptr i8, ptr %ac, i64 1
33*d586bd5cSNikita Popov  %r = load i8, ptr %gep
34c09fbbdcSJohannes Doerfert  ret i8 %r
35c09fbbdcSJohannes Doerfert}
36c09fbbdcSJohannes Doerfertdefine i8 @get2() {
37*d586bd5cSNikita Popov  %ac = addrspacecast ptr addrspace(1) @g2 to ptr
38*d586bd5cSNikita Popov  %gep = getelementptr i8, ptr %ac, i64 1
39*d586bd5cSNikita Popov  %r = load i8, ptr %gep
40c09fbbdcSJohannes Doerfert  ret i8 %r
41c09fbbdcSJohannes Doerfert}
42