1 ; RUN: opt -S -passes=globalopt < %s | FileCheck %s
2 ;; Check that Global Opt preserves address space of llvm.used and
3 ;; llvm.compiler.used variables.
5 %struct.FakeDeviceGlobal = type { ptr addrspace(4) }
6 %class.anon = type { i8 }
8 @_ZM2C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8
9 @_ZL1C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8
11 @llvm.compiler.used = appending global [2 x ptr addrspace(4)] [ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4))]
13 ; CHECK: @llvm.compiler.used = appending global [2 x ptr addrspace(4)] [ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4))]
15 define weak_odr dso_local void @foo() {
17 %A = alloca %class.anon, align 1
18 %A.addrspacecast = addrspacecast ptr %A to ptr addrspace(4)
19 call void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %A.addrspacecast)
23 define internal void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %this) align 2 {
25 %this.addr = alloca ptr addrspace(4), align 8
26 %this.addr.ascast = addrspacecast ptr %this.addr to ptr addrspace(4)
27 store ptr addrspace(4) %this, ptr addrspace(4) %this.addr.ascast, align 8
28 %v1 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), align 8
29 store i32 42, ptr addrspace(4) %v1, align 4
30 %v2 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), align 8
31 store i32 42, ptr addrspace(4) %v2, align 4