1*6e54a57cSNawal Copty; RUN: opt -S -passes=globalopt < %s | FileCheck %s 2*6e54a57cSNawal Copty;; Check that Global Opt preserves address space of llvm.used and 3*6e54a57cSNawal Copty;; llvm.compiler.used variables. 4*6e54a57cSNawal Copty 5*6e54a57cSNawal Copty%struct.FakeDeviceGlobal = type { ptr addrspace(4) } 6*6e54a57cSNawal Copty%class.anon = type { i8 } 7*6e54a57cSNawal Copty 8*6e54a57cSNawal Copty@_ZM2C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8 9*6e54a57cSNawal Copty@_ZL1C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 8 10*6e54a57cSNawal Copty 11*6e54a57cSNawal Copty@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))] 12*6e54a57cSNawal Copty 13*6e54a57cSNawal Copty; 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))] 14*6e54a57cSNawal Copty 15*6e54a57cSNawal Coptydefine weak_odr dso_local void @foo() { 16*6e54a57cSNawal Coptyentry: 17*6e54a57cSNawal Copty %A = alloca %class.anon, align 1 18*6e54a57cSNawal Copty %A.addrspacecast = addrspacecast ptr %A to ptr addrspace(4) 19*6e54a57cSNawal Copty call void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %A.addrspacecast) 20*6e54a57cSNawal Copty ret void 21*6e54a57cSNawal Copty} 22*6e54a57cSNawal Copty 23*6e54a57cSNawal Coptydefine internal void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %this) align 2 { 24*6e54a57cSNawal Coptyentry: 25*6e54a57cSNawal Copty %this.addr = alloca ptr addrspace(4), align 8 26*6e54a57cSNawal Copty %this.addr.ascast = addrspacecast ptr %this.addr to ptr addrspace(4) 27*6e54a57cSNawal Copty store ptr addrspace(4) %this, ptr addrspace(4) %this.addr.ascast, align 8 28*6e54a57cSNawal Copty %v1 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), align 8 29*6e54a57cSNawal Copty store i32 42, ptr addrspace(4) %v1, align 4 30*6e54a57cSNawal Copty %v2 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), align 8 31*6e54a57cSNawal Copty store i32 42, ptr addrspace(4) %v2, align 4 32*6e54a57cSNawal Copty ret void 33*6e54a57cSNawal Copty} 34*6e54a57cSNawal Copty 35