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1; RUN: opt -S -passes=globalopt < %s | FileCheck %s2;; Check that Global Opt preserves address space of llvm.used and3;; llvm.compiler.used variables.4 5%struct.FakeDeviceGlobal = type { ptr addrspace(4) }6%class.anon = type { i8 }7 8@_ZM2C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 89@_ZL1C = internal addrspace(1) global %struct.FakeDeviceGlobal zeroinitializer, align 810 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))]12 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))]14 15define weak_odr dso_local void @foo() {16entry:17 %A = alloca %class.anon, align 118 %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)20 ret void21}22 23define internal void @bar(ptr addrspace(4) noundef align 1 dereferenceable_or_null(1) %this) align 2 {24entry:25 %this.addr = alloca ptr addrspace(4), align 826 %this.addr.ascast = addrspacecast ptr %this.addr to ptr addrspace(4)27 store ptr addrspace(4) %this, ptr addrspace(4) %this.addr.ascast, align 828 %v1 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZM2C to ptr addrspace(4)), align 829 store i32 42, ptr addrspace(4) %v1, align 430 %v2 = load ptr addrspace(4), ptr addrspace(4) addrspacecast (ptr addrspace(1) @_ZL1C to ptr addrspace(4)), align 831 store i32 42, ptr addrspace(4) %v2, align 432 ret void33}34 35