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1; RUN: opt < %s -passes=globalopt -S | FileCheck %s2 3@G = internal global i32 17 ; <ptr> [#uses=3]4; CHECK-NOT: @G5 6define void @foo() {7 %V = load i32, ptr @G ; <i32> [#uses=1]8 store i32 %V, ptr @G9 ret void10; CHECK-LABEL: @foo(11; CHECK-NEXT: ret void12}13 14define i32 @bar() {15 %X = load i32, ptr @G ; <i32> [#uses=1]16 ret i32 %X17; CHECK-LABEL: @bar(18; CHECK-NEXT: ret i32 1719}20 21@a = internal global ptr null, align 822; CHECK-NOT: @a23 24; PR1396825define void @qux() nounwind {26 %g = getelementptr ptr, ptr @a, i32 127 %cmp = icmp ne ptr null, @a28 %cmp2 = icmp eq ptr null, @a29 %cmp3 = icmp eq ptr null, %g30 store ptr inttoptr (i64 1 to ptr), ptr @a, align 831 %l = load ptr, ptr @a, align 832 ret void33; CHECK-LABEL: @qux(34; CHECK-NOT: store35; CHECK-NOT: load36}37 38@addrspacecast_a = internal global ptr null39 40define void @addrspacecast_user() {41; CHECK-LABEL: @addrspacecast_user42; CHECK-NOT: store43; CHECK-NOT: load44 %g = addrspacecast ptr @addrspacecast_a to ptr addrspace(1)45 store ptr inttoptr (i64 1 to ptr), ptr @addrspacecast_a, align 846 %l = load ptr, ptr @addrspacecast_a, align 847 ret void48}49