; This test checks to make sure that constant exprs don't fold in some simple ; situations ; RUN: llvm-as < %s | llvm-dis | FileCheck %s ; Even give it a datalayout, to tempt folding as much as possible. target datalayout = "p:32:32" @A = global i64 0 @B = global i64 0 ; Don't fold this. @A might really be allocated next to @B, in which case the ; icmp should return true. It's not valid to *dereference* in @B from a pointer ; based on @A, but icmp isn't a dereference. ; CHECK: @C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B) @C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B) ; Don't fold this completely away either. In theory this could be simplified ; to only use a gep on one side of the icmp though. ; CHECK: @D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2)) @D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2)) ; CHECK: @E = global i64 addrspace(1)* addrspacecast (i64* @A to i64 addrspace(1)*) @E = global i64 addrspace(1)* addrspacecast(i64* @A to i64 addrspace(1)*)