1 ; This test checks to make sure that constant exprs don't fold in some simple 2 ; situations 3 4 ; RUN: llvm-as < %s | llvm-dis | FileCheck %s 5 6 ; Even give it a datalayout, to tempt folding as much as possible. 7 target datalayout = "p:32:32" 8 9 @A = global i64 0 10 @B = global i64 0 11 12 ; Don't fold this. @A might really be allocated next to @B, in which case the 13 ; icmp should return true. It's not valid to *dereference* in @B from a pointer 14 ; based on @A, but icmp isn't a dereference. 15 16 ; CHECK: @C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B) 17 @C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B) 18 19 ; Don't fold this completely away either. In theory this could be simplified 20 ; to only use a gep on one side of the icmp though. 21 22 ; CHECK: @D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2)) 23 @D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2)) 24
