| ; 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)) |