1 ; This test checks to make sure that constant exprs fold in some simple situations
3 ; RUN: llvm-as < %s | llvm-dis | FileCheck %s
4 ; RUN: verify-uselistorder %s
11 @A = global ptr null ; Cast null -> fold
12 @B = global ptr @A ; Cast to same type -> fold
13 @C = global i32 trunc (i64 42 to i32) ; Integral casts
14 @D = global ptr @C ; cast of cast ptr->ptr
15 @E = global i32 ptrtoint(ptr inttoptr (i8 5 to ptr) to i32) ; i32 -> ptr -> i32
17 ; Test folding of binary instrs
18 @F = global ptr inttoptr (i32 add (i32 5, i32 -5) to ptr)
19 @G = global ptr inttoptr (i32 sub (i32 5, i32 5) to ptr)
21 ; Address space cast AS0 null-> AS1 null
22 @H = global ptr addrspace(1) addrspacecast(ptr null to ptr addrspace(1))
24 ; Address space cast AS1 null-> AS0 null
25 @I = global ptr addrspacecast(ptr addrspace(1) null to ptr)
28 @J = external global { i32 }