1 ; RUN: opt < %s -loop-unswitch -S | FileCheck %s
2 ; RUN: opt < %s -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s
4 ; In cases where two address spaces do not have the same size pointer, the
5 ; input for the addrspacecast should not be used as a substitute for itself
6 ; when manipulating the pointer.
8 target datalayout = "e-m:e-p:16:16-p1:32:16-i32:16-i64:16-n8:16"
13 %arrayidx.i1 = getelementptr inbounds i16, i16* undef, i16 undef
14 %arrayidx.i = addrspacecast i16* %arrayidx.i1 to i16 addrspace(1)*
15 br i1 undef, label %for.body.i, label %bar.exit
17 for.body.i: ; preds = %for.body.i, %entry
18 ; When we call makeLoopInvariant (i.e. trivial LICM) on this load, it
19 ; will try to find the base object to prove deferenceability. If we look
20 ; through the addrspacecast, we'll fail an assertion about bitwidths matching
21 ; CHECK-LABEL: for.body.i
22 ; CHECK: %0 = load i16, i16 addrspace(1)* %arrayidx.i, align 2
23 %0 = load i16, i16 addrspace(1)* %arrayidx.i, align 2
24 %cmp1.i = icmp eq i16 %0, 0
25 br i1 %cmp1.i, label %bar.exit, label %for.body.i
27 bar.exit: ; preds = %for.body.i, %entry