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1; RUN: opt < %s -licm -S | FileCheck %s
2
3target datalayout = "e-p:32:32-p1:64:64-p4:64:64"
4
5; Make sure isDereferenceableAndAlignePointer() doesn't crash when looking
6; walking pointer defs with an addrspacecast that changes pointer size.
7; CHECK-LABEL: @addrspacecast_crash
8define void @addrspacecast_crash() {
9bb:
10  %tmp = alloca [256 x i32]
11  br label %bb1
12
13bb1:
14  %tmp2 = getelementptr inbounds [256 x i32], [256 x i32]* %tmp, i32 0, i32 36
15  %tmp3 = bitcast i32* %tmp2 to <4 x i32>*
16  %tmp4 = addrspacecast <4 x i32>* %tmp3 to <4 x i32> addrspace(4)*
17  %tmp5 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp4
18  %tmp6 = xor <4 x i32> %tmp5, undef
19  store <4 x i32> %tmp6, <4 x i32> addrspace(1)* undef
20  br label %bb1
21}
22