| Tom Stellard | 17eb341 | 2016-10-07 14:23:29 +0000 | [diff] [blame] | 1 | ; RUN: opt -gvn -S < %s | FileCheck %s |
| 2 | |
| 3 | ; Make sure we don't crash when analyzing an addrspacecast in |
| 4 | ; GetPointerBaseWithConstantOffset() |
| 5 | |
| 6 | target datalayout = "e-p:32:32-p4:64:64" |
| 7 | |
| 8 | define i32 @addrspacecast-crash() { |
| 9 | ; CHECK-LABEL: @addrspacecast-crash |
| 10 | ; CHECK: %tmp = alloca [25 x i64] |
| 11 | ; CHECK: %tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 |
| 12 | ; CHECK: %tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)* |
| 13 | ; CHECK: store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp2 |
| 14 | ; CHECK-NOT: load |
| 15 | bb: |
| 16 | %tmp = alloca [25 x i64] |
| 17 | %tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 |
| 18 | %tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)* |
| 19 | %tmp3 = getelementptr inbounds <8 x i64>, <8 x i64> addrspace(4)* %tmp2, i64 0 |
| 20 | store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp3 |
| 21 | %tmp4 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0 |
| 22 | %tmp5 = addrspacecast i64* %tmp4 to i32 addrspace(4)* |
| 23 | %tmp6 = getelementptr inbounds i32, i32 addrspace(4)* %tmp5, i64 10 |
| 24 | %tmp7 = load i32, i32 addrspace(4)* %tmp6, align 4 |
| 25 | ret i32 %tmp7 |
| 26 | } |