forked from OSchip/llvm-project
27 lines
1.1 KiB
LLVM
27 lines
1.1 KiB
LLVM
; RUN: opt -gvn -S < %s | FileCheck %s
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; Make sure we don't crash when analyzing an addrspacecast in
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; GetPointerBaseWithConstantOffset()
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target datalayout = "e-p:32:32-p4:64:64"
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define i32 @addrspacecast-crash() {
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; CHECK-LABEL: @addrspacecast-crash
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; CHECK: %tmp = alloca [25 x i64]
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; CHECK: %tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0
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; CHECK: %tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)*
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; CHECK: store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp2
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; CHECK-NOT: load
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bb:
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%tmp = alloca [25 x i64]
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%tmp1 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0
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%tmp2 = addrspacecast i64* %tmp1 to <8 x i64> addrspace(4)*
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%tmp3 = getelementptr inbounds <8 x i64>, <8 x i64> addrspace(4)* %tmp2, i64 0
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store <8 x i64> zeroinitializer, <8 x i64> addrspace(4)* %tmp3
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%tmp4 = getelementptr inbounds [25 x i64], [25 x i64]* %tmp, i32 0, i32 0
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%tmp5 = addrspacecast i64* %tmp4 to i32 addrspace(4)*
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%tmp6 = getelementptr inbounds i32, i32 addrspace(4)* %tmp5, i64 10
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%tmp7 = load i32, i32 addrspace(4)* %tmp6, align 4
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ret i32 %tmp7
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}
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