20 lines
649 B
LLVM
20 lines
649 B
LLVM
; RUN: opt < %s -passes=licm -S | FileCheck %s
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target datalayout = "e-p:32:32-p1:64:64-p4:64:64"
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; Make sure isDereferenceableAndAlignePointer() doesn't crash when looking
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; walking pointer defs with an addrspacecast that changes pointer size.
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; CHECK-LABEL: @addrspacecast_crash
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define void @addrspacecast_crash() {
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bb:
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%tmp = alloca [256 x i32]
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br label %bb1
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bb1:
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%tmp2 = getelementptr inbounds [256 x i32], ptr %tmp, i32 0, i32 36
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%tmp4 = addrspacecast ptr %tmp2 to ptr addrspace(4)
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%tmp5 = load <4 x i32>, ptr addrspace(4) %tmp4
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%tmp6 = xor <4 x i32> %tmp5, undef
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store <4 x i32> %tmp6, ptr addrspace(1) undef
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br label %bb1
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}
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