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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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21
external/llvm/test/Analysis/ValueTracking/dereferenceable-and-aligned.ll vendored Normal file
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; RUN: opt < %s -licm -S | FileCheck %s
target datalayout = "e-p:32:32-p1:64:64-p4:64:64"
; Make sure isDereferenceableAndAlignePointer() doesn't crash when looking
; walking pointer defs with an addrspacecast that changes pointer size.
; CHECK-LABEL: @addrspacecast_crash
define void @addrspacecast_crash() {
bb:
%tmp = alloca [256 x i32]
br label %bb1
bb1:
%tmp2 = getelementptr inbounds [256 x i32], [256 x i32]* %tmp, i32 0, i32 36
%tmp3 = bitcast i32* %tmp2 to <4 x i32>*
%tmp4 = addrspacecast <4 x i32>* %tmp3 to <4 x i32> addrspace(4)*
%tmp5 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp4
%tmp6 = xor <4 x i32> %tmp5, undef
store <4 x i32> %tmp6, <4 x i32> addrspace(1)* undef
br label %bb1
}