22 lines
722 B
LLVM
22 lines
722 B
LLVM
|
; 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
|
||
|
}
|