|  | ; RUN: opt < %s -basicaa -gvn -disable-output | 
|  | ; PR1782 | 
|  |  | 
|  | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" | 
|  | target triple = "x86_64-unknown-linux-gnu" | 
|  | %struct.device = type { [20 x i8] } | 
|  | %struct.pci_device_id = type { i32, i32, i32, i32, i32, i32, i64 } | 
|  | %struct.usb_bus = type { %struct.device* } | 
|  | %struct.usb_hcd = type { %struct.usb_bus, [0 x i64] } | 
|  | @pci_ids = external constant [1 x %struct.pci_device_id]		; <[1 x %struct.pci_device_id]*> [#uses=1] | 
|  |  | 
|  | @__mod_pci_device_table = alias [1 x %struct.pci_device_id]* @pci_ids		; <[1 x %struct.pci_device_id]*> [#uses=0] | 
|  |  | 
|  | define i32 @ehci_pci_setup(%struct.usb_hcd* %hcd) { | 
|  | entry: | 
|  | %tmp14 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 0, i32 0		; <%struct.device**> [#uses=1] | 
|  | %tmp15 = load %struct.device** %tmp14, align 8		; <%struct.device*> [#uses=0] | 
|  | br i1 false, label %bb25, label %return | 
|  |  | 
|  | bb25:		; preds = %entry | 
|  | br i1 false, label %cond_true, label %return | 
|  |  | 
|  | cond_true:		; preds = %bb25 | 
|  | %tmp601 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 1, i64 2305843009213693951		; <i64*> [#uses=1] | 
|  | %tmp67 = bitcast i64* %tmp601 to %struct.device**		; <%struct.device**> [#uses=1] | 
|  | %tmp68 = load %struct.device** %tmp67, align 8		; <%struct.device*> [#uses=0] | 
|  | ret i32 undef | 
|  |  | 
|  | return:		; preds = %bb25, %entry | 
|  | ret i32 undef | 
|  | } |