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1; RUN: opt < %s -basicaa -gvn -disable-output
2; PR1782
3
4target 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"
5target triple = "x86_64-unknown-linux-gnu"
6	%struct.device = type { [20 x i8] }
7	%struct.pci_device_id = type { i32, i32, i32, i32, i32, i32, i64 }
8	%struct.usb_bus = type { %struct.device* }
9	%struct.usb_hcd = type { %struct.usb_bus, [0 x i64] }
10@pci_ids = external constant [1 x %struct.pci_device_id]		; <[1 x %struct.pci_device_id]*> [#uses=1]
11
12@__mod_pci_device_table = alias [1 x %struct.pci_device_id]* @pci_ids		; <[1 x %struct.pci_device_id]*> [#uses=0]
13
14define i32 @ehci_pci_setup(%struct.usb_hcd* %hcd) {
15entry:
16	%tmp14 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 0, i32 0		; <%struct.device**> [#uses=1]
17	%tmp15 = load %struct.device** %tmp14, align 8		; <%struct.device*> [#uses=0]
18	br i1 false, label %bb25, label %return
19
20bb25:		; preds = %entry
21	br i1 false, label %cond_true, label %return
22
23cond_true:		; preds = %bb25
24	%tmp601 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 1, i64 2305843009213693951		; <i64*> [#uses=1]
25	%tmp67 = bitcast i64* %tmp601 to %struct.device**		; <%struct.device**> [#uses=1]
26	%tmp68 = load %struct.device** %tmp67, align 8		; <%struct.device*> [#uses=0]
27	ret i32 undef
28
29return:		; preds = %bb25, %entry
30	ret i32 undef
31}
32