; RUN: opt < %s -basicaa -gvn -disable-output ; PR1774 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, i64, [0 x i64] } @uhci_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]* @uhci_pci_ids ; <[1 x %struct.pci_device_id]*> [#uses=0] define i32 @uhci_suspend(%struct.usb_hcd* %hcd) { entry: %tmp17 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 2, i64 1 ; <i64*> [#uses=1] %tmp1718 = bitcast i64* %tmp17 to i32* ; <i32*> [#uses=1] %tmp19 = load i32* %tmp1718, align 4 ; <i32> [#uses=0] br i1 false, label %cond_true34, label %done_okay cond_true34: ; preds = %entry %tmp631 = getelementptr %struct.usb_hcd* %hcd, i32 0, i32 2, i64 2305843009213693950 ; <i64*> [#uses=1] %tmp70 = bitcast i64* %tmp631 to %struct.device** %tmp71 = load %struct.device** %tmp70, align 8 ret i32 undef done_okay: ; preds = %entry ret i32 undef }