1; RUN: opt -loops -newgvn -S < %s | FileCheck %s 2 3; This used to fail with ASAN enabled and if for some reason LoopInfo remained 4; available during GVN. In this case BasicAA will use LI but 5; MergeBlockIntoPredecessor in GVN failed to update LI. 6 7target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8 9%struct.wibble.1028 = type { i32, i32, %struct.barney.881 } 10%struct.barney.881 = type { %struct.zot.882 } 11%struct.zot.882 = type { [64 x i8] } 12 13; Function Attrs: argmemonly 14declare void @snork.1(i8*) local_unnamed_addr #0 15 16define hidden zeroext i1 @eggs(%struct.wibble.1028* %arg, i1 %arg2) unnamed_addr align 2 { 17bb: 18 br i1 %arg2, label %bb14, label %bb3 19 20bb3: ; preds = %bb 21 %tmp = getelementptr inbounds %struct.wibble.1028, %struct.wibble.1028* %arg, i64 0, i32 2, i32 0, i32 0, i64 0 22 %tmp5 = bitcast i8* %tmp to %struct.wibble.1028** 23 br label %bb6 24 25bb6: ; preds = %bb12, %bb3 26 br label %bb7 27 28bb7: ; preds = %bb6 29 br i1 undef, label %bb11, label %bb8 30 31bb8: ; preds = %bb7 32 %tmp9 = load %struct.wibble.1028*, %struct.wibble.1028** %tmp5, align 8 33; CHECK: %tmp9 = load %struct.wibble.1028*, %struct.wibble.1028** %tmp5, align 8 34 %tmp10 = bitcast %struct.wibble.1028* %tmp9 to i8* 35 br label %bb12 36 37bb11: ; preds = %bb7 38 br label %bb12 39 40bb12: ; preds = %bb11, %bb8 41 %tmp13 = phi i8* [ %tmp, %bb11 ], [ %tmp10, %bb8 ] 42 call void @snork.1(i8* %tmp13) #1 43 br label %bb6 44 45bb14: ; preds = %bb 46 ret i1 false 47} 48 49attributes #0 = { argmemonly } 50attributes #1 = { nounwind } 51