; RUN: opt -loops -gvn -S < %s | FileCheck %s ; This used to fail with ASAN enabled and if for some reason LoopInfo remained ; available during GVN. In this case BasicAA will use LI but ; MergeBlockIntoPredecessor in GVN failed to update LI. target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" %struct.wibble.1028 = type { i32, i32, %struct.barney.881 } %struct.barney.881 = type { %struct.zot.882 } %struct.zot.882 = type { [64 x i8] } ; Function Attrs: argmemonly declare void @snork.1(i8*) local_unnamed_addr #0 define hidden zeroext i1 @eggs(%struct.wibble.1028* %arg, i1 %arg2) unnamed_addr align 2 { bb: br i1 %arg2, label %bb14, label %bb3 bb3: ; preds = %bb %tmp = getelementptr inbounds %struct.wibble.1028, %struct.wibble.1028* %arg, i64 0, i32 2, i32 0, i32 0, i64 0 %tmp5 = bitcast i8* %tmp to %struct.wibble.1028** br label %bb6 bb6: ; preds = %bb12, %bb3 br label %bb7 bb7: ; preds = %bb6 br i1 undef, label %bb11, label %bb8 bb8: ; preds = %bb7 %tmp9 = load %struct.wibble.1028*, %struct.wibble.1028** %tmp5, align 8 ; CHECK: %tmp9 = load %struct.wibble.1028*, %struct.wibble.1028** %tmp5, align 8 %tmp10 = bitcast %struct.wibble.1028* %tmp9 to i8* br label %bb12 bb11: ; preds = %bb7 br label %bb12 bb12: ; preds = %bb11, %bb8 %tmp13 = phi i8* [ %tmp, %bb11 ], [ %tmp10, %bb8 ] call void @snork.1(i8* %tmp13) #1 br label %bb6 bb14: ; preds = %bb ret i1 false } attributes #0 = { argmemonly } attributes #1 = { nounwind }