| ; 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 } |
