| ; RUN: opt < %s -basicaa -gvn -S | FileCheck %s | |
| ; CHECK-NOT: load | |
| ; CHECK-NOT: phi | |
| define i8* @cat(i8* %s1, ...) nounwind { | |
| entry: | |
| br i1 undef, label %bb, label %bb3 | |
| bb: ; preds = %entry | |
| unreachable | |
| bb3: ; preds = %entry | |
| store i8* undef, i8** undef, align 4 | |
| br i1 undef, label %bb5, label %bb6 | |
| bb5: ; preds = %bb3 | |
| unreachable | |
| bb6: ; preds = %bb3 | |
| br label %bb12 | |
| bb8: ; preds = %bb12 | |
| br i1 undef, label %bb9, label %bb10 | |
| bb9: ; preds = %bb8 | |
| %0 = load i8** undef, align 4 ; <i8*> [#uses=0] | |
| %1 = load i8** undef, align 4 ; <i8*> [#uses=0] | |
| br label %bb11 | |
| bb10: ; preds = %bb8 | |
| br label %bb11 | |
| bb11: ; preds = %bb10, %bb9 | |
| br label %bb12 | |
| bb12: ; preds = %bb11, %bb6 | |
| br i1 undef, label %bb8, label %bb13 | |
| bb13: ; preds = %bb12 | |
| ret i8* undef | |
| } |