| ; THis testcase caused an assertion failure because a PHI node did not have |
| ; entries for it's postdominator. But I think this can only happen when the |
| ; PHI node is dead, so we just avoid patching up dead PHI nodes. |
| |
| ; RUN: llvm-as < %s | opt -adce |
| |
| target endian = little |
| target pointersize = 32 |
| |
| implementation ; Functions: |
| |
| void %dead_test8() { |
| entry: ; No predecessors! |
| br label %loopentry |
| |
| loopentry: ; preds = %entry, %endif |
| %k.1 = phi int [ %k.0, %endif ], [ 0, %entry ] ; <int> [#uses=1] |
| br bool false, label %no_exit, label %return |
| |
| no_exit: ; preds = %loopentry |
| br bool false, label %then, label %else |
| |
| then: ; preds = %no_exit |
| br label %endif |
| |
| else: ; preds = %no_exit |
| %dec = add int %k.1, -1 ; <int> [#uses=1] |
| br label %endif |
| |
| endif: ; preds = %else, %then |
| %k.0 = phi int [ %dec, %else ], [ 0, %then ] ; <int> [#uses=1] |
| store int 2, int* null |
| br label %loopentry |
| |
| return: ; preds = %loopentry |
| ret void |
| } |
