| ; When constant propogating terminator instructions, the basic block iterator |
| ; was not updated to refer to the final position of the new terminator. This |
| ; can be bad, f.e. because constproping a terminator can lead to the |
| ; destruction of PHI nodes, which invalidates the iterator! |
| ; |
| ; Fixed by adding new arguments to ConstantFoldTerminator |
| ; |
| ; RUN: llvm-as < %s | opt -constprop |
| |
| implementation |
| |
| void "build_tree"(int %ml) |
| begin |
| br label %bb2 |
| |
| bb2: |
| %reg137 = phi int [ %reg140, %bb2 ], [ 12, %0 ] ; <int> [#uses=2] |
| %reg138 = phi uint [ %reg139, %bb2 ], [ 0, %0 ] ; <uint> [#uses=3] |
| %reg139 = add uint %reg138, 1 ; <uint> [#uses=1] |
| %reg140 = add int %reg137, -1 ; <int> [#uses=1] |
| br bool false, label %bb2, label %bb3 |
| |
| bb3: |
| ret void |
| end |
