| ; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep select |
| |
| ;; The PHI node in this example should not be turned into a select, as we are |
| ;; not able to ifcvt the entire block. As such, converting to a select just |
| ;; introduces inefficiency without saving copies. |
| |
| int %bar(bool %C) { |
| entry: |
| br bool %C, label %then, label %endif |
| |
| then: |
| %tmp.3 = call int %qux() |
| br label %endif |
| |
| endif: |
| %R = phi int [123, %entry], [12312, %then] |
| ;; stuff to disable tail duplication |
| call int %qux() |
| call int %qux() |
| call int %qux() |
| call int %qux() |
| call int %qux() |
| call int %qux() |
| call int %qux() |
| ret int %R |
| } |
| |
| declare int %qux() |
| |
