| ; RUN: llvm-as < %s | opt -cee |
| ; |
| ; The 'cee' pass is breaking SSA form when it blindly forwards the branch from |
| ; Eq to branch to "Forwarded" instead. |
| |
| implementation |
| |
| int %test(int %A, int %B, bool %c0) { |
| Start: |
| %c1 = seteq int %A, %B |
| br bool %c1, label %Eq, label %Loop |
| |
| Eq: ; In this block we know that A == B |
| br label %Loop ; This should be modified to branch to "Forwarded". |
| |
| Loop: ;; Merge point, nothing is known here... |
| %Z = phi int [%A, %Start], [%B, %Eq], [%Z, %Bottom] |
| %c2 = setgt int %A, %B |
| br bool %c2, label %Forwarded, label %Bottom |
| |
| Forwarded: |
| %Z2 = phi int [%Z, %Loop] |
| call int %test(int 0, int %Z2, bool true) |
| br label %Bottom |
| |
| Bottom: |
| br label %Loop |
| } |
