| ; RUN: llc < %s |
| |
| ;; Date: May 28, 2003. |
| ;; From: test/Programs/SingleSource/richards_benchmark.c |
| ;; Function: struct task *handlerfn(struct packet *pkt) |
| ;; |
| ;; Error: PreSelection puts the arguments of the Phi just before |
| ;; the Phi instead of in predecessor blocks. This later |
| ;; causes llc to produces an invalid register <NULL VALUE> |
| ;; for the phi arguments. |
| |
| %struct..packet = type { ptr, i32, i32, i32, [4 x i8] } |
| %struct..task = type { ptr, i32, i32, ptr, i32, ptr, i32, i32 } |
| @v1 = external global i32 ; <ptr> [#uses=1] |
| @v2 = external global i32 ; <ptr> [#uses=1] |
| |
| define ptr @handlerfn(ptr %pkt.2) { |
| entry: |
| %tmp.1 = icmp ne ptr %pkt.2, null ; <i1> [#uses=1] |
| br i1 %tmp.1, label %cond_false, label %cond_continue |
| |
| cond_false: ; preds = %entry |
| br label %cond_continue |
| |
| cond_continue: ; preds = %cond_false, %entry |
| %mem_tmp.0 = phi ptr [ @v2, %cond_false ], [ @v1, %entry ] ; <ptr> [#uses=1] |
| call void @append( ptr %pkt.2, ptr %mem_tmp.0 ) |
| ret ptr null |
| } |
| |
| declare void @append(ptr, ptr) |
| |