| ; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-independent -S < %s | FileCheck %s -check-prefix=SCALAR |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| |
| define void @phi_nodes_outside() { |
| entry: |
| br label %for.i.1 |
| |
| for.i.1: |
| %i.1 = phi i32 [ %i.1.next, %for.i.1 ], [ 0, %entry ] |
| %i.1.next = add nsw i32 %i.1, 1 |
| br i1 false, label %for.i.1 , label %for.i.2.preheader |
| |
| for.i.2.preheader: |
| br label %for.i.2 |
| |
| for.i.2: |
| ; The value of %i.1.next is used outside of the scop in a PHI node. |
| %i.2 = phi i32 [ %i.2.next , %for.i.2 ], [ %i.1.next, %for.i.2.preheader ] |
| %i.2.next = add nsw i32 %i.2, 1 |
| fence seq_cst |
| br i1 false, label %for.i.2, label %cleanup |
| |
| cleanup: |
| ret void |
| } |
| |
| ; SCALAR-NOT: alloca |
| |
| ; SCALAR: for.i.2.preheader: |
| ; SCALAR-NOT: load |
| |
| ; SCALAR: for.i.2: |
| ; SCALAR: %i.2 = phi i32 [ %i.2.next, %for.i.2 ], [ %i.1.next, %for.i.2.preheader ] |