| ; RUN: opt < %s -S -loop-unroll | FileCheck %s |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define x86_mmx @f() #0 { |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %phi = phi i32 [ 1, %entry ], [ %add, %for.body ] |
| %add = add i32 %phi, 1 |
| %cmp = icmp eq i32 %phi, 0 |
| br i1 %cmp, label %exit, label %for.body |
| |
| exit: ; preds = %for.body |
| %ret = phi x86_mmx [ undef, %for.body ] |
| ; CHECK: %[[ret_unr:.*]] = phi x86_mmx [ undef, |
| ; CHECK: %[[ret_ph:.*]] = phi x86_mmx [ undef, |
| ; CHECK: %[[ret:.*]] = phi x86_mmx [ %[[ret_unr]], {{.*}} ], [ %[[ret_ph]] |
| ; CHECK: ret x86_mmx %[[ret]] |
| ret x86_mmx %ret |
| } |
| |
| attributes #0 = { "target-cpu"="x86-64" } |
