1target 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-v128:128:128-n32:64"
2target triple = "powerpc64-unknown-freebsd10.0"
3; RUN: llc < %s -march=ppc64 | FileCheck %s
4
5define void @test1(i32 %c) nounwind {
6entry:
7  br label %for.body
8
9for.body:                                         ; preds = %for.body, %entry
10  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
11  call void asm sideeffect "", "~{r5}"() nounwind
12  %inc = add nsw i32 %i.01, 1
13  %exitcond = icmp eq i32 %inc, 2048
14  br i1 %exitcond, label %for.end, label %for.body
15
16for.end:                                          ; preds = %for.body
17  ret void
18; CHECK: @test1
19; CHECK: mtctr
20}
21
22define void @test2(i32 %c) nounwind {
23entry:
24  br label %for.body
25
26for.body:                                         ; preds = %for.body, %entry
27  %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
28  call void asm sideeffect "", "~{ctr}"() nounwind
29  %inc = add nsw i32 %i.01, 1
30  %exitcond = icmp eq i32 %inc, 2048
31  br i1 %exitcond, label %for.end, label %for.body
32
33for.end:                                          ; preds = %for.body
34  ret void
35; CHECK: @test2
36; CHECK-NOT: mtctr
37}
38
39