+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-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-freebsd10.0"
+; RUN: llc < %s -march=ppc64 | FileCheck %s
+
+define void @test1(i32 %c) nounwind {
+entry:
+ br label %for.body
+
+for.body: ; preds = %for.body, %entry
+ %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+ call void asm sideeffect "", "~{r5}"() nounwind
+ %inc = add nsw i32 %i.01, 1
+ %exitcond = icmp eq i32 %inc, 2048
+ br i1 %exitcond, label %for.end, label %for.body
+
+for.end: ; preds = %for.body
+ ret void
+; CHECK: @test1
+; CHECK: mtctr
+}
+
+define void @test2(i32 %c) nounwind {
+entry:
+ br label %for.body
+
+for.body: ; preds = %for.body, %entry
+ %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+ call void asm sideeffect "", "~{ctr}"() nounwind
+ %inc = add nsw i32 %i.01, 1
+ %exitcond = icmp eq i32 %inc, 2048
+ br i1 %exitcond, label %for.end, label %for.body
+
+for.end: ; preds = %for.body
+ ret void
+; CHECK: @test2
+; CHECK-NOT: mtctr
+}
+