1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/ctrloop-asm.ll b/llvm/test/CodeGen/PowerPC/ctrloop-asm.ll
new file mode 100644
index 00000000000..28afbf2babc
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/ctrloop-asm.ll
@@ -0,0 +1,38 @@
+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
+}
+