1 files changed, 56 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/remove-endloop.ll b/llvm/test/CodeGen/Hexagon/remove-endloop.ll
new file mode 100644
index 00000000000..73e1ad02cd8
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/remove-endloop.ll
@@ -0,0 +1,56 @@
+; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
+
+define void @foo(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind optsize {
+entry:
+  %cmp = icmp sgt i32 %n, 100
+  br i1 %cmp, label %for.body.preheader, label %for.cond4.preheader
+
+; CHECK: endloop0
+; CHECK: endloop0
+; CHECK-NOT: endloop0
+
+for.body.preheader:
+  br label %for.body
+
+for.cond4.preheader:
+  %cmp113 = icmp sgt i32 %n, 0
+  br i1 %cmp113, label %for.body7.preheader, label %if.end
+
+for.body7.preheader:
+  br label %for.body7
+
+for.body:
+  %arrayidx.phi = phi i32* [ %arrayidx.inc, %for.body ], [ %B, %for.body.preheader ]
+  %arrayidx3.phi = phi i32* [ %arrayidx3.inc, %for.body ], [ %A, %for.body.preheader ]
+  %i.014 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
+  %0 = load i32, i32* %arrayidx.phi, align 4
+  %sub = add nsw i32 %0, -1
+  store i32 %sub, i32* %arrayidx3.phi, align 4
+  %inc = add nsw i32 %i.014, 1
+  %exitcond = icmp eq i32 %inc, %n
+  %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1
+  %arrayidx3.inc = getelementptr i32, i32* %arrayidx3.phi, i32 1
+  br i1 %exitcond, label %if.end.loopexit, label %for.body
+
+for.body7:
+  %arrayidx8.phi = phi i32* [ %arrayidx8.inc, %for.body7 ], [ %B, %for.body7.preheader ]
+  %arrayidx9.phi = phi i32* [ %arrayidx9.inc, %for.body7 ], [ %A, %for.body7.preheader ]
+  %i.117 = phi i32 [ %inc11, %for.body7 ], [ 0, %for.body7.preheader ]
+  %1 = load i32, i32* %arrayidx8.phi, align 4
+  %add = add nsw i32 %1, 1
+  store i32 %add, i32* %arrayidx9.phi, align 4
+  %inc11 = add nsw i32 %i.117, 1
+  %exitcond18 = icmp eq i32 %inc11, %n
+  %arrayidx8.inc = getelementptr i32, i32* %arrayidx8.phi, i32 1
+  %arrayidx9.inc = getelementptr i32, i32* %arrayidx9.phi, i32 1
+  br i1 %exitcond18, label %if.end.loopexit21, label %for.body7
+
+if.end.loopexit:
+  br label %if.end
+
+if.end.loopexit21:
+  br label %if.end
+
+if.end:
+  ret void
+}