1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/phi-elim.ll b/llvm/test/CodeGen/Hexagon/phi-elim.ll
new file mode 100644
index 00000000000..bb80cf4a264
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/phi-elim.ll
@@ -0,0 +1,25 @@
+; RUN: llc -march=hexagon < %s
+; REQUIRES: asserts
+
+; Check that the verifier doesn't fail due to incorrect
+; ordering of registers caused by PHI elimination.
+
+; Function Attrs: readnone
+define i32 @f0(i32 %a0, i32 %a1, i32 %a2) #0 {
+b0:
+  br label %b1
+
+b1:                                               ; preds = %b1, %b0
+  %v0 = phi i32 [ %a1, %b0 ], [ %v2, %b1 ]
+  %v1 = phi i32 [ 0, %b0 ], [ %v4, %b1 ]
+  %v2 = phi i32 [ %a0, %b0 ], [ %v0, %b1 ]
+  %v3 = icmp slt i32 %v1, %a2
+  %v4 = add nsw i32 %v1, 1
+  br i1 %v3, label %b1, label %b2
+
+b2:                                               ; preds = %b1
+  %v5 = add nsw i32 %v2, %v0
+  ret i32 %v5
+}
+
+attributes #0 = { readnone }