diff --git a/test/Regression/CodeGen/PowerPC/2006-10-13-Miscompile.ll b/test/Regression/CodeGen/PowerPC/2006-10-13-Miscompile.ll
new file mode 100644
index 00000000000..d19245945f5
--- /dev/null
+++ b/test/Regression/CodeGen/PowerPC/2006-10-13-Miscompile.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=ppc32 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep IMPLICIT_DEF
+
+void %foo(long %X) {
+entry:
+        %tmp1 = and long %X, 3          ; <long> [#uses=1]
+        %tmp = setgt long %tmp1, 2              ; <bool> [#uses=1]
+        br bool %tmp, label %UnifiedReturnBlock, label %cond_true
+
+cond_true:              ; preds = %entry
+        %tmp = tail call int (...)* %bar( )             ; <int> [#uses=0]
+        ret void
+
+UnifiedReturnBlock:             ; preds = %entry
+        ret void
+}
+
+declare int %bar(...)
+