Testcase for PR3909.
llvm-svn: 69868
diff --git a/llvm/test/Analysis/ScalarEvolution/pr3909.ll b/llvm/test/Analysis/ScalarEvolution/pr3909.ll
new file mode 100644
index 0000000..80720c7
--- /dev/null
+++ b/llvm/test/Analysis/ScalarEvolution/pr3909.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | opt -indvars -disable-output
+; PR 3909
+
+
+ type { i32, %1* } ; type %0
+ type { i32, i8* } ; type %1
+
+define x86_stdcallcc i32 @_Dmain(%0 %unnamed) {
+entry:
+ br label %whilebody
+
+whilebody: ; preds = %endwhile5, %entry
+ %i.0 = phi i64 [ 0, %entry ], [ %tmp11, %endwhile5 ] ; <i64> [#uses=1]
+ %m.0 = phi i64 [ 0, %entry ], [ %tmp11, %endwhile5 ] ; <i64> [#uses=2]
+ %tmp2 = mul i64 %m.0, %m.0 ; <i64> [#uses=1]
+ br label %whilecond3
+
+whilecond3: ; preds = %whilebody4, %whilebody
+ %j.0 = phi i64 [ %tmp2, %whilebody ], [ %tmp9, %whilebody4 ] ; <i64> [#uses=2]
+ %tmp7 = icmp ne i64 %j.0, 0 ; <i1> [#uses=1]
+ br i1 %tmp7, label %whilebody4, label %endwhile5
+
+whilebody4: ; preds = %whilecond3
+ %tmp9 = add i64 %j.0, 1 ; <i64> [#uses=1]
+ br label %whilecond3
+
+endwhile5: ; preds = %whilecond3
+ %tmp11 = add i64 %i.0, 1 ; <i64> [#uses=2]
+ br label %whilebody
+}