1 files changed, 57 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopStrengthReduce/2005-08-15-AddRecIV.ll b/llvm/test/Transforms/LoopStrengthReduce/2005-08-15-AddRecIV.ll
new file mode 100644
index 00000000000..7ee1e63ced0
--- /dev/null
+++ b/llvm/test/Transforms/LoopStrengthReduce/2005-08-15-AddRecIV.ll
@@ -0,0 +1,57 @@
+; RUN: opt < %s -loop-reduce -disable-output
+
+define void @try_swap() {
+entry:
+	br i1 false, label %cond_continue.0.i, label %cond_false.0.i
+cond_false.0.i:		; preds = %entry
+	ret void
+cond_continue.0.i:		; preds = %entry
+	br i1 false, label %cond_continue.1.i, label %cond_false.1.i
+cond_false.1.i:		; preds = %cond_continue.0.i
+	ret void
+cond_continue.1.i:		; preds = %cond_continue.0.i
+	br i1 false, label %endif.3.i, label %else.0.i
+endif.3.i:		; preds = %cond_continue.1.i
+	br i1 false, label %my_irand.exit82, label %endif.0.i62
+else.0.i:		; preds = %cond_continue.1.i
+	ret void
+endif.0.i62:		; preds = %endif.3.i
+	ret void
+my_irand.exit82:		; preds = %endif.3.i
+	br i1 false, label %else.2, label %then.4
+then.4:		; preds = %my_irand.exit82
+	ret void
+else.2:		; preds = %my_irand.exit82
+	br i1 false, label %find_affected_nets.exit, label %loopentry.1.i107.outer.preheader
+loopentry.1.i107.outer.preheader:		; preds = %else.2
+	ret void
+find_affected_nets.exit:		; preds = %else.2
+	br i1 false, label %save_region_occ.exit, label %loopentry.1
+save_region_occ.exit:		; preds = %find_affected_nets.exit
+	br i1 false, label %no_exit.1.preheader, label %loopexit.1
+loopentry.1:		; preds = %find_affected_nets.exit
+	ret void
+no_exit.1.preheader:		; preds = %save_region_occ.exit
+	ret void
+loopexit.1:		; preds = %save_region_occ.exit
+	br i1 false, label %then.10, label %loopentry.3
+then.10:		; preds = %loopexit.1
+	ret void
+loopentry.3:		; preds = %endif.16, %loopexit.1
+	%indvar342 = phi i32 [ %indvar.next343, %endif.16 ], [ 0, %loopexit.1 ]		; <i32> [#uses=2]
+	br i1 false, label %loopexit.3, label %endif.16
+endif.16:		; preds = %loopentry.3
+	%indvar.next343 = add i32 %indvar342, 1		; <i32> [#uses=1]
+	br label %loopentry.3
+loopexit.3:		; preds = %loopentry.3
+	br label %loopentry.4
+loopentry.4:		; preds = %loopentry.4, %loopexit.3
+	%indvar340 = phi i32 [ 0, %loopexit.3 ], [ %indvar.next341, %loopentry.4 ]		; <i32> [#uses=2]
+	%tmp. = add i32 %indvar340, %indvar342		; <i32> [#uses=1]
+	%tmp.526 = load i32*, i32** null		; <i32*> [#uses=1]
+	%gep.upgrd.1 = zext i32 %tmp. to i64		; <i64> [#uses=1]
+	%tmp.528 = getelementptr i32, i32* %tmp.526, i64 %gep.upgrd.1		; <i32*> [#uses=1]
+	store i32 0, i32* %tmp.528
+	%indvar.next341 = add i32 %indvar340, 1		; <i32> [#uses=1]
+	br label %loopentry.4
+}