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-rw-r--r--llvm/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll22
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll b/llvm/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll
new file mode 100644
index 00000000000..7f16400d44e
--- /dev/null
+++ b/llvm/test/Transforms/LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-upgrade < %s | llvm-as | opt -scalarrepl -loopsimplify -licm -disable-output
+
+implementation ; Functions:
+
+void %inflate() {
+entry:
+ br label %loopentry.0.outer1111
+
+loopentry.0.outer1111: ; preds = %entry, %loopentry.0.outer1111, %label.11, %then.41
+ %left.0.ph1107 = phi uint [ %tmp.1172, %then.41 ], [ 0, %entry ], [ %tmp.1172, %label.11 ], [ %left.0.ph1107, %loopentry.0.outer1111 ] ; <uint> [#uses=2]
+ %tmp.1172 = sub uint %left.0.ph1107, 0 ; <uint> [#uses=2]
+ switch uint 0, label %label.11 [
+ uint 23, label %loopentry.0.outer1111
+ uint 13, label %then.41
+ ]
+
+label.11: ; preds = %loopentry.0.outer1111
+ br label %loopentry.0.outer1111
+
+then.41: ; preds = %loopentry.0.outer1111
+ br label %loopentry.0.outer1111
+}
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