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-rw-r--r--test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll b/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll
new file mode 100644
index 0000000000..b236edcf56
--- /dev/null
+++ b/test/Transforms/LoopUnswitch/2007-10-04-DomFrontier.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s | opt -licm -loop-unroll -disable-output
+
+@resonant = external global i32 ; <i32*> [#uses=2]
+
+define void @weightadj() {
+entry:
+ br label %bb
+
+bb: ; preds = %bb158, %entry
+ store i32 0, i32* @resonant, align 4
+ br i1 false, label %g.exit, label %bb158
+
+g.exit: ; preds = %bb68, %bb
+ br i1 false, label %bb68, label %cond_true
+
+cond_true: ; preds = %g.exit
+ store i32 1, i32* @resonant, align 4
+ br label %bb68
+
+bb68: ; preds = %cond_true, %g.exit
+ %tmp71 = icmp slt i32 0, 0 ; <i1> [#uses=1]
+ br i1 %tmp71, label %g.exit, label %bb158
+
+bb158: ; preds = %bb68, %bb
+ br i1 false, label %bb, label %return
+
+return: ; preds = %bb158
+ ret void
+}