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-rw-r--r--llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll29
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll
new file mode 100644
index 00000000000..930819e77d3
--- /dev/null
+++ b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll
@@ -0,0 +1,29 @@
+; RUN: opt < %s -indvars -loop-deletion -simplifycfg | opt -analyze -loops | FileCheck %s
+; PR1179
+
+; CHECK-NOT: Loop Containing
+
+define i32 @ltst(i32 %x) {
+entry:
+ icmp sgt i32 %x, 0 ; <i1>:0 [#uses=1]
+ br i1 %0, label %bb.preheader, label %bb8
+
+bb.preheader: ; preds = %entry
+ br label %bb
+
+bb: ; preds = %bb, %bb.preheader
+ %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1]
+ %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1]
+ %tmp4 = add i32 %i.01.0, 1 ; <i32> [#uses=2]
+ %tmp2 = add i32 %j.03.0, 1 ; <i32> [#uses=2]
+ icmp slt i32 %tmp4, %x ; <i1>:1 [#uses=1]
+ br i1 %1, label %bb, label %bb8.loopexit
+
+bb8.loopexit: ; preds = %bb
+ br label %bb8
+
+bb8: ; preds = %bb8.loopexit, %entry
+ %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1]
+ ret i32 %j.03.1
+}
+
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