1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/pr25576.ll b/test/Transforms/IndVarSimplify/pr25576.ll
new file mode 100644
index 000000000000..c9ebc479535b
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/pr25576.ll
@@ -0,0 +1,31 @@
+; RUN: opt -S -indvars < %s | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @fn1() {
+; CHECK-LABEL: @fn1(
+entry:
+  br label %for.cond.loopexit
+
+for.cond.loopexit:                                ; preds = %for.inc7, %for.cond.loopexit, %entry
+  %c.1.lcssa = phi i32 [ %inc8, %for.inc7 ], [ 0, %for.cond.loopexit ], [ 0, %entry ]
+  br i1 undef, label %for.cond.loopexit, label %for.cond4.preheader
+
+for.cond4.preheader:                              ; preds = %for.inc7, %for.cond.loopexit
+  %c.17 = phi i32 [ %inc8, %for.inc7 ], [ 0, %for.cond.loopexit ]
+  br label %for.body6
+
+for.body6:                                        ; preds = %for.body6, %for.cond4.preheader
+  %inc14 = phi i32 [ 0, %for.cond4.preheader ], [ %inc, %for.body6 ]
+  %idxprom = zext i32 %inc14 to i64
+  %inc = add i32 %inc14, 1
+  %cmp5 = icmp ult i32 %inc, 2
+  br i1 %cmp5, label %for.body6, label %for.inc7
+
+for.inc7:                                         ; preds = %for.body6
+  %inc.lcssa = phi i32 [ %inc, %for.body6 ]
+  %inc8 = add i32 %c.17, 1
+  %cmp = icmp ult i32 %inc8, %inc.lcssa
+  br i1 %cmp, label %for.cond4.preheader, label %for.cond.loopexit
+}