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-rw-r--r--test/Transforms/IndVarSimplify/pr25576.ll31
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
+}