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1 files changed, 18 insertions, 0 deletions
diff --git a/test/Analysis/ValueTracking/dom-cond.ll b/test/Analysis/ValueTracking/dom-cond.ll
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+++ b/test/Analysis/ValueTracking/dom-cond.ll
@@ -0,0 +1,18 @@
+; RUN: opt < %s -instcombine -value-tracking-dom-conditions -S | FileCheck %s
+
+define i32 @dom_cond(i32 %a, i32 %b) {
+; CHECK-LABEL: @dom_cond(
+entry:
+ %v = add i32 %a, %b
+ %cond = icmp ule i32 %v, 7
+ br i1 %cond, label %then, label %exit
+
+then:
+ %v2 = add i32 %v, 8
+; CHECK: or i32 %v, 8
+ br label %exit
+
+exit:
+ %v3 = phi i32 [ %v, %entry ], [ %v2, %then ]
+ ret i32 %v3
+}