1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/pr23751.ll b/test/Transforms/InstCombine/pr23751.ll
new file mode 100644
index 000000000000..d7840be2f837
--- /dev/null
+++ b/test/Transforms/InstCombine/pr23751.ll
@@ -0,0 +1,13 @@
+; RUN: opt -instcombine -S < %s | FileCheck %s
+
+@d = common global i32 0, align 4
+
+define i1 @f(i8 zeroext %p) #1 {
+; CHECK-NOT: ret i1 false
+  %1 = zext i8 %p to i32
+  %2 = load i32, i32* @d, align 4
+  %3 = or i32 %2, -2
+  %4 = add nsw i32 %3, %1
+  %5 = icmp ugt i32 %1, %4
+  ret i1 %5
+}