1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast-sext-zext.ll b/test/Transforms/InstCombine/cast-sext-zext.ll
new file mode 100644
index 000000000000..1acd7582100f
--- /dev/null
+++ b/test/Transforms/InstCombine/cast-sext-zext.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep sext
+; XFAIL: *
+
+define zeroext i16 @t(i8 zeroext %on_off, i16* nocapture %puls) nounwind readonly {
+entry:
+	%0 = zext i8 %on_off to i32
+	%1 = add i32 %0, -1
+	%2 = sext i32 %1 to i64
+	%3 = getelementptr i16* %puls, i64 %2
+	%4 = load i16* %3, align 2
+	ret i16 %4
+}