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-rw-r--r--test/Transforms/InstSimplify/reassociate.ll9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/reassociate.ll b/test/Transforms/InstSimplify/reassociate.ll
index 3c8169e..e659e6f 100644
--- a/test/Transforms/InstSimplify/reassociate.ll
+++ b/test/Transforms/InstSimplify/reassociate.ll
@@ -184,3 +184,12 @@ define i32 @udiv5(i32 %x, i32 %y) {
; CHECK: ret i32 %x
}
+define i16 @trunc1(i32 %x) {
+; CHECK: @trunc1
+ %y = add i32 %x, 1
+ %tx = trunc i32 %x to i16
+ %ty = trunc i32 %y to i16
+ %d = sub i16 %ty, %tx
+ ret i16 %d
+; CHECK: ret i16 1
+}
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