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-rw-r--r--llvm/test/Regression/Transforms/InstCombine/2002-12-05-MissedConstProp.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Regression/Transforms/InstCombine/2002-12-05-MissedConstProp.ll b/llvm/test/Regression/Transforms/InstCombine/2002-12-05-MissedConstProp.ll
new file mode 100644
index 00000000000..c8e2aca71b0
--- /dev/null
+++ b/llvm/test/Regression/Transforms/InstCombine/2002-12-05-MissedConstProp.ll
@@ -0,0 +1,13 @@
+; RUN: if as < %s | opt -instcombine | dis | grep add
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int %test(int %A) {
+ %A.neg = sub int 0, %A
+ %.neg = sub int 0, 1
+ %X = add int %.neg, 1
+ %Y.neg.ra = add int %A, %X
+ %r = add int %A.neg, %Y.neg.ra
+ ret int %r
+}
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