From d4c914f062b18074b2fd4b5a2fe3b72490fa7f1e Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 25 Jun 2003 17:10:34 +0000
Subject: [PATCH] Add test for instcombine -1*X -> -X

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6905 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/InstCombine/mul.ll | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/test/Transforms/InstCombine/mul.ll b/test/Transforms/InstCombine/mul.ll
index 962f599892f..5144cc28d1c 100644
--- a/test/Transforms/InstCombine/mul.ll
+++ b/test/Transforms/InstCombine/mul.ll
@@ -33,8 +33,18 @@ int %test5(int %A) {
 	ret int %B
 }
 
-int %test6(ubyte %A) {
+ubyte %test6(ubyte %A) {
 	%B = mul ubyte %A, 8
 	%C = mul ubyte %B, 13
 	ret ubyte %C
 }
+
+int %test7(int %i) {
+        %tmp = mul int %i, -1   ; %tmp = sub 0, %i
+        ret int %tmp
+}
+
+ulong %test8(ulong %i) {
+	%j = mul ulong %i, 18446744073709551615 ; tmp = sub 0, %i
+	ret ulong %j
+}